The 6 Best Heat Protectants for Fine & Thin Hair In 2021

Read through our list of highly rated heat protectants that shield your hair while you style.

No matter what hot styling tools you’re using—straightener, hairdryer, brush, or wand—continual use could damage your hair. If you’re addicted to straightening your strands or creating beautiful volume and curls, then we have some easy solutions for you. In 2021, heat protectant creams, sprays, and serums are the obvious go-to products to lock in moisture and prevent hair breakage.

By placing a protective layer over the cuticle, heat protectants shield your hair and decrease the amount of moisture that evaporates, so your hair can maintain its lustre. Whatever your hair type, we have recommendations that not only leave your hair shiny and moisturised but even improve the performance of your styling tools and hair products.


ghd Heat Protect Sprayis a necessary product if you’re after heat protection that leaves your hair smooth instead of sticky. Using the ghd Heat Protection System, this product creates an invisible barrier against everyday heat damage. Spritz this beautifully scented spray onto damp or dry hair for a soft and smooth finish. You’ll gladly forget that heavy, crunchy feeling that often comes with using heat protectant sprays.

The versatile ghd Heat Protect Spraynot only protects the hair, but also layers well with other products. Pair the spray with ghd straighteners and stylers for optimal results.

A nourishing heat-protectant cream, perfect for dull, dry hair that’s lost its shine.

Kérastase Nutritive Nectar Thermique 150ml is a thermo-protecting cream that’s perfect for dry, damaged hair. This hydrating leave in treatment is designed to ease styling, defend hair against heat damage, and polish the hair’s surface. Rich in nutrients, this product contains Royal Jelly Extract, Iris Rhizome Extract, and Xylose to oxidize, to soften and protect.

By nourishing the hair fibre with Kérastase's Thermo-seal Glazing technology, this heat protectant reduces roughness and dullness, leaving the hair smooth and shiny. Massage a small amount of this leave-in treatment into towel dried hair before drying or styling for perfected, long lasting results. Kérastase Nutritive Nectar Thermique 150ml is best for those struggling with extra dry hair, damage, and breakage, or any mane in need of some extra nurturing.

Don’t let damage from colour, bleaching, or styling get you down. This heat protectant cream is designed to restructure and revive struggling strands.

Kérastase Résistance Ciment Thermique 150ml protects and rebuilds hair that’s been severely damaged by colouring, bleaching, or heat styling. This pre-styling treatment provides thermo-protection at up to 180°C to help prevent further damage and breakage. Weakened hair will benefit from the Vita-Ciment formula in this hair protectant cream, which contains Pro-Keratin and Ceramid, and works to rebuild and strengthen the hair fibre from the inside.

Kérastase Résistance Ciment Thermique 150ml is a perfect choice if you’re seeking to smooth split ends and flyaways. For beautiful results, apply a small amount to towel-dried hair to accelerate blow-dry time. Before your eyes, this amazing reconstructing formula will resurrect damaged, brittle, or lifeless strands and give you hair hope again!

Frizzy, tangled, or unruly hair? This heat protectant cream will defend your hair against damage and tame your tresses.

Kérastase Discipline Keratine Thermique Creme 150ml is the perfect pre-styling treatment for those fighting frizz. This heat protectant cream is designed to protect, smooth, and detangle even the unruliest hair. Kérastase's Thermo-Seal Technology protects from heat up to 180°C. At the same time, this product smooths the hair with a Morpho-Kératine™ Complex containing Polymers, Ceramides, and Xylose. These ingredients prevent further damage and breakage by strengthening the hair, and work to tame frizz and protect against humidity.

This leave in treatment should be applied to the lengths and ends for the best results. If you have heat- or colour-damaged hair that you want to restore to its former glory, look no further than Kérastase Discipline Keratine Thermique Creme 150ml for gorgeous results.

An affordable heat protectant with a huge list of benefits. This miracle treatment will leave your hair silky, smooth, and soft.

ELEVEN Miracle Hair Treatment is a lightweight heat protectant that adds moisture, strength, and shine to hair that’s lost it vitality. Great for all hair types, this leave in treatment contains Australian Desert Lime, Wattle Seed, and Desert Peach to boost hydration and nourish the hair, allowing you to lock in that shine. Ingredients such as Silk Amino Acids and Glycerine work to reinforce the barrier of the hair cuticle for tresses that are soft and smooth.

Use a pea-sized amount in the lengths and ends of your hair for maximum protection and enhanced volume and body. ELEVEN Miracle Hair Treatment is an easy-to-use, all-in-one product if you’re looking for affordable and effective heat protection.

A beautiful, organic heat protectant that protects, repairs, and soothes the hair naturally.

Aveda Damage Remedy Daily Hair Repair 100ml is the perfect option if you’re looking for a natural, cruelty-free heat protectant that will still give your hair amazing results. Wheat Protein protects hair from heat styling, while Organic Quinoa and Soy Derived Oils repair the hair from the inside out. Using this heat protectant becomes a luxurious and aromatic experience, as it’s scented with organic essential oils such as Bergamot, Mandarin, and Ylang-Ylang.

Aveda Damage Remedy Daily Hair Repair 100ml can instantly repair damaged hair up to 26%, so imagine what it does with consistent use. Look no further for a natural product that gives you gorgeous, lasting results without harming the planet.

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So, let's recap the 6 Best Heat Protectants for Fine & Thin Hair

  1. ghd Heat Protect Spray

  2. Kérastase Nutritive Nectar Thermique 150ml

  3. Kérastase Résistance Ciment Thermique 150ml

  4. Kérastase Discipline Keratine Thermique Creme 150ml

  5. ELEVEN Miracle Hair Treatment

  6. Aveda Damage Remedy Daily Hair Repair 100ml

Brand and product inclusions are at the sole discretion of Adore Beauty’s highly trained Customer Service team. We do not seek or accept payment from brands or individuals listed in our guides.

This article has been updated on 15/02 to replace discontinued products with our recent product recommendations. Brooklyn from our Customer Service team has helped to bring you our most recommended products and up-to-date information.

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