... effect 1. Theory of operatingBased on the advanced patent technology, the device is designed to produce high concentration oxygen molecule, along ... induce the active gene by the special molecule technology. 2 pressures help spray the nurture out to remove wrinkles and to rejuvenate the skin ... the excretion of toxin. 4.Spray gun1. spray needle cover ,2. gas nib,3.essential nozzle,4.gun body and liquid ...