The 12 best heat protectant sprays for every hair type and style

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  • Heat protectant sprays are necessary to maintain healthy locks while styling. 
  • These sprays are especially important for people with thick, long or color-treated hair. 
  • We spoke to experts about what a head protectant is and how to use it properly.

If you frequently use heat-based tools or dryers to style your hair, heat protectants are an absolute necessity. These sprays add a barrier that coats the hair follicle so that heat-styling tools don’t burn your strands or zap away moisture. 

“Often the product will have a formula that will coat the hair shaft and offer heat protection up to 428-degrees,” says Penny James, a trichologist and owner of Penny James Salon. “Then a smoothing effect on the cuticle to give the shine.”

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When you continuously use high heat on your hair, it can cause the hair’s keratin proteins to break down and the hair cuticle to crack. It can also cause all moisture to evaporate from the inside-out. For color-treated hair it can even cause the pigments to adopt an unflattering brassy tone. Heat protectants work by forming a very thin film over the follicle of the hair that acts as a protective barrier. 

We spoke to James and celebrity stylist Dimitris Giannetos, who regularly works with Camila Cabello and Meghan Trainor, to find out how you should be using heat protectant sprays in order to make your style last. You can check out their tips here, but first, read on for the best heat protectant sprays we’ve tested. 

These are the best heat protectant sprays in 2021:

Davines Hair Shield

This is one of the best options if your hair is really dried out from past damage — or from putting off a haircut. It’s intended to be applied to damp hair, so it’s best used directly out of the shower. Like the name suggests, Bumble Bumble’s Hairdresser’s Invisible Oil also contains lots of oils so that moisturize your hair and keeps frizz at bay— even if you’re going to be outside or exposed to humidity. It also protects against UV rays and even works as a detangler. 

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