I purchased this from Amazon and used it a few times, but I didn't use it much because I already have a facial device. It comes with the instruction manual. There are various product descriptions and reviews on Amazon, so please refer to them♪ Thank you! (^_^) [Supervised by a Certified Senior Esthetician] RELX Water Peeling Facial Device, Ultra-Lightweight 70g [Domestic Manufacturer] Multi-functional Facial Device, Ultrasonic EMS Ion Peeling Cleansing Pore Care Blackheads Present Gift (Rose Gold)