Cetyl Alcohol is a synthetic, solid, fatty alcohol and nonionic surfactant. Cetyl alcohol is used as an emulsifying agent in pharmaceutical preparations.Hexadecan-1-ol is a long chain fatty alcohol that is hexadecane substituted by a hydroxy group at position 1. It has a role as a human metabolite and an algal metabolite. It is a long-chain primary fatty alcohol and a fatty alcohol 16:0.