I just love this product. I've been using this and the dermaplanning tool for a few months now and have noticed such a big difference in the texture and clarity of my skin. I bought the old microneedle roller by stacked (the one you can't switch the heads out) as well as probably 3 others from other companies and this one is hands down the best. I love that it has a head cover and the handle itself actually feels sturdy, every other one is cheap plastic. I like to spray it with rubbing alcohol and then rinse it with a simple antibac soap and let dry before on a paper towel before putting it away. Make sure to rinse well or it doesn't roll as smoothly the next use, but washing it again will usually help with any rolling resistance or the occasional squeaking lol. Great product though, great setup. The only thing I wish is that I could set up auto shipments for both these and the dermaplanning replacement heads but pretty much my only complaint.