Heat Protectant 101: The Foolproof Guide and Our Top Products | Hair.com By L'Oréal

Heat Protectant 101: The Foolproof Guide

Here’s how to keep strands safe and healthy each time you turn up the heat.

Whether you curl your hair for special occasions or flat iron your mane every morning, prepping hair with an effective heat protectant is one of the most critical steps in your hair care routine. After all, it’s not like you’d sit in the scorching sun without prepping your skin with sunscreen, so why would you expose your locks to high temperatures without some sort of buffer?

Heat protectants form a barrier between your hair and your hot tools, reducing damage, cutting down on dry time, protecting premature color fade, and more. We hate to be the bearer of bad news, but the only way to completely protect hair against heat damage is to give up heat styling altogether. However, thermal protectants are a close second to significantly lessening the impact of heat on strands.

What happens without a heat protectant, you may ask? You rough up the hair's cuticle and allow it to receive direct heat damage. This alters the bonds of the hair, manifesting as dryness, breakage, and even a shift in your natural curl pattern if you have coily or textured hair.

Not to worry, though; if you’re looking for the best heat protectants to add to your arsenal, you’ve come to the right place. Keep scrolling to discover the best thermal stylers we offer and stylist-backed tips on how to maximize their use.

Try the Trend: Our Best Heat Protectants for Color-Treated Hair

Redken

Thermal Spray 11 Low Hold

A lightweight, thermal heat protection hairspray that adds shine and reduces frizz.

One size only for Thermal Spray 11 Low Hold

8.5 fl oz

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Kérastase

Blond Absolu Cicaplasme Hair Primer for Blonde Hair

A lightweight, heat-protecting primer for a flawless blonde results.

Select a Size for Blond Absolu Cicaplasme Hair Primer for Blonde Hair

5 fl oz 1.5 fl oz

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Pureology

Color Fanatic Multi-Tasking Deep Treatment Mask for Color-Treated Hair

Intensely moisturizing treatment mask with 21 benefits that restores, protects, and strengthens color-treated hair.

One size only for Color Fanatic Multi-Tasking Deep Treatment Mask for Color-Treated Hair

6.7 fl oz

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L'Oréal Professionnel

Serie Expert Color 10 in 1 Multi-Purpose Spray

This multi-purpose primer spray for color-treated hair boasts 10 benefits.

One size only for Serie Expert Color 10 in 1 Multi-Purpose Spray

6.4 fl oz

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Try the Trend: Our Best Heat Protectants for Natural Hair

Mizani

Style Shifter Society Heat Screen Heat Protectant Spray

Lightweight spray with a UV filter that protects against heat damage up to 450°F.

One size only for Style Shifter Society Heat Screen Heat Protectant Spray

8.5 fl oz

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Mizani

Thermasmooth Style & Style Again

A hair smoothing cream perfect for defining curls.

One size only for Thermasmooth Style & Style Again

5 fl oz

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Mizani

Thermastrength Strength Serum

A lightweight heat protectant serum for natural hair.

One size only for Thermastrength Strength Serum

5 fl oz

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Biolage Professional

Thermal Active Heat Protectant Spray

A heat protectant styling spray.

One size only for Thermal Active Heat Protectant Spray

8.5 fl oz

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Mizani

25 Miracle Milk Leave-In Conditioner

A lightweight leave-in conditioner with heat protection that detangles, calms frizz, and treats damage and dryness.

Select a Size for 25 Miracle Milk Leave-In Conditioner

8.5 fl oz 13.5 fl oz

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Try the Trend: Our Best Heat Protectants for Fine Hair

Redken

Big Blowout Heat Protecting Jelly Serum

A heat protecting gel serum that provides volume and body.

One size only for Big Blowout Heat Protecting Jelly Serum

3.4 fl oz

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Redken

Quick Blowout Heat Protecting Blowdry Spray

A lightweight spray that helps reduce blow drying time.

Select a Size for Quick Blowout Heat Protecting Blowdry Spray

1 fl oz 4.2 fl oz

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Matrix

Total Results Mega Sleek Iron Smoother Leave-In Spray

A hair smoothing spray that doubles as a heat protectant.

One size only for Total Results Mega Sleek Iron Smoother Leave-In Spray

8.4 fl oz

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Try the Trend: Our Best Heat Protectants for Frizzy Hair

Shu Uemura

Netsu Design Blow Dry Cream

A heat protecting styling cream that offers hold.

One size only for Netsu Design Blow Dry Cream

5 fl oz

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Kérastase

Discipline Keratine Thermique Blow Dry Primer

A leave-in treatment that protects against external aggressors, revitalizes frizzy hair, and prevents further damage.

One size only for Discipline Keratine Thermique Blow Dry Primer

5 fl oz

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Redken

Oil for All Multi Benefit Hair Oil Heat Protectant Spray

A multi benefit hair oil for all hair types and hair textures.

Select a Size for Oil for All Multi Benefit Hair Oil Heat Protectant Spray

1 fl oz 3.4 fl oz

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L'Oréal Professionnel

Serie Expert Fluidifier Blow Dry Cream

A multi-benefit, heat protecting blow-dry cream for all hair types.

One size only for Serie Expert Fluidifier Blow Dry Cream

5.1 fl oz

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Kérastase

Chronologiste Thermique Régénérant

Smoothing leave-in for healthy texture & heat protection

One size only for Chronologiste Thermique Régénérant

5 fl oz

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Try the Trend: Our Best Heat Protectants for Damaged Hair

Kérastase

Genesis Defense Thermique Fortifying Blow-Dry Fluid for Weakened Hair

A fortifying blow-dry primer for weakened hair

One size only for Genesis Defense Thermique Fortifying Blow-Dry Fluid for Weakened Hair

5.1 fl oz

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Kérastase

Resistane Ciment Thermique Blow Dry Primer

A strengthening thermal heat protectant for over-processed, weakened, and damaged hair.

One size only for Resistane Ciment Thermique Blow Dry Primer

5 fl oz

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Kérastase

Nutritive Nectar Thermique Blow Dry Primer

A leave-in thermal protectant for dry hair that supports up to 85 percent less breakage from styling tools.

One size only for Nutritive Nectar Thermique Blow Dry Primer

5 fl oz

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Identify your hair type.

Take into account your primary and secondary hair care concerns.

Consider your hair goals.

Think about how you style your hair most often.

Make sure your routine includes staples such as shampoo, conditioner, leave-in conditioner or heat protectant, and styling products.

**The Routine**

Need more proof that heat protectants are a crucial addition to your routine? Watch the video below to see how two different Redken blowout products can yield two gorgeous results!