Class II medical device dressing, same type used in professional clinics. Made with medical-grade sodium hyaluronate, a simplified formula that is gentle and safe. Creates a moisturizing and repairing environment for damaged skin, soothes redness, burning, and discomfort, and strengthens the skin barrier. The thin, skin-friendly mask sheet adheres well to the face and carries ample essence. Suitable for post-medical aesthetic wound care, seasonal sensitivity, sunburn discomfort, and basic skin care for dermatitis and acne.