Yves Saint Laurent Rouge Pur Couture Lipstick. Looking to go bold with you lipstick shades this winter? Check out Yves Saint Laurent’s Rouge Pur Couture Lipstick. Gliding effortlessly onto lips, this lipstick glimmers with a decadent shine. The buildable texture provides intense pigmentation as its creamy texture sits comfortably on the lips. Encompassed in a sleek golden hue, the case embodies the magnificence of the lipstick it holds.