Get transformative antiageing care every day with the vichy liftactiv derm source serum 10, a luxurious formulation made up of a 10 ultimate concentration of rhamnose, a naturally derived antiageing ingredient.the unique formula is enriched for the 1st time with 10 rhamnose and both hyaluronic acid and fragmented hyaluronic acid'. '.strtoupper('t')he ultraconcentrated formula delivers up to 2 times more rhamnose in the epidermis and helps accelerate surface skin cell renewal.after just 10 minutes, there is a 10 decrease in wrinkle depth and visibility , while the skin appears velvety smooth and firmed'. '.strtoupper('s')oft, light and quickly absorbed, the soothing serum leaves the skin looking vital both immediately and over the long term.apply morning andor evening before your moisturiser'. '.strtoupper('f')or our most powerful antiwrinkle and firming routine follow the serum in the morning with daily care liftactiv supreme and liftactiv advanced filler in the evening.