The effect of whitening varies from person to person, usually you can take the following ways to whitening: 1, sun protection: ultraviolet rays in the sun have a proliferative activation effect on the melanocytes in human skin, so that the exposed parts of the skin shows excessive pigmentation, so the sun will make the skin darker. Want to whitening to try to avoid direct sunlight, such as applying sunscreen, sun umbrella, etc.; 2, sufficient water: body water deficiency will lead to poor skin elasticity, and even dark spots, to ensure adequate daily water intake on the skin also has a certain whitening effect; 3, supplement vitamins: vitamin C, vitamin E has a certain antioxidant, pigment reduction, inhibit the role of melanin formation, the right amount of vitamin supplement can The right amount of vitamins can help skin whitening; 4, regular rest: maintain adequate sleep, sleep deprivation will lead to dull skin without luster, and sufficient sleep can regulate skin metabolism, discharge harmful substances, which will help skin whitening; 5, whitening products: you can use cosmetics or products with whitening effect. These products usually contain substances such as inhibitors of tyrosinase, exfoliators of keratin, and inhibitors of melanin transfer to the stratum corneum to help whiten the skin. It is recommended not to blindly and excessively pursue whitening, but to keep healthy is most important. Medical cosmetic and pharmaceutical approaches to skin whitening need to be done under the guidance of a doctor, do not follow blindly.