I don't know, it depends ~ If you want to grow your hair faster, shave it every two days with a close-spaced electric hair clipper, and be diligent. This is the same as shaving. The longer, the faster. It is also recommended to rub it with ginger before going to bed. Jiang Ye can promote hair growth and eat more walnuts, black rice, Polygonum Multiflori Radix, glutinous rice, sesame seeds and peanuts. These will keep your hair for about half a year.