Longer Running Time and Protection<br> A 250ml water tank allows for about 30 minutes of working time with a completely silent operation. A pre-set over-heating protection could turn it off every 10mins, you can turn it on again to use.<br> Our facial steamer improves cell vitality and oxygen absorption through the skin for a healthier younger looking complexion. Use it to help open and unclog your pores to allow better penetration of follow-up facial cleaning products such as cleansers or face masks. Also, use it prior to applying makeup for a more natural feel and appearance of your skin.