pepsin-solubilized collagen

英 美
  • 胶原蛋白
    1. Skin should contain elastin as well as collagen.
      应包含皮肤弹性,以及胶原蛋白。
    2. Excess collagen is deposited causing thickening and hardening.
      过量的胶原蛋白沉积下来,引起增厚和硬化。