• High-active blend (85%) of Behentrimonium Methosulfate and fatty alcohols
• Provides intense conditioning and detangling in haircare
• Emulsifies oil and water phases in creams and conditioners
• Improves spreadability and skin feel in lotions and balms
• Ideal for leave-in, rinse-off, and high-performance hair masks

BTMS 85 – Conditioning Emulsifier for Hair & Skin

BTMS 85 is a powerful cationic emulsifier and conditioning agent composed of 85% Behentrimonium Methosulfate blended with cetyl and stearyl alcohol. It is especially effective in hair care formulations, imparting detangling, anti-frizz, and silk-like softness without buildup. Unlike BTMS 50, it has a higher conditioning intensity and is perfect for curly, damaged, or chemically treated hair. In skin care, it enhances cream texture, offering a powdery, non-greasy finish.

INCI Name: Behentrimonium Methosulfate (and) Cetearyl Alcohol

CAS Number: 81646-13-1 / 67762-27-0

Solubility: Dispersible in water; melt into emulsions

Add Phase: Heated oil phase (70°C)

pH Stability: 4.5 – 7.5

Processing Temperature: 70°C – 80°C

Appearance: White to off-white waxy pastilles or pellets

Odor: Mild, neutral

Molecular Formula: C26H57NO4S (for BTM active)

Molecular Weight: ~459.81 g/mol

Flash Point: >150°C

Density: ~0.9 g/cm³

Chemical Type: Quaternary ammonium salt (cationic surfactant)

Functional Groups: Ammonium compound, long-chain fatty alcohols

Primary Cosmetic Uses: Conditioner, emulsifier, detangler, softener

• Usage Rate: 1% – 10%
• Phase: Add to oil phase and heat to melt completely
• Ideal For: Conditioners, Hair Masks, Detanglers, Creams, Lotions, Leave-Ins

✨ Use BTMS 85 when you want a stronger detangling effect compared to BTMS 50. For rich, creamy conditioners, pair it with cetearyl alcohol and plant oils like argan or avocado for the best slip and shine.

✔️ Suitable for all hair types

✔️ Gentle on sensitive scalps

✔️ Non-comedogenic in skin care when used ≤5%

1. Deep Hair Conditioner Mask

Use 5–8% BTMS 85 with panthenol and argan oil for deep repair and shine.

2. Leave-In Detangler Spray

Use 2% BTMS 85 in a lightweight emulsion base with aloe vera and hydrolyzed keratin.

3. Creamy Hair Balm

Add to a butter-rich formulation with shea and coconut for thick, curl-defining hydration.

4. Lightweight Face Cream

Use 3% BTMS 85 with almond oil and allantoin for a silky-soft, non-greasy emulsion.

5. Solid Hair Conditioner Bar

Blend with cetyl alcohol, coconut oil, and essential oils to make palm-sized conditioner bars.

Serums
⭐☆☆☆☆ – Poor
🟥⬜⬜⬜⬜ – Too heavy for water-light serums.



Creams & Lotions
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜ – Adds smooth glide and velvety finish.



Toners
☆☆☆☆☆ – Not Suitable
🟥⬜⬜⬜⬜ – Incompatible with watery formulas.



Face Masks
⭐⭐⭐☆☆ – Moderate
🟧🟧🟧⬜⬜ – Useful in creamy leave-on masks.



Cleansers
⭐⭐☆☆☆ – Fair
🟧🟧⬜⬜⬜ – Optional in cream-based cleansers.



Hair Masks
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩 – Deep conditioning and softening action.



Deodorants
⭐☆☆☆☆ – Poor
🟥⬜⬜⬜⬜ – Not commonly used.



Eye Creams
⭐⭐☆☆☆ – Fair
🟧🟧⬜⬜⬜ – Too rich for many eye formulas.



Shampoos
⭐⭐⭐☆☆ – Moderate
🟧🟧🟧⬜⬜ – May be used in cream cleansers.



Soaps
⭐☆☆☆☆ – Poor
🟥⬜⬜⬜⬜ – Not suited for alkaline soap-making.



Conditioners
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩 – Primary function – deep conditioner & detangler.



Lip Balms
☆☆☆☆☆ – Not Suitable
🟥⬜⬜⬜⬜ – Not recommended for ingestion.



Body Butters
⭐⭐⭐☆☆ – Moderate
🟧🟧🟧⬜⬜ – Helps emulsify and soften texture.



Ointments
⭐⭐☆☆☆ – Fair
🟧🟧⬜⬜⬜ – Can aid spreadability in emulsified ointments.

Q1: What’s the difference between BTMS 50 and BTMS 85?

A1: BTMS 85 contains more active conditioner (85%) compared to BTMS 50 (50%) — better for thick, high-performance hair treatments.

Q2: Can I use this in leave-in products?

A2: Yes, it’s non-irritating and perfect for leave-ins, sprays, and serums when used at low concentrations.

Q3: Is it natural or synthetic?

A3: BTMS is synthetically derived from natural rapeseed oil, considered safe and biodegradable.

Q4: Can BTMS 85 be used as a primary emulsifier?

A4: Absolutely! It works well in both oil-in-water and water-in-oil emulsions.

Q5: Is it safe for curly or color-treated hair?

A5: Yes! It’s known to enhance curl softness and reduce protein loss in damaged or treated hair.