One Thing Niacinamide 10% vs Jumiso Niacinamide 20 Serum
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.
| One Thing Niacinamide 10% | Jumiso Niacinamide 20 Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $18.96 | $17 |
| Best landed cost | $27.76 | $21.99 |
| Rating | ★ 5 (28) | ★ 4.9 (79) |
| Evidence grade | B | B |
| Korea signal | — | — |
| Hero ingredients | Niacinamide | Niacinamide |
| Best for | Dark spots (PIH), Pores & Oil, Dullness | Pores & Oil, Dark spots (PIH), Dullness |
| Skin types | Oily, Combination, Normal, Dry | Oily, Combination, Normal |
| Texture | light | light |
| Tone note | All tones | All 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.