Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you Note: Please add mineral water to the spray, do not add essential oils, hydrosols, viscous liquids, etc., because if the water density is too high or too low, it will cause poor spray pattern and water dripping or blockage in the spray tip. When you add liquid, don't be too full, so the sprayer works better. You can add perfume, milk for other uses, just explore by yourself, but remember to adjust the proportion. Recommended proportion: 1 0 to 1 What You Get: You will receive 4 nano facial sprayers in different colors and compact in size, can comfortably fit in any purse, purse, bag or pocket, you can use it anytime and make your cool and comfortable face, handy size and light weight make it easy to carry anywhere, slim enough to carry in your wallet without taking up too much space, easy to use, just press the button on and off Effective Functions: Our facial steamers adopt scientific technology to create fine mist, which can be absorbed instantly, can penetrate your skin and open pores to moisturize and soothe your skin, leaving skin feeling soft and smooth, helping to remove dirt, cosmetic residue on your face KEEPS YOU COOL: This handy mini mist sprayer will spray a cool and comfortable mist to soothe dry skin and relieve sun damage, restore your damaged skin and make you feel relaxed and cool on a hot day and helps skin to stay hydrated during the winter season Simple to use: just fill it with water, push the switch down, and it will automatically send out soothing mist, this USB rechargeable facial mist can serve you for a long time, you can just enjoy hydration in the office, in flight, outdoors, in the bedroom and more