1-OCTADECANOL
AKA “Stearyl alcohol, Octadecan-1-ol, 112-92-5, 1-Hydroxyoctadecane, Octadecyl alcohol, n-Octadecanol, Stearol, n-Octadecyl alcohol, n-1-Octadecanol
Ingredient
Make this about you

Tap what applies — every card instantly flags it for you. Stays on your device.

Ingredient Facts
1-OCTADECANOL
AKA: Stearyl alcohol, Octadecan-1-ol, 112-92-5, 1-Hydroxyoctadecane, Octadecyl alcohol, N-Octadecanol, Stearol, N-Octadecyl alcohol, N-1-Octadecanol
Ingredient · Emollient
Synthetic
Emollient
Not Clean
Octadecan-1-ol is a long-chain primary fatty alcohol consisting of a hydroxy function at C-1 of an unbranched saturated chain of 18 carbon atoms. It has a role as a plant metabolite, a human metabolite and an algal metabolite. It is an octadecanol and a long-chain primary fatty alcohol.
Solubility Soluble in alcohol, ether, benzene, acetone
Mol. Weight
270.50
State
Dry Powder; Liquid; Other Solid; Pellets or Large Crystals, Liquid, Other Solid; NKRA; Pellets or Large Crystals, Other Solid
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Allergic contact dermatitis caused by wet wipes containing steareth-10: Is stearyl alcohol to blame?
Aerts O, Naessens T, Dandelooy J, Leysen J, Lambert J et al.
Contact dermatitis, 2017
Incidence of human skin sensitization to isostearyl alcohol in two separate groups of panelists.
Aust LB, Maibach HI
Contact dermatitis, 1980
Final Report on the Safety Assessment of Cetearyl Alcohol, Cetyl Alcohol, Isostearyl Alcohol, Myristyl Alcohol, and Behenyl Alcohol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Stearyl Alcohol, Oleyl Alcohol, and Octyl Dodecanol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Isostearyl Alcohol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isostearyl Alcohol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Stearyl Alcohol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng