COSRX The Vitamin C 23 Serum vs NEOGEN Dermalogy Real Vitamin C 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.
COSRX — The Vitamin C 23 SerumFull breakdown →
NEOGEN — Dermalogy Real Vitamin C SerumFull breakdown →
| COSRX The Vitamin C 23 Serum | NEOGEN Dermalogy Real Vitamin C Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $25 | $38 |
| Best landed cost | $25 | $43.99 |
| Rating | ★ 4.4 (6,200) | ★ 4.4 (1,200) |
| Evidence grade | A | B |
| Korea signal | #6 serum · Olive Young Korea (seed) | — |
| Hero ingredients | Vitamin C, Vitamin E | Vitamin C |
| Best for | Dark spots (PIH), Dullness, Aging | Dullness, Dark spots (PIH), Aging |
| Skin types | Normal, Combination, Oily | Normal, Combination, Oily, Dry |
| Texture | light | light |
| Tone note | All tones | All tones |
| Fragrance-free | ✓ | ✗ |
| Fungal-acne safe | ✗ | ✗ |
| US stock | ✓ | ✓ |
Our read: COSRX The Vitamin C 23 Serum carries the stronger evidence grade (A); COSRX The Vitamin C 23 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.