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Hair Care

Is heat protectant necessary when heat styling hair?

by Aaron|November 07, 2024
Bottle of heat protectant sprays from Philip B, Saints & Sinners and OLAPLEX on an orange background.

When it comes to hair care, there’s an entire category of products—sprays, serums, lotions, you name it—that claim to provide your hair with protection from heat tools such as blow dryers, curling irons and straighteners. However, styling your hair can be time-consuming enough as it is. Is this extra step really necessary? We’ll dig into this topic by answering questions such as:

Is heat protectant necessary?

“I would absolutely recommend using a heat protectant when styling your hair with heat tools,” says LovelySkin CEO Dr. Joel Schlessinger, board-certified dermatologist, Mohs surgeon and cosmetic surgeon. “Heating up your hair alters the structure of proteins in each strand, which is what allows you to achieve the results you’re looking for—hair that’s straightened or curled, for example. That said, the heat also damages the outer cuticle of your hair, which can result in hair that looks dull, tangles easily and feels rough to the touch.”

What does heat protectant do?

Heat protectants provide a physical barrier between your hair and the high heat of styling tools to help minimize damage. “The only way to prevent heat damage entirely is to avoid heat styling all together, but heat protectants can help reduce damage by acting as a shield,” says LovelySkin Medical Director Dr. Daniel Schlessinger, board-certified dermatologist as well as Mohs surgeon and cosmetic surgeon.

How does heat protectant work?

Heat protectant products for your hair come in many forms—spray liquids, lotions, serums, gels—and they contain ingredients that coat your hair to reduce the heat that penetrates into each strand. Some heat protectant products—usually called blow-dry aids or accelerators— help your hair dry faster so that you are exposing your hair to heat for a shorter amount of time.

The best products to protect your hair from heat damage

Color Wow Speed Dry Blow-Dry Spray

Color Wow Speed Dry Blow-Dry Spray

This innovative spray is an intermediate step between washing and styling your hair that will help cut down on your total time spent blow drying. After shampooing, conditioning and towel-drying your hair, you’ll spray on this product and comb it through.

Next, you can apply your favorite usual styling products and begin blow-drying. While some blow-dry accelerators use alcohol to evaporate water from your hair, which can be dehydrating as a result, this alcohol-free formula features a polymer technology that acts like shrink wrap to squeeze water out of your hair.

The result? A 30% reduction in dry time without causing damage or dehydration. It works well for all hair types and is especially intended for very long or very thick hair that is typically time-consuming to blow dry.

Pureology Smooth Perfection Heat Protectant Smoothing Lotion

Pureology Smooth Perfection Heat Protectant Smoothing Lotion

Looking for a heat protectant product that also reduces frizz and flyaways? This smoothing lotion from Pureology is up for the challenge. Formulated for fine to normal hair types and safe for color-treated hair, it combines heat protection with lightweight frizz control without feeling heavy or sticky.

A proprietary Thermal AntiFade Complex with vitamin E and xylose sugar protects color-treated hair while camellia oil provides a shine-enhancing boost. An aromatherapy-inspired scent of violet, musk and clove lingers after every use.

PHYTO Repair Heat Protection Spray

PHYTO Repair Heat Protection Spray

Heat defense and hair repair combine in one step with this styling spray for all hair types from plant-based hair care brand PHYTO. It features Keratin A18+, a botanical keratin complex made up of eighteen amino acids.

When sprayed on wet hair, it helps reduce the temperature of your hair during heat styling by 8.6% and protects hair up to 446 degrees Fahrenheit. It also contains marshmallow root extract to enhance shine.

Redken High Hold Heat Protection Thermal Spray

Redken High Hold Heat Protection Thermal Spray

If you regularly style your hair with a curling iron, flat iron or hot rollers, this thermal setting spray will help keep your hair healthy after exposure to high temps. It seals hair cuticles with ceramides and silicone to provide 24-hour frizz protection and heat protection up to 450 degrees Fahrenheit.

Simply spritz it onto your dry or damp hair section by section as you style your hair with a heat iron or rollers. In addition to acting as a heat protectant, it also provides strong hold and shape memory to keep your style in place throughout the day.

L’ANZA Healing Strength Neem Plant Detangling Primer

L’ANZA Healing Strength Neem Plant Detangling Primer

Detangle and protect hair during heat styling with this two-in-one spray primer with a botanically inspired formula. Green algae extract, cactus flower extract, vegan protein, and emollients such as neem plant oil and olive oil all work together to decrease tangles, block humidity, smooth frizz and defend against heat damage. This spray is suitable for all hair types and can be spritzed onto damp hair before blow-drying or heat-styling.

Ouidad Advanced Climate Control Detangling Heat Spray

Ouidad Advanced Climate Control Detangling Heat Spray

Natural curls can benefit from a heat protectant that also conditions and defines. This leave-in conditioner for all curl types hydrates and softens all curl types with glycerin as well as grapeseed, coconut and argan oils. Sericin, a silk-derived protein, also helps lock out humidity and keep frizz in check. It also helps protect your hair from sun damage in addition to heat damage from heat tools.

OLAPLEX Volumizing Blow Dry Mist

OLAPLEX Volumizing Blow Dry Mist

If you have fine hair that’s straight to wavy in texture and tends to look limp, this heat protectant spray from OLAPLEX will help you pump up the volume. This formula helps speed blow dry time, guard against humidity and provides heat protection up to 450 degrees Fahrenheit.

A combination of pea peptides, jackfruit polysaccharides and advanced polymers help boost your hair’s body and bounce. OLAPLEX’s patented bond-building technology helps strengthen and smooth damaged hair by repairing the broken disulfide bonds in each individual strand of hair. As an added bonus, this product also helps extend the life of a professional blowout or refresh second-day hair when used at the roots.

Philip B. Thermal Protection Spray

Philip B. Thermal Protection Spray

This super-light heat protectant from Hollywood hair care brand Philip B. helps guard against damage without weighing down your hairstyle. A blend of botanicals—oat peptides, safflower oleosomes, mongongo oil and artichoke leaf extract—form a barrier between your hair and your heat tools and seal in much-needed moisture. You can use it on either wet or dry hair before styling, and its sweet and woodsy oud fragrance will linger throughout the day.

Saints & Sinners Velvet Divine Styling Potion

Saints & Sinners Velvet Divine Styling Potion

This styling lotion is safe to use on all hair types, including hair extensions and hair that’s color-treated or keratin-treated. A blend of shine-enhancing silicones and humidity-resistant humectants help protect your hair from thermal damage and keep frizziness in check.

You can apply it to wet hair before heat styling or use it on dry hair to tame flyaways. Saints & Sinners products are known for their fragrances, and this formula has top notes of jasmine and leafy greens, middle notes of orange blossom and tuberose and base notes of amber and white musk.

Are you curious about hair supplements? You can learn more about what vitamins and supplements are good for hair growth on the LovelySkin Blog.

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About the Author

Aaron serves as Editor at LovelySkin. Since graduating from the University of Nebraska at Omaha in 2016 with degrees in Creative Writing and English, he has immersed himself in the beauty industry. When he’s not writing about the latest beauty trends, he spends time cuddling his dogs, scouring antique stores, playing tennis and hiking.

Other Posts by Aaron

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