Just wash the face is very white after a while on the yellow with skin dehydration, keratin accumulation, skin oil, keratin oxidation and other reasons, you can pay attention to skin hydration, pay attention to cleaning, choose a mild cleanser, usually pay attention to rest and skin care. 1. Skin dehydration: when the skin is dehydrated, it will secrete a lot of oil to protect the skin, oil oxidation face looks yellow, it is recommended that this time to timely hydrate the skin, such as applying moisturizing cream. 2. keratin accumulation: just after washing the face is very white after a while on the yellow may be the old waste keratin accumulation in the skin surface, resulting in the skin looks more yellow. It is recommended that you choose a gentle cleanser. 3. Skin oil: just wash the face is very white after a while on the yellow may be related to the skin oil, when the skin is oily face easily stained with dust and other debris, long time not clean the face is easy to wax. It is recommended to do a good job of cleaning the face skin, clean the face every morning and evening. 4. keratin oxidation: just after washing the face is very white after a while on the yellow also with the skin keratin oxidation, especially long-term on the cell phone computer, etc., keratin oxidation skin looks more yellow. Usually to rest more, do not stay up late, every day to do a good job of skin care. Just wash the face is very white after a while on the yellow can be based on their own reasons for targeted solutions, such as their own solution, you can go to the hospital to find dermatologist guidance.