Conceal + Go Duo by LONDONTOWNConceal + Go Duo by LONDONTOWN For naturally perfect nails Illuminating Nail Concealer gives the illusion of naturally perfect nails, and Gel Genius Top Coat ensures the transformative effect stays put for up to two weeks of chip resistant wear. How To Use: Illuminating Nail Concealer: Apply 1 2 coats (one layer gives a sheer wash; two provides more coverage), allowing each layer to dry completely. Gel Genius Top Coat: Apply a thin, even layer over