- Jul 22, 2017 -
Collagen is a kind of functional polymer protein is a major component of the skin accounted for 80% of the dermis of the skin in which a fine elastic net firmly lock moisture skin support. Collagen is composed of 3 peptide chains twisted into a spiral fibrous protein is the most abundant in the body content of protein is widely distributed in the connective tissue, skin, bone, muscle and interstitial cells in the gut cavity, ligaments, and other parts of the human sclera accounted for about 30% of the total protein and it is rich in the human body needs proline and hydroxyproline in collagen characteristics of amino acids is human cells especially in the extracellular matrix of the skin collagen is an important part of the beauty industry in developed countries the most popular beauty care products.
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