Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
1-[(4-Methyl-2-nitrophenyl)azo]-2-naphthol is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).
Concern score
This score describes the ingredient's chemical identity — its hazard profile from the published classifications and regulatory status below — not the safety of any product it appears in. Ingredients we have no hazard signal for are labelled “Not assessed” rather than scored.
Concern score 20/100 (minor) · high confidence.
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
No graded sources yet for C.I. Pigment Red 3. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.