APLB Glutathione Niacinamide Ampoule Serum vs Numbuzin No.5 Vitamin Concentrated 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.

APLB — Glutathione Niacinamide Ampoule SerumFull breakdown →

Numbuzin — No.5 Vitamin Concentrated SerumFull breakdown →
| APLB Glutathione Niacinamide Ampoule Serum | Numbuzin No.5 Vitamin Concentrated Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $16.4 | $28 |
| Best landed cost | $24.90 | $28 |
| Rating | ★ 4.9 (111) | ★ 4.5 (3,300) |
| Evidence grade | C | B |
| Korea signal | — | #9 serum · Olive Young Korea (seed) |
| Hero ingredients | Glutathione, Niacinamide | Vitamin C, Niacinamide, Glutathione |
| Best for | Dullness, Dark spots (PIH) | Dullness, Dark spots (PIH) |
| Skin types | Oily, Dry, Combination, Normal | Normal, Combination, Oily, Dry |
| Texture | light | light |
| Tone note | All tones | All tones |
| Fragrance-free | ✗ | ✓ |
| Fungal-acne safe | ✗ | ✗ |
| US stock | ✗ import only | ✓ |
Our read: Numbuzin No.5 Vitamin Concentrated Serum carries the stronger evidence grade (B); APLB Glutathione Niacinamide Ampoule 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.