Water can take the form of a liquid, solid or gas.
But there is a fourth state that it can take - known as “interstitial” - which is the water contained in our bodies - physiological water. Related to cell metabolism, it is the vital element that ensures the function, health and beauty of our skin. Inspired by this water that is naturally present in the skin, Institut Esthederm has developed Cellular Water, which consists of ingredients similar to the components of interstitial water, which is vital for life. 
Blending perfectly with the skin, it optimises its metabolism and helps protect its youthfulness.

Water is the leading ingredient in cosmetics by volume.

Around 70% of creams and more for lotions. Distilled water, traditionally used by the majority of skincare brands, acts as a neutral excipient only.