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

and fermented oils

complementing the strengthening effects of your shampoo

which protects the notoriously unstable molecule

For users with chronic body acne

Artemisia argyi (Korean mugwort

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