Welcome to our breakdown of the 28 best KMS Thermashape Hot Flex Spray dupes and alternatives.
Looking for dupes for a different product? You can use our Dupe Finder to search for them!
If you'd like to see the all of the KMS dupes that we've found, check out our best KMS dupes guide.
We use hundreds of science-backed factors to find you the best dupes.
Learn more about our dupe methodology
Our Roundup
Here's a quick roundup of our findings. Continue reading for the full breakdown!
Blowpro's Heat Is On Daily Primer is the dupe with the most similar ingredients. Our matching methodology puts it at an 44% ingredient match!
Of all of the dupes for this product, Wella's EIMI Thermal Image Heat Protection Spray is the most liked by our community. Our matching algorithm puts it at an 60% overall match!
- Blowpro Heat Is On Daily Primer 1
- REDKEN Thermal Spray Low Hold 2
- Design Essentials Agave And Lavender Blow-Dry And Styling Primer 3
- REF Stockholm Heat Protection Spray N230 4
- Garnier Sleek & Shine Flat Iron Perfector Straightening Mist 5
- Paul Mitchell Hot Off The Press Heat Protectant 6
- Sim Sensitive DS Heat Protection Spray 7
- IDA WARG Beauty UV & Heat Protection Spray 8
- Spa Luxury Professional Heat Defense Spray 9
- Wella EIMI Thermal Image Heat Protection Spray 10
- Purely Protection 2 UV - OG Varmebeskyttelse Spray 11
- Four Reasons Professional Heat Shield 12
- Superdrug Extracts Mallow Flower Heat Protection Spray 13
- ISANA Hitzeschutz Spray 14
- R & Co Chainmail Thermal Protection Styling Spray 15
- Matrix Stylelink Heat Buffer 16
- Sachajuan Heat Protection Hair Cream 17
- Four Reasons Original Heat Styler 18
- Davines This Is A Primer 19
- Hjärtligt HS Värmeskydd 20
- Aussie SOS Heat Saviour Conditioning Spray 21
- Hjärtligt Heat Protection 22
- Bed Head by TIGI Some Like It Hot Heat Protection Spray for Heat Styling 23
- Kiss Colors & Care Anti-Reversion Heat Protector Keratin Spray 24
- Nanoil Heat Protectant Spray 25
- Not Your Mother’s Beat the Heat Thermal Styling Spray 26
- Softsheen-Carson Dark & Lovely Blowout Heat Shield Primer Mist 27
- Balea Hitzeschutzspray 2-Phasen 28
Overview
What it is
Heat protectant with 18 ingredients
Cool Features
It is vegan, cruelty-free, fungal acne (malassezia) safe, and reef safe
Suited For
It has ingredients that are good for dry skin and scar healing
Free From
It doesn't contain any oils, parabens or sulfates
KMS Thermashape Hot Flex Spray
66% match
with the ingredients and function of Blowpro Heat Is On Daily Primer
Dupe Explained
These products are both cruelty-free heat protectants that contain. They've got a total of 10 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $21.01 more expensive than the original product.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
REDKEN Thermal Spray Low Hold
64% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin.
Both products are also reef safe.
Price Comparison
This dupe is $0.00 more expensive than the original product.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Design Essentials Agave And Lavender Blow-Dry And Styling Primer
64% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $15.01 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
REF Stockholm Heat Protection Spray N230
63% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 10 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $8.75 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Garnier Sleek & Shine Flat Iron Perfector Straightening Mist
63% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin.
Both products are also reef safe.
Price Comparison
This dupe is $22.64 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
KMS Thermashape Hot Flex Spray
62% match
with the ingredients and function of Paul Mitchell Hot Off The Press Heat Protectant
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 7 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also fungal acne (malassezia) safe and reef safe.
Price Comparison
This dupe is $3.00 more expensive than the original product.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Sim Sensitive DS Heat Protection Spray
62% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both cruelty-free heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols and silicones.
They're both likely to be good for dry skin and scar healing.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
IDA WARG Beauty UV & Heat Protection Spray
61% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Spa Luxury Professional Heat Defense Spray
60% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 6 ingredients in common.
They both do not contain any parabens or sulfates. They both contain silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Wella EIMI Thermal Image Heat Protection Spray
60% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both cruelty-free heat protectants that contain. They've got a total of 6 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also fungal acne (malassezia) safe.
Price Comparison
This dupe is $7.01 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Purely Protection 2 UV - OG Varmebeskyttelse Spray
59% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both cruelty-free heat protectants that contain. They've got a total of 5 ingredients in common.
They both do not contain any oils, parabens or sulfates.
They're both likely to be good for dry skin and scar healing.
Both products are also fungal acne (malassezia) safe and reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
KMS Thermashape Hot Flex Spray
59% match
with the ingredients and function of Four Reasons Professional Heat Shield
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Superdrug Extracts Mallow Flower Heat Protection Spray
59% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
ISANA Hitzeschutz Spray
59% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both cruelty-free heat protectants that contain. They've got a total of 6 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
R & Co Chainmail Thermal Protection Styling Spray
59% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 9 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $9.00 more expensive than the original product.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Matrix Stylelink Heat Buffer
59% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan heat protectants that contain. They've got a total of 7 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
Both products are also reef safe.
Price Comparison
This dupe is $7.02 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Sachajuan Heat Protection Hair Cream
58% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain common allergens and fragrances.
They're both likely to be good for dry skin.
Both products are also reef safe.
Price Comparison
This dupe is $12.00 more expensive than the original product.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Four Reasons Original Heat Styler
58% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 7 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
KMS Thermashape Hot Flex Spray
58% match
with the ingredients and function of Davines This Is A Primer
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 6 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $13.00 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Hjärtligt HS Värmeskydd
57% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 5 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also fungal acne (malassezia) safe and reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Aussie SOS Heat Saviour Conditioning Spray
57% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both cruelty-free heat protectants that contain. They've got a total of 8 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Hjärtligt Heat Protection
57% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 6 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also fungal acne (malassezia) safe and reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Bed Head by TIGI Some Like It Hot Heat Protection Spray for Heat Styling
55% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 9 ingredients in common.
They both do not contain any parabens. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $12.03 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Kiss Colors & Care Anti-Reversion Heat Protector Keratin Spray
55% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 7 ingredients in common.
They both do not contain any parabens or sulfates. They both contain fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $18.03 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
KMS Thermashape Hot Flex Spray
54% match
with the ingredients and function of Nanoil Heat Protectant Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 9 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for dry skin.
Both products are also reef safe.
Price Comparison
This dupe is $8.44 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Not Your Mother’s Beat the Heat Thermal Styling Spray
54% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 5 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $18.01 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Softsheen-Carson Dark & Lovely Blowout Heat Shield Primer Mist
53% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both heat protectants that contain. They've got a total of 9 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and silicones.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $12.97 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Balea Hitzeschutzspray 2-Phasen
52% match
with the ingredients and function of KMS Thermashape Hot Flex Spray
Dupe Explained
These products are both vegan and cruelty-free heat protectants that contain. They've got a total of 7 ingredients in common.
They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.
They're both likely to be good for dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
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