Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice C25 Super Booster Versus COSRX The Vitamin C 23 Serum

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

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  • This brightening treatment is formulated around Ascorbic Acid to fade the look of dark spots and brighten dull-looking skin.
  • 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.