Anua Niacinamide 10% + TXA 4% Dark Spot Serum vs COSRX Alpha-Arbutin 2 Discoloration Care 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.
A
Anua — Niacinamide 10% + TXA 4% Dark Spot SerumFull breakdown →
COSRX — Alpha-Arbutin 2 Discoloration Care SerumFull breakdown →
| Anua Niacinamide 10% + TXA 4% Dark Spot Serum | COSRX Alpha-Arbutin 2 Discoloration Care Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $22 | $25 |
| Best landed cost | $22 | $30.99 |
| Rating | ★ 4.5 (2,140) | ★ 4.4 (650) |
| Evidence grade | A | B |
| Korea signal | #3 brightening serum · Olive Young Korea | — |
| Hero ingredients | Niacinamide 10%, Tranexamic acid 4% | Alpha-arbutin, Tranexamic acid, Niacinamide |
| Best for | Dark spots (PIH), Dullness, Pores & Oil | Dark spots (PIH), Dullness |
| Skin types | Oily, Combination, Normal, Dry | Oily, Dry, Combination, Normal |
| Texture | light | light |
| Tone note | All tones — standout for medium–deep tones fighting PIH | All tones |
| Fragrance-free | ✓ | ✓ |
| Fungal-acne safe | ✗ | ✗ |
| US stock | ✓ | ✓ |
Our read: Anua Niacinamide 10% + TXA 4% Dark Spot Serum carries the stronger evidence grade (A); Anua Niacinamide 10% + TXA 4% Dark Spot 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.