make sure that the temperature of your private home’s water heater is not above 120f. if you have access to a sink, you should at least try to wet your hair even if you don’t have shampoo. however, depending on your start up cost needs, this can still be a substantial amount of money. bring your documents to either retail location listed below. then, use your regular shampoo to rinse the spray away. we listen to the needs of our customers and react accordingly. thus, we make sure that you will get the same treatment or service as you desire. 