... 18/410,20/410Application: hand soap ,facial cleanser, medicine lotion ,cosmetic lotion etcDosage: 0.17-0.27g/timeFor the first pump ... , 3-5 times for pumping will workMulti-layer leakage-prevention design ,for guaranteeVarious colors for optionMaterial Dust Cap , Actuator , Stem , Housing , ... at anytime if you are interested in the products Manual aluminum dispenser pump for cosmetic bottle