Activation Enhancer for Chairside Whitening (3) Lumibrite Desensitizing Gel syringes @ 1 ml each Lumibrite Professional Chairside Whitening is designed to comfortably and quickly whiten patients’ teeth. The combination of Lumibrite Activation Enhancer and Lumibrite Whitening Gel reduces the chairtime required for effective whitening compared to traditional chairside bleaching treatments.