
TIA'M
Vita B3 Source
96%
High match
Medium irritancy Sponsored
Why it's a dupe
- Both are serums and share 5 key ingredients.
- Both contain niacinamide.
- Both work for:Anti-blemishAnti-agingMoisturizingEvens skin toneAnti-oxidation
The closest dupe for Cos De BAHA ARBUTIN + NIACINAMIDE SERUM is Cuskin Cu:Vitamin U Serum, a 96% match: it shares 5 of the original's 6 key ingredients (including Niacinamide, Sodium hyaluronate and Allantoin).
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.














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