Prose Pre-Shampoo Hair Mask You probably don't pre-treat your hair before shampooing too often, but Prose Pre-Shampoo Hair Mask ($38) is here to make you reconsider that. The products is available for you to customise with ingredients like jojoba oil, silk proteins, and mango extract for your personal hair needs. Image Source: prose.com Prose Pre-Shampoo Hair Mask $38 from prose.com Buy Now