Butter London's colors are highly pigmented have great coverage and its vitamin formula promotes nail strength. Long live nails. Nail polish is created in a lab. Nail lacquer is created on the runway. Whether you call it nail polish or nail lacquer make sure you know the high price of beauty. These polishes are carcinogen-free, no formaldehyde, formaldehyde resin, toluene, DBP or camphor. You won't be able to choose just one!