Nano Facial HumidifierAdjustable steam levels High quality, secure, aluminum vaporizer pot with an auto off function. After using a facial cleanser, use the steamer for 8 10 minutes (according to your skin condition), so that the facial pores fully open. Use as part of regular skincare regime for visible results You can add essential or aromatherapy oils. Used on normal, oily, dry, combination and sensitive skin types.