Refill kit for the DDF Revolve 400X Micro-Polishing System.</br></br>Product Description</br></br>While most at-home devices vibrate or oscillate?? DDF Supersonic has a unique continuous rotating motion at up to 400 rotations per minute that transmits more energy to your skin than other devices?? which leads to more effective exfoliating.  The ultra-soft foam head combined with gentle exfoliating sodium crystals rotates against your skin and polishes away imperfections to deliver professional results.</br><br/>http://www.amazon.com/gp/product/B003ILM4SO