Rescue your skin with Normaderm S.O.S Acne Rescue Spot Corrector, Vichy's first targeted acne spot treatment. Formulated with Maximum Strength 10% Sulfur, Glycolic Acid, and Niacinamide, this sulfur acne treatment dries up current acne blemishes, reducing their size and severity, and helps prevent new ones from forming. Brand Story: Founded in France in 1931, Vichy is a dermatologically-proven brand driven by potent natural and safe ingredients, including the Vichy Mineralizing Thermal Water.