Yves Saint Laurent Forever Youth Liberator Night Cream 50ml. FOREVER YOUTH LIBERATOR is the 1st skincare by Yves Saint Laurent containing Glycanactif, a patented¹ combination of 3 glycans, to help enhance the youthful properties of the skin. VISIBLE RESULTS:Immediately nourished with moisture, the skin appears more radiant. Skin feels smoother, suppler and looks more luminous. Shop At House Of Fraser