What is this product? COSRX Ceramide Skin Barrier Moisturizer is a medical-grade moisturizer from the renowned Korean company COSRX, specifically designed to deeply hydrate the skin and strengthen its natural protective barrier. What does it do? Deeply hydrates the skin. Contains 5 types of hyaluronic acid, which are water-retaining substances within the skin, giving you soft, plump skin. Strengthens the skin barrier. Contains ceramides, natural lipids found in the skin that protect it from dryness and irritants. Soothes sensitive or irritated skin. Contains ingredients like panthenol and allantoin, which help calm redness and itching. Who is it for? For dry or sensitive skin. For people with irritated skin or damaged skin barrier. Very safe, even for acne-prone skin. Contains no perfume or other potentially allergic ingredients. How do I use it? Wash your face with a cleanser, then apply toner. Take a small amount of the cream and apply it to your face. Gently massage until absorbed. You can use it morning and night.