Welcome to our breakdown of the 30 best COSRX Real Fit Retinol 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 COSRX dupes that we've found, check out our best COSRX 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!
Millford's Vita A & Collagen Rich Serum is the dupe with the most similar ingredients. Our matching methodology puts it at an 90% ingredient match!
Of all of the dupes for this product, Isntree's Ultra-Low Molecular Hyaluronic Acid Serum is the most liked by our community. Our matching algorithm puts it at an 49% overall match!
- Millford Vita A & Collagen Rich Serum 1
- Tia’m Vita A Bakuchiol Youth Serum 2
- GLAMFOX Double Effect Retinol + Collagen Serum 3
- #OOTD (oxygen of the day) Wrinkle Lift Retinol Serum 4
- Dermorepubliq 1% Retinol For Sensitive Skins Serum 5
- Millford Deep Hydrating Daily Serum 6
- Cos De BAHA L1 Bakuchiol 2% + Retinol 0.15% Serum 7
- Soosul Skin Collagen Boosting Essence Serum 8
- Mamonde Red Energy Recovery Serum 9
- Isntree Hyper Retinol EX 1.0 Serum 10
- Face Facts Retinol Facial Serum 11
- Jack Black Brightening Booster Vitamin C Serum 12
- RescueMD DNA Repair Complex Pro 13
- BLITHE Pressed Serum Gold Apricot 14
- Iope Retinol Expert 0.1% 15
- It's Skin Retinoidin Serum 16
- AMOREPACIFIC Time Response Skin Reserve Serum 17
- PURITO Bakuchiol Timeless Bloom Revitalizing Serum 18
- innisfree Green Tea Seed Intensive Hydrating Serum 19
- innisfree Green Tea Seed Serum 20
- Somethinc 5% Niacinamide + Moisture Sabi Beet Serum 21
- Kiehl's Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum 22
- Isntree Green Tea Fresh Serum 23
- Sisley Paris Hydra-Global Serum Anti-Aging Hydration Booster 24
- Bliss Glow & Hydrate Day Serum 25
- Etos Multi Peptide Serum 26
- Joanna Vargas Magic Serum 27
- Catrice Pore Ultra Minimizing Serum 28
- PURITO Clear Code Superfruit Serum 29
- Isntree Ultra-Low Molecular Hyaluronic Acid Serum 30
Overview
What it is
Serum with 23 ingredients that contains retinoid and Vitamin E
Cool Features
It is cruelty-free and reef safe
Suited For
It has ingredients that are good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
It doesn't contain any harsh alcohols, common allergens, fragrances, parabens or sulfates
Millford Vita A & Collagen Rich Serum
93% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain retinoid and Vitamin E. They've got a total of 20 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
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!
Tia’m Vita A Bakuchiol Youth Serum
91% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain retinoid and Vitamin E. They've got a total of 20 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $138.01 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!
COSRX Real Fit Retinol Serum
68% match
with the ingredients and function of GLAMFOX Double Effect Retinol + Collagen Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 14 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $129.01 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!
#OOTD (oxygen of the day) Wrinkle Lift Retinol Serum
63% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain retinoid and Vitamin E. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates. They both contain oils.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
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!
Dermorepubliq 1% Retinol For Sensitive Skins Serum
60% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, 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!
Millford Deep Hydrating Daily Serum
60% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates. They both contain oils.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $133.21 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!
Cos De BAHA L1 Bakuchiol 2% + Retinol 0.15% Serum
59% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates. They both contain silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
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!
Soosul Skin Collagen Boosting Essence Serum
59% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any common allergens, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, 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!
Mamonde Red Energy Recovery Serum
59% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 11 ingredients in common.
They both do not contain any common allergens, parabens or sulfates. They both contain silicones.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $147.99 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!
Isntree Hyper Retinol EX 1.0 Serum
57% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain retinoid and Vitamin E. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $135.27 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!
Face Facts Retinol Facial Serum
57% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain oils.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, 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!
Jack Black Brightening Booster Vitamin C Serum
57% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 11 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing, dark spots and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $104.00 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!
RescueMD DNA Repair Complex Pro
57% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!
BLITHE Pressed Serum Gold Apricot
57% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 11 ingredients in common.
They both do not contain any harsh alcohols, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $123.41 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!
Iope Retinol Expert 0.1%
57% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 11 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $69.00 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!
It's Skin Retinoidin Serum
56% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain retinoid and Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any common allergens, fragrances, parabens or sulfates. They both contain oils.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, oily skin, reducing pores, scar healing, dark spots and better texture.
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!
AMOREPACIFIC Time Response Skin Reserve Serum
56% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 12 ingredients in common.
They both do not contain any common allergens, parabens or sulfates. They both contain silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $131.00 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!
COSRX Real Fit Retinol Serum
55% match
with the ingredients and function of PURITO Bakuchiol Timeless Bloom Revitalizing Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 11 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $128.50 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!
innisfree Green Tea Seed Intensive Hydrating Serum
55% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any common allergens, parabens or sulfates. They both contain oils.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin and reducing pores.
Both products are also reef safe.
Price Comparison
This dupe is $139.53 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!
COSRX Real Fit Retinol Serum
55% match
with the ingredients and function of innisfree Green Tea Seed Serum
Dupe Explained
These products are both serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any common allergens, parabens or sulfates. They both contain oils.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin and reducing pores.
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!
Somethinc 5% Niacinamide + Moisture Sabi Beet Serum
54% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots.
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!
Kiehl's Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum
54% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any common allergens, parabens or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $61.00 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!
Isntree Green Tea Fresh Serum
54% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $128.77 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!
Sisley Paris Hydra-Global Serum Anti-Aging Hydration Booster
54% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 10 ingredients in common.
They both do not contain any parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and 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!
Bliss Glow & Hydrate Day Serum
53% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates. They both contain oils and silicones.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $129.01 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!
Etos Multi Peptide Serum
53% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates. They both contain oils.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!
Joanna Vargas Magic Serum
53% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 9 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates. They both contain oils.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!
Catrice Pore Ultra Minimizing Serum
52% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 7 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, 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!
PURITO Clear Code Superfruit Serum
52% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin, scar healing and dark spots.
Both products are also reef safe.
Price Comparison
This dupe is $131.01 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!
Isntree Ultra-Low Molecular Hyaluronic Acid Serum
49% match
with the ingredients and function of COSRX Real Fit Retinol Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances or parabens.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and better texture.
Both products are also reef safe.
Price Comparison
This dupe is $130.70 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!
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