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 colls can directly penetrate into the bottom layer of the skin, and have good reconciliation with surrounding tissues, which can help cells to produce syn coll and promote the normal growth of skin cells. It also has anti-inflammatory and skin rejuvenating properties.