Our best-selling Repairing Eye Sticks fights dark circles and puffy under eye bags. To use, shake the stick, then apply it gently under your eyes once daily or as needed. You can expect to experience a cooling sensation thanks to the caffeine. Results typically start to surface after a few weeks of regular use. ----- Our best-selling Repairing Eye Sticks fights dark circles and puffy under eye bags. To use, shake the stick, then apply it gently under your eyes once daily or as needed. You can expect to experience a cooling sensation thanks to the caffeine. Results typically start to surface after a few weeks of regular use.