KoCostar a.m. Sunday Collagen Glutathione Mask Dupes

The closest dupe for KoCostar a.m. Sunday Collagen Glutathione Mask is Abib Collagen Eye Patch, an 85% match: it shares 8 of the original's 23 key ingredients (including Niacinamide, Adenosine and Glycerin).

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.

KoCostar a.m. Sunday Collagen Glutathione Mask
KoCostar

a.m. Sunday Collagen Glutathione Mask

Medium irritancy Score: 100/100
What it is
Mask with 23 key ingredients, including PHAs and niacinamide
Hero ingredients
Niacinamide
Works for
MoisturizingAnti-oxidationAnti-agingEvens skin toneAnti-blemish
20 alternatives found · Best match: 85% (High)

Top dupes for KoCostar a.m. Sunday Collagen Glutathione Mask

Abib Collagen Eye Patch
85%
High match
Low irritancy
8/18
key actives shared
1/1
hero shared
41%
of the original's ingredients

Why it's a dupe

Eqqualberry Collagen Glow Up Hydrogel Mask
81%
High match
Medium irritancy
12/18
key actives shared
1/1
hero shared
50%
of the original's ingredients

Why it's a dupe

Glowiest Dream Glow Soothing Mask
80%
High match
Medium irritancy
8/18
key actives shared
1/1
hero shared
32%
of the original's ingredients

Why it's a dupe

HEVEBLUE Pot Pore Peptamin Hydro Collagen Mask
Medium irritancy
6/18
key actives shared
1/1
hero shared
39%
of the original's ingredients

Why it's a dupe

Crystal Mask Amethyst Crystal Deep Hydration Mask Trial
Medium irritancy Sponsored
7/18
key actives shared
1/1
hero shared

Why it's a dupe

VT Cosmetics Tx-toning Daily Mask
79%
High match
Medium irritancy
10/18
key actives shared
1/1
hero shared
43%
of the original's ingredients

Why it's a dupe

BIODANCE Hydro Cera-nol Real Deep Mask
79%
High match
Medium irritancy
9/18
key actives shared
1/1
hero shared
48%
of the original's ingredients

Why it's a dupe

Anua PDRN Hyaluronic Acid Capsule 100 Serum Mask
Medium irritancy
9/18
key actives shared
1/1
hero shared
34%
of the original's ingredients

Why it's a dupe

MEDIHEAL N.M.F Intensive Hydrating Sheet Mask
Medium irritancy
8/18
key actives shared
1/1
hero shared
30%
of the original's ingredients

Why it's a dupe

8/18
key actives shared
1/1
hero shared
41%
of the original's ingredients

Why it's a dupe

COSRX 5 PDRN Hyaluronic Acid Vital Hydrating Hydrogel Mask
Medium irritancy
8/18
key actives shared
1/1
hero shared
41%
of the original's ingredients

Why it's a dupe

VENN Skincare VENN Collagen Intensive Phyto-Retinol Renewal Mask
Medium irritancy
8/18
key actives shared
1/1
hero shared
43%
of the original's ingredients

Why it's a dupe

BANOBAGI Vita Genic Jelly Mask - 7 Types
78%
High match
Medium irritancy
7/18
key actives shared
1/1
hero shared
32%
of the original's ingredients

Why it's a dupe

TONYMOLY x Minions Moisturising Hyarluonic Acid Sheet Mask
Medium irritancy
7/18
key actives shared
1/1
hero shared
25%
of the original's ingredients

Why it's a dupe

ROUND LAB Camellia Deep Collagen Firming Gel Mask
Medium irritancy
8/18
key actives shared
1/1
hero shared
41%
of the original's ingredients

Why it's a dupe

16Brand Marine Collagen Shower Mask Pack
Low irritancy
6/18
key actives shared
1/1
hero shared
32%
of the original's ingredients

Why it's a dupe

Holika Holika Mechnikov's Probiotics Formula Brightening Mask
Medium irritancy
6/18
key actives shared
1/1
hero shared
32%
of the original's ingredients

Why it's a dupe

111SKIN Celestial Black Diamond Lifting and Firming Face Mask
Medium irritancy
7/18
key actives shared
1/1
hero shared
41%
of the original's ingredients

Why it's a dupe

Arocell Botulcare Mask EX 42g
77%
High match
Medium irritancy
12/18
key actives shared
1/1
hero shared
45%
of the original's ingredients

Why it's a dupe

Soon Skincare Biocellulose Anti-Aging Face Mask, Single
Medium irritancy
8/18
key actives shared
0/1
hero shared
32%
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.