Note: please add mineral water to the spray, do not add pure water, distilled water, essential oils, hydrosols, viscous liquids, etc., because whether the water density is too high or too low, it will to poor atomization and water droplets or blockage in the spray nozzle; When adding liquid, dont be too full, thus the sprayer works better; You can add perfume, milk, alcohol for other usages, just explore by yourself, but please remember to adjust the ratio, the recommended ratio is 10:1 Large capacity: the 30 ml storage volume can be applied about 16 to 18 times, producing a lot of mist, no need to add water frequently; Mineral water will help enhance the function of this USB rechargeable nano sprayer, and it can last all day; Please note this facial mister is spraying cool mist, not hot mist Nano sprayer: this nano facial sprayer can be applied to nourish your face, body, hair, and can be applied as an eyelash extender, suitable for most skin types, the nano sprayer can directly penetrate into the deep layer to achieve better absorption effect; You can add milk, perfume, toner, etc., but please remember to adjust the ratio, the recommended ratio is 10:1 Repairing function: when you using facial products and facial massage after sunburn, they will irritate the skin and skin feels sore and itchy, you can use our product for a few minutes, the skin will recover quickly; USB charging is also easy to use, it can be charged once a week without battery to satisfy your daily needs You will get: the package includes 4 pieces of portable nano facial mister in simple yet classic colors, the size of each water tank is 10 x 4 x 4 cm/ 3.94 x 1.57 x 1.57 inches and the capacity is 30 ml, which is suitable for home or going out, each package is equipped with a USB charging cable for easy replacement, the USB charging design makes the charging process easier