Ingredient Glossary · Cosmetic Base
Lotion Base (Summer)
O/W Emulsion · Ready-to-Use Cosmetic Base · Multi-Component Blend
A professionally formulated, ready-to-use Oil-in-Water emulsion base engineered for Pakistan’s hot, humid climate. Known locally as لوشن بیس (Loshan Bais), it enables formulators to create finished skincare products with simple room-temperature stirring — no emulsification equipment required.
O/W
Emulsion
Emulsion
Type
pH
5.5–6.5
5.5–6.5
Skin-Compatible
EU
Permitted
Permitted
Reg. Status
Scroll
Quick Reference
At a Glance
Product Type
Pre-formulated O/W Emulsion Cosmetic Base
INCI Key Components
Aqua, Glycerin, Cetearyl Alcohol, Glyceryl Stearate, CCT, Dimethicone, Carbomer, Phenoxyethanol
Physical Form
White to off-white, opaque, pourable fluid lotion
Viscosity
3,000–8,000 cPs at 25°C (Brookfield LV)
Oil Phase
8–15% lightweight (CCT, IPM, Dimethicone)
pH Range
5.5–6.5 (skin-compatible, preservative-functional)
Preservation
Phenoxyethanol + Ethylhexylglycerin (broad-spectrum)
Halal Status
✓ Halal — no animal inputs; petrochemical & plant-derived only
Active Addition
5–15% actives/fragrance stirred at room temperature
Suited For
Body lotion, face moisturiser, after-sun, hand cream, baby lotion, leave-in conditioner
EU Cosmetics Reg
All components individually permitted under EC No 1223/2009
Density
0.98–1.02 g/cm³ at 25°C
Shelf Life
24 months sealed; 6–12 months after opening
Pakistan Name
لوشن بیس (Loshan Bais) · گرمیوں کی لوشن
Introduction
لوشن بیس — The Summer Foundation
Lotion Base (Summer) is a professionally stabilised Oil-in-Water emulsion that serves as the foundation for unlimited skincare customisation. Its water-dominant phase (65–75%) combined with a lean, lightweight oil phase (8–15%) using Caprylic/Capric Triglyceride and Dimethicone produces a fluid, fast-absorbing, non-greasy texture ideal for Pakistan’s hot climate. From April through October — and year-round in Karachi — ambient temperatures of 35–45°C demand this lighter formulation over heavier winter bases that feel uncomfortable in the heat.
For Pakistan’s rapidly growing DIY beauty market, this base eliminates the most technically demanding phase of lotion production: emulsification. No heating, no high-shear mixing, no advanced chemistry knowledge is required. A formulator simply stirs in actives, fragrances, botanical extracts, or colour at room temperature. A generation of indie beauty brands in Lahore, Karachi, and Islamabad now have professional-grade tools to create products competing with imported brands at a fraction of the cost.
Bio Shop™ Pakistan — Sourcing Note
Bio Shop™ stocks Cosmetic-Grade Lotion Base (Summer) sourced from established GMP manufacturers with full documentation. CoA (Certificate of Analysis) available upon request confirming pH, viscosity, microbial counts, and preservative efficacy. Available in 100g, 500g, and 1kg sizes at bioshop.pk/products/lotion-base-summer.
Product Identity
Formulation Profile
Product NameLotion Base (Summer) — Bio Shop™ Pakistan
Product TypePre-formulated Oil-in-Water (O/W) Emulsion Cosmetic Base
Chemical ClassEmulsified aqueous-lipid dispersion (O/W type)
CAS NumberN/A — multi-component formulated product
Key EmulsifiersCetearyl Alcohol (CAS 67762-27-0) + Glyceryl Stearate (CAS 31566-31-1)
HumectantGlycerin 3–5% (CAS 56-81-5)
EmollientsCaprylic/Capric Triglyceride (CAS 65381-09-1) + IPM (CAS 110-27-0) + Dimethicone (CAS 9006-65-9)
ThickenerCarbomer (CAS 9003-01-4), neutralised with NaOH
Preservative SystemPhenoxyethanol (CAS 122-99-6) + Ethylhexylglycerin (CAS 70445-33-9)
Chelating AgentDisodium EDTA (CAS 139-33-3)
Oil Phase8–15% (summer lightweight profile)
Water Phase65–75%
Emulsion HLBCetearyl Alcohol HLB ~15–16 (O/W driver) + Glyceryl Stearate HLB ~3.8 (co-emulsifier)
Urdu / Pakistan Nameلوشن بیس (گرمیوں کی) — Loshan Bais (Garmiyon Ki)
Quality Profiles
Grade & Quality Assessment
Professional Grade
GMP Cosmetic Grade
Established International Manufacturers
Emulsion Stability
98%
Passes centrifuge test (3,000 RPM / 30 min) + oven stability (40°C / 24h)
Full CoA documentation, Preservative Efficacy Test compliance, pH-verified, microbial tested. Bio Shop™ standard.
Standard Market
Generic Cosmetic Base
Verified Regional Suppliers
Emulsion Stability
85%
Passes basic visual stability; may lack PET data or accelerated testing
Adequate for small-batch production. Request CoA and verify pH before use. May require additional preservation boosting.
Premium Export
EU/FDA Compliant Base
BASF / Croda / Evonik Supply Chain
Regulatory Compliance
100%
Full EU Regulation 1223/2009 compliance with complete safety dossier
Export-grade documentation. Suitable for international brands requiring full regulatory audit trail. Higher price point justified by documentation completeness.
Warning
Grey Market / Unverified
Unknown Origin — Pakistan Market
Risk Level
HIGH
Phase separation, incorrect pH, inadequate preservation, microbial contamination risk
Diluted with water and mineral oil to inflate volume. No CoA, no PET data. Fails basic stability within weeks. Avoid for any commercial production.
Active Addition Guide
Concentration Behaviour
Base Only (0% addition)Basic Moisturiser
Use as-is for simple daily hydration. Glycerin provides humectancy; CCT/Dimethicone deliver emolliency and silky finish. pH 5.5–6.5 is skin-compatible.
Light Active (2–5%)Daily Face Lotion
Add Niacinamide 2–3% for pore refinement and mild brightening. Emulsion remains perfectly stable. No pH adjustment typically needed.
Moderate Active (5–10%)Targeted Treatment
Niacinamide 3–5% + Alpha Arbutin 1–2% for brightening. Or Aloe Vera 5% + Panthenol 2% for after-sun. Verify pH after addition; stability remains excellent.
High Active (10–15%)Advanced Formulation
Multi-active stacks: brightening (Niacinamide + Arbutin + SAP + Ferulic). Keep oil-phase additions below 3%. Stability-test a 100g trial batch before scaling.
Maximum Active (15–20%)Destabilisation Risk
Above 15% total addition significantly increases emulsion destabilisation risk. The emulsifier budget is exceeded. Test rigorously or reformulate from scratch.
pH-Sensitive Actives (AHAs, BHAs)pH Management Required
Glycolic Acid, Salicylic Acid require pH 3.5–4.5 for activity. This collapses Carbomer viscosity. Add Xanthan Gum 0.1–0.2% to compensate. Test final stability.
Mechanism of Action
Functional Performance
Mechanism 1 · Immediate
Humectant Hydration
Glycerin (3–5%) draws atmospheric moisture into the stratum corneum via hydrogen bonding with its three hydroxyl groups. Provides 30–60% increase in skin hydration within 60 seconds of application. Particularly effective in Karachi’s 60–90% coastal humidity where abundant atmospheric moisture is available for capture. In Lahore’s drier interior (30–50% RH), the optimised 3–5% range prevents paradoxical TEWL increase.
Mechanism 2 · 2–5 Minutes
Emollient Smoothing
Caprylic/Capric Triglyceride and IPM — lightweight C8–C14 chain esters — penetrate the stratum corneum surface within 2–5 minutes, filling microdefects between corneocytes. This creates a temporarily smooth, reflective surface that reduces dryness sensation and fine surface lines. The fast absorption rate leaves minimal surface residue — the precise performance characteristic for Pakistan’s summer heat conditions.
Mechanism 3 · Film Formation
Silicone Occlusivity
Dimethicone (0.5–2%) creates an ultra-thin, breathable, semi-permeable silicone film on the skin surface. Unlike heavy occlusives (petrolatum), this film significantly reduces transepidermal water loss (TEWL) by 15–25% while allowing adequate gas exchange. The characteristic “silky” slip of premium lotion products — the smooth skin feel Pakistani consumers associate with imported international brands — is delivered by this mechanism.
Mechanism 4 · Active Delivery
Dual-Phase Vehicle
The O/W emulsion architecture facilitates delivery of both water-soluble actives (Niacinamide, Alpha Arbutin — dissolved in the continuous water phase) and oil-soluble actives (Vitamin E, Retinyl Palmitate — dissolved in oil droplets). This dual delivery mechanism makes the Summer Lotion Base an effective vehicle for addressing Pakistan’s priority skin concerns: hyperpigmentation, acne, and sun damage.
HumectancyEmolliencyMild OcclusivityTEWL ReductionFast AbsorptionNon-GreasySilky FinishDual-Phase DeliverySkin-Compatible pHNon-Comedogenic
Complete Formulas
Formulation Accords
Neem-o-Gulab Lotion · نیم و گلاب لوشن
Traditional Desi-Inspired Brightening Body Lotion · 100g Batch
Lotion Base (Summer)88.5g 88.5%
Niacinamide (Vitamin B3)2.0g 2.0%
Alpha Arbutin Powder1.0g 1.0%
Aloe Vera Extract Liquid1.0g 1.0%
Neem Oil1.5g 1.5%
Vitamin E Oil0.5g 0.5%
Organic Rose Water3.0g 3.0%
Citric Acid Solution (10% aq)2.0g 2.0%
Rosemary Extract0.5g 0.5%
Method
Pre-dissolve Niacinamide + Alpha Arbutin in 5× Distilled Water. Warm Neem Oil + Vitamin E to 35°C. Add active solution to base with gentle stirring. Add oils in thin stream. Add Rose Water + Rosemary Extract. pH adjust to 5.0–5.5 with Citric Acid solution. Stand 15 min, verify stability.
Nirali Chamak Serum-Lotion · نرالی چمک
K-Beauty Inspired Brightening Face Lotion · 100g Batch
Lotion Base (Summer)82.0g 82.0%
Distilled Water4.5g 4.5%
Hyaluronic Acid Powder0.1g 0.1%
SAP (Sodium Ascorbyl Phosphate)2.0g 2.0%
Niacinamide3.0g 3.0%
D-Panthenol (Vitamin B5)1.5g 1.5%
Aloe Vera Extract Liquid2.0g 2.0%
Vitamin E Oil0.5g 0.5%
Fragrance Oil (light floral)1.5g 1.5%
Citric Acid Solution (10% aq)2.9g 2.9%
Method
Pre-swell HA in Distilled Water 60 min. Add SAP, Niacinamide, Panthenol, Aloe Vera to HA solution. Warm Vitamin E to 35°C. Add water-phase to base with gentle stirring. Add Vitamin E in thin stream. Add fragrance last. pH adjust to 5.5–6.0. Stand 24h before filling. Note: SAP may cause slight yellowing over time — normal oxidation.
Thanda Badan After-Sun · ٹھنڈا بدن
Cooling After-Sun Soothing Body Lotion · 100g Batch
Lotion Base (Summer)80.0g 80.0%
Aloe Vera Extract Liquid8.0g 8.0%
Chamomile Extract Liquid2.0g 2.0%
Cucumber Extract1.0g 1.0%
D-Panthenol (Vitamin B5)2.0g 2.0%
Propanediol3.0g 3.0%
Vitamin E Oil0.5g 0.5%
Witch Hazel Liquid0.5g 0.5%
Niacinamide2.0g 2.0%
Fragrance Oil (aquatic/cool)1.0g 1.0%
Method
Combine Aloe Vera, Chamomile, Cucumber, Panthenol, Witch Hazel, and Niacinamide. Add Propanediol. Warm Vitamin E to 35°C. Add botanical mix to base with gentle stirring. Add Vitamin E in thin stream. Add fragrance last. pH should remain 5.5–6.5. Stand overnight. Refrigerate 15 min before use for enhanced cooling. Position for Karachi beach season and Lahore outdoor summer.
Synergistic Pairings
Active Combinations
Brightening Stack
Hydration & K-Beauty
Acne Control
Desi Botanical
Comparison
How It Compares
Lotion Base (Winter)
O/W Emulsion · Rich Emollient Profile
Oil Phase
20–30% — heavier emollients (Shea Butter, Cetyl Alcohol)
Texture
Rich, nourishing, 5–10 min absorption
Best Climate
Cold weather; Lahore/Islamabad Nov–Feb
Pakistan Use
Night creams; dry skin; northern regions
Verdict: Summer base for 70% of annual Pakistani lotion usage; Winter base for cold months and dry skin types only.
Moisturising Cream Base
O/W Cream · Medium Richness
Oil Phase
15–25% — medium emollient load
Texture
Creamy, moderate absorption
Best Use
Year-round face cream; normal/dry skin
Pakistan Use
Day cream for normal skin; transitional seasons
Verdict: Cream Base sits between Summer and Winter. For oily/combination skin in Pakistani heat, Summer base is still preferred.
DIY O/W Emulsion (From Scratch)
Custom Emulsion · Advanced Formulation
Complexity
High — requires heating, homogeniser, pH calibration
Customisation
Full control over every component
Equipment
Thermometer, high-shear mixer, pH meter, scale
Pakistan Use
Advanced formulators; contract manufacturers
Verdict: DIY emulsion for experienced formulators only. Summer Lotion Base democratises access for beginners and small brands.
Carbomer Gel Base
Aqueous Gel · Oil-Free
Oil Phase
0% — purely aqueous polymer gel
Texture
Ultra-light, cooling, mattifying
Best Use
Oily skin serums; mattifying gels
Pakistan Use
Extreme oily skin; serum vehicles; cooling products
Verdict: Gel base for oil-free products only. No emolliency = no moisturisation. Summer Lotion Base offers balanced hydration + emolliency.
Safety & Regulations
Safety Profile
⚠️ Educational reference only. Always consult current EU Cosmetics Regulation (EC No 1223/2009), FDA guidelines, and SDS before commercial formulation. Pakistani formulators should review DRAP cosmetic notifications where applicable.
EU Cosmetics Regulation
All components individually permitted under EC No 1223/2009. Phenoxyethanol: Annex V, max 1.0% in finished product (0.4% for children under 3). Disodium EDTA: Annex III restricted but compliant at trace chelation levels (0.05–0.1%). No Annex II prohibitions apply.
Pakistan DRAP Status
No restriction on any component. DRAP references international standards (primarily EU Regulation) as benchmarks. All components are used globally in approved cosmetics. Bio Shop™ recommends following EU ingredient limits as a professional standard even for domestic market products.
Human Safety Profile
Glycerin LD50 oral >12,600 mg/kg (practically non-toxic). Phenoxyethanol LD50 oral >1,260 mg/kg. All components pass CIR (Cosmetic Ingredient Review) safety assessments. Non-irritating, non-comedogenic at typical lotion use levels. Safe in pregnancy at topical cosmetic concentrations.
Phenoxyethanol Sensitivity
A small minority of individuals with compromised skin barrier (active eczema, very dry cracked skin) may experience mild irritation. Patch-test on inner arm for 48 hours before first use. For baby products (children under 3), ensure total Phenoxyethanol does not exceed 0.4%.
No SPF Protection
This base contains no UV filters. In Pakistan’s intense UV environment (UV Index 8–12+ in summer), always layer SPF product over any daytime lotion application. For sun protection formulation, incorporate Octyl Methoxycinnamate 7.5% + Avobenzone 3% with stability testing.
Environmental Profile
Dimethicone is not readily biodegradable but is considered low environmental risk at cosmetic concentrations. All other components are biodegradable under standard wastewater treatment conditions. No aquatic toxicity concerns at typical dilution levels from personal care use.
Storage Guidelines
Handling & Storage
Temperature
Below 30°C ideal. Stable up to 45°C in sealed containers. Do not freeze — below 5°C may cause phase separation.
Container Type
Sealed HDPE (polyethylene) or amber glass. Avoid metal containers. Use snap-cap lids to prevent humidity ingress. Always use sterilised spatula.
Light Exposure
Avoid direct sunlight and UV. Inner room storage best. Transparent containers not recommended for extended periods. Add Vitamin E 0.5% for UV-exposed products.
Shelf Life
24 months sealed at below 30°C. 18 months at 30–40°C. 6–12 months after opening. Reseal tightly after each use.
Measuring
Use clean, sterilised stainless steel or silicone spatula. Never dip fingers directly into container — introduces microbial contamination. Weigh on calibrated scale for formulation.
Pre-Use Handling
Bring to room temperature (20–30°C) before active addition. Cold base resists mixing; warm base (>40°C) may compromise heat-sensitive actives. Work in AC room if possible.
Lahore Summer (May–Aug)
38–45°C ambient. Chemical stability maintained but viscosity measurement affected above 40°C. Request early-morning delivery. Store in coolest room or AC environment. For bulk orders (1kg+), decant into smaller HDPE jars to minimise air exposure.
Karachi Coastal Climate
28–42°C, 60–90% RH year-round. Primary concern is humidity entering opened containers. Use HDPE with snap-cap closure. Interior room storage away from kitchen/bathroom moisture. Desiccant packs alongside storage shelf recommended.
Quality Verification: Apply a small amount to back of hand — quality Summer base absorbs within 2–3 minutes leaving smooth, non-greasy finish. Check pH with strip (must read 5.5–6.5). Inspect for phase separation (water pooling on surface or visible oil rings = quality failure). Request CoA with every batch from Bio Shop™ Pakistan.
FAQ
Frequently Asked
Is Lotion Base (Summer) Halal? What are the ingredients?
Yes, Lotion Base (Summer) is Halal-compatible for external cosmetic use. Its components are: Glycerin (plant-derived from coconut/palm saponification — no tallow), Cetearyl Alcohol (plant-derived fatty alcohol from coconut/palm), Caprylic/Capric Triglyceride (coconut oil-derived ester), Dimethicone (fully synthetic polysiloxane — no animal origin), Phenoxyethanol (fully synthetic glycol ether — not an alcohol, not derived from khamr fermentation), Ethylhexylglycerin (synthetic preservative booster), and Carbomer (fully synthetic polyacrylic acid). No porcine-derived ingredients, no carrion-derived materials, and no alcohol from fermentation are present at any manufacturing stage. Confirmed Halal by Pakistani Islamic scholars and international bodies (JAKIM, IFANCA). Bio Shop™ Pakistan provides supplier Halal documentation upon request.
How do I verify quality when buying in Pakistan?
Three field tests: (1) Visual — scoop into a white dish; should be white-to-cream, perfectly uniform, no water separation around edges or visible oil rings. Any separation is quality failure. (2) pH — apply to pH strip; must read 5.5–6.5. Below 4.5 or above 7.5 indicates production failure. (3) Absorption — apply to back of hand; quality Summer base absorbs within 2–3 minutes leaving smooth, non-greasy finish. If greasy for more than 10 minutes, the oil phase is too heavy or adulterated with mineral oil. Always request Certificate of Analysis (CoA) from Bio Shop™ Pakistan with pH, viscosity, and microbial count data.
What is the maximum amount of actives I can add?
Recommended total active addition is 5–12% for stable results. At 12–15%, stability is achievable but must be carefully verified (no separation after 24h, 1 week, 1 month). Above 15% significantly increases emulsion destabilisation risk. Key limit: keep oil-phase additions (carrier oils, Vitamin E, oil-soluble extracts) below 3% total. Water-phase additions (Niacinamide, Alpha Arbutin, Glycerin, hydrosols) can total up to 12–15% without major stability risk. Always stability-test a 100g trial batch before scaling to production volumes.
Which Pakistani skin concern does this base address best?
Pakistan’s top three concerns addressed by this base: (1) Skin brightening/hyperpigmentation (most common) — add Niacinamide 3–5% + Alpha Arbutin 1–2% + SAP 2% for complete brightening formula targeting PIH and uneven tone. (2) Oily skin and acne (second most common in urban youth) — add Niacinamide 2% + Zinc PCA 0.5–1% for sebum control; Summer base’s lightweight texture naturally suits oily skin. (3) Sun damage and after-sun repair — add Aloe Vera 5–8% + Panthenol 2% + Vitamin E 0.5% for soothing barrier repair. The base is not ideal as-is for very dry skin in winter — use Winter Lotion Base for that segment.
How do I store this in Pakistan’s extreme heat?
In Karachi (coastal, 28–42°C, high humidity): store in sealed HDPE containers with snap-fit caps; keep in interior room away from kitchen/bathroom steam. In Lahore (extreme seasonal range, 5–45°C): store in coolest room or AC environment; for bulk orders request early-morning delivery May–August. Both cities: avoid transparent containers or window storage (UV exposure). Always use sterilised spatula when scooping. Chemical stability maintained up to 45°C in sealed containers. Shelf life: 24 months sealed; 6–12 months after opening.
Can I use this with Retinol, AHAs, or strong Vitamin C?
Compatibility varies: Retinol (pure) — not recommended; very unstable in water-containing emulsions at neutral pH. Use Retinyl Palmitate or micro-encapsulated retinol instead. Pure L-Ascorbic Acid — very difficult; requires pH 3.0–3.5 which collapses Carbomer viscosity. Use SAP (Sodium Ascorbyl Phosphate) instead, effective at pH 5.5–7.0. AHAs (Glycolic, Lactic) — compatible if pH adjusted to 4.0–4.5; compensate viscosity loss with Xanthan Gum 0.1–0.2%. Salicylic Acid — effective at 0.5–1% with pH adjustment to 4.0–4.5. Always stability-test after pH adjustment.
What is the difference between Summer and Winter Lotion Base?
The difference is oil phase composition and load. Summer: 8–15% total oil using lightweight esters (CCT, IPM) and Dimethicone; absorbs in 2–3 minutes; non-greasy; suited for 28–45°C ambient. Winter: 20–30% oil using richer emollients (Shea Butter, Cetyl Alcohol); absorbs in 5–10 minutes; more occlusive; suited for cold weather. In Pakistan, approximately 70% of annual lotion usage is better suited to Summer base. Winter base is primarily relevant for northern Pakistan (Murree, Islamabad, KPK, Gilgit-Baltistan) and Lahore’s December–January cold snap.
What Urdu brand names work for products using this base?
Commercially tested name concepts: چاند چمک (Chand Chamak — Moon Glow) for brightening body lotion; نیم و گلاب (Neem-o-Gulab) for traditional desi-inspired lotion; ٹھنڈا بدن (Thanda Badan — Cool Body) for after-sun care; دلہن گلو (Dulhan Glow) for bridal brightening series. The Summer base performs well in Pakistan’s heat: fast absorption means no sticky residue during outdoor activities. For bridal market, position as 3–6 month pre-wedding brightening regimen using Niacinamide + Arbutin + SAP stack. Retail pricing: PKR 350–600 per 200ml for body lotion; PKR 550–750 per 100ml for facial serum-lotion.
Full Reference Document
Dive Deeper — Read the Complete Guide
The full Bio Shop™ Pakistan reference document covers complete manufacturing process, clinical evidence, O/W emulsion architecture, compatibility tables for 20+ actives, market opportunity analysis for Pakistani beauty entrepreneurs, and detailed INCI declarations for all three formula concepts.
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