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Skin Conditioning

3-METHYL-3-HYDROXYBUTYRIC ACID

CAS 625-08-1 Updated
82

Safety score · 0–100

Good

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

About

A small branched hydroxy acid (HMB, beta-hydroxy-beta-methylbutyrate) familiar from human metabolism. Acts as a gentle skin-conditioning ingredient with no documented hazards at cosmetic levels.

Function

ANTIOXIDANT

Skin benefits

  • Skin conditioning
  • Mild antioxidant action
  • Endogenous-style metabolite — well tolerated

Known concerns

  • Limited cosmetic efficacy literature

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.