PRG Barrier Coat effectively treats dental hypersensitivity by providing immediate and long lasting relief. A light-cured varnish with extended protection time of up to 6 months, PRG Barrier Coat incorporates Shofu’s proprietary GIOMER technology, “Surface Pre-Reacted Glass”, for high fluoride release and recharge, acid neutralization and anti-plaque benefits. Designed with excellent self-adhesive abilities. Simply light cure a thin coating to block dentinal tubules from external irritants. Ideal for a variety of applications.