The dermaroller just gets better and better! I love this skin needling device so much! It has taken years off the appearance of my skin and NOW, thanks to the 1.5mm size, this 40 year old mother has NO STRETCH MARKS!!! None! Check out this page to see how peaches and cream lovely my skin has become thanks to hte dermaroller! http://dermaroller.yolasite.com/derma-roller-for-stretch-marks.php