Restore the comfort and radiance of your dehydrated skin with the gentle bioderma hydrabio mask this weekly mask contains biodermas patented aquagenium biological complex to stimulate in depth moisture and lock it on to the skins surface from the first use it provides deep down lasting moisture even during periods of extreme dehydration over time the hydrabio mask allows the skin to regain its softness suppleness and radiance the smooth wrapping texture of the cream provides a fee