The Anua Heartleaf 77% Soothing Toner contains 77% Houttuynia Cordata extract as its primary ingredient, along with other soothing and hydrating components. Key ingredients include Asiatica extract, Chamomilla Recutita (Matricaria) Flower Extract, Portulaca Oleracea extract, and Panthenol. The toner also contains humectants like Glycerin and Butylene Glycol, and is formulated to be mildly acidic with a pH of 5.5.