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Biotin, a B vitamin which may prevent nail brittleness and promote healthy hair and improve skin condition
Collagen, a major structural protein of connective tissues
Grapeseed Extract, a powerful antioxidant
Glycine, an amino acid that works in conjunction with collagen to promote skin moisturization
L-Cysteine, an amino acid that promotes the formation of keratin, a major protein in hair, skin and nails