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Vitamin C products at COSRX

COSRX has two vitamin C derma products combining pure vitamin C (ascorbic acid) in high percentages. The two products contain 13% and 23% of ascorbic acid and the same active ingredients, such as tocotrienol (super vitamin E), hyaluronic acid, and allantoin. You can expect similar effects from the two products, but the two options are available for you to select depending on your desired strength and feel