title: Percutaneous penetration following use of hair dyes.
mesh_terms: D002855:Chromatography, Thin Layer; D004396:Coloring Agents / Q000378:metabolism*; D006197:Hair; D006801:Humans; D012867:Skin / Q000378:metabolism*; D014556:Urine / Q000032:analysis
chemical_list: D004396:Coloring Agents