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.
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Get the appWhat 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
- Softens and smooths skin texture
- Thickens creams and lotions to desired consistency
- Reduces transepidermal water loss (TEWL)
- Stabilizes emulsions and extends shelf life
- Non-irritating and well-tolerated by most skin types
Who it suits
- All skin types
- Dry or dehydrated skin
- Sensitive skin
- Barrier-compromised skin
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.