title: Letter: Safety of hair dyes.
mesh_terms: D000818:Animals; D000840:Anisoles / Q000633:toxicity; D002273:Carcinogens; D004396:Coloring Agents / Q000633:toxicity*; D003358:Cosmetics / Q000633:toxicity*; D006197:Hair; D006801:Humans; D066298:In Vitro Techniques; D051379:Mice; D009153:Mutagens; D010655:Phenylenediamines / Q000633:toxicity*; D051381:Rats
chemical_list: D000840:Anisoles; D002273:Carcinogens; D004396:Coloring Agents; D003358:Cosmetics; D009153:Mutagens; D010655:Phenylenediamines