Skip to content

AMMONIUM STEARATE

CAS 1002-89-7
82

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

An ammonium salt of stearic acid used as an emulsifier and opacifying agent in cosmetic products.

Ammonium stearate is the ammonium salt of stearic acid (octadecanoic acid), used as a surfactant and opacifying agent in cosmetic formulations. It is listed in the EU CosIng database without restrictions and is considered safe for cosmetic use. It is used in both rinse-off and leave-on products and is particularly common in soap-free cleansing products.

Skin benefits

  • Improves product stability and texture
  • Provides opacifying effect
  • Helps build foam in cleansing products

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Check your shelf

Find AMMONIUM STEARATE in your products.

Scan any cosmetic product with LuxSense to see if it contains AMMONIUM STEARATE and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.