A dupe here means a relevant formula alternative—not an identical product. Compare ingredient overlap, meaningful differences, availability, and real prices. Retail commissions never affect ranking.
COSRX The Vitamin C 13 Serum 20ml
your reference
$21.00
Only serum matches are shown.
Laneige
SharedVitamin CPro-vitamin B5CaffeineHyaluronic Acid (salt form)SqualaneVitamin B3
Differsmissing Allantoinadds Tranexamic Acidadds fragrance
Formula overlap
20 of 25 ingredients shared
$33.28
vs $21.00 original
Ma:nyo
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Caffeineadds ArbutinAlpha-ArbutinKojic AcidCicaHyaluronic Acid
Formula overlap
14 of 25 ingredients shared
$18.61
vs $21.00 original
Save $2.39 (11%)
![[Manyo Factory] Glutathione 7 Dark Spot Serum Patch 72g 30EA](https://images.weserv.nl/?url=cdn.shopify.com%2Fs%2Ffiles%2F1%2F0061%2F7516%2F2486%2Ffiles%2Fmanyo-factory-glutathione-7-dark-spot-serum-patch-72g-30ea-01.jpg%3Fv%3D1776826296&w=200&output=webp&q=82&we)
Ma:nyo
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Caffeineadds ArbutinAlpha-ArbutinKojic AcidCicaHyaluronic Acid
Formula overlap
14 of 25 ingredients shared
$25.90
vs $21.00 original
Centellian24
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinVitamin B3
Differsmissing CaffeineSqualaneadds Ascorbyl GlucosideCeramide NpBHA exfoliantHyaluronic Acid
Formula overlap
15 of 25 ingredients shared
$36.40
vs $21.00 original
![[Torriden] DIVE-IN Pro Low Molecular Hyaluronic Acid Glow Serum 120ml](https://images.weserv.nl/?url=cdn.shopify.com%2Fs%2Ffiles%2F1%2F0506%2F2121%2F8972%2Ffiles%2FTorridenDiveInProLowMolecularHyaluronicAcidGlowSerum120ml-3.jpg%3Fv%3D1778048765&w=200&output=webp&q=82&we)
Torriden
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Caffeineadds Ceramide Np
Formula overlap
13 of 25 ingredients shared
$44.90
vs $21.00 original
Goodal
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinVitamin B3
Differsmissing CaffeineSqualaneadds Ascorbyl GlucosideSodium Ascorbyl PhosphateCica
Formula overlap
14 of 25 ingredients shared
$0.62/ml
$24.90
vs $21.00 original
![[EQQUALBERRY] Vitamin Illuminating Serum 30ml](https://images.weserv.nl/?url=cdn.shopify.com%2Fs%2Ffiles%2F1%2F0061%2F7516%2F2486%2Ffiles%2Fbf888d14bf72c34a702df68f9cbdfee57792dde0_original_a6487f85-c336-4b6c-adfb-838908556335.jpg%3Fv%3D1770684911&w=200&output=webp&q=82&we)
Eqqualberry
SharedPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Vitamin CCaffeineadds ArbutinCeramide NpHyaluronic AcidTranexamic Acid
Formula overlap
14 of 25 ingredients shared
$23.00
vs $21.00 original
Anua
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Caffeineadds Alpha-ArbutinCeramide NpAscorbyl Glucosideadds fragrance
Formula overlap
13 of 25 ingredients shared
$14.00
vs $21.00 original
Save $7.00 (33%)
![[Arencia] Red Smoothie Serum 8 30ml](https://images.weserv.nl/?url=cdn.shopify.com%2Fs%2Ffiles%2F1%2F0061%2F7516%2F2486%2Ffiles%2Farencia-red-smoothie-serum-8-01.jpg%3Fv%3D1763959998&w=200&output=webp&q=82&we)
Arencia
SharedVitamin CPro-vitamin B5AllantoinVitamin B3
Differsmissing CaffeineHyaluronic Acid (salt form)Squalaneadds ArbutinSodium Ascorbyl PhosphateAscorbyl Glucoside
Formula overlap
14 of 25 ingredients shared
$31.50
vs $21.00 original
These share less than half of COSRX The Vitamin C 13 Serum 20ml’s label or no key active, so we don’t call them dupes. Same honest numbers, weaker claim.
Ma:nyo
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Caffeineadds Tranexamic AcidArbutinAlpha-ArbutinKojic AcidCicaHyaluronic Acid
Formula overlap
12 of 25 ingredients shared
$10.89
vs $21.00 original
Save $10.11 (48%)
![[Manyo Factory] Glutathione 7 Dark Spot Serum 30ml](https://images.weserv.nl/?url=cdn.shopify.com%2Fs%2Ffiles%2F1%2F0061%2F7516%2F2486%2Ffiles%2Fmanyo-factory-glutathione-7-dark-spot-serum-30ml-01.jpg%3Fv%3D1776826090&w=200&output=webp&q=82&we)
Ma:nyo
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinSqualaneVitamin B3
Differsmissing Caffeineadds Tranexamic AcidArbutinAlpha-ArbutinKojic AcidCicaHyaluronic Acid
Formula overlap
12 of 25 ingredients shared
$26.50
vs $21.00 original
Dr.G
SharedVitamin CPro-vitamin B5Hyaluronic Acid (salt form)AllantoinVitamin B3
Differsmissing CaffeineSqualaneadds Hyaluronic Acid
Formula overlap
12 of 25 ingredients shared
$24.42
vs $21.00 original
Candidates share at least three label ingredients with COSRX The Vitamin C 13 Serum 20ml. Common bases are down-weighted, meaningful actives count more, and this view is scoped to the same product type. Commissions never affect order. Compare the top matches side by side →
Other products from the same brand that share decoded ingredients with COSRX The Vitamin C 13 Serum 20ml — related formulas, not dupes.
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