Prevention of caries. Adults and children from the first appearance of permanent teeth. Fluoride Olafluor amines, active ingredient in the composition toothpaste elmex CARIES PROTECTION, attaches to the tooth enamel in seconds to harden it and make it more resistant to acid attack. With its surface-active properties, fluoride Olafluor amines form a homogeneous and highly adhesive film that protects all tooth surfaces. Thus, toothpaste elmex CARIES PROTECTION provides optimum protection and ensures long-term remineralization of carious lesions. Its protective properties have been scientifically proven in over 400 university.