What it is: A special tip designed for your MicrodermMD, RejuvadermMD or MiniMD microdermabrasion device that opens pores to ready your skin for nutrients.What it does: The counter-intuitive combination of suction and the design of the tip help drive nutrients into the skin for maximum absorption. How to use: To use this attachment, apply your favorite serums, creams or other skin care products and use the microdermabrasion device on the lowest power level to drive the product into your pores for maximum absorption and delivery of nutrients. The vacuum suction will improve circulation as well. Compatible with MicrodermMD, RejuvadermMD or MiniMD microdermabrasion devices