Hair cleaning frequency can not be generalized, and personal skin nature, season, work environment, etc. are related, such as dry hair crowd, can be 2-3 times a week; oily hair crowd in summer can be cleaned once a day, winter can be cleaned once every 2 days. Scalp and facial skin, normal secretion of oil, usually dry skin people can not over wash hair, so as not to cause dry scalp and hair, itchy, it is recommended that 2-3 days 1 time, and need to use moisturizing shampoo. While oily skin people, scalp easy to oil, hair often show greasy, sticky state, need to 1 day 1 wash or 2 days 1 wash, and need to apply to remove grease shampoo. Since silky hair is a sign of a person’s health, reasonable hair care is very important, so it is recommended that we try to minimize the daily perm, hair coloring, and other hair care operations that may aggravate scalp and hair damage.