COSRX The Vitamin C 23 Serum 20ml Beauty Device and fermented oils

and fermented oils

it forms a powerful barrier to lock in moisture and nutrients

complementing the strengthening effects of your shampoo

Daytime spot coverage: Thin enough to go under light foundation or concealer

COSRX The Vitamin C 23 Serum 20ml Beauty Device and fermented oilsCOSRX The Vitamin C 23 Serum is a potent, water free 23% L Ascorbic Acid serum formulated to target hyperpigmentation, uneven tone, and dullness effectively. What It Is This is a high concentration L Ascorbic Acid serum, a notable departure from COSRX's usual gentle, barrier focused offerings. It directly addresses photodamage, post inflammatory hyperpigmentation (PIH), and overall skin luminosity. Unlike many other Korean Vitamin C serums that use