on those days when eye cream just isn't enough, use the gel inside this handy pen to fight dark circles around the eyes and inflammation under the eyes! The cellex-c under eye toning gel comes to the rescue when your eyes are showing the strain of staying up late, respiratory or sinus issues, or water retention. azulene, eucalyptus and peppermint are among the natural ingredients found in this product. The individual botanical ingredients contained in the pen were chosen for their natural abilities to energize and improve the elasticity of the skin around the eyes. Drooping skin is tightened, dark circles are lightened, and eyes brighten up again. this pen can be used whenever it is needed. It works on all skin types, on both men and women. Apply by working the applicator tip around the orbital bone of your eye, but do not come too close to the corners of the eyes. This product can be used under make-up, and over make-up if necessary.