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Thickener

HYDROXYSTEARIC ACID

CAS 106-14-9
78

Safety score · 0–100

Fine

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

12-Hydroxystearic acid, a fatty acid used to thicken and condition formulas. CIR-reviewed safe with no notable hazards; main downsides are texture-related.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Stable thickener and emollient
  • Compatible with many oils
  • Skin-conditioning fatty acid
  • Low irritation profile

Known concerns

  • Heavy occlusive feel
  • Possible comedogenicity

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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Same plant / compound family

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Skin Conditioning

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