- ProOptions Pure White Pro In-Office Whitening Kit. - 36% Hydrogen Peroxide. - Whitens in one 45-minute treatment. - Chemically activated so no light required. Kit includes: -1 syringe activator. -1 syringe whitening gel. -1 - 1.2 ml syringe desensitizing gel. -1 - 1.2 ml syringe gingival barrier resin and 8 tips. **For further product information, please contact Chat Support**