Fourth Ray Beautys A-List Babe Serum Stick is a lightweight solid serum that helps visibly improve fine lines and wrinkles for a youthful complexion. Retinyl Linoleate, a Vitamin A retinol derivative, is known to visibly reduce fine lines and wrinkles and smooth skin while Cloudberry Oil and Squalane support healthy skin. The gentle, water-free formula speeds up your night routine and is perfect to travel with. Use all over the face or on targeted areas.