Hair is a symbol of beauty and health, many people who love beauty, always love to add elegance to their own hairstyle. But what physique can adopt what hairstyle, must be based on their own conditions to decide, otherwise it will hurt the hair affect the beauty. In the clinic found that a part of the hair loss patients, is because of long-term inappropriate, incorrect long hair, which led to hair loss gray hair. And lead to hair follicle atrophy can not be cured. What kind of people are suitable to stay long hair, I would like to make a few suggestions for reference. 1, first of all, must have a healthy body, no major diseases, no history of insomnia, no hair loss, gray hair family history. 2, the age of 18 years old – between 35 years old. 3.Hair growth is dense, black, shiny, soft and elastic. 4.Not engaged in excessive pollution work and not engaged in heavy physical labor workers. 5, stay long hair after the hair density uniformity is not sparse, not dry and not split, no gray hair. Teenagers who have early gray hair still have to stay long hair, will only accelerate the increase of gray hair and even cause hair loss.