Of course. Doing a five-tooth comb once a day can speed up the blood circulation of the scalp, prevent hair loss and prevent aging. Five-tooth comb on the head Do a five-tooth comb every morning and evening for no more than ten minutes, which can improve the nutrition of hair follicles and promote hair regeneration. If you can persist for a long time, you haven't improved the quality of sleep and slowed down the aging of the brain.