Opalescence Boost 40% ‏

Opalescence Boost is chemically activated, so it requires no light for whitening. Syringe-to-syringe mixing activates the product just prior to application. The activated 40% hydrogen peroxide is conveniently delivered via syringe and applied to teeth for whitening. NO LIGHT NEEDED! Powerful 40% hydrogen peroxide gel PF formula strengthens enamel, decreases sensitivity prevents caries2,3,4,5,6 Fresh chemical for each application Precise delivery Easy to see for complete removal Two 20-minute applications