Behenyl Alcohol is a white, waxy solids. Isostearyl Alcohol is a clear liquid. Fatty alcohols are widely used in cosmetics and personal care products, especially in skin lotions and creams. The Food and Drug Administration (FDA) includes synthetic fatty alcohols including Cetyl Alcohol, Stearyl Alcohol and Myristyl Alcohol on its list of food additives permitted for direct addition to food as multipurpose food additives. Synthetic fatty alcohols are also permited as indirect food additives as adjuvants and production aids. The safety of Cetearyl Alcohol, Cetyl Alcohol, Isostearyl Alcohol, Myristyl Alcohol and Behenyl Alcohol has been assessed by the Cosmetic Ingredient Review (CIR) Expert Panel. The CIR Expert Panel evaluated the scientific data and concluded that these fatty alcohols were safe for use as cosmetic ingredients. In 2005, the CIR Expert Panel considered available new data on Cetearyl Alcohol and the other fatty alcohols and reaffirmed the above conclusion.

Source: Dweck, Anthony. Handbook of Cosmetic Ingredients: - their use, safety and toxicology (Dweck Books 5)