ALUMINUM STEARATE
Overview
ALUMINUM 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: Aluminum distearate, Aluminum octadecanoate
Key Benefits
Aluminum stearate functions primarily as a thickener and texture agent. It does not provide direct skin benefits but may help improve the application feel and consistency of cosmetic formulations.
Skin Compatibility Ratings
Comedogenic Rating
Metallic soap used as anticaking agent; no comedogenic potential expected.
Source: CIR Safety Assessment β Aluminum Stearates (2016)
Irritancy Rating
Non-irritating in cosmetic formulations.
Source: CIR Safety Assessment β Aluminum Stearates (2016)
Typical Use Concentration
Range
0.1β5%
Optimal
0.5β3%
Used as a thickener and anticaking agent in powder and solid cosmetic formulations.
Works Well With / Avoid
Works Well With
Inert ingredient; no significant compatibility concerns at typical 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 allows aluminum stearate as a cosmetic ingredient. The UK listing under IV/150 relates to a specific colorant form. CIR considers aluminum stearate safe as used in cosmetics.
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 of aluminum and stearic acid (a fatty acid from animal and plant fats).
π How It's Made
Produced by reacting aluminum salts (like aluminum sulfate) with sodium stearate in aqueous solution, or by fusing aluminum hydroxide with stearic acid at elevated temperatures.
π Uses in Cosmetics
Used in cosmetic products primarily for anticaking, colorant, emulsion stabilising, viscosity controlling.
π¬ Other Applications
Used in paint and varnish (thickener), waterproofing textiles, as a lubricant in pharmaceutical tablets, in candle making, and historically in incendiary weapons (napalm).
π‘ Fun Facts
- β’ Aluminum stearate is what makes napalm gel-like β it was used as a thickener for napalm during World War II and the Vietnam War
- β’ It's used in waterproof matches and fireworks to make them resistant to moisture
- β’ Artists use aluminum stearate as a paint thickener to create impasto effects (thick, textured brush strokes)
Data Sources
- β’ EU CosIng database
- β’ CIR Final Report on the Safety of Aluminum Stearate
- β’ FDA cosmetic ingredient database
Last data verification: 2026-04-12
Related Ingredients
CALCIUM STEARATE
ZINC STEARATE
ALUMINUM SILICATE
BENTONITE
KAOLIN
MAGNESIUM STEARATE
Learn More
Frequently Asked Questions
What is ALUMINUM STEARATE used for in cosmetics?
ALUMINUM STEARATE is primarily used for anticaking in cosmetic products. It also serves as colorant, emulsion stabilising. The ingredient is commonly found in various cosmetic and personal care products.
Which countries regulate ALUMINUM STEARATE?
ALUMINUM STEARATE is banned in UK. The ingredient is freely allowed in EU, JP, US.
Are there alternatives to ALUMINUM STEARATE?
Due to regulatory restrictions on ALUMINUM 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 ALUMINUM STEARATE?
Official information about ALUMINUM 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.