Emollient
Magnesium Stearate
A common cosmetic and pharmaceutical excipient used as a texture enhancer and anti-clumping agent in powders.
emollienttexture enhanceranti-clumping
⚠ Use with Caution
Comedogenic Rating
1/5
Irritation Potential
0/5
What is it?
Magnesium Stearate is a metallic salt of stearic acid, widely used across cosmetics and pharmaceuticals for its smoothing and anti-clumping properties in powder formulas.
Used in pressed powders, foundations, and some lotions to improve application smoothness and prevent ingredient clumping.
Key Benefits
Anti-clumping
Helps powder formulas blend and apply evenly.
Smooth texture
Contributes a silky after-feel.
Suitable for
Main Actions
When it may be insufficient
It carries a caution flag in some ingredient databases for comedogenic potential — those with acne-prone skin may wish to monitor use in dense powder products.
CategoryEmollients
Frequently Asked Questions
What does Magnesium Stearate do for skin?
Used in pressed powders, foundations, and some lotions to improve application smoothness and prevent ingredient clumping.
Who should use Magnesium Stearate?
Magnesium Stearate is suitable for: most skin types in powder formulas.
Are there any warnings about Magnesium Stearate?
It carries a caution flag in some ingredient databases for comedogenic potential — those with acne-prone skin may wish to monitor use in dense powder products.
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