Spray liberally on the forehead of your penis about 5times, use it 5 to 10 minutes before sexual intercourse , you shall experience the effectiveness very well.it helps improve the kidney function. solves. Caution: this one only one the penis, do not touch the eye. if touch carelessly , available clear water clear. Storage: store this medicine in cool and dry place , and out of reach the children. Specification: 12ml/ bottle China GF Trading Co., Ltd. 210 F1 cangshang road Fuzhuo city fujian provice China phone: 0591 83897520 15260972727 mail: seller# live.cn