1, facial whitening: Pay attention to facial hygiene, wash your face with warm water and facial cleanser in the morning and evening, exfoliate regularly and clean it well. Use whitening or hydrating mask to brighten skin tone, replenish water, and apply skin care products with whitening effect;

2, sun protection: sun protection is the basis of whitening, ultraviolet radiation can easily make the skin black, daily umbrella, sunglasses, sun hat, sunscreen, sunscreen spray and so on. ;

3, work and rest: work and rest should be regular, try not to stay up late, staying up late will lead to endocrine disorders, which may cause skin blackening, poor mental state, digestive system problems and so on. ;

4, diet: you can eat vegetables and fruits rich in vitamins, such as cucumbers, tomatoes, kiwis, lemons and so on. And foods with more collagen, such as sheep's calf, pig's trotters, beef tendon and the like. This diet can assist other methods to achieve whitening effect together.