There must be a limit. There is a "hair comb" in Thirteen Methods of Health Preservation written by Sun Simiao, a famous doctor in the Tang Dynasty. Combing one's hair frequently is a kind of health care exercise that is beneficial to hair growth and hair care, but everything should be controlled, so should combing one's hair, and there should be a reasonable limit. The survey shows that if you comb your hair 50 times, even more than 100 times, it is easy to increase the burden on your hair and damage your hair. Not only can not achieve the effect of massage, but also stimulate sebaceous glands, make hair roots too greasy, and make hair ends dry and broken. The appropriate and reasonable "hair comb" is: rub the palms together for 36 times to make them warm, then sweep them up from the forehead and through the back of the head to the neck. Do it 10 times in the morning and evening.

Chinese medicine believes that the head is not made up of body Chinese medicine, but a place where the body's pulse and yang qi converge, with more than 40 acupoints and multiple veins. Combing your hair often can dredge meridians and promote blood circulation. If you feel tired, combing your hair for a few minutes can effectively relax. In ancient times, people thought that hair was the embodiment of blood in the body. Combing your hair often can speed up the blood circulation of the scalp, so that the cells on the scalp can get sufficient nutrition and the hair quality will be better. Combing your hair often can enhance friction and finally achieve the effect of dredging veins. In this way, the hair can also get enough nutrition, and the hair quality will get better and better, with beautiful black hair. What are the advantages of combing your hair often? In addition to protecting hair, it can also effectively protect health. In addition to improving eyesight, it can also relieve headaches, prevent colds, and even help the body lower blood pressure and reduce the possibility of brain diseases. In the busy work and study breaks, combing your hair often can also pray for health care and refreshing, contact fatigue, and even delay brain aging.