Ingredient or product comparison

COSRX The Vitamin C 23 Serum Versus Obagi Professional-C Serum 20%

This brightening serum is formulated around Ascorbic Acid and 3-O-Ethyl Ascorbic Acid to brighten dull-looking skin and fade the look of dark spots. This brightening serum is formulated around Ascorbic Acid and Ascorbyl Glucoside to brighten dull-looking skin

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