The first firming concentrate from Yves Saint Laurent, Y-Shape Concentrate is a complete approach to help skin’s contours feel firmer, look radiant and more defined. In just 7 days, skin is visibly more luminous and soft. After 1 month, skin feels firmer and looks visibly tighter. How to use: Every morning and night, apply 3 drops of the Y-Shape Concentrate to the 5 points of the face, and 4 drops on the neck and décolleté area. Using fingertips, smooth from the center towards the outside.