2. Collagen accounts for one third of the protein of cells and controls all the forces of skin health. The dermal tissue that controls skin elasticity is mainly composed of collagen fibers and elastic fibers.
3. The amount of collagen affects the elasticity and luster of skin.
4. Collagen makes skin tend to be neutral. Under the interaction of water retention and firming, it can improve secretion state, shrink pores of oily skin, keep dry skin moist, and make skin tend to be tight and delicate neutral skin.