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Antioxidant

ASTAXANTHIN

CAS 472-61-7
85

Safety score · 0–100

Good

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

A potent red carotenoid from microalgae. One of the strongest known natural antioxidants in skincare; well tolerated and supported by good evidence.

Skin benefits

  • Powerful carotenoid antioxidant
  • Reduces UV-induced oxidative stress
  • Anti-inflammatory in skin

Known concerns

  • Pink-red staining at high %
  • Photo-instability requires good packaging

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, so always read the physical product label and consult a healthcare professional for personal concerns.