I have been using the Deminuage device with both types of NanoChips several times a week for the last few weeks. I am an older woman with acne scars, lax skin, pigmentation, and some wrinkles. My skin has had a positive response and has tightened, lightened, and has a translucent glow. My acne is pretty much over right now. It definitely looks much better and I will continue to use these products! It takes just a little time and is easy to do. But you do have to keep doing it. Whatever products you use do seem to have a greater effect. I have been using their serum and I also use other simple moisturizing products afterwards. My skin looks great and I am very happy to have found this!