Crest Pro-Health Enamel Shield, like all Crest Pro-Health toothpaste: Protects against enamel loss, Binds to and strengthens enamel, Forms a micro-thin layer to shield against acid attack. Crest Pro-Health Enamel Shield is specially designed with a smoother, gently cleaning formula.; Fresh Mint; Helps stop irreversible enamel loss before it happens.; Protects against enamel loss; Binds to and strengthens enamel; Forms a micro-thin layer to shield against acid attack.