Oooooo hair convo. Ok so as a guy it really depends. It depends how oily it is and ur life style. Also hair type matters as well. Straight hair looks a lot diff than curly hair after a wash. Like curly hair gets hella frizzy and needs more care so you should wash it less and put more effort in when washed. Longer hair also needs to be washed more than shorter hair bc the oils reach the ends faster. You can also use rosemary oil to help with this process as well. Lifestyle matters too
Beach bum needs to wash there hair more often that somebody who just chills and plays video games yk. Need more details for a good answer. But that give general overview. Lady is ask ChatGPT for a hair routine and make sure to put in all relevant data when you do and it can give a decent idea