Touche Éclat's concept is now applied to lip makeup thanks to a new generation of mother-of-pearl that promotes unparalleled radiance: the lips are dressed up with an irresistible iridescent brilliance.How to use: Apply alone, or as a top coat over lipstick. For even plumper-looking lips, apply a dot of Touche Brillance at the centre of the lips.

• By Yves Saint Laurent.