As the years pass, the face loses its firmness. The cheekbones are less full, the contours of the face become less defined. Following the launch of Sisleÿa L’Integral Anti-Age, Sisley Research is going even further in its innovation and addressing the origins of behavioral aging. To restore the toned appearance of youthful skin and defy gravity, Sisley has created Sisleÿa L'Integral Anti-Age Firming Concentrated Serum