La Roche-Posay is a dermatology laboratory founded in the city of La Roche-Posay in France, originating from thermal water. Since 1975, that La Roche-Posay's Thermal Water has been used as a key ingredient in its formulas, with high standards of effectiveness and safety to meet a wide range of skin needs, from acne to aging, including eczema and skin prone to allergies.