At the same time, the feature of syn colls that "lose weight without reducing breasts" is unmatched by other slimming methods. syn coll is the main component of connective tissue. In connective tissue, syn coll and polysaccharide proteins are often intertwined into a network structure, which produces a certain mechanical strength.

Syn coll is a kind of repairing syn coll, which mainly locks the moisture of the skin, enhances the elasticity of the skin, prevents skin aging, dryness and relaxation, whitens the skin and delays aging.