Behentrimonium Methosulfate (and) Cetearyl Alcohol is a natural, conditioning emulsifier used in hair and skin care. BTMS is naturally derived from Colza oil, and is gentle on the skin and hair.   
BTMS can be used in creams and lotions to provide a soft, powdery feel to the skin. BTMS can also emulsify some silicones.
Recommended use levels: 1-10%  

INCI Name: Behentrimonium Methosulfate (and) Cetearyl Alcohol