This leave-in treatment from Color Wow seals hair for up to 72 hours, or up to two to three shampoos, providing unparalleled shine. Its unique formula uses a heat-activated polymer that compresses, firms and seals the hair fibre. When heated with a hairdryer, this spray coats each strand with an invisible water-resistant film that repels moisture while eliminating frizz. The result is protected hair that is incredibly shiny, soft and more manageable. Unlike conventional treatments, Dream Coat does not weigh down or add grease to your hair. Revolutionary.