Purchased on Amazon on February 6, 2023. I used it for a month or two after buying it, but it has been stored away since then. Operation has been confirmed. I didn't see any noticeable scratches. Product Description ● Thoroughly cleanses pores, providing refreshing care anytime, like a head spa salon. ● Two attachments use hard materials designed for men's firm muscles. ● Firmly grips the skin and provides comfortable stimulation for care. ● Can be used not only on the scalp but also for face, neck, and shoulder care. ● Waterproof (IPX7) and convenient for use in the bath! ● Product size: Approximately 9.7 x 10.5 x 10.3 cm, body weight = approximately 287g ● Product materials: (Body) ABS resin, polycarbonate, polyacetal, (Attachments) silicone, polycarbonate, (Charging stand) ABS resin ● Product contents: Power consumption: Approximately 3W (when charging) Accessories = Head attachment, kneading attachment, charging stand