Numbuzin

Numbuzin No.5+ Glutathione Vitamin Concentrated Serum – A concentrated, research‑backed formula that synergistically combines four globally recognized brightening agents at optimal concentrations: 4% Tranexamic Acid, 5% Niacinamide, Glutathione, and Vitamin C derivative. Clinically proven to visibly improve skin tone and brightness in 2–4 weeks. Interrupts melanin production at multiple stages – fades dark spots, melasma, and PIH while being gentle enough for sensitive skin. Fast‑absorbing, non‑sticky, and layerable.