Round Lab 1025 Dokdo Cleanser is a popular Korean facial cleanser that is known for its gentle yet effective cleansing properties. It has a slightly acidic pH (5.0-6.0) that is similar to the skin's natural pH, which helps to maintain the skin's moisture balance and prevent it from drying out. The cleanser is also formulated with deep sea water from Dokdo Island, which is rich in minerals that help to nourish and protect the skin.