BTMS 50 is a cationic conditioning emulsifier designed for hair conditioners, hair masks, and leave-in conditioning creams.
It delivers excellent detangling, softness, and reduced frizz, while also helping you build a stable, creamy emulsion with great slip.
BTMS 50 works best when combined with fatty alcohols and performance oils for a smoother, richer conditioning result.
FEATURES
- Strong conditioning – improves slip, softness, and detangling.
- Professional texture – builds creamy viscosity and stable emulsions.
- Anti-frizz support – helps reduce frizz and improves manageability.
- Easy to formulate – reliable emulsifier system for rinse-off hair products.
BEST FOR
- Rinse-off conditioners
- Hair masks
- Leave-in conditioners
- Co-washes
- Conditioning creams
FORMULATION GUIDELINES
| INCI | Behentrimonium Methosulfate (and) Cetearyl Alcohol |
|---|---|
| Type | Cationic conditioning emulsifier |
| Form | Pellets / flakes |
| Solubility | Oil phase melt-in emulsifier (not water soluble) |
| Use Rate | 2–10% typical. 3–6% for conditioners, 5–10% for masks and richer treatments. |
| CMC | N/A (conditioning emulsifier blend, not used as a primary cleansing surfactant) |
| ASM (Active Matter) | N/A (not expressed as ASM in the same way as cleansing surfactants) |
| pH Compatibility | We recommend finished product pH 4.0–5.5 for hair conditioning performance and scalp comfort. |
| Temperature Tolerance | We recommend heating oil phase to 70–75°C to fully melt BTMS 50, then emulsify hot for best stability. |
| Pro Tip | Pair BTMS 50 with cetyl alcohol or cetearyl alcohol to tune viscosity and improve slip. Add heat-sensitive ingredients (preservative, fragrance, proteins, panthenol) in cool down below 40–45°C. Avoid using BTMS 50 in anionic surfactant systems, because cationic + anionic incompatibility can cause instability or loss of conditioning feel. |
| Appearance | Off-white pellets or flakes |
| Stability Notes | Final viscosity develops during cool down. Allow 24 hours before making final viscosity adjustments. |
| Storage | Keep sealed, cool and dry. Protect from humidity. |
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