The Anua Heartleaf 77% Soothing Toner is a popular Korean skincare product known for its ability to calm irritated skin, hydrate, and balance pH using 77% Heartleaf (Houttuynia Cordata) extract, making it ideal for sensitive or acne-prone skin by reducing redness and oiliness with its lightweight, non-irritating formula. It prepares skin for other products, is free from harsh additives, and helps strengthen the skin barrier for a healthy glow