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1,3-benzenediol, 2-methyl

CAS 608-25-3
50

Safety score · 0–100

Moderate

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

About

1,3-benzenediol, 2-methyl is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

2-Methylresorcinol is listed in EU Annex III with a maximum concentration of 1.8% when used in oxidative hair dye formulations. Like other resorcinol derivatives, it has documented skin sensitization potential and requires specific coupling agents for safe color development. The EU restriction ensures it does not exceed safe exposure levels in consumer hair dye products, but it is banned in non-oxidative (non-combination) hair dye applications.

Known concerns

  • Skin sensitization and allergic contact dermatitis
  • EU restricted to max 1.8% in oxidative hair dyes only
  • Banned in non-oxidative hair dye products

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 — always read the physical product label and consult a healthcare professional for personal concerns.