Because human skin color is mainly related to genetics, the effect of acquired whitening varies from person to person. You can whiten your whole body skin through daily sun protection, internal whitening, skin care whitening and medical beauty etc. 1. Daily sun protection: UV rays have a proliferating and activating effect on human epidermal melanocytes. The skin is very easy to darken after a long time of sun exposure, so daily sun protection should be done. Daytime outdoor sunlight is strong, you can avoid direct skin exposure by wearing long clothes and pants, rubbing sunscreen, playing sunscreen umbrella, etc. to reduce melanin formation and make the skin whiter; 2, internal whitening: vitamin E and vitamin C can inhibit pigmentation, and then achieve the effect of skin whitening. In daily life, you can eat foods rich in vitamin E and vitamin C, such as lemon, orange, tangerine, kiwi and tomato, etc.; 3, skin care whitening: in daily life, patients can use some skin care products containing vitamin C, niacinamide, triglyceride or arbutin to achieve the purpose of whitening; 4, medical beauty: hereditary dark skin is born, and it is difficult to achieve better results through acquired improvement It is recommended to go to a regular beauty salon or hospital dermatology or plastic surgery department for fruit acid resurfacing, photorejuvenation and other projects to whiten.