Made with xylitol, Zooby 5% Sodium Fluoride Varnish is designed to give kids the protection they need and treat hypersensitive dentin. Zooby varnish is white and dries clear and smooth with a saliva-tolerant formulation for easy application and adherence to moist teeth. Offered in 50-count boxes, Zooby varnish is gluten-free and comes in kid-friendly flavors that match our Zooby paste.