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Skin Conditioning

2-HYDROXYSTEARIC ACID

CAS 629-22-1 Updated
82

Safety score · 0–100

Good

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

About

A C18 fatty acid with one hydroxyl group, used to condition skin and hair. Class-analogue of stearic acid with the same long history of safe topical use; no documented red flags.

Function

HAIR CONDITIONINGSKIN PROTECTINGSURFACTANT - CLEANSINGSKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Skin and hair conditioning
  • Mild emollient action
  • Hydroxyl group adds substantivity
  • Compatible with most formulations

Known concerns

  • No significant concerns at cosmetic concentrations
  • Limited dedicated CIR review

References

EU

EU CosIng database

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

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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.