Yves Saint Laurent Beaute La Laque Couture DetailsYves Saint Laurent introduces the new line of La Laque Couture. Its vibrant collection makes every woman couture to the fingertips. New formula offers extreme shine and care for nails. 0.34 fl. oz./10 mlDesigner About Yves Saint Laurent: Founded in 1961, Yves Saint Laurent was the first couture house to introduce the concept of luxury pret-a-porter in a 1966 collection called "Rive Gauche," synonymous with youth and freedom. This shift represe.