YSL Top Secrets Re Plumpling Concentrate Lip & Contour Shaper by Yves Saint Laurent – 0.5 oz. This new smoothing concentrate visibly plumps lips and redefines the lip contour, to offer comfort, definition and radiance. Leaves lips looking well shaped, luscious and sensual, and feeling smoother and more supple. Fits perfectly into your handbag, to moisturise and beautify your lips at any time of the day. Perfect as a lipstick or lip gloss base.