The WOLTAX black head remover removes open pore and black had from your skin. It is very useful design for beautiful skin. How to use: Open up the pores by steaming or bathing when you using the facial pore cleaner. Open the machine and move the device slowly. Please don't stay in one place too long when using it in to prevent from hurting your skin. After cleaning the pore you can using the skin toning to minimize pore. Note: Please clean the nozzle before and after use. Using it for the first time, please apply it on the hand or neck to adapt to the operating and suctioning. Please do not touch the skin with your hands after treatment so as to avoid infection. Please do not use it often, up to once or twice one week. Any adverse reactions occur, please stop using it.