So, while some outlets claim that there’s not enough research to support the safety of PAP whitening, we must also consider that there is enough research to refute the safety of peroxides such as hydrogen peroxide and carbamide peroxide. So, is hydrogen peroxide safe to use on teeth? Should you try to whiten your teeth with products that contain hydrogen peroxide? Crest 3DWhitestrips Supreme with LED Light Crest 3D Whitestrips Supreme Professional Exclusive Kit. Includes 1 light and 42 strips 21 treatments (each with 1 upper/1 lower). 11% hydrogen peroxide VISIBLE RESULTS IN JUST ONE HOUR.Need whiter teeth, fast? With the... The main characteristics of hydrogen peroxideHydrogen peroxide is a colourless chemical solution that is naturally secreted by the human body. It has three main properties antiseptic, disinfectant and bleaching. It is antiseptic because it helps to treat inflamed gums. It is disinfectant because it cleans all superficial wounds inside the oral cavity. In addition, it is also whitening as it removes whitish and yellowish stains from the teeth and prevents bacteria from forming on the gums and teeth. However, it is important to use a low concentration, i.e. ideally 2 or 3%. Above this concentration, it can become harmful and irritate the skin and eyes.