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 acid
About the Experts
Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:
The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!