COSRX The Niacinamide 15 Serum 20ml glass skin serum 5%): Known as "Tiger Grass

5%): Known as "Tiger Grass

Daily cleansing routine

and strengthen the skin barrier

This luxurious whip foam cleanser removes impurities

Infused with 10 different types of Hyaluronic Acid

COSRX The Niacinamide 15 Serum 20ml glass skin serum 5%): Known as "Tiger GrassThe COSRX The Niacinamide 15 Serum is a powerful blemish fighting and skin brightening treatment designed to transform uneven, dull, and acne prone skin. Formulated with 15% Niacinamide, it helps visibly reduce dark spots, control excess oil, and tighten pores for a smoother, more refined complexion. Enriched with Zinc PCA, Allantoin, and N Acetylglucosamine, this potent serum calms inflammation, strengthens the skin barrier, and supports clear,