This light-textured formula contains an extremely high 5% concentration of caffeine supplemented with highly-purified Epigallocatechin Gallatyl Glucoside (EGCG) from green tea leaves. Topical use of each caffeine and EGCG may help reduce looks of puffiness and of dark circles in the eye contour. DIrections. Massage a small amount onto the eye contour AM and PM. If irritation occurs cease use and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised.