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Skin Conditioning

PIDOBENZONE

CAS 138506-45-3
55

Safety score · 0–100

Moderate

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

A PCA ester of hydroquinone designed as a slow-release depigmenting agent. Because it releases hydroquinone — a restricted skin-lightener in the EU — it sits at the edge of cosmetic acceptability.

Function

SKIN CONDITIONING

Skin benefits

  • Reduces hyperpigmentation in dermatological use

Known concerns

  • Releases hydroquinone, an EU-restricted skin lightener
  • Not suitable for unsupervised cosmetic use
  • Ochronosis risk class
  • Patch-test sensitisation reports

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.