Which component of cement causes allergic contact dermatitis??
Cobalt
Nickel
Iron
Chromium
Ans : D: ChromiumMost common allergen is hexavalent chromium salts.Allergic contact dermatitis more than irritant contact dermatitis.Level of exposure needed for allergic contact dermatitis 100-400 nglcm2.Taarate, glycine, silicone, dapsone, ferrous sulphate causes conversion from chromium (VI) to chromium (III), which is less allergenic.