ional, the application will also more and more widely.
Collage is a main structure of the skin elasticity organization, it represents close to30% ofbody protein ,and the 70% of skin protein.Mantain the number of collagen is the key to a beautiful skin .Glycine ,proline,and hydroxyproline is the main of component of collagen ,hydroxyproline is new skin collagen of the essential amino acids,and can make the relaxation of tightening connective tissue ,organization,tight,increase the elasticityof t