
Cuskin
Cu:Vitamin U Serum98%
High match
Medium irritancy
Common ingredients (5)
Different ingredients (12)
Similarity breakdown
Overall formula98%
Hero ingredients100%
Active ingredients100%
All ingredients43%
The closest dupe for Cos De BAHA N Niacinamide 10 Serum Jumbo is Cuskin Cu:Vitamin U Serum, a 98% formula match: it shares 5 of the original's 6 key ingredients (including Niacinamide, Sodium hyaluronate and Allantoin).
















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Our similarity score compares product formulas based on shared active ingredients, hero ingredients, and overall formula composition. A higher score means a more similar formula.
Note: Similarity is based on WIMJ's formula analysis (actives + overall formula similarity). Ingredient concentrations are estimated; products aren't lab-tested. A similar formula doesn't guarantee the same texture or feel.