numbuzin - No.5+ Vitamin Concentrated Serum 30ml

numbuzin No.5+ Vitamin Concentrated Serum is a high-strength brightening serum powered by stabilized vitamin C and niacinamide to visibly fade dark spots, even skin tone, and restore glow.

The lightweight, fast-absorbing texture layers cleanly under moisturizer and SPF, making it a K-beauty staple for dull, tired, uneven skin.

Apply a few drops to clean skin morning and night, then always wear SPF by day.

Browse Brightening & Even Skin Tone for more, or check our best Korean serum for dark spots. Shop all of numbuzin in the numbuzin collection.

numbuzin No.5+ Vitamin Serum: common questions

What does numbuzin No.5+ Vitamin Concentrated Serum do?
It targets dark spots and dullness with vitamin C and niacinamide, brightening the complexion and evening tone over time.

How do I use the numbuzin No.5 vitamin serum?
Apply a few drops to clean skin after toner, morning and night, then follow with moisturizer and daytime SPF.

Is the numbuzin No.5 vitamin serum good for sensitive skin?
Its niacinamide-based formula is generally well tolerated, but patch-test and introduce it gradually if your skin is reactive.