Vichy??s Mineralizing Thermal Water is born in the French volcanoes and travels to depths of up to 4000 meters before it is heated to 140C and thrust up to the surface. Over the course of its thousand-year journey, it absorbs 15 minerals which give the water its power.With 11 tests and 5 clinical studies, Vichy??s Mineralizing Thermal Water mist has been clinically proven to strengthen the skin??s barrier function and help accelerate surface skin cell renewal. It helps soothe the feel of skin exposed to external aggressors and leaves it looking healthy and glowing. A 100% pure, natural active ingredient, hypoallergenic, fragrance-free, no preservatives.