Sport a healthy-looking, bright, white smile with the use of the Sensodyne Pronamel Toothpaste. Daily use of this product helps protect enamel against the effects of acid erosion. The Sensodyne Enamel Strength toothpaste has a unique formula with fluoride that delivers minerals deep into the enamel surface. It actively strengthens and hardens weakened enamel, protects against cavities and removes stains for a whiter smile. It is phthalate, paraben and aluminum free.