numbuzin No.5+ Glutathione Vitamin Concentrated Serum

The viral serum of the No.5 line: a concentrate of vitamins and glutathione that delivers the "vitamin C glow" without the sting. Skin looks rested, fresh, even.

Why we love it

• The vitamin glow without the discomfort
• Best-seller of the No.5 line in Korea
• Works even for skin that can't tolerate pure vitamin C

How to use

1. After toner, apply one to two pumps.
2. Press over the whole face.
3. Morning (with SPF) and evening.

Who it's for

Dull, tired, uneven complexions — and everyone whom classic vitamin C stings.

Why GLOW:ME chose it

The serum our customers recommend to each other most — glow without the constraint.

FAQ

Does it replace a vitamin C serum?
Yes — that's its role, in a gentle, stable version.

Can I pair it with retinol?
Yes: vitamins in the morning, retinol at night.

When will I see results?
A fresher tone within the first week, evenness in a month.