Contains 5% sodium fluoride varnish with a smooth, nongritty texture. Apply to enamel or dentin to treat dental hypersensitivity; also can be used as a cavity liner. Glides on thin and smooth, and dries clear on wet or dry tooth surfaces. Thin and consistent formula eliminates clumping and stringing, which makes application easy with the ready-to-use, hygienic, single-dose package. No mixing required. Eliminates allergens associated with tree nuts and is gluten-free. Sweetened with xylitol.