Dr.G Dermoisture Barrier.D Liquid Toner 200ml. This creamy-type toner from South Korea offers intensive moisture to sensitive skin of all ages. Formulated with a gentle pH 4.5, it hydrates dry skin to deep skin layers, keeping it hydrated all day long. The Double Barrier.D, composed of Dexpanthenol, Filaggrin, and Pro Vitamin D, strengthens weak skin barriers to prevent dehydration and skin breakdown. Skin irritation test completed. How to use: After cleansing, apply a moderate amount onto the skin and gently pat for better absorption.