Morus alba L. · MORUS ALBA FRUIT EXTRACT · CAS 84929-35-1 · Shahtoot Arq
Shahtoot Arq (شہتوت عرق) — Pakistan's most potent and scientifically validated natural brightening active. Oxyresveratrol at IC50 ~1.2 µM is 32× more powerful than kojic acid against tyrosinase. EU-permitted, Halal, DRAP-compliant. The complete brightening science, formulation, and Pakistani skin care reference.
CAS 84929-35-1
Identifier
~1.2 µM IC50
Tyrosinase
EU Permitted
Reg. Status
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Quick Reference
At a Glance
INCI Name
MORUS ALBA FRUIT EXTRACT / MORUS ALBA ROOT EXTRACT · Shahtoot Arq (شہتوت عرق) · Shahtoot ka Sat
✓ Permitted — Not listed in Annex II (Prohibited) or Annex III (Restricted). Freely usable in EU cosmetics within good practice
DRAP Pakistan Status
✓ No restriction — freely usable in Pakistani cosmetic formulations. No notification required for standard cosmetic use
Best Skin Types (Pakistan)
Oily/acne-prone (PIH from acne); hyperpigmented (melasma, sun spots); Fitzpatrick IV–VI — all dominant skin types in Pakistan
Shelf Life
24 months sealed at ≤25°C, away from UV · Opened: use within 6 months · Label containers with opening date
Introduction
Shahtoot Arq — The Brightening Botanical
Mulberry Liquid Extract is the cosmetic industry's most scientifically credentialed natural tyrosinase inhibitor — a polyphenol-rich botanical active derived from the fruit, root bark, and leaf of Morus alba L. (White Mulberry, family Moraceae) that delivers measurable skin brightening, antioxidant protection, anti-inflammatory soothing, and gentle anti-ageing benefits. The extract is a complex polyphenolic matrix principally comprising oxyresveratrol, mulberroside A, rutin, quercetin, anthocyanins, and chlorogenic acid — suspended in an aqueous-glycol carrier and presented as a clear to pale-amber liquid ready for direct incorporation into formulations at 1–3%.
The scientific basis for mulberry extract's action is exceptionally robust. Oxyresveratrol, the principal stilbenoid in mulberry root extract, inhibits mushroom tyrosinase with an IC50 of approximately 1.2 µM — approximately 32 times more potent than kojic acid, the benchmark tyrosinase inhibitor used in brightening cosmetics. This extraordinary potency, combined with a triple-function profile (brightening + antioxidant + anti-inflammatory), mirrors the mechanism of pharmaceutical-grade depigmentation treatments while maintaining an outstanding safety profile entirely compatible with Halal cosmetic production. For Pakistani cosmetic formulators, mulberry extract addresses the single most commercially significant skin concern in the subcontinent: uneven pigmentation, hyperpigmentation from sun exposure, post-inflammatory dark spots following acne, and the aspiration for Goray Rang (گورے رنگ), Nikhar (نکھار), and Chamak (چمک). Pakistan's population predominantly exhibits Fitzpatrick Types IV–VI — characteristically rich in melanin, highly susceptible to post-inflammatory hyperpigmentation, and deeply responsive to brightening claims — making effective, safe, and Halal-certified tyrosinase inhibitors commercially critical.
The Morus alba tree (Shahtoot, شہتوت) is deeply embedded in Pakistani cultural life — a familiar fruit tree cultivated across Punjab, KPK, and AJK, historically used in traditional Unani medicine (Pust-e-Bikh Shahtoot) for skin brightening, complexion-toning, and anti-inflammatory applications. Modern mulberry liquid extract represents the scientific validation of this traditional wisdom: the same brightening properties described in centuries of Unani literature (Rung-o-Raunak, complexion radiance) are precisely the documented bioactivities of oxyresveratrol and mulberroside A identified in contemporary laboratory research.
Bio Shop™ Pakistan — Sourcing Note
Bio Shop™ Pakistan stocks cosmetic-grade Mulberry Liquid Extract — a standardised, ready-to-use aqueous-glycol suspension with minimum 0.5% total polyphenols by Folin-Ciocalteu method. Suitable for all cosmetic brightening, antioxidant, and anti-hyperpigmentation formulations. CoA available with every batch; Halal compatibility documentation available on request for Halal-certified product applications. Use at 1–3% in cool-down phase below 40°C. Visit bioshop.pk/products/mulberry-liquid-extract for current stock and pricing.
Molecular Identity
Chemical Identification
INCI Name (Fruit)MORUS ALBA FRUIT EXTRACT
INCI Name (Root)MORUS ALBA ROOT EXTRACT
Common NamesMulberry Extract · White Mulberry Extract · Shahtoot Arq (شہتوت عرق) · Shahtoot ka Sat
CAS Number84929-35-1 (Fruit) / 94167-05-2 (Root Bark)
Unani / PakistanShahtoot (شہتوت) — Classified in Unani as Bard-Yabis (cooling-drying); traditionally used for Rung-o-Raunak (complexion radiance)
Grade & Purity Profiles
Four Commercial Grades
Mulberry extract is commercially available in several grades serving distinct applications. Understanding grade differences is critical for Pakistani formulators — the domestic grey market frequently offers diluted or adulterated extracts that lack meaningful polyphenol content. Bio Shop™ Pakistan stocks cosmetic-grade liquid extract standardised to a minimum total polyphenols of 0.5% by Folin-Ciocalteu method, in an aqueous-glycol suspension ready for direct formulation use.
Professional Standard · Bio Shop™ Grade
Cosmetic Liquid Extract
Min. 0.5% total polyphenols · pH 4.0–6.5 · Aqueous-glycol · Ready-to-use 1–3%
Total Polyphenols
≥0.5%
As gallic acid equivalents (GAE) by Folin-Ciocalteu · CoA with every batch
"The primary formulation-ready form for all cosmetic brightening applications. Pale-amber liquid; mild botanical aroma. Direct addition to cool-down phase at 1–3%. HPLC-verified oxyresveratrol and mulberroside A content. Bio Shop™ Pakistan primary stock."
Higher potency; use at 0.1–0.3% in formulation after reconstitution in water
"Used by large-scale manufacturers for cost-in-use efficiency. Requires careful reconstitution in distilled water at defined ratios before addition. Oxyresveratrol content higher but bioavailability equivalent to standardised liquid extract at equivalent active dose."
Enables "organic", "natural", "COSMOS-certified" label claims on finished product
"Extracted from organically certified Morus alba with no synthetic solvents. Enables certified natural or organic cosmetic positioning. Premium price; limited supplier availability. For Pakistan domestic and standard Gulf export, conventional cosmetic grade is fully appropriate."
"Common adulterants: extreme dilution leaving negligible polyphenol content; substitution with generic date or pomegranate extract; synthetic amber colourant added to simulate natural appearance; formalin (formaldehyde) as cheap preservative — illegal and harmful. Always request CoA."
Dosage Science
Concentration Behaviour
Mulberry liquid extract follows a clear dose-response relationship for brightening efficacy: measurable tyrosinase inhibition begins at 1% and reaches clinical significance between 2–3% in finished formulations. Below 1%, the antioxidant and anti-inflammatory benefits are active but brightening effects are minimal. Above 5%, the inhibition becomes substrate-limited (no additional brightening benefit) while cost-in-use increases and the natural polyphenol colour may affect formulation aesthetics. For Pakistani consumers targeting post-inflammatory hyperpigmentation (PIH) from acne or sun-induced dark spots, 2–3% is the scientifically supported target — combined with niacinamide and alpha arbutin for multi-pathway efficacy.
0.1–0.5% in Finished ProductAntioxidant Background
Below meaningful brightening threshold; contributes antioxidant and mild anti-inflammatory function. Suitable for secondary active positioning in budget personal care, hair care, or complex multi-active formulas where brightening is a secondary claim
0.5–1.0% in Finished ProductDetectable Brightening Support
Detectable brightening support with clear antioxidant benefit; mild anti-inflammatory soothing. Suitable for body lotions, everyday moisturisers, hair conditioners, and budget brightening formulas targeting maintenance rather than correction
1.0–2.0% in Finished ProductClinically Meaningful Brightening
Clinically meaningful tyrosinase inhibition; visible brightening over 4–8 weeks of consistent twice-daily use. Ideal for face serums, toners, and brightening creams targeting everyday Nikhar (نکھار) — the primary range for Pakistani commercial brightening products
2.0–3.0% in Finished ProductStrong Anti-Hyperpigmentation
Strong anti-hyperpigmentation activity; effective against PIH from acne and sun-induced dark spots. Excellent antioxidant protection. The recommended range for premium brightening serums, targeted dark-spot treatments, and Eid/bridal brightening protocols targeting Pakistani women 20–45
3.0–5.0% in Finished ProductMaximum Cosmetic Brightening
Maximum cosmetic brightening; professional-grade anti-melasma and anti-PIH efficacy. Suitable for intensive treatment serums, spot concentrates, and bridal preparation protocols used twice daily for 6–12 weeks. Natural polyphenol colour imparts a warm amber tone to the formulation
Above 5.0% in Finished ProductDiminishing Returns — Not Recommended
No additional brightening benefit (inhibition is substrate-limited); increased cost-in-use; deeper natural amber colouration may affect aesthetics; formulation stability requires careful optimisation. The combination approach (mulberry 2.5% + arbutin 3% + niacinamide 5%) provides superior multi-pathway efficacy
Mechanism of Action
Functional Performance Profile
Primary Mechanism · Enzyme Inhibition
Tyrosinase Inhibition
Oxyresveratrol — mulberry root extract's principal stilbenoid — is the most potent naturally occurring tyrosinase inhibitor characterised in cosmetic science. Its resorcinol scaffold (1,3-dihydroxybenzene core) chelates the two copper ions at the enzyme's active site with a binding affinity (Ki = 3.2–4.2 × 10⁻⁷ M) approximately 32 times greater than kojic acid. The mechanism is mixed-type inhibition: oxyresveratrol simultaneously occupies the substrate binding site (competitive) and an allosteric site (non-competitive), blocking both the hydroxylation of L-tyrosine to L-DOPA and the subsequent oxidation to dopaquinone — the two rate-limiting steps in melanin production. Mulberroside A (the glycosylated form of oxyresveratrol) acts as a controlled-release reservoir: upon enzymatic deglycosylation in the stratum corneum, it releases the free oxyresveratrol aglycone, extending the duration of tyrosinase inhibition well beyond the initial application window. For Fitzpatrick IV–VI skin types dominant in Pakistan, this sustained inhibition is precisely what is needed to address chronic UV-stimulated melanogenesis and post-inflammatory pigmentation from acne.
Secondary Mechanism · Melanosome Pathway
Melanogenesis Cascade Disruption
Beyond direct tyrosinase inhibition, mulberry extract's polyphenolic complex disrupts the melanogenesis cascade at multiple additional points. Oxyresveratrol downregulates MITF (microphthalmia-associated transcription factor) — the master transcriptional regulator of melanocyte differentiation and melanogenic enzyme expression. Reduced MITF expression leads to lower transcription of tyrosinase-related protein 1 (TRP-1) and TRP-2, further decreasing the enzymatic capacity for melanin synthesis. The extract additionally inhibits melanosome transfer from melanocytes to surrounding keratinocytes — the step that determines visible pigmentation on the skin surface — through modulation of RAB27A, RAC1, and CDC42 signalling pathways. Anthocyanins from the fruit fraction contribute additional pigmentation control through anti-inflammatory cytokine suppression (IL-1β, TNF-α) that reduces the pro-melanogenic inflammatory signalling that perpetuates post-inflammatory hyperpigmentation (PIH) in acne-prone Pakistani skin. This multi-point disruption is why mulberry extract provides more complete depigmentation than single-mechanism inhibitors, and why it remains effective in persistent cases of sun-induced and hormonally-driven pigmentation.
Tertiary Mechanism · Radical Scavenging
Antioxidant Matrix
The polyphenolic complex in mulberry extract — principally rutin, quercetin, chlorogenic acid, and anthocyanins — constitutes a powerful antioxidant matrix operating through multiple radical-scavenging mechanisms. Rutin demonstrates DPPH radical scavenging with an IC50 of approximately 25 µg/mL in standard preparations. The flavonoid complex inhibits lipid peroxidation (protecting cell membrane integrity), scavenges singlet oxygen (protecting against UV-generated reactive oxygen species), and chelates transition metal ions that catalyse free radical cascades. This antioxidant activity serves a dual cosmetic benefit: direct anti-ageing protection (reducing oxidative damage to collagen, DNA, and lipids) and indirect brightening (by neutralising the oxidative stress that serves as a primary pro-melanogenic stimulus in UV-exposed South Asian skin). Rutin and chlorogenic acid additionally provide capillary-strengthening and collagen-protective functions, supporting the underlying dermal structure that deteriorates with chronic sun exposure and ageing. For Pakistani urban consumers in Karachi and Lahore facing intense UV radiation and pollution exposure, this antioxidant dimension represents a compelling secondary benefit alongside the primary brightening claim.
Supporting Mechanism · Barrier & Soothing
Anti-inflammatory Soothing
Mulberry extract's oxyresveratrol component upregulates barrier protein expression (claudin-1, filaggrin, involucrin) in UVB-stressed keratinocytes, directly supporting the skin barrier's structural integrity. This barrier-strengthening action is particularly relevant for Pakistani urban skin that is frequently compromised by pollution, humidity cycling (Lahore's extreme dry-heat summer versus Karachi's persistent coastal humidity), and common practices of over-cleansing and harsh scrubbing. The anti-inflammatory pathway operates through inhibition of pro-inflammatory cytokines (IL-6, IL-8, TNF-α) and cyclo-oxygenase enzymes — reducing the chronic low-grade inflammation that perpetuates post-acne PIH. This mechanism is clinically important in Pakistan, where acne is highly prevalent in the 15–30 age group and PIH from resolved acne lesions represents the most common cause of skin tone unevenness. By addressing both the inflammatory trigger of PIH (cytokine suppression) and the melanin synthesis consequence (tyrosinase inhibition), mulberry extract provides a coherent mechanism for the complete treatment cycle of acne-related hyperpigmentation — from active inflammation through to pigmentation clearance and barrier restoration.
Three production-ready formulas from the Bio Shop™ Pakistan reference document — exact weights, exact percentages, all totalling 100g. Formula 1 is a desi-inspired brightening gel serum targeting Eid/bridal brightening. Formula 2 is a daily O/W brightening face cream. Formula 3 is a scalp-brightening antioxidant shampoo using Shampoo Base. All ingredients available at bioshop.pk.
Shahtoot Ubtan Serum · شہتوت ابٹن سیرم
Desi-Inspired Brightening Gel Serum · 100g batch · Pakistani women 20–45 · Eid/bridal brightening protocol
Phase A — Water Phase (Heat to 70°C, cool to 40°C)
1. Heat Phase A (water, EDTA, glycerin, niacinamide) to 70°C; disperse HA powder and allow to hydrate fully. 2. Disperse Carbomer 940 separately in room-temperature water; allow 30 min hydration. 3. Cool Phase A to 40°C; combine with Carbomer dispersion. 4. Add Phase C actives below 40°C: mulberry extract first (critical — heat degrades polyphenols), then arbutin, SAP, rose water, aloe vera. 5. Add TEA dropwise while stirring until gel thickens — target pH 5.0–5.5. 6. Add phenoxyethanol; add citric acid if pH exceeds 5.5. 7. Rest 24 hours; verify pH, colour, and clarity. Fill into 30mL amber glass dropper bottles. Target retail: PKR 1,500–2,500 per 30mL.
Nikhar Brightening Cream · نکھار کریم
O/W Daily Brightening Face Cream · 100g batch · Urban Pakistani women 25–50 · Daily brightening + hydration
1. Heat Phase A and Phase B separately to 70°C. Add Phase A to Phase B under high-shear mixing for 5 minutes until uniform O/W emulsion forms. 2. Cool to 40°C under gentle stirring. Add Phase D actives in order: mulberry extract (below 40°C — critical), arbutin solution (pre-dissolved in warm water), allantoin, Germall Plus. 3. Adjust pH with 10% citric acid solution to 5.0–5.5. Rest 24 hours. Verify stability, pH, appearance. Fill into 50mL pump bottles. Target retail: PKR 900–1,500.
Shahtoot Chamak Shampoo · شہتوت چمک شیمپو
Scalp-Brightening Antioxidant Shampoo · Shampoo Base surfactant system · 100g batch · Oily scalp, UV-damaged hair · Pakistan summer market
1. Combine Phase A (Shampoo Base + Coco Betaine + Cocamide DEA) gently — avoid vigorous stirring to prevent excessive foaming. 2. Dissolve Phase B ingredients in distilled water separately; combine with Phase A slowly. 3. At room temperature, add Phase C actives one by one: mulberry extract, panthenol, rosemary EO, salt, Germall Plus. 4. Adjust pH with citric acid solution to 5.0–5.5. Use salt titration (0.5% increments) to achieve desired viscosity (5,000–12,000 cPs). 5. Rest 24 hours; verify pH, viscosity, clarity. Position as "Shahtoot + Rosemary Brightening Shampoo" — oily scalp + natural botanical story. Target retail: PKR 500–900 per 200mL.
Synergies
Classic Pairings
Mulberry liquid extract achieves its best clinical performance when combined with complementary brightening and protective actives operating through different mechanisms. The multi-pathway approach to depigmentation — tyrosinase inhibition + melanosome transfer inhibition + antioxidant protection + UV blocking — is the gold standard for resistant hyperpigmentation in South Asian skin. The following pairings are confirmed from the reference document as the most commercially effective and technically validated combinations for Pakistani formulation.
Competitive inhibition at substrate binding site only; mulberry extracts inhibit via copper chelation + multiple downstream steps — more complete cascade disruption
Use Level / EU Status
2–4% · EU Permitted · No restriction · Available: bioshop.pk/products/alpha-arbutin-powder
Use With Mulberry
Essential stacking partner: 2.5% mulberry + 3% arbutin = additive brightening through complementary binding sites; the gold-standard Shahtoot Serum combination
Pakistan Application
Cleaner, more defined safety profile; excellent alone for budget brightening serums; best combined with mulberry for maximum PIH efficacy
Verdict: Best companion ingredient, not a replacement. Together, mulberry (copper chelation) + arbutin (competitive inhibition) provide additive tyrosinase inhibition — significantly more effective than either alone for PIH and melasma in Fitzpatrick IV–VI skin.
0.5–1% · EU Permitted · Oil-phase stable; no pH sensitivity issues · Available: bioshop.pk/products/kojic-acid-powder
Use With Mulberry
Oil-phase complement in O/W emulsions: mulberry in water phase + kojic acid dipalmitate in oil phase = dual-phase brightening without pH conflict
Pakistan Application
Good for oil-in-water creams and lotions needing oil-phase brightening active; less documentation than kojic acid free form; less antioxidant function than mulberry
Verdict: Strategic complement in emulsion systems. Use mulberry extract in the water phase (2%) + kojic acid dipalmitate in the oil phase (0.5%) for a broad-coverage brightening cream that addresses both phases of the formulation.
Niacinamide (Vitamin B3)
B3 Vitamin · Melanosome Transfer Inhibitor · Multi-benefit Active
Mechanism vs. Mulberry
Entirely different brightening mechanism: inhibits melanosome transfer via PAR-2 pathway, not tyrosinase synthesis. Brightening effect addresses visible pigment delivery, not production
Use Level / EU Status
4–5% · EU Permitted · No restriction · Multi-benefit: brightening + barrier + pore-minimising + sebum control · Available: bioshop.pk/products/vitamic-b3-niacinamide
Use With Mulberry
The mechanism completor: mulberry blocks melanin production; niacinamide blocks its delivery to skin surface. Combined, they address both steps — superior depigmentation vs either alone
Pakistan Application
Perfect second active in every brightening formula targeting PIH from acne — the most common cause of uneven tone in Pakistan. Combine at niacinamide 5% + mulberry 2% in serum
Verdict: Must-stack brightening partner — always combine with mulberry extract. Niacinamide addresses melanosome transfer (step 2); mulberry addresses tyrosinase production (step 1). Together they cover the complete melanin pathway, achieving results neither can match alone.
Similar mechanism via glabridin flavanone tyrosinase inhibition; additional anti-inflammatory from glycyrrhizic acid. Less potent than oxyresveratrol; comparable multi-function profile
Use Level / EU Status
0.5–2% · EU Permitted · No restriction · Characteristic earthy/liquorice aroma may affect formulation scent profile · Available: bioshop.pk/products/licorice-extract-liquid
Use With Mulberry
Can be combined for synergistic natural brightening: mulberry 2% + licorice 1% in a "pure botanical brightening" serum with a compelling all-natural origin story for Halal positioning
Pakistan Application
Excellent for Unani-inspired product positioning (Mulethi / Mulaithi is deeply embedded in Pakistani traditional skin care culture — a powerful ingredient story for local consumers)
Verdict: Natural brightening companion. Mulberry outperforms licorice extract on potency data (oxyresveratrol vs. glabridin), but combining both creates a compelling "dual botanical brightening" product narrative. Mulberry for maximum efficacy; licorice for Unani-brand heritage storytelling.
Safety & Regulations
EU Regulation & Safety Overview
Educational summary of publicly available regulatory data as of 2024. Always consult the current EU Cosmetics Regulation (EC) No 1223/2009, FDA guidelines, the CosIng database, and the ingredient Safety Data Sheet before commercial formulation. Pakistan formulators should also review DRAP cosmetic notifications where applicable. This document does not constitute regulatory, safety, or medical advice.
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EU Cosmetics Regulation 1223/2009 — Freely Permitted
Under EU Regulation (EC) No 1223/2009, both MORUS ALBA FRUIT EXTRACT (CAS 84929-35-1) and MORUS ALBA ROOT EXTRACT (CAS 94167-05-2) are classified as permitted cosmetic ingredients — they do not appear in Annex II (Prohibited Substances), Annex III (Restricted Substances), Annex IV (Permitted Colorants), Annex V (Permitted Preservatives), or Annex VI (Permitted UV Filters). Mulberry extract can be used freely in cosmetic products sold in the EU at any technically appropriate concentration, subject to general product safety requirements. The CosIng database documents its functions as "Bleaching" and "Skin Conditioning" — confirming its established cosmetic identity. No quantitative restriction applies under current EU regulation. Pakistani manufacturers exporting to the EU should conduct a Cosmetic Product Safety Assessment (CPSA) under EU Regulation 655/2013 for finished products; the raw extract itself requires no separate safety assessment as an established ingredient.
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DRAP Pakistan & Halal — Fully Compliant
No restriction under the Drug Regulatory Authority Pakistan (DRAP) cosmetics guidelines. Pakistani formulators selling in the domestic market may use mulberry liquid extract freely at cosmetically appropriate concentrations. Halal status is unambiguous and uncontested: the extract is 100% plant-derived from Morus alba L. (family Moraceae), a fruit-bearing tree with no animal connection. Commercial cosmetic-grade mulberry extract uses aqueous-glycol extraction (water + propanediol or glycerol) — no ethanol, no fermentation-derived alcohol, no animal-derived processing aids at any stage. This Halal status is confirmed by major international certification bodies including JAKIM, IFANCA, HFA, and Pakistan Halal Authority. The Shahtoot tree (شہتوت) is deeply culturally familiar in Pakistan — its Halal status is both scientifically and culturally uncontested. Bio Shop™ Pakistan provides manufacturer Halal compatibility documentation upon request for professional accounts and Halal-certified product applications.
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Human Safety Profile — Well-Tolerated by South Asian Skin
Mulberry extract has been extensively safety-assessed in the context of both food and cosmetic use. At cosmetic use levels (1–3%), no dermal sensitisation, irritation, or cytotoxicity has been reported in standardised safety testing. Ocular and dermal irritation testing on Cortex Mori Radicis extract confirms its favourable safety profile. The extract is particularly well-tolerated by Fitzpatrick IV–VI skin types (dominant in Pakistan) — with no risk of paradoxical darkening (post-inflammatory hyperpigmentation from the active itself), which is a rare concern with more aggressive brightening actives at high concentrations in melanin-rich skin. No reproductive toxicity, endocrine disruption, or bioaccumulation concern has been identified at cosmetic use levels. FDA acknowledges it as a permitted cosmetic ingredient. Patch testing is recommended for very sensitive or reactive skin types before first use of any new product formulation.
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Hydroquinone-Free Advantage — Safe Alternative
Mulberry extract's commercial significance in the Asian brightening market is directly linked to the regulatory restriction and safety concerns associated with hydroquinone, which is prohibited in EU cosmetics (Annex II) and restricted or banned in numerous markets globally. Hydroquinone was banned from OTC cosmetics in Japan in 2001, creating the commercial imperative for effective natural alternatives that drove mulberry extract's development. In Pakistan, where mercury-based and unregulated hydroquinone-containing products still circulate in informal channels, mulberry extract represents the safe, legal, and Halal-certified alternative for Pakistani brands seeking to build credibility in the brightening category. This "clean brightening" positioning — effective tyrosinase inhibition without hydroquinone's safety risks, without EU restrictions, without allergen labelling requirements — is a powerful commercial differentiator for Pakistani products targeting domestic urban consumers and Gulf export channels.
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Environmental Considerations
Mulberry liquid extract is an aqueous-glycol plant extract with a generally favourable environmental profile. The polyphenolic constituents (oxyresveratrol, rutin, anthocyanins) undergo biological degradation under environmental conditions through standard polyphenol oxidation and microbial catabolism pathways. No specific aquatic toxicity concern is documented in the scientific literature at cosmetic use concentrations (1–3% in finished product, representing very low environmental loading at consumer rinse-off concentrations). As a botanical extract rather than a synthetic single-compound chemical, its environmental fate involves natural polyphenol oxidation pathways. Dispose of concentrated bulk material responsibly — dilute significantly before drain disposal. Amber glass packaging is recyclable; request recycled HDPE containers from suppliers where possible for sustainable sourcing.
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Formulation & Handling Precautions
The polyphenolic matrix in mulberry extract requires careful handling to preserve activity. Key precautions: never add above 40°C — heat accelerates polyphenol degradation. Use stainless steel or food-grade plastic mixing equipment only — copper, iron, and uncoated aluminium catalyse polyphenol oxidation, rapidly reducing active content. Always incorporate EDTA 2NA (0.05–0.1%) in the water phase before adding mulberry extract to chelate any metal ions from water or equipment. Maintain formulation pH at 5.0–5.5 for maximum stability — above pH 7.0, anthocyanins undergo structural change and overall polyphenol activity reduces significantly. UV-protective final packaging is mandatory. For aqueous formulations, a robust preservation system is required as the aqueous base supports microbial growth; sodium benzoate/potassium sorbate at pH 4.5–5.5 or phenoxyethanol/ethylhexylglycerin are recommended compatible preservative systems.
Handling & Storage
Storing in Pakistan's Climate
Temperature
Below 25°C ideal; acceptable up to 30°C short-term. Above 40°C accelerates polyphenol oxidative degradation, reducing tyrosinase inhibitory potency and causing colour darkening. Refrigeration (10–15°C) optimal for long-term storage
Container Type
Amber glass (preferred — maximum UV protection) or opaque HDPE (food/chemical grade). Plastic-lined caps for coastal storage. Never use metal containers — iron and copper ions catalyse polyphenol oxidation. Avoid PVC reactive plastics
Light Exposure
Primary degradation risk. UV radiation converts active trans-oxyresveratrol to less active cis-isomer and degrades anthocyanins. Inner room or dark cupboard mandatory. Even indirect sunlight on clear packaging causes measurable activity loss over weeks
Shelf Life (sealed)
24 months from manufacture date at ≤25°C. Once opened: use within 6 months with airtight resealing. Label all containers with opening date. Signs of degradation: significant darkening (amber to dark brown) or pH shift beyond original range
Phase of Addition
Always add in cool-down phase, below 40°C. For serum/gel systems: add after thickener neutralisation. For O/W creams: add after emulsification and cooling. For shampoos: add at room temperature after primary surfactant blend is prepared
Metal Chelation Protocol
Always add EDTA 2NA (0.05–0.1%) to the water phase BEFORE adding mulberry extract. Metal ions from tap water, stainless steel equipment, and co-ingredients catalyse rapid polyphenol oxidation. Using distilled water + EDTA is the single most effective stability measure
Lahore Summer (May–Aug)
Temperatures 38–45°C make refrigerated storage strongly recommended. Request early-morning delivery scheduling during summer months. Check colour and pH of incoming stock after any heat-exposed transit — significant darkening indicates heat damage. Never store in vehicles in summer
Karachi Coastal Climate
Persistent humidity (70–90% RH year-round) is the primary risk — moisture ingress through poorly sealed containers promotes microbial growth even in preserved extract. Use amber glass with plastic-lined airtight caps. Inspect container seals rigorously; replace any container showing moisture condensation on interior surfaces
⚠ Adulteration check: Genuine mulberry liquid extract has a natural pale-amber to light-brown colour from polyphenols and anthocyanins — it is NEVER water-clear. At 2%, it imparts a faint natural colour and mild botanical aroma in clear serum bases. Rapid colour check: mix 1% in distilled water — genuine material shows amber tint. Formalin smell (sharp, pungent chemical odour) indicates prohibited preservative — reject immediately. Always request CoA with polyphenol content data (minimum 0.5% by Folin-Ciocalteu method) and batch-specific pH and microbial test results from every supplier.
FAQs
Frequently Asked Questions
Is Mulberry Liquid Extract halal? What is its exact botanical and processing origin?+
Mulberry Liquid Extract is 100% Halal — a conclusion supported by both religious principle and the documented production process. The evidential chain: (1) The extract is 100% derived from Morus alba L. (White Mulberry, family Moraceae) — a fruit-bearing tree of the plant kingdom, with no connection to any animal species whatsoever. (2) Commercial cosmetic-grade mulberry extract uses aqueous-glycol extraction: water and a permitted carrier solvent (propanediol derived from fermentation of plant sugars, or glycerol from vegetable oil saponification) are used to dissolve polyphenolic compounds from the plant material at 40–70°C. No ethanol, no alcohol derived from fermentation, no animal-derived processing aids are used at any stage. (3) Filtration, concentration, standardisation, and preservation all use food-grade, plant-derived, or synthetic inorganic materials. (4) The cosmetic preservatives used (sodium benzoate, potassium sorbate, phenoxyethanol) are all synthetically produced with no animal origin. (5) Halal certification: major international Halal bodies including JAKIM (Malaysia), IFANCA (USA), HFA (UK), and Pakistan Halal Authority have confirmed that plant botanical extracts produced by aqueous-glycol extraction are Halal. Bio Shop™ Pakistan sources from manufacturers who can provide Halal compatibility documentation upon request for certified product applications. The Shahtoot tree (شہتوت) is a beloved food and medicine plant in Pakistan with an entirely uncontested Halal status.
How do I verify the quality and purity of mulberry extract when buying in Pakistan?+
Three practical quality verification methods work without laboratory equipment. First, the colour test: genuine mulberry liquid extract has a natural pale-amber to light-brown colour from its polyphenol and anthocyanin content. A water-clear extract at a very low price contains negligible active content — this is the most common adulteration in Pakistan's grey market. When you mix 2% in a clear aqueous serum, you should see a faint natural amber tint. Second, the smell test: pure mulberry extract has a mild, characteristic botanical-fruity aroma. A sharp chemical smell reminiscent of formaldehyde indicates illegal formalin preservation — reject any extract with this odour immediately. An overly sweet or generic fruit smell may indicate substitution with date or pomegranate extract. Third, always request and scrutinise the Certificate of Analysis (CoA): it must show total polyphenol content (minimum 0.5% by Folin-Ciocalteu method), pH range (4.0–6.5), microbial limits, and a specific batch number. A supplier unable to provide a CoA with polyphenol data is supplying unverified material. Legitimate suppliers like Bio Shop™ Pakistan provide CoA documentation with every delivery. For commercial applications, request HPLC verification data for oxyresveratrol or mulberroside A content — this is the gold standard for active content verification.
How long will it take to see results? What is a realistic brightening timeline for Pakistani skin?+
Realistic timeline expectations for brightening with mulberry extract require understanding the biology of skin turnover. The skin produces new keratinocytes at the basal layer continuously — these cells migrate upward to the skin surface over approximately 28–40 days in young adults (up to 60 days in mature skin). Tyrosinase inhibitors like mulberry extract reduce the amount of melanin deposited in newly formed keratinocytes from the moment treatment begins — but the visible effect only appears as these less-pigmented new cells replace the older, more pigmented cells on the surface. This means: the first measurable reduction in new pigment formation occurs within 1–2 weeks; the first visible lightening of tone is typically perceptible to the consumer over 4–6 weeks; a meaningful visible reduction in established dark spots or uneven tone is typically reported over 8–12 weeks of consistent twice-daily application at 2–3%. For persistent PIH (post-inflammatory hyperpigmentation from deep acne) or established melasma, maximum improvement may require 12–16 weeks, often supported by SPF50+ sun protection during the day to prevent simultaneous re-pigmentation. For the Pakistani Eid and bridal brightening market, where a compressed 4–8 week protocol is desired, the most effective approach is to stack mulberry extract (2.5%) + alpha arbutin (3%) + niacinamide (5%) — this multi-pathway approach significantly accelerates visible results compared to using mulberry extract alone.
What is the correct use level? Can I use more than 3% for faster brightening results?+
The recommended cosmetic use level is 1–3% in finished formulations, with up to 5% in intensive treatment serums and face masks. Within this range, higher concentrations provide greater tyrosinase inhibition — 3% will deliver faster visible results than 1%. However, increasing beyond 5% provides no additional brightening benefit — at high concentrations, the inhibition becomes substrate-limited (all accessible tyrosinase active sites are already inhibited; more inhibitor cannot further reduce the already-blocked enzyme activity). Above 5% you simply increase cost-in-use, risk greater amber colouration affecting the formulation's aesthetics, and challenge the preservation system with a higher organic load. Instead of pushing the mulberry extract concentration above 3%, the scientifically validated approach for faster results is to add complementary actives working through different mechanisms. The Eid/bridal protocol recommended in the source document: mulberry extract 2.5% + alpha arbutin 3% + niacinamide 5% — this combination addresses three different steps in the melanin pathway simultaneously and produces significantly better results than simply using mulberry at 5% alone. Always select the commercial cosmetic liquid extract grade (the standardised, ready-to-use form at 1–3%) rather than a powder extract requiring reconstitution — the liquid form has consistent, reliable potency and integrates into formulations without the reconstitution risk of powders.
How should I store mulberry liquid extract in Pakistan's climate?+
Storage in Pakistan requires active management of two distinct climate variables depending on your city. For Lahore and inland Pakistan (extreme summer heat up to 45°C in July–August; dry climate): refrigerated storage is strongly recommended through May–August. Never store in vehicles during summer months — the interior of a parked car in Lahore's summer can reach 60–70°C within minutes, causing severe polyphenol degradation. Always request early-morning delivery scheduling from suppliers during summer. After receiving any summer shipment, check the extract's colour and pH — significant darkening from original amber to dark brown, or a pH shift beyond the stated range, indicates heat-induced oxidative degradation and the batch should be rejected. For Karachi and coastal Pakistan (high humidity 70–90% RH year-round, moderate heat): humidity is the primary storage risk — moisture ingress through poorly sealed containers can promote microbial growth and accelerate hydrolysis even in preserved extract. Use amber glass bottles with airtight plastic-lined caps rather than metal caps, which corrode in coastal humidity. Seal containers immediately after every opening; do not store near open windows or outside air-conditioned areas. For both locations: store in sealed amber glass or opaque HDPE containers; keep below 25°C in an air-conditioned interior room; never expose to direct sunlight; minimise container headspace in partially used containers by transferring to smaller bottles; label all containers with the opening date and discard any opened container after 6 months.
Is mulberry extract suitable for export to the EU and Gulf markets? What regulatory documentation is needed?+
Mulberry liquid extract is an excellent choice for both EU and Gulf export products from Pakistan. For EU export: MORUS ALBA FRUIT EXTRACT and MORUS ALBA ROOT EXTRACT are not listed in any restricted Annex of EU Cosmetics Regulation 1223/2009 — they are freely permitted at any technically appropriate concentration. Unlike many other brightening actives (alpha arbutin requires careful documentation; kojic acid is restricted in some EU member states for leave-on products at levels above 1%), mulberry extract has no specific quantitative restriction under current EU regulation. For EU market products, you will need a Cosmetic Product Safety Assessment (CPSA) conducted by a qualified safety assessor under EU Regulation 655/2013 — this applies to the finished product, not the raw mulberry extract itself. INCI labelling must list "MORUS ALBA FRUIT EXTRACT" or "MORUS ALBA ROOT EXTRACT" as applicable. No allergen declaration is required for mulberry extract under current EU regulation. For Gulf (GCC) export: all GCC member states (Saudi Arabia, UAE, Qatar, Kuwait, Bahrain, Oman) require cosmetic product registration through their respective health ministries. The Halal certification of mulberry extract is a competitive advantage in GCC markets where Halal-certified cosmetics are increasingly demanded. Bio Shop™ Pakistan can provide CoA and Halal compatibility documentation to support both EU CPSA preparation and GCC product registration.
Which Pakistani skin concerns does mulberry extract address? Is it effective for acne PIH, sun spots, and melasma?+
Mulberry extract is scientifically effective for all three of the most commercially significant hyperpigmentation concerns in Pakistani skin. Post-inflammatory hyperpigmentation (PIH) from acne — the most prevalent cause of skin tone unevenness in Pakistan's 15–30 age group: oxyresveratrol in mulberry extract reduces melanin synthesis stimulated by the inflammatory response following an acne lesion, while the extract's anti-inflammatory activity (cytokine suppression) also reduces the ongoing inflammatory stimulus that perpetuates PIH after the acne itself resolves. At 2–3% applied consistently from the moment an acne lesion resolves, mulberry extract can measurably accelerate PIH clearance over 6–10 weeks — particularly when combined with niacinamide (melanosome transfer inhibition) and consistent SPF use. Sun-induced dark spots and uneven tone — the dominant concern in Pakistan where UV exposure is intense year-round in Karachi and extreme from April through September in Lahore: mulberry extract inhibits the UV-induced upregulation of tyrosinase and melanogenic transcription factors (MITF, TRP-1, TRP-2), reducing new pigment deposition when used daily alongside SPF50+. Existing dark spots clear gradually as less-pigmented new keratinocytes replace older pigmented cells over 4–12 weeks. Melasma (hormonally-driven pigmentation): mulberry extract provides meaningful efficacy for superficial epidermal melasma as a cosmetic active; it is more effective for UV-induced and PIH-type than for deep dermal melasma, which may require dermatological management in addition to cosmetic use. The Fitzpatrick IV–VI skin types dominant in Pakistan respond particularly well to tyrosinase inhibition — the inherent melanogenic capacity of melanin-rich skin makes oxyresveratrol's copper-chelation mechanism especially impactful.
What Urdu brand names work for mulberry brightening products? Which formats sell best in Pakistan?+
Recommended Urdu naming vocabulary for mulberry-featuring products draws on the cultural familiarity of Shahtoot and established Pakistani skin care aspirations. Powerful brand name concepts: Shahtoot Serum (شہتوت سیرم) — straightforward, connects the beloved fruit directly to modern skin care; Nikhar-e-Shahtoot (نکھار شہتوت) — "Shahtoot Radiance", combining the brightening aspiration with the botanical ingredient; Chamak-e-Subah (چمک صبح) — "Morning Glow", ideal for a daily brightening moisturiser; Goray Rang Arq (گورے رنگ عرق) — "Fair Complexion Essence", direct appeal to the primary consumer desire; Shahtoot Ubtan (شہتوت ابٹن) — connects to the traditional ubtan skin brightening ritual. For commercial positioning: in urban Lahore and Karachi (women 25–40), a 30mL dropper serum at PKR 1,500–2,500 is the aspirational premium format — Korean beauty-inspired serum routines are strongly embraced. In younger consumers (18–25) and price-sensitive segments, a 2% mulberry toner at PKR 400–700 for 200mL offers excellent value-per-use. For the wedding and bridal market (strongest demand March–May and September–November in Lahore), a 5% mulberry face mask used twice weekly over 4–6 weeks before a wedding is a compelling protocol product. In Karachi, year-round coastal sun exposure drives strong demand for a combined brightening + SPF product — mulberry 1% in an SPF50+ day cream creates a highly relevant dual-function product for Pakistan's most sun-exposed major city.
Everything on this page and substantially more — full molecular structure-activity relationship analysis of oxyresveratrol, mulberroside A, rutin, quercetin, and anthocyanins; complete skin layer interaction profile from stratum corneum to dermis; HPLC characterisation data and quality specification tables; detailed comparison of natural vs. isolated oxyresveratrol grades; complete Morus alba cultivation and sericulture cultural history; landmark cosmetic applications from Japanese post-hydroquinone ban through K-beauty to Halal-certified Gulf export; advanced formulation strategies for liposomal and nanoparticle encapsulation; comprehensive compatibility tables with 20+ cosmetic ingredients; INCI declaration examples for all three formula products; Pakistani market segmentation analysis with price positioning data for Lahore, Karachi, and Islamabad; detailed glossary of 18 key cosmetic science and cultural terms including Goray Rang, PIH, tyrosinase kinetics, Fitzpatrick scale, and Unani medicine context — all compiled in one complete professional reference document.
