GLOBAL ACTION ON THE Y-SHAPE. The first firming concentrate by Yves Saint Laurent, containing the Glycanactif Y™ complex, to act on the look of the Y-Shape (face, neck, décolleté) through a firming effect. Visible results: in just 7 days, skin feels suppler and looks more luminous. After 1 month, facial skin feels firmer and denser, the neck and décolleté look visibly tighter, for a more defined Y-Shape. Apply morning and evening on face, neck and décolleté. WHAT'S INSIDE : Glycanactif Y™ YSL.SKINSCIENCE¹ has developed the Glycanactif Y™ complex, a combination of glycans, to help improve skin's natural firmness. ¹ A committee of experts who work on the latest advances in Glycobiology for cosmetics BENEFITS : FIRMER FACE: 31%¹ on lower face sagging. TIGHTER NECK: 19%¹ on neck sagging. DENSER DECOLLETE: +7%¹ on density. ¹Clinical gradings on 42 women – 1 month – percentage of improvement of clinical scores. BENEFITS (SPECIFIC ASIA) : FACE – skin looks less slackened for 92%¹ of women NECK – skin looks less slackened for 92%¹ of women DECOLLETE - skin looks smoother for 92%¹ of women ¹Self-assessments – 51 women – 4 weeks.