What is 3 Free? butter LONDON is a 3 Free company: no formaldehyde, no toluene, no DBP (dibutyl phthalate). This luxury nail lacquer is high-fashion, heavily pigmented and safe. butter LONDON believes in rock'n' roll. Great Britain. And Fashion. Shades include: - Two Fingered Salute: Similar to giving the bird in the states. Naughty! A muted, patinaed green-creme with copper micro-glitter. - Billy No Mates: Brit slang for a poor chap with no friends. A pale, dove-gray creme. - Stag Do: A British bachelor party. A deep, slate blue with a slightly green shimmer. 0.4 oz. By butter LONDON.