4-Hydroxyindole, When Used As A Substance In Hair Dye Products
AvoidFlagged by regulators or research.
What we found
Prohibited in cosmetic products — EU Cosmetics Regulation 1223/2009 Annex II
Source: EU Cosmetics Regulation 1223/2009, Annex II ↗Also labeled as: 2380-94-1, 219-177-2, 4-Hydroxyindole
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