The secret ingredient is naturally found Vichy volcanic mineralizing water, rich in 15 minerals including calcium, potassium and magnesium. The main active ingredient found in Vichy skincare products. From the preserved region of Auvergne Volcanoes in France, Vichy volcanic mineralizing water is preserved 4,000m deep where it is enriched with 15 minerals and mineral nutrients essential to skin health. This is where products continue to be developed today. Sourced in a protected area that’s been preserved from pollution since 1874, the thermal water naturally reinforces the skin’s barrier. Rigorous control testing to ensure natural fortifying properties remain intact and traced.