CALMING LIQUID MILD from COSRX. Calming Liquid Mild is a vegan toner, specially designed for acne prone skin. It is also recommended as a treatment for large pores and blackheads. This daily toner is formulated with Green Tea and a blend of 3 Centella Asiatica extracts - a combination of natural ingredients that soothe and repair irritated skin. In addition, it contains PHA and BHA acids, which gently exfoliate the skin and remove excess sebum. Tea tree leaf oil, panthenol (vitamin B-5), and allantoin provide anti-inflammatory benefits.