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Stearyl Alcohol

Also known as: Stearyl Alcohol, Octadecanol, 1-Octadecanol, INCI: Stearyl Alcohol

A waxy fatty alcohol that softens skin and thickens formulas into creams and balms.

emollient, occlusiveComedogenic: 1-2, minimal risk

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What it does

Stearyl alcohol is a long-chain fatty alcohol derived from natural oils or synthetically made. It functions as an emollient to soften and smooth skin, while also acting as a thickener and stabilizer in cream and lotion formulations. It helps reduce water loss from the skin's surface.

Benefits

Who it suits

How to use

Used by formulators at 2-10% in creams, lotions, and balms; consumers apply finished products as directed. No special precautions needed for typical cosmetic use.

Pairs well with

Cetyl alcohol, Glycerin, Ceramides, Hyaluronic acid

Be careful pairing with

none notable

Safety & cautions

Stearyl alcohol is non-irritating and safe for most people; it is distinct from denatured alcohol and does not dry skin. Rare allergic contact dermatitis possible at high concentrations, though uncommon.

Educational information, not medical advice. Concentration and formulation change how an ingredient behaves.

Related guides

More emollient, occlusive

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