Ceramides are essential lipids that naturally occur in the skin and play a crucial role in maintaining a strong, healthy skin barrier. In K-Beauty, ceramides are highly valued for their ability to lock in moisture, protect against environmental stressors, and prevent transepidermal water loss, helping to keep the skin soft, smooth, and resilient. Commonly found in toners, serums, moisturisers, and sleeping masks, ceramides are especially beneficial for dry, sensitive, or compromised skin, supporting the K-Beauty philosophy of nourishing the skin barrier for long-lasting hydration and a healthy, radiant complexion.