Triolein Excellent Émollient Hydratation Triolein at a glance Triglyceride derived from glycerin and three units of oleic acid Used as a skin protectant, conditioning agent, and emollient Exhibits many characteristics of oleic acid Can have anti-inflammatory benefits + help reduce oxidative stress Ruled safe as used in cosmetics Triolein description Triolein is a triglyceride derived from glycerin and three units of the fatty acid oleic acid. In cosmetics, it is used as a skin conditioning agent, and emollient. It exhibits many of the same characteristics as oleic acid itself. Some studies have suggested that triolein also has soothing effects and can reduce oxidative stress in skin damaged by UVB radiation. The independent Cosmetic Ingredient Review panel has ruled triolein safe as used in skin care products. Typical usage levels of triolein in cosmetics are on the low side, ranging from 0.00053%–0.14%. Related ingredients: Glycerin Oleic Acid