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Best Hair, Skin and Nail Supplements 2023: Do They Work?

Aesthetics Advisor

Factors That Can Compromise the Health of Your Hair, Skin and Nails Healthy hair, skin and nails depend on three main structural proteins: solubilized keratin, collagen peptides and elastin. Says Harvard Health: "In April 2012, the FDA issued a warning on finasteride. One of the most notorious is that it can suppress sexual function.