InstitutInstitut Esthederm City Protect InCellium Spray 100ml is a spray that reinforces the skin natural defenses and helps to fight urban stress and environmental aging factors. Exclusive triple youth protection - Global cellular protection, patented intracellular protection technology (InCellium). Patented Cellular Water Technology: At the heart of allInstitut Esthederm formulas is Cellular water, inspired by the skin's water, which reproduces the physiological characteristics of water in the skin and optimizes the energy environment of the cells. It offsets dehydration and optimizes cell metabolism. For healthy glowing skin that sparkles with vitality and stays younger, for longer. Rapidly, the skin natural defenses against everyday environmental damage (outside exposure, pollution, urban stress) are strengthened. The skin is more resistant to the effects of passing time.