Illuminé is supplied at two concentrations of carbamide peroxide (a stable mixture of hydrogen peroxide and urea); 10% carbamide peroxide and 15% carbamide peroxide with fluoride. These two concentrations are roughly equivalent to 3.6% and 5.4% hydrogen peroxide, respectively. Contains 5 x Refill Boxes. Each refill box contains 2 x 3ml syringes, 2 applicator tips and DFU’s.