The COSRX Ultra-Light Invisible Sunscreen SPF50 PA++++ is a sheer and transparent formula that absorbs quickly into the skin without any white cast. It is a chemical sunscreen with broad spectrum SPF50 PA++++ which helps protect the skin from photoaging and longtime sun exposure. It is enriched with Aloe and Witch Hazel which soothe and hydrate the skin. It also contains Niacinamide and Tocopherol for brightening and antioxidant benefits. It has a serum-like texture which is hydrating but non-greasy and doesn't feel sticky even with reapplication. It has been tested for sensitive skin and eye irritation.