Zinc Stearate
INCI: Stearic Acid
Reviewed by Kate · Last updated 18 Aug 2026
Also known as: Stearic Acid
Zinc stearate is the zinc salt of stearic acid
Best For Skin Types
Oily skin, Acne-prone skin
Usage Frequency
As directed on product packaging
EWG Safety Score
What Is Zinc Stearate?
Zinc stearate is the zinc salt of stearic acid. It has multiple functions in cosmetics, including serving as the basis for soap. Also functions as a coloring agent, slip agent, and texture enhancer.
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Zinc Stearate is a variant of Stearic Acid, the form you will most often see on an ingredients list.
A long-chain fatty acid that stabilises emulsions and supports skin barrier function
Related Ingredients
Stearic Acid
A long-chain fatty acid that stabilises emulsions and supports skin barrier function
7-Dehydrocholesterol
A cholesterol precursor that supports skin's natural vitamin D synthesis pathway
Acacia Senegal Gum
Functions as a thickening agent, emulsifier, or stabiliser
Acacia Senegal Gum Extract
A plant-derived thickener that stabilises formulations and maintains product texture
Acetylated Hydrogenated Cottonseed Glyceride
Provides Hydration
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
A synthetic polymer that stabilises emulsions and controls texture in skincare formulations
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