The causes of facial oil vary from person to person, mainly for the following reasons: 1, adolescent facial oil, due to increased secretion of hormones in the body, sebaceous glands secretion, usually eat more fresh fruits and vegetables, do not eat meat, greasy food, can make the symptoms improve. 2, long-term use of oily cosmetics, can not be absorbed by the skin and lead to a very oily face, choose the right cosmetics for you can make the symptoms disappear. 3, facial The oil balance imbalance leads to facial oil, can not use oil control products or will be more and more oily, it is recommended to use hydrating milk and cream, facial skin oil balance after the symptoms of oil will disappear on their own. 4, usually eat greasy, spicy food more, long-term stay up late, long time to face the computer, cell phones and other electronic products, will also lead to increased facial oil secretion, so that the face looks very oily, according to the specific case of symptomatic treatment.