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Skin Conditioning

HOMOCYSTEIC ACID

CAS 1001-13-4; 504-33-6 Updated
68

Safety score · 0–100

Fine

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

About

A sulfonic amino acid used in some peel-style cosmetics for gentle exfoliation. Generally safe at cosmetic levels but acidic enough to irritate reactive skin.

Function

EXFOLIATING

Skin benefits

  • Mild exfoliation
  • Skin renewal

Known concerns

  • Acidic — possible irritation
  • Sparse formal cosmetic safety 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.