There is another advantage of combing your hair with a mahogany comb, that is, Chinese medicine believes that the head is the master of the whole body, and the yang will pass. There are nearly 50 acupoints on the head, such as Baihui, Tang Yin, Fengchi and Dumb Gate. Comb your hair often can massage these acupoints, which has the effects of dredging meridians, promoting blood circulation and qi circulation, clearing heart fire, calming nerves, calming the liver and calming the wind, and eliminating diseases and strengthening the body. Modern medical research shows that frequent contact between comb teeth and hair can produce electrical induction, which is a benign stimulus to scalp peripheral nerves and subcutaneous capillaries. It is beneficial to improve and strengthen the blood oxygen supply of scalp and brain cells, eliminate brain fatigue, improve brain function, make people think quickly and have strong memory, thus delaying brain aging, eliminating diseases and prolonging life. Practice has proved that frequent combing can prevent and treat many diseases such as cold, nervous headache, trigeminal neuralgia, migraine, neurasthenia, hypertension and arteriosclerosis.