Ouai Scalp and Body Scrub The Ouai Scalp and Body Scrub ($38) works on your body and your head as the foam deep-cleans dead skin cells in both places, unclogs pores and follicles, and offers moisture where it's needed most. It can serve as a hair prewash to help remove product buildup while it's also used to polish and cleanse your body without drying either out. Image Source: sephora.com Ouai Scalp and Body Scrub $38 from sephora.com Buy Now