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Antioxidant

XANTHOPTERIN

58

Safety score · 0–100

Moderate

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

A yellow pteridine pigment found in butterfly wings and amphibians. Fluorescent and antioxidant, but cosmetic safety data is essentially absent and photo-reactivity is plausible.

Function

COLORANT

Skin benefits

  • Pteridine antioxidant
  • Yellow pigment / colorant
  • Niche bioactive

Known concerns

  • Very limited cosmetic safety data
  • Pteridine class biology is unique — possible photo-reactivity
  • No formal CIR/SCCS 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, so always read the physical product label and consult a healthcare professional for personal concerns.