* 0.5mm Titanium Needle. * Assists with reduction of wrinkles, crow's feet, derma problems. cellulite, stretch marks, dark spots and enlarged pores. * Do not share with other people. * Using ultraviolet to disinfect for about 45 minutes. * Try it on the back of your hand so you can get a feel of the right pressure. * Make sure your face is completely clean. * Never apply force when rolling it on your face. * Do not exceed 10-15 minutes per application. * Allow your skin a few days of rest after each session. * Never use on open pores or wounds. * Submerge roller in Hyrogen Peroxide or Achohol to disinfect. * Always clean and sterilize before and after each use.