Bioderma hydrabio serum moisturising concentrate instantly soothe and refresh your skin with the bioderma hydrabio serum everyday moisturising care for very dehydrated skin the formula offers intensive care with a 8216flash8217 hydration effect harnessing the innovative aquagenium174 patent which restimulates the skin8217s ability to moisturise itself effectively the skin appears brighter and is comforted the non comedogenic and hypoallgernic formula is further enriched w