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Ingredient guide
calcium stearate
In short
Calcium Stearate is a slip agent that helps powders glide smoothly and resist clumping. It also improves adherence so pressed powders apply more evenly.
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Works for
Texture
Best used
Anytime
What it is
Calcium salt of stearic acid; functions as a slip agent, anti-caking ingredient, and mild waterproofing agent in pressed powders and talc-free mineral formulas; also contributes a smooth waxy feel that improves pressed-powder adhesion.
Also found as
Related
Where to find it
bareMinerals Original Loose Mineral Foundation
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Common questions
It prevents powders from clumping and improves glide for a smoother application. It also adds a soft, waxy feel that enhances adhesion.
Anyone using pressed powders or talc‑free formulas may notice a smoother, more even finish thanks to its slip-enhancing effect.
It’s common in pressed finishing powders, blushes, and some mineral makeup products.
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Personal guidance only · For clinical concerns, see a dermatologist.