Snapshot
- Overview
- A waxy fatty acid that thickens formulas and softens skin.
- Category
- Skin Conditioning, Emulsifying, Barrier Support
- Type
- Emollient
Stearic Acid
Stearic acid is a long-chain saturated fatty acid found in plant and animal lipids, valued as a waxy emollient and structuring material in cosmetics. It's used to stabilize emulsions, add body, and improve spread in creams and lotions.
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Our take
Is Stearic Acid a Good Ingredient?
It rates Good because it reliably thickens and stabilizes formulas while providing a soft, cushioned feel, with a long history of use and low irritation for most skin types. Those prone to clogged pores may notice breakouts at higher concentrations due to its mild comedogenic potential, which is what keeps it out of the top tier.
What it does
Skin Benefits
It helps skin feel supple and comfortable by reducing a dry, tight sensation, contributing to a cushioned finish that can support a healthier-feeling moisture barrier.
Where you'll find it
Uses in Skincare & Cosmetics
It's frequently included in creams, lotions, and body butters to enrich texture and improve payoff, and found in bar cleansers and shaving creams for a denser, creamier lather.
Before you use it
Safety
It's generally considered low irritation, but acne-prone users may prefer patch testing because fatty acids can be mildly comedogenic for some. No common regulatory restrictions are noted.
Products with Stearic Acid
