Whitening is pursued by many people and can improve people’s beauty. The most effective ways for students to whiten their skin are mainly the following: First, eat more vegetables and fruits rich in vitamin C, such as kiwi, apple, tomato, cucumber, peach, lemon, cabbage, etc. Vitamin C has a good whitening effect. Second, you can use the mask of whitening, choose the mask containing hyaluronic acid, vitamin C ingredients, put it on the skin, each time lasts 15-20 minutes, and last for several months with certain effect. Third, laser treatment, students over 18 years old can go to the hospital to do photorejuvenation, photorejuvenation can promote subcutaneous collagen regeneration, slow down pigmentation, so that the skin becomes tender, white and bright. Fourth, make sure to get enough sleep, rest, don’t stay up late and avoid spicy, greasy and stimulating food.