title: Permanent hair colorants---vegetable and metallic dyes. II. Metals.
mesh_terms: D004396:Coloring Agents / Q000009:adverse effects*; D006200:Hair Color / Q000187:drug effects*; D006801:Humans; D008670:Metals / Q000009:adverse effects*
chemical_list: D004396:Coloring Agents; D008670:Metals