Cosmetics Serums Helena Rubinstein Powercell Skinmunity Serum 100 ml An icon from day one that is constantly being improved for maximum efficiency. Powercell Skinmunity Serum now features a concentration of millions of plant stem cells to strengthen all skin types, even those of women with the most hectic lifestyles. Its ultra-fresh milky texture reinforces the signs of youthful skin day after day: smooths imperfections and roughness and improves skin quality with a healthy glow and tone. The skin reveals all the power of its youth. How to use: 1. Make downward circles on the neck with outstretched hands. 2. Stretch the skin from the facial oval to the cheekbones. 3. Slide ring rings from jaw to forehead.