Topical Collagen Helps Restore Youthful Skin
A topical formula with a trio of peptides has been shown to synthesize all major collagen types to revitalize aging skin.
Collagen: The Foundation of Youthful Skin, What Causes Collagen Loss?, Palmitoyl Tripeptide-5, Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7, Collagen Peptides Restore Youthful Skin, Summary, References.