The Beconfident® Pro Kit refill is our most effective teeth whitening refill for maximum results. The teeth whitening gel contains four active ingredients, PAP (?-phthalimido peroxy hexanoic acid) + sodium bicarbonate + coco sulfate that work together to give the best possible whitening results without hydrogen peroxide. The fourth ingredient, ferrous gluconate, can be activated with Beconfident® LED Booster Light to enhance the tooth whitening effect with another shade. Pro Kit Refill includes a Protect and Repair finish, a restorative gel that reduces tooth sensitivity after each treatment and helps to repair small damage to the enamel and to strengthen and protect the enamel in the long term. The pack contains Pro Kit teeth whitening gel (10ml), Protect & Repair finishing gel (10ml), shade guide and instructions for use.