ZINC STEARATE
Commonly Found In
Overview
ZINC STEARATE is a cosmetic ingredient primarily used for ANTICAKING. It is commonly found in various cosmetic formulations and serves important functions in personal care products.
Also known as: Zinc Distearate, Zinc Octadecanoate
Key Benefits
Zinc stearate may help improve the texture and slip of cosmetic formulations. As a zinc salt, it may contribute mild astringent properties. It is widely considered safe and non-irritating in cosmetic use, providing a silky feel in powders.
Skin Compatibility Ratings
Comedogenic Rating
Metallic soap widely used in cosmetic powders; non-comedogenic.
Source: CIR Safety Assessment β Zinc Stearate (2015)
Irritancy Rating
Non-irritating when used as anticaking agent or slip modifier in cosmetics.
Source: CIR Safety Assessment β Zinc Stearate (2015)
Typical Use Concentration
Range
1β15%
Optimal
2β10%
Used as slip agent and anticaking ingredient in powder formulations.
Works Well With / Avoid
Works Well With
EU CosIng allows zinc stearate. CIR has assessed it as safe in cosmetics as currently used. The UK restriction (IV/150) relates to a specific colorant form. Generally considered non-comedogenic and non-irritating at cosmetic use levels.
Commonly Found In
Global Regulation Summary
Overview of current status across major international markets.
Detailed Regional Status
| Region | Status | Max Conc. | Conditions | Source |
|---|---|---|---|---|
| πͺπΊ EU | Allowed | - | - | Official β |
| πΊπΈ USA | Allowed | - | - | Official β |
| π―π΅ Japan | Allowed | - | - | Official β |
| π°π· Korea | Unknown | - | - | Official β |
| π¬π§ UK | Banned | - | Follows EU regulations (IV/150) | Official β |
π Why Regulations Differ
EU CosIng permits zinc stearate as a cosmetic ingredient. CIR considers it safe. The UK restriction appears to relate specifically to its use as a colorant (IV/150 form), not its general use as a texture agent. US and Japan allow it under general safety frameworks.
Regulation Analysis
Regional Agreement
Banned in UK but allowed in EU, USA, Japan.
Category Comparison
There are 9 ingredients in the ANTICAKING category. 100% are banned in at least one major market.
Strictness Ranking
πΏ Natural Sources
Not found in nature. A synthetic compound made from zinc and stearic acid (a fatty acid found in animal and vegetable fats).
π How It's Made
Produced by the fusion process (directly melting stearic acid with zinc oxide) or the precipitation process (reacting sodium stearate with zinc sulfate in water).
π Uses in Cosmetics
Used in cosmetic products primarily for anticaking, colorant, slip modifier, viscosity controlling.
π¬ Other Applications
Used in rubber and plastics manufacturing (release agent), pharmaceutical tablets, paint (flatting agent), concrete waterproofing, and as a lubricant for playing cards.
π‘ Fun Facts
- β’ Zinc stearate is what gives baby powder its silky, water-repellent feel β it's been used in baby care products for over a century
- β’ It's the 'secret ingredient' that makes playing cards and rubber gloves slip smoothly
- β’ Artists use zinc stearate as a flatting agent β it removes the glossy shine from paints to create matte finishes
Data Sources
- β’ EU CosIng database
- β’ CIR Final Report on the Safety of Zinc Stearate
- β’ FDA cosmetic ingredient database
Last data verification: 2026-04-12
Related Ingredients
ALUMINUM STEARATE
CALCIUM STEARATE
ALUMINUM SILICATE
GOLD
KAOLIN
MAGNESIUM STEARATE
Learn More
Frequently Asked Questions
What is ZINC STEARATE used for in cosmetics?
ZINC STEARATE is primarily used for anticaking in cosmetic products. It also serves as colorant, slip modifier. The ingredient is commonly found in various cosmetic and personal care products.
Which countries regulate ZINC STEARATE?
ZINC STEARATE is banned in UK. The ingredient is freely allowed in EU, JP, US.
Are there alternatives to ZINC STEARATE?
Due to regulatory restrictions on ZINC STEARATE, cosmetic manufacturers often use alternative ingredients with similar functions. For anticaking, alternatives may include other approved ingredients in the same category. Consult product labels for specific formulations, and look for products compliant with your region's regulations.
Where can I find official regulation information about ZINC STEARATE?
Official information about ZINC STEARATE regulations can be found on government websites: EU CosIng database, US FDA Cosmetics page, Japan MHLW cosmetics standards, UK Government cosmetics guidance, and Korea MFDS. Always verify regulatory status with these official sources before making formulation decisions.
Disclaimer
The information on this website is for educational and informational purposes only and is not intended as medical advice. While we strive for accuracy based on official government databases, cosmetic regulations change frequently. Always consult with a qualified professional or refer to the latest official regulatory documents for compliance. We are not responsible for any actions taken based on the information provided here.