Numbuzin vs TIRTIR — side by side, no bias.
Our pick
Niacinamide 20% Serum
8.6/10 · TIRTIR
| No.3 Skin Softening Serum | Niacinamide 20% Serum | |
|---|---|---|
| Brand | Numbuzin | TIRTIR |
| Category | serum | serum |
| Editor Rating | 8.5/10 | 8.6/10 ★ |
| Category | serum | serum |
| Texture | Lightweight, milky serum with slight opalescence | Lightweight, slightly viscous serum |
| Finish | glowy, smooth | Matte, refined, even-toned |
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| Verdict | The product that made Numbuzin a household name in Korea. At 82% galactomyces ferment filtrate, this is essentially a more affordable, modernized version of the fermented essence concept popularized by SK-II and Missha. The galactomyces base genuinely improves skin texture and brightness over time, and the addition of niacinamide amplifies the effect. The glow is visible from the first application, though the lasting transformation takes weeks. One of the best value treatment serums in current K-beauty. | A triple-threat brightening serum that stacks 20% niacinamide with 2% alpha-arbutin and glutathione — the kind of active concentration you'd expect from a clinical brand, not a $25 bottle. Tackles dark spots, enlarged pores, excess sebum, and early fine lines simultaneously. The texture is surprisingly lightweight for such a high-concentration formula, absorbs without pilling, and doesn't cause the flushing that cheap niacinamide serums are notorious for. If The Ordinary taught the world that niacinamide works, TIRTIR taught them it doesn't have to feel like a science experiment. |
