Dermaquest Melaquest Cysteamine Serum

Dupes for Melaquest Cysteamine Serum by Dermaquest

Last updated on May 13, 2026

Welcome to our breakdown of the 50 best Dermaquest Melaquest Cysteamine 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 Dermaquest dupes that we've found, check out our best Dermaquest 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!

ISDIN Flavo-C Serum
Most Similar Ingredients

ISDIN's Flavo-C Serum is the dupe with the most similar ingredients. Our matching methodology puts it at an 44% ingredient match!

SkinCeuticals C E Ferulic With 15% L-Ascorbic Acid
Most Liked

Of all of the dupes for this product, SkinCeuticals's C E Ferulic With 15% L-Ascorbic Acid is the most liked by our community. Our matching algorithm puts it at an 58% overall match!

Overview

What it is

Serum with 24 ingredients that contains Vitamin C

Cool Features

It is vegan and reef safe

Suited For

It has ingredients that are good for anti aging, dry skin, brightening skin, sensitive skin, scar healing, dark spots and better texture

Free From

It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens or sulfates

Dupe #1

Dermaquest Melaquest Cysteamine Serum

66% match

with the ingredients and function of ISDIN Flavo-C Serum

98% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #20

Eczema Honey 15% Vitamin C + Ferulic Acid Serum

64% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

78% Attribute Match
47% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #1

Neue Vitamin C 10%

64% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

75% Attribute Match
48% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 9 ingredients 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, dry skin, brightening skin, sensitive 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!

Don't miss the latest dupes
Build your routine, discover dupes, and more by joining our community
Dupe #3

CosMD 15% Vitamin C + Ferulic Acid High-Potency Antioxidant Brightening Serum

62% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

75% Attribute Match
45% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 8 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #2

#OOTD (oxygen of the day) Dark Spot Vitamin C Serum

61% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

85% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 ingredients 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, dry skin, brightening skin, sensitive 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!

Don't miss the latest dupes
Build your routine, discover dupes, and more by joining our community
Dupe #3

SkinCeuticals Serum 10 AOX+

61% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

75% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #4

Aesthetics Rx C Serum

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

77% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. 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're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!

Dupe #5

Dermarium R.S Warrior

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

69% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 ingredients in common.

They both do not contain any common allergens, fragrances, oils, parabens or sulfates.

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!

Dupe #6

bondi sands Gold'n Hour Vitamin C Serum

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

63% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 7 ingredients in common.

They both do not contain any oils, parabens or sulfates.

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!

Dupe #7

Bionnex The Nordea Vitamin C 15% + Ferulic Acid 0.5% + Arbutin + Burdock Serum

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

82% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #8

Spa Scentials Element Essence Face Serum

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

90% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 6 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 anti aging, dry skin, brightening skin, sensitive 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!

Dupe #9

Dailus Sweet Skin Sérum Vitamina C

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

71% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, oils, parabens or sulfates. They both contain silicones.

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!

Dupe #10

Dermelar Time Control Serum

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

85% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 8 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #9

Juva By Zap Glaze-C Serum

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

75% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 8 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #11

DPE Lab Antioxidant C Ferulic

60% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #12

Anko Vitamin C & Hyaluronic Acid Night Serum

59% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

77% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 6 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 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!

Dupe #13

Proactiv Post Blemish 10% Vitamin C Serum

59% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

78% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 9 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #14

Vivier Pharma C E Peptides

59% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 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, 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!

Dupe #15

Rodan + Fields Pure C Serum

59% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

76% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 ingredients 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, dry skin, brightening 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!

Dupe #13

cyrene C+E+Ferulic

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 7 ingredients 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, dry skin, brightening skin, sensitive 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!

Don't miss the latest dupes
Build your routine, discover dupes, and more by joining our community
Dupe #16

Face Facts Niacinamide Gel Serum

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

75% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 7 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #17

SkinCeuticals C E Ferulic With 15% L-Ascorbic Acid

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #18

Skincare Generics CE Serum

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #19

Indeed Labs Vitamin C Brightening Drops

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

79% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. 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 silicones.

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.

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!

Dupe #18

Ombú Seasonal Cosmetics Ácido Ascórbico 20% (Vitamina C)

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

76% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients 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, 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!

Dupe #20

Dermalure Vitamin C+ Serum 20%

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

76% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 4 ingredients 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, dry skin, brightening 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!

Dupe #21

BioBalance Super Serum Pure Vitamin C L-Ascorbic Acid 10%

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

69% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, oils, parabens or sulfates.

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!

Dupe #22

Sal Ceuticals Sérum Antioxidante

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

67% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, parabens or sulfates.

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!

Dupe #13

Dermaquest Melaquest Cysteamine Serum

58% match

with the ingredients and function of Prequel Lucent-C Brightening Vitamin C Serum

75% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #23

Brandefy Skin 15% Vitamin C + E + Ferulic Acid Serum

58% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients in common.

They both do not contain any harsh alcohols, fragrances, oils, parabens or sulfates.

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.

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!

Dupe #24

Dr. Brenner Vitamin C Serum with Ferulic Acid, Vitamin E and Hyaluronic Acid

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #25

Superdrug Me+ Tranexamic Acid Booster

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

62% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both vegan serums that contain. They've got a total of 6 ingredients 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 dry skin, brightening skin, sensitive skin, 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!

Dupe #26

Truth & Beauty C Radiance Serum

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 6 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #27

e.l.f. cosmetics Bright Icon Vitamin C + E + Ferulic Serum

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

77% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. 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 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

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!

Dupe #28

Photozyme Vitamin C+E Ferulic Acid Serum With DNA

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #29

Revolution Beauty Brightening 10% Vitamin C Serum

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 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, 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!

Dupe #30

Celenes by Sweden Vitamin C 12.5% + Oats + Niacinamide Active Serum

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 8 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #31

G.M. Collin Vital C15 Serum

57% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

69% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 9 ingredients in common.

They both do not contain any harsh alcohols, oils, parabens or sulfates.

They're both likely to be good for 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

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!

Dupe #32

Jamieson Vitamin C Brightening Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

62% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. 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 anti aging, dry skin, brightening skin, sensitive 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!

Dupe #33

Beyoung Vita C 18

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

67% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 8 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 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!

Dupe #34

SKKN BY KIM Vitamin C8 Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

59% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 8 ingredients in common.

They both do not contain any common allergens, parabens or sulfates.

They're both likely to be good for dry skin, brightening skin, sensitive skin, reducing pores, scar healing 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!

Dupe #35

Underated Vitamin C 10% + Niacinamide 5% Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 5 ingredients 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, dry skin, brightening skin, sensitive 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!

Dupe #36

Dermaglós Serum Niacinamida

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

70% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both serums that contain. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates.

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!

Dupe #37

Superdrug Me+ Acacia Collagen Booster

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

62% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both serums that contain. They've got a total of 7 ingredients 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 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!

Dupe #10

Dermaquest Melaquest Cysteamine Serum

56% match

with the ingredients and function of RoC Derm Correxion Retinol Serum Stick

73% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 9 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates. They both contain silicones.

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!

Dupe #38

Pharmaform Skin Brightener Plus Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both serums that contain. 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 anti aging, dry skin, brightening skin, sensitive 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!

Dupe #39

Om She Aromatherapy Manuka Honey Face Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

62% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, parabens or sulfates.

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!

Dupe #40

Luv it! Intensive Hydrating Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

77% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates.

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive 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!

Dupe #41

Brandefy Skin Clinical Vit C + E + Ferulic Acid Defend Serum

56% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

65% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 6 ingredients in common.

They both do not contain any harsh alcohols, fragrances, oils, parabens or sulfates.

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.

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!

Dupe #42

Wet n Wild Prime Focus Primer Serum - Refine Pores

49% match

with the ingredients and function of Dermaquest Melaquest Cysteamine Serum

47% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both vegan serums that contain Vitamin C. They've got a total of 10 ingredients in common.

They both do not contain any 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, 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!

SkinSort Icon
Verified by SkinSort

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