Its main function is to exfoliate and firm the skin. Contains hesperidin, citric acid, malic acid, tannin and other ingredients. These fruit acids can improve skin quality, remove aged keratinocytes, make skin soft and young, and change rough and inelastic aged skin. Firming skin: rich in vitamin C, it can increase the synthesis of skin connective tissue, especially collagen, and maintain skin elasticity. Regulate sebaceous gland function, prevent dry skin and reduce wrinkles. Through the absorption of iron, it can promote the synthesis of tetrahydrofolate and stabilize vitamin B 12, and indirectly promote the synthesis of hemoglobin, which can improve blood color, shrink pores and tighten skin.