? What is it? It is most commonly used as a hair care ingredient for reducing static and frizzing in hair conditioning products. Behentrimonium chloride is also an emulsifying agent, which helps to improve the moisture content of the hair. ? Applications: Hair conditioners, hair color, hair shampoos, hair rinses, mousse, and also in detergents ? Usage rate: 0.2–7%. (according to the formulation, as excessive use may make hair feel greasy). ? Why do we use it in formulations? Behentrimonium Chloride is an excellent conditioner, helping improve comb-through, reduce static, and soften coarse hair. It is most typically used in cream-type hair conditioners, both leave-in and rinse-out. ? Tips, Tricks, and Quirks: Melt it in your oil phase; We find it typically needs some form of direct heat (microwave or stovetop) to melt through. Be careful not to burn it! Running it through your DIY-only coffee grinder to powder it will help it melt.