hair removal device; depilator; epilator
Refers to any device used for removing unwanted body hair, including electric shavers, epilators, and IPL devices.
I bought a new hair removal device and tried it out right away.
This depilator is designed to be gentle on the skin.
除毛 also means hair removal, but 脱毛 is more common for cosmetic hair removal; 脱毛器 is the standard term for the device.
Compound of 脱毛 (hair removal) + 器 (device, instrument).