Product Information. Gluma Desensitizer - Heraeus Kulzer is a simple, one-step chairside procedure for treating and preventing dentin hypersensitivity. Gluma is the most well-known and trusted desensitizer in the dental industry world wide. Used in over 50 million restorations, Gluma® Desensitizer is preferred over all others for preventing and eliminating hypersensitivity. Just one drop of Gluma is all you need and the results are fast and effective.