Zhè zhǒng tuōmáoqì shì jīguāng de, jiànxiào bǐjiào màn.
This kind of hair remover is laser-based, so results come slowly.
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usage
脱毛器 covers a range of devices: mechanical 拔毛 epilators, IPL 光子脱毛仪 (guāngzǐ tuōmáoyí), and laser 激光脱毛器 — all marketed for at-home body hair removal. 脱 here means 'to shed/remove'.