collagen amino acids
Collagen amino acids are made from the hydrolysis (breaking down with water) of protein, resulting in a high amount of a single amino acid, hydroxyproline, which serves to increase skin’s moisture levels and smoothness.
References for this information:
Clinical, Cosmetic, and Investigational Dermatology, February 2013, pages 43-49
Amino Acids, June 2012, pages 2,481-2,489
See amino acids
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