The hype surrounding this product was practically inescapable. Several viral TikTok reviews popped up all over my FYP, with people calling it a K-beauty must-have. This little green box is a constantly sold-out bestseller at Olive Young, South Korea’s mega-beauty retailer. A makeup artist I met in Seoul even named it as her favorite product. From what I gather, these toner pads are increasingly favored over sheet masks. Korean skincare enthusiasts are relying on them for a serious hydration boost, in order to prep their skin before makeup and even for treating acne. Happily, the product is now available in the US at Amazon and on Mediheal’s official US website, which provides international shipping.