Industrial intermediate
1-Hydroxy-2-methylnaphthalene
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A methylated naphthol used mainly as a chemical intermediate, not as a finished cosmetic ingredient. Public ECHA data flag it for skin irritation, serious eye damage and respiratory irritation, so direct skin contact is not appropriate.
Skin benefits
- Used as a chemical intermediate in dye and pigment synthesis
- Not typically present as a deliberate cosmetic active
Known concerns
- GHS classified for skin irritation H315 and serious eye damage H318
- May cause respiratory irritation H335
- Naphthol derivatives raise general safety flags in leave-on products
- Not listed for direct cosmetic application
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related industrial intermediates
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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.