Second: you don't need to wash your hair every day. As long as it's not hard to wash once every other day or two, you may be a little unaccustomed for the first month or two, and then you will get used to it gradually, because the scalp secretes oil as a protective measure. If you wash it regularly, it will be secreted frequently, which will lead to a habit, so the more you wash it, the more oily it will be.
Third: adjust through diet, mainly to tonify kidney and increase vitality; Mainly includes: black beans, walnuts, black sesame/coix seed, oats, euryales seeds, red beans, medlar and yam; You can cook porridge if you can, or you can ask someone to process it into powder.
Pay attention to health prevention as early as possible. The older you get, the worse your physical recovery ability will be.