HurriSeal Dentin Desensitizer is formulated with HEMA, sodium fluoride and benzalkonium chloride. HurriSeal is a patented, one step, soft tissue friendly (no glutaraldehyde) chairside solution to sensitivity. HurriSeal Dentin Desensitizer is quick and easy to use. No light curing required. No messy tints, or extrinsic staining. Just a simple chairside application, with instant results lasting 6 - 9 months for cervical sensitivity.