Advantage Hemaseal & Cide Desensitizer is the only desensitizer with 4% chlorhexidine that is approved by the FDA as a cidal agent and approved for placement in the dentin bond zone. Just apply this hemaseal and cide desensitizer in order to quickly, easily, safely and effectively seal the cavity or tooth, virtually eliminating sensitivity and micro-leakage and to disinfect the canal while enhancing the bonding integrity when used with composite-type products.