Comparison
No.5 Vitamin-Niacinamide Concentrated Serum vs Reedle Shot 100
Numbuzin vs VT Cosmetics — side by side, no bias.
Our pick
Reedle Shot 100
9/10 · VT Cosmetics
| No.5 Vitamin-Niacinamide Concentrated Serum | Reedle Shot 100 | |
|---|---|---|
| Brand | Numbuzin | VT Cosmetics |
| Category | serum | serum |
| Editor Rating | 7.5/10 | 9/10 ★ |
| Category | serum | serum |
| Texture | Lightweight, slightly acidic watery serum | Thick, almost gritty serum with fine microneedle spicules you can feel on application |
| Finish | bright, semi-matte | smooth, slightly tingling, refreshed |
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| Cons |
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| Verdict | Numbuzin's vitamin C offering pairs pure ascorbic acid with niacinamide and ferulic acid — a well-researched combination for brightening and antioxidant protection. The formulation is sound, though the concentration of ascorbic acid isn't disclosed, making it hard to compare directly with transparent competitors like Klairs or Melano CC. The texture is pleasant and non-irritating for most, but it lacks the potency punch of dedicated L-ascorbic acid serums. A good everyday brightening serum, not a powerhouse treatment. | At-home microneedling in a bottle. The spicules are made from freshwater sponges and feel like tiny prickles as you massage them in — the sensation is alarming the first time but completely normal. Over 4-8 weeks, it genuinely improves texture, reduces pore visibility, and smooths scarring. Start with the 100 concentration before graduating to 300 or 700. |