COSRX Refresh AHA BHA Vitamin C Booster Serum

A concentrated exfoliating booster serum that combines glycolic acid, betaine salicylate, and a stable vitamin C derivative with naturally sourced kiwi and dragon fruit extracts to refine texture and brighten the look of dull, uneven skin. Designed to be introduced gradually, it pairs well mixed into a moisturiser or used as a standalone targeted treatment.Key Benefits: Glycolic acid (AHA) exfoliates to smooth the look of rough texture Betaine salicylate (BHA) helps clear the look of congestion and pores Ascorbyl glucoside brightens without the instability of pure vitamin C Niacinamide supports a more even, balanced-looking tone Best introduced 1-2x weekly, building up as tolerated