1. Distilled water or clean pure water at room temperature is recommended to be used as the fill-up. Pure facial toner diluted with pure water (Facial Toner/Pure Water = 3/7) is also fine. Do not use lotion, milk, honey, or high viscosity essential oil.
2. Refill the atomizer with the dropper enclosed in the product package.
3. The water tank should be taken out when cleansing. Use wet cleaning cloth or tissue to wipe the exterior only, always keep the USB port dry!