What it is： The Numbuzin No.4 Ceramide AHA Glazed Skin Prep Serum is a lightweight, milky formula that gently exfoliates with 3% AHA and 3% PHA while strengthening the skin barrier using five ceramides, panthenol, and hyaluronic acid. It smooths texture and hydrates, making dry, sensitive skin soft and radiant. Ideal as the first step after cleansing to prepare your skin for further treatments. Product Size： 30ml Product From: Korea