This is a wash out treatment that will help stimulate hair growth. This also will help prevent and help itchy scalp problems. This is a hair detox that will help remove all impurities and build up of your scalp. This product takes away dirty hair smells. This will allow all products you use from me and others to have maximum results. For a extra strength custom scalp treatment it's a additional $10 that helps with dandruff / psoriasis / dermatitis.