TIAM vs VT Cosmetics — side by side, no bias.
Our pick
Reedle Shot 100
9/10 · VT Cosmetics
| My Signature Red C Serum | Reedle Shot 100 | |
|---|---|---|
| Brand | TIAM | VT Cosmetics |
| Category | serum | serum |
| Editor Rating | 8.3/10 | 9/10 ★ |
| Category | serum | serum |
| Texture | Red-tinted vitamin C serum | Thick, almost gritty serum with fine microneedle spicules you can feel on application |
| Finish | Velvet | smooth, slightly tingling, refreshed |
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| Verdict | Tia'm's cult vitamin C serum — 5% L-Ascorbic Acid + niacinamide + Centella asiatica extract in a buffered formulation. The 5% LAA concentration is genuinely lower-irritation than 15-20% alternatives, making this one of K-beauty's more sensitive-skin-friendly vitamin C entries. Reddit cult favorite for years. | 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. |
