Description - Behentrimonium Chloride (INCI: Behentrimonium Chloride), also known as docosyltrimethylammonium chloride, is a cationic quaternary ammonium compound derived from colza (canola) oil. This EO-free, pre-neutralized synthetic polymer acts as a conditioning agent, emulsifier, and thickener in cosmetic formulations. It appears as a waxy, yellow solid with an activity of 79–81% active substances.
Benefits - 
Positively charges the hair shaft to smooth the cuticle.
Reduces static for easier combing and less frizz.
Leaves hair feeling soft and looking glossy.
Helps rebuild damaged hair and softens coarse strands.
Its emulsifying properties create smooth, stable products without extra emulsifiers.
Provides gentle protection against microbes.
Contributes to a light, refreshing touch in cosmetic products.
Use - 
Typically used at a rate of 0.5–3%.
For effective incorporation, add the ingredient as pellets to warm water or oil to facilitate melting.
Follow usage instructions carefully to prevent build-up or potential irritation.
Applications - 
Ideal for hair conditioners, leave-in treatments, shampoos, and emulsifier-free cream gels.
Also used in color cosmetics, sun protection products, and clear aqueous gels.
pH value - 6-8 
Solubility - Soluble in hot water or oil (85°C/185°F)