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111Skin Y Theorem Repair Light Serum NAC Y²

Dupes for Y Theorem Repair Light Serum NAC Y² by 111Skin

Last updated on January 09, 2024

Welcome to our breakdown of the 37 best 111Skin Y Theorem Repair Light Serum NAC Y² 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 111Skin dupes that we've found, check out our best 111Skin 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!

Nip + Fab Vitamin C 5% Fix Serum
Most Similar Ingredients

Nip + Fab's Vitamin C 5% Fix Serum is the dupe with the most similar ingredients. Our matching methodology puts it at an 37% ingredient match!

Some By Mi Yuja Niacin Anti Blemish Serum
Most Liked

Of all of the dupes for this product, Some By Mi's Yuja Niacin Anti Blemish Serum is the most liked by our community. Our matching algorithm puts it at an 61% overall match!

Overview

What it is

Serum with 26 ingredients that contains niacinamide, Vitamin C 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 parabens, silicones or sulfates

Dupe #1

Nip + Fab Vitamin C 5% Fix Serum

61% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

86% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 11 ingredients in common.

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

Dupe #2

Some By Mi Yuja Niacin Anti Blemish Serum

61% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

92% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 12 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, 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!

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Dupe #3

Eva Naturals Skin Brightening Serum

60% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

64% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both serums that contain Vitamin C and Vitamin E. They've got a total of 11 ingredients in common.

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

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!

Dupe #4

Catrice Glow Super Vitamin Serum

60% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

75% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 10 ingredients in common.

They both do not contain any 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.

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

tomorrowlabs Boosting Serum

60% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

60% Attribute Match
46% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin E. They've got a total of 9 ingredients in common.

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

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!

Dupe #6

S'he vec Glow Me Like You Do 4% Vitamin C + 0.5% Ferulic Acid

59% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

65% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 6 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, 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!

Dupe #7

Vichy NEOVADIOL MENO 5 SERUM

58% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

77% Attribute Match
36% Ingredient Match

Dupe Explained

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

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

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

Boost Lab Vitamin C Brightening Serum

58% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

67% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 7 ingredients in common.

They both do not contain any parabens or silicones. 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!

Dupe #9

Native Brightening Facial Serum

58% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

75% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin C. They've got a total of 5 ingredients in common.

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

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!

Dupe #10

Natura Siberica C-Berrica Antioxidant Face Serum

57% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

78% Attribute Match
37% Ingredient Match

Dupe Explained

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

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

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!

Dupe #11

ma:nyo Galac Whitening Vita Serum

57% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

75% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 10 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain fragrances and 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!

Dupe #12

Dermacol Cannabis CBD Serum

57% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

69% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both serums that contain niacinamide and Vitamin E. 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, fragrances and 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 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 #13

Yves Rocher Brightening Unifying Serum

57% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

73% Attribute Match
38% Ingredient Match

Dupe Explained

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

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

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!

Dupe #14

Native Aloe & Vitamin B3 Sensitive Facial Serum

57% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

74% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin C. They've got a total of 5 ingredients in common.

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

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!

Dupe #15

Now Solutions Vitamin C & Ferulic Acid Serum

57% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

70% Attribute Match
38% Ingredient Match

Dupe Explained

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

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

They're both likely to be good for fighting acne, 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!

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

Skin Gym Face Trainer Serum

56% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

68% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain Vitamin C and Vitamin E. They've got a total of 11 ingredients in common.

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

Dupe #17

Catrice Pore Minimizing Serum

56% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

60% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin E. They've got a total of 8 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain fragrances.

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!

Dupe #18

Hanasui Men Bright Active Serum

56% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

47% Attribute Match
42% Ingredient Match

Dupe Explained

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

They both do not contain any parabens or sulfates. They both contain fragrances.

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!

Dupe #19

Hanasui Whitening Gold Serum Renew

55% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

43% Attribute Match
44% Ingredient Match

Dupe Explained

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

They both do not contain any parabens or sulfates. They both contain fragrances.

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!

Dupe #20

Neogen Real Hyal Panthenol Serum

55% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

63% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 11 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain fragrances.

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!

Dupe #21

Zoah Anti-Aging Facial Serum

55% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

62% Attribute Match
39% Ingredient Match

Dupe Explained

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

They both do not contain any 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!

Dupe #22

Dr. Ankerstjerne Superfood Multi-Purpose Vitamin Face Gel

55% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

65% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin E. They've got a total of 7 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain fragrances and 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!

Dupe #23

Global Beauty Care Niacinamide Facial Serum

55% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

65% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 6 ingredients in common.

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

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

Catrice Glow Booster Serum

54% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

58% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide, Vitamin C and Vitamin E. They've got a total of 9 ingredients in common.

They both do not contain any 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!

Dupe #25

Pretty Skin Hydra B5 Max Serum

54% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

65% Attribute Match
36% Ingredient Match

Dupe Explained

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

They both do not contain any parabens, silicones or sulfates. They both contain harsh alcohols, fragrances and 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!

Dupe #26

Omorovicza Daily Vitamin C

54% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

59% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin C. They've got a total of 10 ingredients in common.

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

Dupe #27

Teratu Beauty 2 In 1 Acne Serum

53% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

41% Attribute Match
43% Ingredient Match

Dupe Explained

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

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

They're both likely to be good for fighting acne, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots.

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

Rodial Pink Diamond Instant lifting Serum

53% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

62% Attribute Match
36% Ingredient Match

Dupe Explained

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

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

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

Dupe #29

Catrice Pore Ultra Minimizing Serum

53% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

48% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin E. They've got a total of 9 ingredients in common.

They both do not contain any parabens, silicones 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!

Dupe #30

Nuxe Super Serum [10]

53% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

63% Attribute Match
35% Ingredient Match

Dupe Explained

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

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

Dupe #31

Luv it! Vitamin C Serum

53% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

54% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free serums that contain niacinamide and Vitamin C. They've got a total of 6 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain fragrances.

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!

Dupe #32

Qure All-in-one Face Serum

53% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

58% Attribute Match
37% Ingredient Match

Dupe Explained

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

They both do not contain any parabens, silicones 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!

Dupe #33

Goldfaden MD Brightening Elixir

52% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

47% Attribute Match
35% Ingredient Match

Dupe Explained

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

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

They're both likely to be good for fighting acne, 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!

Dupe #34

Versed Stroke Of Brilliance Brightening Serum

52% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

41% Attribute Match
40% Ingredient Match

Dupe Explained

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

They both do not contain any 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.

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 #35

The Purest Solutions Vitamin B Complex Serum

51% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

52% Attribute Match
35% Ingredient Match

Dupe Explained

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

They both do not contain any parabens, silicones 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!

Dupe #36

Anko 3% Niacinamide Serum

51% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

44% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both serums that contain niacinamide. They've got a total of 5 ingredients in common.

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

They're both likely to be good for fighting acne, dry skin, brightening skin, oily skin, reducing pores 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

Balea Serum Beauty Expert Azelain Booster

50% match

with the ingredients and function of 111Skin Y Theorem Repair Light Serum NAC Y²

42% Attribute Match
38% Ingredient Match

Dupe Explained

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

They both do not contain any parabens, silicones 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.

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