When temperatures rise or rain falls, humidity often follows — not the best news for our hair. But there's a product Amazon shoppers and celebrities like Jennifer Lopez use to prevent frizz and create a shimmery shine: . Beauty lovers just can't stop buying it — , someone buys a bottle every five seconds.

Dream Coat battles frizz-causing moisture by coating each strand with an invisible waterproofing layer. Celebrity hairstylist and Color Wow Creative Director Chris Appleton achieves a sleek look he calls "glass hair" on clients including and using the hero product. He even used it to create J.

Lo's stunning . But anyone can spritz it on at home to get silky, frizz-free hair that . "It's an amazing anti-humidity spray that is the key to my glass hair looks, which really weren't possible before this new technology," Appleton tells Yahoo Life.

"It literally transforms texture and gives the most incredible shine to hair." "The key to fighting frizz is all about controlling moisture levels and locking the cuticle down as tight and smooth as possible," Color Wow chemist Joe Cincotta tells Yahoo Life. "Unlike typical serum or oil-based, humidity-fighting formulas that lay down a heavy coat on hair's surface — which deflate volume and leave the hair greasy — Dream Coat uses a groundbreaking, heat-activated polymer technology that is lighter than a feather.

" According to the directions, you'll want to use Dream Coat after washing your hair once it's just damp, not wet. Appleto.