In college, my hair was so dull ( lots of heat damage , honey ). At the time, I tried oils and serums, but they just left my fine hair feeling weighed down. Now? My hair is the glossiest it's ever been—and it's strictly because I now know that shine sprays exist.

"A shine spray is really the finishing touch that makes hair look healthy, polished, and more expensive overall. It helps reflect light beautifully, smooth flyaways, tame frizz , and instantly gives the hair a softer, glossier look," explains celebrity hairstylist Harry Josh . "Even the simplest hairstyle can look more elevated with a little shine."

Seriously: If you want hair that looks like you've been taking your fish oil supplements , a shine spray is the way to go.…