sunxianglong via Amazon offers the Miserwe Waterproof Sonic Facial Brush for $23.99. Coupon code "QMVYEHLW" cuts that to $18.95. Plus, Prime members bag free shipping. That's $62 off and the best price we could find. It features two speeds, three sonic modes, face brush, puff head, fine soft silicone brush, and 3D veneer brush head.