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In regards to skin, biotin is a B-vitamin that improves keratin levels in the body. Keratin contributes to the formation of collagen and forms a layer on the skin surface to keep it hydrated and protected.
Best Vitamins for Beauty
In regards to skin, biotin is a B-vitamin that improves keratin levels in the body. Keratin contributes to the formation of collagen and forms a layer on the skin surface to keep it hydrated and protected.