Review on Koi Beauty 80 Tips Skin Rejuvenation Stamp Pen for Cosmetics by Whitney Richardson

1.5mm View. I've used this 3 times, once a month for the past three months (I use it at the very end or beginning of a new month) on my scarred face. I personally find it MUCH easier to manage than a rolling type of the same length. I was never able to squeeze hard enough to actually hurt the skin and bleed a little. my face was nothing but water for 3 full months) I still had small closed comedones all over. But I decided to try and hope they didn't get worse. And they actually got better after the first use, I would say 75-80% of my closed comedones were gone after my first dermatamping. My scars are still visible after 3 uses but are a little better.