It is already well known that hair loss has a lot to do with genetics. Now there are many other causes that are ignored by everyone, right in our lives, as long as we pay attention to it, we will keep our hair from harm. 1, bad lifestyle, often not sleep at night and sleep during the day, or 2 – 3 o’clock at night before going to bed. 2, a lot of smoking, alcohol abuse, high fat, high sugar diet. 3, frequent perming and dyeing of hair and long-term tie too tight ponytail defense. 4, work too hard, overload work. 5, the diet is not regular, full a meal hungry meal. 6, fear of hair loss do not wash hair, do not comb hair. 7, excessive dieting caused by malnutrition. 8, long-term use of certain drugs can cause hair loss, such as chemotherapy, interferon, glutathione, lamivudine, adefovir, antibacterial agents, etc. 9, the use of substandard shampoo, or their own hair with strong acid, strong alkali wash.