! Do NOT add essential oils! ✿ Nano Ionic Technology: nano ionic hot steam will be generated in 20 seconds, easily penetrate deep into the skin, replenish faces with the natural moisture, keep your skin tender and moist. Protect you from dry skin in all seasons especially in winter. ✿ Safe & Healthy: Auto cut-off when water is used out. UV light is designed in side with high-tech ozone function to activate the hydrophilic factor and replenishes water in your skin more effeciently. ✿ Proper Steaming Time: 70ml water tank will last 10 minutes. Enough for a comfortable 5-8min steaming time [every time ]. Perfect to moisturize skin more quickly and replenish more thoroughly. ✿ Elegant Design: nice look with cute piano-white body and agate-red petal-shaped nozzle. The small brim of the water tank on the back makes it easy to remove for adding water. Perfect to be a gift on Brithday, Anniversary, Valentine's Day, Christmas, etc. ✿ Service & Note: send us message on amazon or to brand email with any question. Problem will be solved in 24h. NOTE: this is a heating appliance, please read instruction carefully before use to avoid any accident. KEEP SAFE!