While supplies last, this 7-pc. set of Color Swypes temporary haircolor drops from $89 to $56 to $50.40 when you click through this link to activate a 10% sitewide discount at Fab.com. Plus, shipping is free. The set includes seven different-size Color Swypes with built-in applicator, which retail at up to $20 individually elsewhere. Unlike hair chalks, Color Swypes are made with a water-soluble wax and oil mixture that stays in until it's shampooed out. Note that you must have a Fab.com account to check out, but registration is fast and free. There is no sales tax (except in NY, NJ, and Canada).