6-AMINO-M-CRESOL

Colorant

35

Caution

CAS Number: 2835-98-5

About 6-AMINO-M-CRESOL

An oxidative hair-dye coupler. Permitted in EU hair colour at a capped concentration with mandatory allergy warnings — not something you want on unhealthy skin.

Detailed Analysis

6-Amino-m-cresol (CAS 2835-98-5) is an aminophenol used as a coupler in oxidative hair dyes, reacting with para-substituted primary intermediates to yield blonde-to-brown shades. It is regulated under EU Cosmetics Regulation Annex III entry 281 as permitted only in oxidative hair-dye products at a maximum concentration of 1.5% in the mixture ready for application, with mandatory warning statements about hair-dye allergy. It is not permitted for eyebrow/eyelash dyeing. Aromatic amines of this family are recognised contact sensitizers, and the SCCS has issued favourable but conditional safety opinions requiring the Annex III restrictions. Consumers with a history of hair-dye allergy (or prior henna with PPD) should avoid.

Skin Benefits

  • Oxidative hair-dye coupler

Known Concerns

  • Contact sensitizer
  • EU Annex III concentration cap and warning labelling
  • Aromatic amine structural class
  • Not for eyebrow/eyelash dyeing

Safety Score

35

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.