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Ingredient Facts
C30-50 alkyl stearate
AKA: Fatty Acid Ester
Skin Conditioning · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Plant Oil
Not Clean
C30-50-alkyl octadecanoate
CAS #
223239-94-9
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A synthetic ester derived from stearic acid (a fatty acid found in animal fats and vegetable oils) and long-chain alcohols, developed to replace natural waxes and fats in modern cosmetic formulations for improved stability.