NEOGEN Dermalogy Real Niacinamide 15% Serum vs COSRX The Niacinamide 15 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.
NEOGEN — Dermalogy Real Niacinamide 15% SerumFull breakdown →
COSRX — The Niacinamide 15 SerumFull breakdown →
| NEOGEN Dermalogy Real Niacinamide 15% Serum | COSRX The Niacinamide 15 Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $38 | $23 |
| Best landed cost | $38 | $21.25 |
| Rating | ★ 4.5 (800) | ★ 4.4 (2,900) |
| Evidence grade | A | B |
| Korea signal | — | #18 serum · Olive Young Korea (seed) |
| Hero ingredients | Niacinamide | Niacinamide, Zinc PCA |
| Best for | Dark spots (PIH), Pores & Oil, Acne | Dark spots (PIH), Pores & Oil |
| Skin types | Oily, Combination, Normal | Oily, Combination, Normal |
| Texture | light | light |
| Tone note | All tones | All tones |
| Fragrance-free | ✓ | ✓ |
| Fungal-acne safe | ✗ | ✓ |
| US stock | ✓ | ✓ |
Our read: NEOGEN Dermalogy Real Niacinamide 15% Serum carries the stronger evidence grade (A); COSRX The Niacinamide 15 Serum wins on landed cost. If your concerns match both, evidence is the tiebreaker we'd use.
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.