@lanerin711: Replying to @Ser369 One reason I keep using this retinol oil is because retinol isn’t a gimmick. It’s one of the most researched ingredients in skincare, and with consistent use I’ve noticed smoother skin and a healthier overall look. This has become a staple in my nighttime routine. #COSRX #RetinolOil #SkincareRoutine #Retinol #TikTokShop @COSRX US