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Skin Conditioning

4-ETHYLRESORCINOL

CAS 2896-60-8
50

Safety score · 0–100

Moderate

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

A potent skin-brightening resorcinol derivative used at low %. PubChem flags multiple irritation hazards (H315/H319/H335), placing it in the use-with-awareness orange tier.

Function

ANTIMICROBIALHAIR DYEING

Skin benefits

  • Tyrosinase-inhibitor brightening agent
  • Effective at low %
  • Smaller molecule with skin penetration

Known concerns

  • Causes skin irritation (H315)
  • Causes serious eye irritation (H319)
  • May cause respiratory irritation (H335)

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.