Actually trivalent chromium is an essential nutrient (trace amounts). Hexavalent chromium is the "bad" chromium. Chromium metal is not considered a health hazar

Actually trivalent chromium is an essential nutrient (trace amounts). Hexavalent chromium is the "bad" chromium. Chromium metal is not considered a health hazard. Chromium salts (chromates) can cause allergic skin reactions.