Life Dip-powder manicures: Everything you need to know about the long-lasting nail-polish trend February 27, 2019 Leora Arnowitz, USA TODAY Comments Off on Dip-powder manicures: Everything you need to know about the long-lasting nail-polish trend A powder manicure, or a dip manicure, is similar to a gel manicure in the way it’s made to last for weeks at a time, but without using UV lights.