The Anua Heartleaf 77% Soothing Toner is a highly moisturizing and mildly acidic pH toner that’s infused with 77% houttuynia cordata extract along with eleven other food-grade ingredients to soothe skin troubles, regulate skin’s oil-moisture levels and protect skin. The superstar ingredient of this product is Houttuynia Cordata Extract which is known for its moisturizing, anti-bacterial properties, and most notably, its anti-inflammatory. This is greatly effective for calming skin troubles.