CH3(CH2)nOH

where n is a number between 14 and 22, meaning that cetearyl alcohol is a mixture of fatty alcohols with 14 to 22 carbon atoms.

Cetearyl alcohol belongs to the family of fatty alcohols, which are long-chain alcohols that are derived from fatty acids. Fatty alcohols are typically obtained by the reduction of fatty acid esters, such as triglycerides. Cetearyl alcohol is a common ingredient in cosmetics and personal care products, where it is used as an emollient to soften and smooth the skin.