The Isntree Hyaluronic Acid Airy Sun Stick is a sunscreen stick that provides broad-spectrum sun protection with SPF 50+ PA++++. It is infused with hyaluronic acid to help hydrate the skin. The sunscreen stick is lightweight and non-sticky, and it is easy to apply. It also has a teardrop-shaped applicator that makes it easy to apply in hard-to-reach areas.