Summer Hair Trends 2013:
15 Products We Love Under $15
Living Proof Prime Style Extender
Finally, scientists solve an important problem: using the OFPMA molecule to make your blowout last twice as long, so you don't have to spend your life as a slave to your hot tools. More to love: it also detangles and smooths hair's cuticle ($12 for 2oz; sephora.com).