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Skin Conditioning

KOJIC ACID

CAS 501-30-4 Updated
48

Safety score · 0–100

Moderate

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

About

Kojic acid — fungal-derived skin lightener that blocks pigment formation. Effective on dark spots but EU-restricted to 1% from 2025 due to thyroid and endocrine concerns.

Function

ANTIOXIDANTBLEACHING

Skin benefits

  • Tyrosinase inhibitor for pigment control
  • Useful for dark spots
  • Antioxidant activity

Known concerns

  • EU restricts to 1% in face/hand products from 2025 (Reg. (EU) 2024/996)
  • SCCS flagged thyroid/endocrine concerns
  • GHS H351 suspected carcinogen notification (PubChem)

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.