numbuzin No.5+ Vitamin Concentrated Serum 30mL+30mL Duo Set

The Gist

The numbuzin No.5+ Vitamin Concentrated Serum is a lightweight antioxidant serum marketed to address post-sun damage and skin texture concerns. It arrives as a duo set (30mL + 30mL), designed for daily layering. Detailed user reports on texture—whether it’s thin, tacky, or hydrating—are limited in available reviews.

What Korean reviewers say

Olive Young Global shoppers gave this serum a strong 4.8 out of 5 across 3,715 reviews. The glutathione and niacinamide pairing appeals to those managing visible skin stress, especially after intense sun exposure. Detailed written reviews are limited, but the product is positioned as hypoallergenic and barrier-supportive, with users reporting it suits reactive or compromised skin seeking gentle antioxidant support.

Bottom line

At $27.30 for 60mL total, the duo set offers reasonable value if you’re committed to a serum routine. It’s a sensible pick for sun-damaged or sensitized skin types, though you’ll want to test texture compatibility in-store or via a sample before committing to full bottles.