8in1 Hydro Peeling Deep Pore Cleansing Visual Camera Skin Analyzer Microdermabrasion Machine Working Principle of the 8-in-1 Hydro Facial Machine This all-in-one facial machine combines vortex negative pressure hydro peeling, ultrasonic vibration, bipolar RF, microcurrent, oxygen spray and hot-cold thermal technology. It cleans pores, boosts essence penetration, stimulates collagen, lifts facial contours and soothes the skin through safe physical energy — completely non