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 ingredientthe unique formula is enriched for the 1st time with 10 rhamnose and both hyaluronic acid and fragmented hyaluronic acid the ultraconcentrated formula delivers up to 2 times more rhamnose in the epidermis and helps accelerate surface skin cell renewalafter just 10 minutes there is a 10