The main reasons for greasy face are the following: 1, the face sebaceous gland hypertrophy will cause the skin oil secretion, oily skin patients usually need to wash their faces diligently, you can use foam cleaning strength of the cleanser, must be hydrated and moisturized, life to reduce eating spicy, greasy food, eat more light, lipid-absorbing food, such as celery, cucumber, etc. 2, bad habits of life, long hours on the computer, cell phone screen The face is prone to oil caused by radiation, pay attention to moisturizing, you can put a bottle of moisturizing water in the desk, spray every 3 hours, can reduce facial oil. 3, exercise sweating can also reduce oil secretion, can also improve endocrine. 4, inappropriate application of skin care products, the use of too much greasy or hormonal ingredients of the mask, will lead to local imbalance of oil secretion, face gray, oily.