Welcome to our breakdown of the 23 best Fundamentals 15% Vitamin C 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 Fundamentals dupes that we've found, check out our best Fundamentals 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!
Skin Functional's Anti-Oxidant Complexion Firmer is the dupe with the most similar ingredients. Our matching methodology puts it at an 80% ingredient match!
Of all of the dupes for this product, The Ordinary's Ascorbic Acid 8% + Alpha Arbutin 2% is the most liked by our community. Our matching algorithm puts it at an 87% overall match!
- Skin Functional Anti-Oxidant Complexion Firmer 1
- Gilda Liljeblad Energising Vitamin C Serum 2
- Niod Ethylated L-Ascorbic Acid 30% Network (Elan) 3
- Hylamide Booster C25 4
- The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% 5
- The Ordinary 100% L-Ascorbic Acid Powder 6
- FaceTheory Regena C30 Pro Vitamin C Serum 7
- Matter Of Fact Ascorbic Acid 20 Brightening C Serum 8
- Hickap Triple Antioxidant Synchronized Serum Vitamin C 9
- The Ordinary Ethylated Ascorbic Acid 15% Solution 10
- Ombú Seasonal Cosmetics Ácido Ascórbico 20% (Vitamina C) 11
- The INKEY List Vitamin C Serum 12
- The Ordinary Vitamin C Suspension 30% in Silicone 13
- The Ordinary Pycnogenol 5% 14
- Wild Botanicals Vitamin C Facial Serum 15
- The Ordinary EUK 134 0.1% 16
- Brandefy Skin 15% Vitamin C + E + Ferulic Acid Serum 17
- 100% Pure Vitamin C Boost 18
- Thayers Rose Petal Witch Hazel Facial Serum 19
- Farmacy 10% Waterless Vitamin C Serum 20
- The Ordinary Resveratrol 3% + Ferulic Acid 3% 21
- Skin Functional Multi Tasking Fixer 22
- SkinTra Light Your Skin 23
Overview
What it is
Serum with 2 ingredients that contains Vitamin C
Cool Features
It is vegan, fungal acne (malassezia) safe, and reef safe
Suited For
It has ingredients that are good for anti aging, brightening skin, scar healing, dark spots and better texture
Free From
It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates
Fundamentals 15% Vitamin C Serum
88% match
with the ingredients and function of Skin Functional Anti-Oxidant Complexion Firmer
Dupe Explained
These products are both serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
88% match
with the ingredients and function of Gilda Liljeblad Energising Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
88% match
with the ingredients and function of Niod Ethylated L-Ascorbic Acid 30% Network (Elan)
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
88% match
with the ingredients and function of Hylamide Booster C25
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
87% match
with the ingredients and function of The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2%
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
81% match
with the ingredients and function of The Ordinary 100% L-Ascorbic Acid Powder
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
80% match
with the ingredients and function of FaceTheory Regena C30 Pro Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
75% match
with the ingredients and function of Matter Of Fact Ascorbic Acid 20 Brightening C Serum
Dupe Explained
These products are both serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Hickap Triple Antioxidant Synchronized Serum Vitamin C
71% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
69% match
with the ingredients and function of The Ordinary Ethylated Ascorbic Acid 15% Solution
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
66% match
with the ingredients and function of Ombú Seasonal Cosmetics Ácido Ascórbico 20% (Vitamina C)
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
64% match
with the ingredients and function of The INKEY List Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
The Ordinary Vitamin C Suspension 30% in Silicone
64% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
63% match
with the ingredients and function of The Ordinary Pycnogenol 5%
Dupe Explained
These products are both vegan serums that contain. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
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!
Wild Botanicals Vitamin C Facial Serum
63% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
The Ordinary EUK 134 0.1%
63% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
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!
Brandefy Skin 15% Vitamin C + E + Ferulic Acid Serum
62% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
100% Pure Vitamin C Boost
61% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
59% match
with the ingredients and function of Thayers Rose Petal Witch Hazel Facial Serum
Dupe Explained
These products are both serums that contain Vitamin C. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
Fundamentals 15% Vitamin C Serum
58% match
with the ingredients and function of Farmacy 10% Waterless Vitamin C Serum
Dupe Explained
These products are both serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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!
The Ordinary Resveratrol 3% + Ferulic Acid 3%
58% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging.
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!
Skin Functional Multi Tasking Fixer
56% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both vegan serums that contain. They've got a total of 1 ingredient in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for brightening skin, scar healing and dark spots.
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!
SkinTra Light Your Skin
53% match
with the ingredients and function of Fundamentals 15% Vitamin C Serum
Dupe Explained
These products are both serums that contain Vitamin C. They've got a total of 2 ingredients in common.
They both do not contain any oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, brightening skin, scar healing, dark spots and better texture.
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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