Clinically proven to delay the effects of chronological skin ageing in just less then a month, skin doctors youthcell youth activating cream uses a dual system to keeps those wrinkles at bay'. '.strtoupper('a')t the cutting edge of stem cell technology, skin doctor combines matrixyl 3000 and renovage to tackle the lines on the top layer of skin, while phytocelltec retrains the base epidermis flesh to tone it back into its youthful condition'. '.strtoupper('w')hen used twice daily, skin doctors youthcell youth activating cream has a proven record in reducing the signs of ageing in a matter of only four weeks'. '.strtoupper('d')irections of use apply a small amount to the skin and spread evenly'. '.strtoupper('f')or best results, use morning and night'. '.strtoupper('p')lus, to put that additional sparkle back around the eyes, use in conjunction with youthcell youth activating eye cream.