ORDER: "Here is my idea : you wish to wash your hair as it is very dirty and want to do it in a strong way to clean it well. So you fill the bathtub completely up to the top. You are outside of the tub, bent over it and head forward, just wearing underwear. So you start wetting your hair by dunking your head underwater, several times. Each time, you go very deep under, water reaching up to your chest / breasts. You stay under for at least 20 seconds each time, and blow little bubbles from time to time. After several times dunking, first shampoo. You rinse it by again doing ... Show more