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Skin Conditioning

10-HYDROXYSTEARIC ACID

CAS 638-26-6
84

Safety score · 0–100

Good

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

A plant-derived hydroxylated fatty acid (CAS 638-26-6) that conditions skin with a gentle keratolytic effect. Inherits the strong safety record of stearic-acid derivatives and is compliant with EU cosmetic regulations.

Function

SKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Softens and smooths skin
  • Mild exfoliation
  • Improves lipid feel of formulas

Known concerns

  • May feel waxy on oily skin
  • Sparse cosmetic-specific clinical data

References

EU

EU CosIng database

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

Related skin conditionings

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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.