P-AMINOPHENOL HCL

Other

42

Caution

CAS Number: 51-78-5

About P-AMINOPHENOL HCL

P-Aminophenol Hcl is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Detailed Analysis

The hydrochloride salt of p-aminophenol functions as a coupling agent in oxidative hair dye systems. EU cosmetic regulations under Annex III impose strict usage limits, and it must not be used in consumer hair dye kits at concentrations above specified thresholds. Its aromatic amine structure contributes to both its coloring capability and its sensitization risk.

Known Concerns

  • ⚠ Skin sensitization (H317)
  • ⚠ Potential cross-reactivity with other aromatic amines
  • ⚠ EU Annex III restricted - concentration limits apply

Safety Score

42

Caution

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.