4-AMINO-2-HYDROXYTOLUENE

52

Moderate

CAS Number: 2835-95-2

About 4-AMINO-2-HYDROXYTOLUENE

A hair dye intermediate — EU Annex III restricted for use only in oxidative hair dye products at specific concentrations. Not for general skin use.

Detailed Analysis

4-Amino-2-Hydroxytoluene (CAS 2835-95-2) is an aromatic amine used as a hair dye intermediate in oxidative hair coloring. Listed in EU Annex III/241 with specific restrictions. Used at controlled concentrations in professional and consumer hair dye formulations. Like many hair dye chemicals, it should only be used for its intended purpose.

Skin Benefits

  • ✓ Hair coloring

Known Concerns

  • ⚠ EU Annex III restricted (III/241)
  • ⚠ Hair dye chemical — not for general skin application
  • ⚠ Aromatic amine — potential sensitizer

Safety Score

52

Moderate

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

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

⚛

PubChem

National Library of Medicine compound data

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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.