Welcome to our breakdown of the 16 best Rationale #5 The 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 Rationale dupes that we've found, check out our best Rationale 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!
Cicamed's Organic Science Serum AHA is the dupe with the most similar ingredients. Our matching methodology puts it at an 48% ingredient match!
Our community frequently compares this product with The Ordinary's Marine Hyaluronics. Our matching algorithm puts it at an 58% overall match!
- Cicamed Organic Science Serum AHA 1
- artnaturals Glycolic Acid Serum 2
- Plum Goodness 5% Niacinamide Face Serum With Rice Water 3
- The Ordinary Marine Hyaluronics 4
- maru.derm AHA %10 + BHA %2 Peeling Serum 5
- Olehenriksen Invigorating Night Transformation Gel 6
- Renee Rouleau Skin Care Pore + Wrinkle Perfecting Serum 7
- Plants are Purple Clear Up 8
- Hanasui Power Serum Peeling Serum 9
- SkinJestique Micro-Peel Glow Serum 10
- Sephora Collection Clarifying Serum 11
- Cream Co. Perfecting AHA Complex Serum 12
- Votary Brightening Hyaluronic Serum 13
- Absolution Le Sérum Anti-Soif 14
- Minimalist Salicylic Acid 02% 15
- Aroma-Zone Sérum Visage Concentré Acide Glycolique 10% & AHA 16
Overview
What it is
Serum with 55 ingredients that contains AHA, BHA and exfoliants
Cool Features
It is reef safe
Suited For
It has ingredients that are good for fighting acne, anti aging, dry skin, brightening skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
It doesn't contain any harsh alcohols, parabens, silicones or sulfates
Cicamed Organic Science Serum AHA
61% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 17 ingredients in common.
They both do not contain any parabens, silicones or sulfates. They both contain common allergens, fragrances and 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!
artnaturals Glycolic Acid Serum
61% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones 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!
Plum Goodness 5% Niacinamide Face Serum With Rice Water
58% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA. They've got a total of 20 ingredients in common.
They both do not contain any parabens, silicones or sulfates. They both contain common allergens and fragrances.
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!
The Ordinary Marine Hyaluronics
58% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain BHA. They've got a total of 19 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates.
They're both likely to be good for fighting acne, dry skin, brightening skin, oily skin, reducing pores 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!
maru.derm AHA %10 + BHA %2 Peeling Serum
58% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 19 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates.
They're both likely to be good for fighting acne, anti aging, brightening 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!
Olehenriksen Invigorating Night Transformation Gel
57% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and exfoliants. They've got a total of 13 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain common allergens, fragrances and oils.
They're both likely to be good for 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!
Renee Rouleau Skin Care Pore + Wrinkle Perfecting Serum
57% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 12 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates.
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.
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!
Plants are Purple Clear Up
56% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA, BHA and exfoliants. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates.
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.
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!
Hanasui Power Serum Peeling Serum
56% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 15 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain fragrances.
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.
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!
SkinJestique Micro-Peel Glow Serum
54% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA. They've got a total of 11 ingredients in common.
They both do not contain any parabens, silicones or sulfates. They both contain common allergens and fragrances.
They're both likely to be good for anti aging, dry skin, brightening 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!
Sephora Collection Clarifying Serum
54% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain BHA. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, parabens or silicones. They both contain fragrances.
They're both likely to be good for fighting acne, dry skin, brightening skin, oily skin, reducing pores 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!
Cream Co. Perfecting AHA Complex Serum
54% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 10 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain fragrances.
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.
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!
Votary Brightening Hyaluronic Serum
54% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 9 ingredients in common.
They both do not contain any parabens, silicones or sulfates. They both contain common allergens and fragrances.
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!
Absolution Le Sérum Anti-Soif
53% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain exfoliants. They've got a total of 19 ingredients in common.
They both do not contain any parabens, silicones or sulfates. They both contain common allergens, fragrances and oils.
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, oily 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!
Minimalist Salicylic Acid 02%
52% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA and BHA. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates.
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!
Aroma-Zone Sérum Visage Concentré Acide Glycolique 10% & AHA
51% match
with the ingredients and function of Rationale #5 The Serum
Dupe Explained
These products are both serums that contain AHA. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain fragrances.
They're both likely to be good for anti aging, dry skin, brightening 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!
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The data we've presented on this page has been verified by a member of the SkinSort Team.
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