The Cosrx Airy Light Invisible Sun Stick SPF50+/PA++++ is a lightweight sunscreen stick with a high protection factor. The product utilizes mixed filter technology to protect against UVA and UVB rays, which can cause premature skin aging, irritation, and dryness. Key ingredients include niacinamide as an antioxidant to soothe inflammation and promote a more even skin tone, panthenol for moisture and regeneration, aloe for calming and hydration, and ceramide NP to strengthen the skin barrier and restore well-being. This formula helps prevent moisture loss and is suitable for all skin types. The stick form allows for precise application, making it ideal for targeted protection on moles and tattoos, and it is convenient for travel. For effective protection on the face and body, apply as needed and reapply every 2 to 3 hours when exposed to sunlight.