Niacinamide-rich formula known for calming inflammation and regulating oil production
5 shared traits
24 recommendations
40 Reddit-Picked Dupes for COSRX The Vitamin C 23 Serum
What Reddit recommends instead — 40 products with similar benefits
Updated June 21, 2026
K-BeautyHyperpigmentationDullnessDewy FinishVitamin C
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numbuzin
No.5 Vitamin Concentrated SerumContains melanin inhibitors that many find effective for fading dark spots and hyperpigmentation
5 shared traits
18 recommendations
SkinCeuticals
C E FerulicClinically proven 15% L-ascorbic acid with synergistic antioxidants
4 shared traits
31 recommendations
High concentration 20% L-ascorbic acid for potent antioxidant and collagen-boosting effects
3 shared traits
48 recommendations
Melano CC
Intensive Anti-Spot EssenceUses stable ethyl ascorbic acid, reducing oxidation issues common with L-ascorbic acid serums
3 shared traits
40 recommendations
numbuzin
No.3 Skin Softening SerumSoftens skin and visibly improves texture and brightness
3 shared traits
14 recommendations
BYOMA
Brightening SerumHydration boost from hyaluronic acid in a lightweight serum
3 shared traits
6 recommendations
Feels like a second-skin watery layer that absorbs quickly and layers well under actives and makeup
2 shared traits
146 recommendations
Formulated with hydrating hyaluronic acid and panthenol to support skin barrier while targeting redness
2 shared traits
92 recommendations
The Ordinary
Niacinamide 10% + Zinc 1%Strong 10% niacinamide concentration for visible brightening and oil regulation
2 shared traits
66 recommendations
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