Our PAP Instant white formula maximises the benefits of PAP (phthalimidoperoxycaproic acid) as the active whitening ingredient. Unlike peroxide, PAP reacts with tooth stains without enamel damage or gum irritation. We've also added several other supporting ingredients to PAP+ that remineralise teeth and combat the effects of pre-existing sensitivity.

Both PAP whitening and peroxide-based teeth whitening treatments use oxidising action to break down stains and lighten tooth appearance.

As part of this process, peroxide releases something known as free radicals. Free radicals readily attack organic molecules to reduce discolouration, but are also likely to cause unwanted side effects such as sensitivity, gum irritation, and demineralisation.

PAP similarly reacts with tooth stains, only without the release of free radicals. This means that the molecules responsible for discolouration are broken down safely, without any risk of sensitivity, pain, or damage.