2-METHYL-1-NAPHTHOL
2-METHYL-1-NAPHTHOL
Is 2-METHYL-1-NAPHTHOL safe in skincare?
EU CosIng Annex III
Based on
- Reference: European Union, 2026
Annex III · EU Cosmetics Regulation Annex III, entry 213: permitted only under the listed conditions. Conditions: Hair dye substance in oxidative hair dye products | After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of
- Reference: Korea MFDS
Country limits · 3 rules across 3 countries
Is 2-METHYL-1-NAPHTHOL classified as a carcinogen?
Only four bodies count here: IARC, EU CLP, US NTP and California Prop 65.
Not classified by IARC, EU CLP, US NTP, or California Prop 65.
How is 2-METHYL-1-NAPHTHOL regulated?
Cosmetic ingredient
Not found on any prescription-drug, professional-treatment, or US OTC monograph list, so it is treated as a cosmetic ingredient. This is a passive default ("not on any known restricted list"), not an individually verified positive finding.
Sources (2)
- Reference: European Union, 2026
- Reference: Korea MFDS
Red does not mean poison. Preservatives that stop a product going off, UV filters and fragrance can land on yellow or red depending on their score.
Green does not mean right for you. Skin and allergies differ from person to person. Treat the color as a starting point.