Cetostearyl Alcohol is a mixture of fatty alcohols with 16 (Cetyl Alcohol) and 18 (Stearyl Alcohol) carbon atoms. This material is classified as a fatty alcohol and is used in a variety of personal care applications since it imparts an emollient feel to the skin. Hair conditioners and other hair products will often have Cetostearyl Alcohol as a primary ingredient. In addition, Cetostearyl Alcohol is used as an emulsion stabilizer, opacifying agent and foam boosting surfactant.