ULTRASONIC NANO TECHNOLOGY: Nano ultrasonic technology splits water molecules or the mixture of skincare lotion and water into tiny nanometer particles to make the effective component penetrate into the depth of skin by atomization processing, for better moisturizing and hydrating skin care. Multifunctional Mist Sprayer : Ultrasonic vibration technology, . Also has power back function and skin detection function which it can measure the oil and moisture on your skin and will display on the LCD screen. It can produce finest cool fog in 10 seconds for moisturizing skin and will not ruin the makeup Calming skin: Using face mask and massage maybe will stimulate the skin after sunburn. Pores open or skin feels painful and itchy. You can spray on face, neck , arms and legs after getting sunburn can fast calm skin, reduce redness and pain Balance grease: The handy face mist sprayer can also remove dirt, oil and the other impurities or the leftovers of makeup. Refreshing skin and relieving fatigue are also effective. Control oil water balance, make your face looks bright, fresh and with good complexion. All-around water replenishment, which can be used on face, hands, body, hair etc, reduce fine wrinkles and skin sensitivity Please use mineral water, because tap water and spring water contain more impurities, causing the formation or spray of water droplets. Can add hydrosol, aqua tonic or pure milk to mineral water and use it after 1:9 dilution (such as 10% pure milk plus 90% mineral water) Please do ont use pure water because it's water molecules are too small and will easily condense into droplets.