... color demand. 3, The uv/led nail polish cured by uv or led lamp, UV lamp cures in 2 miinutes, Led lamp cures in 30-60 ... . 4, cure base coat for 30 seconds in led lamp, You can cure it for longer time if you want ... but do not be too long, 60 seconds in led lamp is quiet long enough. 5, apply first layer of color ... and cure it in 30-60 seonds by a led lamp. remember just apply nail polish on nails, not on ...