The ETUDE pH5.5 Relief Toner (refill) is a renewed, hypoallergenic, slightly acidic toner formulated with a pH of 5.5, panthenol, and madecassoside to soothe and calm skin irritated by external or internal stress. It contains 98.3% moisturizing and soothing ingredients, including cooling relief™ components, to hydrate and provide relief to heated, stressed skin, promoting healthy skin care.