First this pen does more than just vibrate. It does move up and down, it just goes so fast that you can not tell. I bought one once off the auction site. It was a knockoff, only vibrated and did more damage than good. Professionals use and trust this pen! Anyway, because this pen moves so fast it may make gliding along the skin more difficult so I highly recommend a gel or hyaluronic acid. I also recommend lidocaine. You are essentially stabbing yourself hundreds if times. These little tears produce collagen, plumping skin and repairing it. It helps wrinkles, redness, acne and stretch marks. Don't expect results overnight, though. This takes patience and persistence. I've used rollers and manual wands for years. When I have stuck to it, I have seen huge improvements in my stretch marks. No, they will never go away, but they have shrunk and are thinner and not as deep. This pen will help new ones fade faster too. This pen is magical because it does the stabbing for you so fast you don't notice. Taking a roller to your face is hard, and many give up. This pen is portable and wireless which is fantastic. I hate cords but if it does die, you can also use it plugged in. It has six speeds, and you can adjust the depth to the area you are treating. Follow the recommendations, going too deep on your face can cause damage you don't want. This pen is well made. Each needle tip comes individually wrapped for hygiene. They are also easily bought on Amazon. If you have been looking for a derma pen, don't waste your money on the other ones!