Welcome to our breakdown of the 23 best L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum 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 L'Oréal Professionnel dupes that we've found, check out our best L'Oréal Professionnel 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!
Garnier's Lisci Impeccabili Siero Termoattivo is the dupe with the most similar ingredients. Our matching methodology puts it at an 82% ingredient match!
Of all of the dupes for this product, Paul Mitchell's Super Skinny Serum is the most liked by our community. Our matching algorithm puts it at an 66% overall match!
- Garnier Lisci Impeccabili Siero Termoattivo 1
- Garnier Sleek & Stay Heat-Activated Serum 2
- got2b Smooth Operator Smoothing Satin Drops 3
- Ion Styling Solutions Humidity-Defying Serum 4
- Matrix Mega Sleek 96H Anti-Frizz Topcoat Serum 5
- Saphira Healing Repair Mineral Drop 6
- Cloud Weightless Glossing Serum 7
- Paul Mitchell Super Skinny Serum 8
- Design Essentials Silk Essentials Thermal Strengthening Serum 9
- Amika Blockade Heat Defense Serum 10
- Design Essentials Agave And Lavender Weightless Thermal Protectant Serum 11
- The Body Shop Grapeseed Glossing Serum 12
- Biolage Smooth Proof Serum 13
- Mon Platin Black Caviar Total Repair Serum 14
- It’s a 10 Miracle Styling Serum 15
- Ion Styling Solutions Silk Drops 16
- Ybera C360 Thermic Gloss 17
- Muk Hot Muk Smoothing Serum 18
- The Face Shop Essential Damage Care Hair Serum 19
- Ziaja Argan & Tsubaki Oils Smoothing Hair Serum 20
- L'Oreal Serioxyl Advanced Denser Hair Serum 21
- John Frieda Frizz Ease All-In-1 Serum 22
- Pretty Skin Argan Hair Serum 23
Overview
What it is
Hair serum with 7 ingredients
Cool Features
It is vegan, fungal acne (malassezia) safe, and reef safe
Suited For
It has ingredients that are good for scar healing
Free From
It doesn't contain any harsh alcohols, oils, parabens or sulfates
Garnier Lisci Impeccabili Siero Termoattivo
86% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain fragrances and silicones.
They're both likely to be good for 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!
Garnier Sleek & Stay Heat-Activated Serum
86% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain fragrances and silicones.
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!
got2b Smooth Operator Smoothing Satin Drops
74% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for scar healing.
Both products are also fungal acne (malassezia) 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!
Ion Styling Solutions Humidity-Defying Serum
73% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for scar healing.
Both products are also fungal acne (malassezia) safe and 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!
L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
67% match
with the ingredients and function of Matrix Mega Sleek 96H Anti-Frizz Topcoat Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
66% match
with the ingredients and function of Saphira Healing Repair Mineral Drop
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
Cloud Weightless Glossing Serum
66% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 3 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
Both products are also fungal acne (malassezia) safe and 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!
L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
66% match
with the ingredients and function of Paul Mitchell Super Skinny Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
Design Essentials Silk Essentials Thermal Strengthening Serum
64% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
Amika Blockade Heat Defense Serum
64% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 3 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
Both products are also fungal acne (malassezia) safe and 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!
Design Essentials Agave And Lavender Weightless Thermal Protectant Serum
63% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums 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 common allergens, fragrances and silicones.
They're both likely to be good for scar healing.
Both products are also fungal acne (malassezia) 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!
The Body Shop Grapeseed Glossing Serum
62% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 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 scar healing.
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!
Biolage Smooth Proof Serum
60% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any parabens or sulfates. They both contain common allergens, fragrances and silicones.
Both products are also fungal acne (malassezia) safe and 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!
Mon Platin Black Caviar Total Repair Serum
62% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
It’s a 10 Miracle Styling Serum
61% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for scar healing.
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!
Ion Styling Solutions Silk Drops
60% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
Both products are also fungal acne (malassezia) 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!
Ybera C360 Thermic Gloss
61% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for 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!
Muk Hot Muk Smoothing Serum
58% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 3 ingredients in common.
They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for 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!
The Face Shop Essential Damage Care Hair Serum
58% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for 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!
Ziaja Argan & Tsubaki Oils Smoothing Hair Serum
58% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
56% match
with the ingredients and function of L'Oreal Serioxyl Advanced Denser Hair Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any oils, parabens or sulfates. They both contain common allergens and fragrances.
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!
John Frieda Frizz Ease All-In-1 Serum
53% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both vegan hair serums that contain. They've got a total of 3 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
They're both likely to be good for 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!
Pretty Skin Argan Hair Serum
53% match
with the ingredients and function of L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum
Dupe Explained
These products are both hair serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain common allergens, fragrances and silicones.
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!
We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.
The data we've presented on this page has been verified by a member of the SkinSort Team.
Read more about us
