Crest Pro-Health Densify Toothpaste, 4.6 oz - Strengthen and protect your enamel with Crest Pro-Health Densify. This formula fights plaque and bacteria while helping maintain long-term tooth density. Fluoride toothpaste for anticavity and sensitive teeth. Gluten free. Actively reverses early decay to extend the use of teeth (by remineralizing enamel). Intensive clean. Pro - 3X Decay prevention system. Professionally designed by Crest's dental experts. What is decay? Decay starts when teeth lose too much density. Density loss destabilizes the tooth surface leading to cavities. How does it work? The 3x decay prevention system remineralizes weakened enamel, prevents demineralization, and neutralizes the effects of plaque (With twice daily brushing). Enamel surface. Grooves & crevices. Exposed root surfaces. It is stabilized with amino acid glycine to unleash the power of stannous fluoride. Made without SLS. Clinically proven products. Use together for better protection. Better together! Use with Oral-B io rechargeable brush + Use with Crest Pro-Health mouthwash + Use with Oral-B Glide floss.