Cuskin Cu:Vitamin U Serum Dupes

The closest dupe for Cuskin Cu:Vitamin U Serum is Arencia Deep Water Surge Serum 30 50g, an 87% match: it shares 10 of the original's 15 key ingredients (including Niacinamide, Oligopeptide-1 and Adenosine).

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.

Cuskin Cu:Vitamin U Serum
Cuskin

Cu:Vitamin U Serum

Medium irritancy Score: 100/100
What it is
Serum with 15 key ingredients, including niacinamide, peptides and ceramides
Hero ingredients
NiacinamideDipeptide diaminobutyroyl benzylamide diacetateCeramide npOligopeptide-1 +2 more
Works for
Anti-agingEvens skin toneAnti-blemishMoisturizing
20 alternatives found · Best match: 87% (High)

Top dupes for Cuskin Cu:Vitamin U Serum

Arencia Deep Water Surge Serum 30 50g
87%
High match
Medium irritancy
10/17
key actives shared
4/6
heroes shared
49%
of the original's ingredients

Why it's a dupe

MEDI-PEEL Luminous Silk Oil Serum
86%
High match
Medium irritancy Sponsored
10/17
key actives shared
4/6
heroes shared

Why it's a dupe

Hanskin Collagen Peptide Hydra Ampoule
86%
High match
Medium irritancy
9/17
key actives shared
5/6
heroes shared
40%
of the original's ingredients

Why it's a dupe

Beauty of Joseon Pore Firming Serum
Beauty of Joseon

Pore Firming Serum

83%
High match
Low irritancy
5/17
key actives shared
3/6
heroes shared
34%
of the original's ingredients

Why it's a dupe

Bliv:U Collagen Bouncing Serum Pad (50 Pads)
Medium irritancy
8/17
key actives shared
2/6
heroes shared
40%
of the original's ingredients

Why it's a dupe

Elishacoy Kombucha Gyeol-Biome Ampoule
81%
High match
Low irritancy
6/17
key actives shared
2/6
heroes shared
34%
of the original's ingredients

Why it's a dupe

NIDA Salmon PDRN Peptide Serum
81%
High match
Low irritancy
6/17
key actives shared
2/6
heroes shared
34%
of the original's ingredients

Why it's a dupe

be the skin Vegan Retinal Bakuchiol Serum
80%
High match
Medium irritancy
7/17
key actives shared
4/6
heroes shared
31%
of the original's ingredients

Why it's a dupe

NATUREKIND Daily Repair EGF Ampoule
80%
High match
Medium irritancy
8/17
key actives shared
3/6
heroes shared
46%
of the original's ingredients

Why it's a dupe

Jin Jung sung Omega Vegan Vita Serum
80%
High match
Medium irritancy
7/17
key actives shared
3/6
heroes shared
37%
of the original's ingredients

Why it's a dupe

Mizon 7 Vegan Peptide Booster Serum
Low irritancy
5/17
key actives shared
2/6
heroes shared
34%
of the original's ingredients

Why it's a dupe

Farm Stay Black Snail & Peptide9 Perfect Serum
Medium irritancy
7/17
key actives shared
3/6
heroes shared
43%
of the original's ingredients

Why it's a dupe

SUNGBOON EDITOR Silk Peptide EGF Intensive Ampoule
79%
High match
Medium irritancy
6/17
key actives shared
3/6
heroes shared
37%
of the original's ingredients

Why it's a dupe

NatureONE Volufiline Peptide Ampoule
79%
High match
Medium irritancy
6/17
key actives shared
3/6
heroes shared
37%
of the original's ingredients

Why it's a dupe

APRIL SKIN TXA Niacinamide Toning Shot 99 Serum
79%
High match
Low irritancy
5/17
key actives shared
2/6
heroes shared
23%
of the original's ingredients

Why it's a dupe

HARITHOTH HT Hari Serum
HARITHOTH

HT Hari Serum

78%
High match
Medium irritancy
7/17
key actives shared
3/6
heroes shared
40%
of the original's ingredients

Why it's a dupe

7/17
key actives shared
3/6
heroes shared
40%
of the original's ingredients

Why it's a dupe

UNPA Atelo Firm Up Ampoule
78%
High match
Medium irritancy
7/17
key actives shared
3/6
heroes shared
37%
of the original's ingredients

Why it's a dupe

Carenology 95 RE:BLUE Deep Concentrate Ampoule
78%
High match
Medium irritancy
7/17
key actives shared
3/6
heroes shared
34%
of the original's ingredients

Why it's a dupe

Medicube EGF NAD Firming Serum
78%
High match
Medium irritancy
6/17
key actives shared
3/6
heroes shared
46%
of the original's ingredients

Why it's a dupe

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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.