10 Best heat protectant for straightening hair in Canada

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Last Updated - 2025/10/12

Best Choice

01
Moroccanoil

Moroccanoil Perfect Defense Heat Protectant, Travel Size, 2 Fl. Oz.

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Main highlights

Weightless, no,hold spray blends seamlessly into any existing styling regimen to protect hair from hot tools.
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9.7

Exceptional

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02
Fantasia

Fantasia Hair Polisher Heat Protector Straightening Spray, 6 oz

8.0 Aroma

8.0 Drying ability
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Protects hair against damage from blow dryers, flat irons and other hot tools
Maintains the perfect moisture balance while using heat appliances
Leaves hair smooth, frizz free and shiny even in humid conditions
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9.6

Exceptional

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03
Garnier

Garnier Heat Protectant Spray For Damage, Frizz Control Product, Prevents Breakage, Without Sulfates, Parabens or Mineral Oils, Cruelty Free, Whole Blends Hair Honey Milk, 250ml

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Natural ingredients: Infused with acacia honey and beeswax, ensuring hair resilience against breakage and frizz, free from harmful sulfates, dyes, parabens, and more.
Immediate results: Notice the transformative difference from the very first application, revealing incredibly smoother, shinier, and much more manageable hair.
Ethical considerations: All Garnier products, including this spray, are proudly Leaping Bunny approved by Cruelty Free International, and are completely vegan and animal-free.
Easy application: Whether you're blow drying, straightening, or curling, our Hair Honey Milk works seamlessly with your routine, offering the ultimate heat defense every time.
230°c heat protection: Experience up to 100h anti-frizz, effortless blow drying, robust breakage prevention, 100 hours of nourishment, and zero weigh-down.
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9.3

Excellent

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Value for Money

04
L'Oreal Paris

L'Oréal Paris Advanced Hairstyle SLEEK IT Iron Straight Heatspray, 5.7 fl. oz. (Packaging May Vary)

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8.7 Drying ability

8.7 Aroma

8.0 Moisturizing
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Lightweight Heat Protectant Spray
Calms Frizz, Seals in Shine
Anti-frizz Spray For All Heat Tools
3 Day Sleek, 450 Degree Heat Protection
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9.2

Excellent

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05
L'Oreal Paris

L'Oréal Paris Hair Expertise Dream Lengths Heat Slayer Hair Treatment, Heat Protectant Spray for Hair, Leave-In Against Frizz, 130ml (Packaging May Vary)

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9.3 worth the money

9.1 Aroma

8.9 Gentle
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Reduces frizz, Keeps hair hydrated, moisturized, smooth and sleek for up to 3 days, Fights humidity
Lightweight formula, Enriched with Castor oil and Vitamins, Anti-frizz control
Leave-in spray to protect hair from heat damage caused by styling tools, Provides up to 230 C / 450 F protection, Ideal for all hair types
How to Use : Separate hair into 3 even sections, Apply on clean damp hair, Spray evenly about 15-20 cm away from hair, Flat-iron or style as usual
Content: 1x L'Oréal Paris Dream Lengths Heat Slayer Spray, Pre-Iron Heat Protectant, Lightweight, Nourishing Formula, Volume: 130ml
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9.0

Excellent

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06
Garnier

Garnier Fructis Style Sleek & Shine Flat Iron Perfector, 177 mL

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8.4 Aroma

8.0 Drying ability

8.0 worth the money
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This Powerful Straightening Mist With Argan Oil From Morocco Protects Your Hair From The Heat Of Your Flat Iron, While Taming Frizz To Seal In Smoothness And Shine For A Lasting, Sleek Finish
Heat Protection and 72Hr Straight Finish Introducing Our Strongest, Frizz-Taming Straightening Mist, With Argan Oil, For The Perfect, Sleek Style That Lasts 72 Hours
Heat Protection and 72Hr Straight Finish
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8.9

Very Good

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07

Fantasia

Fantasia High Potency IC Heat Protector Straightening Serum, Hair Polisher, 6 oz.

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8.8

Very Good
08
Marc Anthony

Marc Anthony Anti-Frizz Shield Ultimate Blowout Spray, Grow Long - Smooth, Shiny Hair in High Humidity - Heat Protectant - 200 ml

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UP TO 72-HOUR ANTI-FRIZZ HUMIDITY SHIELD: The heat activated formula creates a lightweight, hydrophobic anti-frizz shield around each strand, forming a virtual umbrella effect around your hair to lock in sleekness and repel humidity for up to 72 hours*; even through multiple washes.
THE ULTIMATE SMOOTH BLOWOUT THAT DEFIES HUMIDITY: From Marc Anthony True Professional, get a frizz-free salon blowout with a smooth, glossy, featherlight finish with up to 72-hour humidity resistance*. For all hair types, transform unruly, frizzy hair into smooth, sleek perfection.
SMOOTHNESS THAT OUTLASTS THE LEADING SALON BRAND: Grow Long Anti-Frizz Shield Ultimate Blowout spray delivers frizz and humidity resistance that outlasts the leading salon brand, even in 80% humidity*. (*72-hour humidity chamber anti-frizz testing. Ultimate Blowout vs untreated hair vs leading salon brand)
PROTECT AS YOU STYLE: Doubling as a heat protect spray, it reduces blow drying time and protects against heat up to 450°F. Clinically proven to reduce breakage from thermal damage, it promotes stronger, longer hair. Infused with a blend of Caffeine, Biotin, and Ginseng, it conditions hair, leaving it softer, shinier, and healthier looking. This product does not grow new hair.
HOW TO USE: Heat activated formula. Apply to clean, towel-dried hair. Section hair and spray generously, ensuring even distribution from roots to ends. Blow-dry using heat, applying tension for optimal smoothness. For added styling, you may use a flat iron or complementary products once hair is fully dry.
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8.7

Very Good

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09
Pantene

Pantene Pro-V Heat Primer Thermal Heat Protectant Spray, 215 mL

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UPDATED FORMULAS no alcohol, parabens, waxy residue, stickiness or crunchiness for a lightweight, touchably-soft finish
SMART INGREDIENTS crafted with micro-polymers to help shield strands from damage and enhance healthy shine
RE-STYLE WITHOUT WASHING spritz day 2 or 3 hair with heat primer for renewed thermal protection to restyle
PROTECT YOUR STRANDS: protects from thermal heat up to 450 degrees
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8.6

Very Good

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10
TRESemmé

TRESemmé Keratin Smooth Weightless Silk Serum for heat protection, manageability, shine and hair smoothing salon quality 97 ml

9.5 worth the money

9.3 Gentle

9.3 Aroma
Main highlights

The TRESemmé Keratin Infusing Smoothing Serum helps to eliminate frizz and seals in shine for a polished, smooth look.
TREND LED, RIGOROUSLY TESTED: Our hair care experts are at the forefront of science & safety. Each ingredient in our hair serum is carefully selected to ensure your hair gets the best possible care.
INTENSE SALON SHINE: This smoothing serum treatment helps seal in shine for a smooth, polished look
IMPROVED MANAGEABILITY: Our hair smoothing serum contains keratin for silky smooth hair that is healthy and polished, while also protecting from heat during blow drying
Helps eliminate frizz and Illuminates shine
HAIR SMOOTHING SERUM: TRESemmé Keratin Smooth Weightless Silk Serum helps you to achieve the glossy look of a professional blow-dry style that is full of natural movement
HAIR CARE TIPS FROM OUR STYLISTS: Dispense hair serum into palm of hand and rub hands together. Apply from the mid-lengths of damp hair through to the ends. It can also be used on dry ends.
DO IT WITH STYLE: With professional quality hair products such as Keratin Smooth Weightless Silk Serum, you can create your personal style to achieve your aspirations with confidence
Controls frizz for up to 48 hours
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8.3

Good

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