You’ll typically see biotin in one of two forms: either as a supplement or as an ingredient in a topical ... beneficial for ...

Active ingredient(s): vitamin A 750 mcg (83% DV), vitamin C 100 mg (111% DV), biotin 2,500 mcg (8,333% DV), zinc 11 mg (100% DV), copper 0.9 mg (100% DV) Active ingredient(s): vitamin A 750 mcg ...