Builder Top Coat: Apply a thin layer of no wipe top coat for shiny glossy finish and natural strong nails | Cure Required: Cure under UV lamp for 60s. Cure longer if you apply a thick layer or use a low-wattage UV lamp | Bigger Volume: 16ml(0.54 fl.oz) colorist series large bottles with a champagne metal design | 4 Weeks Long-Lasting: Nail prep, base coat and top coat are essentials for gel polish. Lack any one of them will result in instant peeling off | Toxics Free: Lower odor compared to traditional nail polish. All ingredients in strict compliance with FD&C Act and SGS certified