Jumiso Niacinamide 20 Serum vs One Thing Niacinamide 10%

Same shelf, different answers — here's the whole picture in one table. Click either product for full ingredient decode, skin-twin reviews and every retailer's landed cost.

Jumiso Niacinamide 20 Serum
JumisoNiacinamide 20 SerumFull breakdown →
One Thing Niacinamide 10%
One ThingNiacinamide 10%Full breakdown →
Jumiso Niacinamide 20 SerumOne Thing Niacinamide 10%
StepSerumSerum
Price$17$18.96
Best landed cost$21.99$27.76
Rating★ 4.9 (79)★ 5 (28)
Evidence gradeBB
Korea signal
Hero ingredientsNiacinamideNiacinamide
Best forPores & Oil, Dark spots (PIH), DullnessDark spots (PIH), Pores & Oil, Dullness
Skin typesOily, Combination, NormalOily, Combination, Normal, Dry
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock✗ import only
Our read: Evidence grades are equal (B) — so let fit decide: check the skin-type rows above, and if both fit, Jumiso Niacinamide 20 Serum is the cheaper landed cost over One Thing Niacinamide 10%.

Prices and rankings are seed data pending weekly verification. Take the 60-second quiz and both products get a personal match score on their pages.