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UV Filter

ALLANTOIN PABA

CAS 4207-42-5 Updated
18

Safety score · 0–100

Avoid

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

About

An old-school UV-absorber pairing allantoin with PABA. PABA is restricted in the EU under Annex II/167 because of photoallergy and sensitisation risk, so this composite is effectively retired from modern formulations.

Function

SKIN CONDITIONINGUV ABSORBER

Skin benefits

  • Historical UV-absorber complex — superseded by modern UV filters
  • Allantoin portion has independent skin-soothing track record

Known concerns

  • EU Annex II/167 restriction — PABA component is banned/severely restricted in cosmetics
  • PABA is a known photoallergen and skin sensitiser
  • Largely obsolete; modern UV filters are far safer and more effective

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.