What's In My Jar

111SKIN Y Theorem Repair Light Serum NAC Y2 Dupes

The closest dupe for 111SKIN Y Theorem Repair Light Serum NAC Y2 is Live No B.S. Vitamin C + E Serum, an 89% match: it shares 3 of the original's 7 key ingredients (Sodium ascorbyl phosphate, Glycerin and Centella asiatica extract).

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

111SKIN Y Theorem Repair Light Serum NAC Y2
111SKIN

Y Theorem Repair Light Serum NAC Y2

High irritancy Score: 100/100
What it is
Serum with 7 key ingredients, including vitamin C and niacinamide
Hero ingredients
Niacinamide
Works for
Anti-agingEvens skin toneMoisturizingAnti-blemishAnti-oxidation
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21 alternatives found · Best match: 89% (High)

Top dupes for 111SKIN Y Theorem Repair Light Serum NAC Y2

Live No B.S. Vitamin C + E Serum
Live No B.S.

Vitamin C + E Serum

89%
High match
Medium irritancy
2/7
key actives shared
0/1
hero shared
14%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Live No B.S. Vitamin C + E Serum dupes View full product details
HydroPeptide Firma-Bright 20% Vitamin C Booster
HydroPeptide

Firma-Bright 20% Vitamin C Booster

88%
High match
Low irritancy
2/7
key actives shared
1/1
hero shared
24%
of the original's ingredients

Why it's a dupe

Buy on Amazon$138.00 · as of 11/2 18:25 GMT
See HydroPeptide Firma-Bright 20% Vitamin C Booster dupes View full product details
NEOGEN X SUR.MEDIC Real Vita C Serum
NEOGEN X SUR.MEDIC

Real Vita C Serum

87%
High match
Medium irritancy
2/7
key actives shared
1/1
hero shared
21%
of the original's ingredients

Why it's a dupe

Buy at Soko Glam$38.00Amazon
See NEOGEN X SUR.MEDIC Real Vita C Serum dupes View full product details
lemonandbeaker Vitamin C Serum
lemonandbeaker

Vitamin C Serum

87%
High match
Medium irritancy
1/7
key actives shared
0/1
hero shared
21%
of the original's ingredients

Why it's a dupe

See lemonandbeaker Vitamin C Serum dupes View full product details
Eva Naturals Azelaic Acid 10% Facial Serum
Eva Naturals

Azelaic Acid 10% Facial Serum

87%
High match
Medium irritancy
2/7
key actives shared
1/1
hero shared
17%
of the original's ingredients

Why it's a dupe

Buy on Amazon$14.99 · as of 11/4 18:09 GMT
See Eva Naturals Azelaic Acid 10% Facial Serum dupes View full product details
Bubble Skincare Day Dream Tone and Texture Serum
Bubble Skincare

Day Dream Tone and Texture Serum

87%
High match
Low irritancy
2/7
key actives shared
1/1
hero shared
14%
of the original's ingredients

Why it's a dupe

Buy on Amazon$14.97 · as of 11/1 21:01 GMT
See Bubble Skincare Day Dream Tone and Texture Serum dupes View full product details
hellobubble Day Dream Serum
hellobubble

Day Dream Serum

87%
High match
Low irritancy
2/7
key actives shared
1/1
hero shared
14%
of the original's ingredients

Why it's a dupe

Find on Amazon
See hellobubble Day Dream Serum dupes View full product details
Swisse Beauty vitamin c 10% brightening booster serum
Swisse

Beauty vitamin c 10% brightening booster serum

85%
High match
Low irritancy
2/7
key actives shared
1/1
hero shared
17%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Swisse Beauty vitamin c 10% brightening booster serum dupes View full product details
Dr. David Jack Good Morning Vitamin C Serum
Dr. David Jack

Good Morning Vitamin C Serum

85%
High match
Low irritancy
2/7
key actives shared
1/1
hero shared
17%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Dr. David Jack Good Morning Vitamin C Serum dupes View full product details
Luv it! Brightining Vitamin C serum
Luv it!

Brightining Vitamin C serum

85%
High match
Medium irritancy
2/7
key actives shared
1/1
hero shared
14%
of the original's ingredients

Why it's a dupe

See Luv it! Brightining Vitamin C serum dupes View full product details
TONYMOLY Vital Vita 12 Firming Ampoule
TONYMOLY

Vital Vita 12 Firming Ampoule

84%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
34%
of the original's ingredients

Why it's a dupe

Find on Amazon
See TONYMOLY Vital Vita 12 Firming Ampoule dupes View full product details
MEDI-PEEL CINDELLA AMPOULE
MEDI-PEEL

CINDELLA AMPOULE

84%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
31%
of the original's ingredients

Why it's a dupe

Find on Amazon
See MEDI-PEEL CINDELLA AMPOULE dupes View full product details
MDSolarSciences Revitalize Retinol Serum
MDSolarSciences

Revitalize Retinol Serum

83%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
41%
of the original's ingredients

Why it's a dupe

Find on Amazon
See MDSolarSciences Revitalize Retinol Serum dupes View full product details
Natura Siberica Oblepikha C-Berrica Antioxidant Face Serum
Natura Siberica

Oblepikha C-Berrica Antioxidant Face Serum

82%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
17%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Natura Siberica Oblepikha C-Berrica Antioxidant Face Serum dupes View full product details
Joyal Beauty Organic Vitamin C Serum 20% with 1% Vitamin E and 0.5% Ferulic Acid for Face and Skin
Joyal Beauty

Organic Vitamin C Serum 20% with 1% Vitamin E and 0.5% Ferulic Acid for Face and Skin

82%
High match
Medium irritancy
1/7
key actives shared
0/1
hero shared
17%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Joyal Beauty Organic Vitamin C Serum 20% with 1% Vitamin E and 0.5% Ferulic Acid for Face and Skin dupes View full product details
InstaNatural Zinc Vitamin C Serum
InstaNatural

Zinc Vitamin C Serum

82%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
17%
of the original's ingredients

Why it's a dupe

Find on Amazon
See InstaNatural Zinc Vitamin C Serum dupes View full product details
Aesop Lucent Facial Concentrate
Aesop

Lucent Facial Concentrate

82%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
14%
of the original's ingredients

Why it's a dupe

Buy at SpaceNK US≈ $128.25$141.00as of 11/4 18:02 GMT
See Aesop Lucent Facial Concentrate dupes View full product details
Winky Lux Daydream Clarifying & Pore Refining Serum
Winky Lux

Daydream Clarifying & Pore Refining Serum

82%
High match
High irritancy
2/7
key actives shared
1/1
hero shared
14%
of the original's ingredients

Why it's a dupe

See Winky Lux Daydream Clarifying & Pore Refining Serum dupes View full product details
Nourish London Argan Anti Ageing Peptide Serum
Nourish London

Argan Anti Ageing Peptide Serum

82%
High match
High irritancy
1/7
key actives shared
0/1
hero shared
14%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Nourish London Argan Anti Ageing Peptide Serum dupes View full product details
Paula's choice Resist Anti-ageing Hydrator
Paula's choice

Resist Anti-ageing Hydrator

82%
High match
Low irritancy
2/7
key actives shared
1/1
hero shared
14%
of the original's ingredients

Why it's a dupe

Find on Amazon
See Paula's choice Resist Anti-ageing Hydrator dupes View full product details

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About Match %

70%+ - High match
40-69% - Medium match
<40% - Low match

Note: Ingredient concentrations are estimated; products aren't lab-tested. A close match doesn't guarantee the same feel.