10 Best Heat Protect Serum in The UK

Last updated on 08/08/2025

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Kérastase Chroma Absolu, Heat Protection Serum, Anti-Frizz, For Sensitised or Damaged Color-Treated Hair, With Vitamin E & Lactic Acid, Sérum Chroma Thermique, 150ml

20% Off

Why We Love It

Moisturises and reduces porosity.
Protects color-treated hair.
Enriched with Lactic Acid.

Main Highlights

Sérum Chroma Thermique moisturises, reduces porosity, and protects colour-treated hair from damage caused by external elements. Enriched with Lactic Acid and Centella Asiatica, it coats the hair for more shine, less frizz, and longer-lasting colour
Reduces frizz, protects hair fibres, and preserves colour from damage caused by external elements: UV damage, heat up to 230 degrees C and helps prevent oxidation
To complete your Chroma Absolu routine, apply 6-10 sprays to damp, towel-dried hair. Distribute evenly from root to tip using a comb, do not rinse. Air-dry or blow-dry hair to finish

Fantasia IC Heat Protector Straightening Serum 59.2ml

Free Shipping

Why We Love It

Protects hair from heat damage.
Enhances straightening hairstyles.
Contributes to hair health.

Main Highlights

Fantasia IC Heat Protector Smoothing Serum 2oz
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Kérastase Blond Absolu, Fortifying Heat Protecting Serum, For Lightened and Highlighted Hair, With Hyaluronic Acid and Edelweiss Flower, Cicaplasme, 250 ml

25% Off

Why We Love It

Protects from heat, oxidation stressors.
Restores damaged, split ends.
Nourishes for luminous finish.

Main Highlights

Blond Absolu Cicaplasme is a heat-protective leave-in treatment for highlighted or lightened hair. With Hyaluronic Acid, Edelweiss Flower, and UV filters, it restores damaged fibres, smooths the appearance of split ends, and protects the hair from everyday external elements
Protects the hair from heat up to 230 degrees C from styling tools as well as from oxidation and environmental stressors. Deeply nourishes fibres for a smooth and luminous finish
Apply 2-4 pumps to towel-dried, damp hair. Evenly distribute from root to tip, then style, air-dry, or blow-dry. Can also be applied to dry hair for added moisture and shine

ghd Dramatic Ending - Smooth & Finish Serum (30ml)

Free Shipping

Why We Love It

Transforms dull hair into shiny.
Effortlessly tames and defines curls.
Controls static-induced flyaway effectively.

Main Highlights

Use to smooth, shine and define
Perfect for high impact shine
Lightweight serum that smooths split ends
Taming and defining curls and waves
Controlling flyaway hair caused by static

LOréal Paris Elvital - Silicone-free hair serum, heat protection for long and unruly hair, leave-in hair oil with vegetable proteins and cocoa butter, serum

8% OffFree Shipping

Why We Love It

Nourishes and tames unruly hair.
Delivers anti-frizz effect efficiently.
Suitable for heat styling.

Main Highlights

Nourishing serum for long, unruly hair to protect against frizz and heat when styling with a hair dryer, straightener or curling iron (up to 230 °C) - hair oil for wonderfully long hair
Result: anti-frizz effect, visually longer hair full of suppleness thanks to smoothed hair surface and strengthened hair structure
Application: 1-2 pumps in damp hair before brushing and blow-drying, spread a little serum in dry hair for extra sleep effect
Box contents: 1x L'Oréal Paris Elvital Dream Length No Frizz Serum for the hair, volume: 100 ml
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

John Frieda Frizz Ease All-in-1 Extra Strength Serum 50ml for Thick Coarse Hair

33% OffFree Shipping

Why We Love It

Suitable for thick, coarse hair.
Approved for wet/dry application.
Offers substantial frizz protection.

Main Highlights

For thick, coarse hair
For application on wet or dry hair
Provides 72-hour frizz protection
Resists 90 percent humidity
Heat protection up to 220°C
Safe for colour-treated hair

L'Oréal Paris Elvive Extraordinary Oil Miracle Hair Serum, Intense Nourishment, Up to 6x more Shine, up to 230° heat protection, suitable for all hair types, 100ml

50% OffFree Shipping

Why We Love It

Transforms dry, dull hair.
Provides luxurious shine.
Offers heat protection.

Main Highlights

Leaves your hair feeling beautifully nourished, soft and supple, Weightless finishing touch designed for use by all hair types
How to use: Rub 3 or 4 drops on hair, Apply evenly through wet or dry hair, Apply before shampoo to nourish, before styling to protect and transform, or as a finishing touch for sumptuous softness
Non greasy formula made with luxurious oils: 6 flower oil extracts with nourishing properties for luxurious shine & no flyaways, Heat protection from up to 230°C protection

ORS Olive Oil Heat Protection Hair Serum - 177 ml, Infused With Coconut Oil, For Restorative Shine, With Frizz Free & Fast Drying Formula

Free Shipping

Why We Love It

Ultimate heat protection for hair.
Nourishing coconut oil infusion.
Restorative salon-quality shine.

Main Highlights

ULTIMATE HEAT PROTECTION: Shield your hair from the damaging effects of heat styling with our ORS Olive Oil Heat Protection Hair Serum, ensuring your locks stay healthy and vibrant.
COCONUT OIL INFUSION: Experience the nourishing power of COCONUT OIL as it deeply conditions your hair, leaving it with a lustrous shine and added strength.
RESTORATIVE SHINE: Our innovative formula is designed to restore and enhance the natural shine of your hair, giving you a salon-quality finish that lasts.
FRIZZ-FREE FORMULA: Tame unruly hair and combat frizz effortlessly. Our serum's advanced formulation keeps your hair smooth and sleek, providing a polished look even in humid conditions.
FAST-DRYING EFFICIENCY: Save time without sacrificing style. The fast-drying formula of our hair serum allows for quick and easy styling, so you can achieve the perfect look in no time.

Aussie SOS Heat Defence Leave In Spray 100ml to Detangle and Protect Against Heat While Keeping Hair Hydrated for 100 Hours. Infused with Australian Superfoods. Vegan Formula

50% OffFree Shipping

Why We Love It

Protects from heat damage.
Infused with Australian ingredients.
Nourishes dry, damaged hair.

Main Highlights

BEAT THE HEAT: Aussie SOS Heat Defence leave in spray protects from heat and makes hair easier to detangle
WORRIED ABOUT HEAT DAMAGE? We're throwing an Aussie lifeline to protect your hair from heat and leave it aussomely hydrated
SAY G'DAY TO PROTECTED & AUSSOMELY HYDRATED HAIR; This heat protect spray protects from heated styling and keeps your hair hydated for 100 hours (yep, you read that right!)
VEGAN FORMULA INFUSED WITH AUSTRALIAN SUPERFOODS: Our Aussie SOS range is vegan, free from animal-derived ingredients or by-products and infused with Australian superfoods
THE AUSSIE WAY TO USE: spray from roots to ends through towel-dried hair; Comb it through to distribute evenly; No rinse needed
THE AUSSIE PHILOSOPHY: “There’s more to life than hair, but it’s a good place to start''

L'Oréal Paris Elvital Heat Protection Spray for Long, Smooth Hair, Leave-In Hair Treatment Against Frizz, Without Rinse, With Vitamins and Castor Oil, Dream Length Defeat The Heat, 1 x 150 ml

Free Shipping

Why We Love It

Protects against heat and frizz.
Ensures radiant, easy-to-style hair.
Enriched with vitamins, castor oil.

Main Highlights

Nourishing hair spray to protect against frizz and heat when styling with a hair dryer or straightener (up to 230 °C) - for wonderfully long, smooth hair
Result: 3-day anti-frizz and protection against humidity, detangles hair for easier brushing and styling, radiant shine
Directions for use: 1. Apply the smoothing spray to towel-dried hair. 2. Evenly distributed in hair lengths. 3. Blow dry. 4. Style with straighteners or brush
Leave in spray with vitamins and castor oil, ideal addition to the Dream Length care range
Box contents: 1 x L'Oréal Paris Elvital Heat Protection Spray Dream Length Defeat The Heat . Contents: 150 ml.

8.8

Excellent

We scanned 1446 products

We reviewed these offers relevant to the Heat Protect Serum within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like KÉRASTASE, Fantasia, ghd, L'Oreal Paris, John Frieda, ORS, Aussie, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Heat Protect Serum in the market, we considered we took a deep dive into 7231 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Kérastase Chroma Absolu, Heat Protection Serum, Anti-Frizz, For Sensitised or Damaged Color-Treated Hair, With Vitamin E & Lactic Acid, Sérum Chroma Thermique, 150ml. We love many things about this product by KÉRASTASE. What sets it apart from the competition is Moisturises and reduces porosity, Protects color-treated hair, Enriched with Lactic Acid.
The best value product for most shoppers and where user satisfaction is continuously the highest is Fantasia IC Heat Protector Straightening Serum 59.2ml by Fantasia based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Heat Protect Serum and the best cost-to-value ratio is Aussie SOS Heat Defence Leave In Spray 100ml to Detangle and Protect Against Heat While Keeping Hair Hydrated for 100 Hours. Infused with Australian Superfoods. Vegan Formulaat Aussie with a 50% discount.
Our list of the best Heat Protect Serum is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Heat Protect Serum in The UK

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We scanned 1446 products

We concluded that: