COSRX The Ceramide Skin Barrier Moisturizer is a skincare product designed to replenish and strengthen the skin's natural barrier. The key active ingredient in this moisturizer is ceramide, a type of lipid molecule that is naturally found in the skin's outermost layer. Ceramides play a crucial role in maintaining the skin's hydration levels and protecting it from environmental stressors. Ceramides work by forming a protective barrier on the skin's surface, reducing water loss and preventing the penetration of harmful substances. Additionally, ceramides help to regulate skin cell turnover and improve overall skin barrier function. This can result in enhanced hydration, improved skin texture, and increased resistance to external irritants. In addition to ceramides, COSRX The Ceramide Skin Barrier Moisturizer contains other beneficial ingredients such as hyaluronic acid and niacinamide. Hyaluronic acid is a humectant that attracts and retains moisture in the skin, promoting hydration and plumpness. Niacinamide, also known as vitamin B3, has anti-inflammatory and antioxidant properties that can help to reduce redness, improve uneven skin tone, and enhance the skin's natural protective barrier. The pH of COSRX The Ceramide Skin Barrier Moisturizer is formulated to be compatible with the skin's natural pH, which is typically around 4.7 to 5.75. This ensures that the product maintains the skin's acid mantle, a protective barrier that helps to defend against