PAP (Phthalimidoperoxycaproic acid): Active bleaching agent that whitens the discoloured molecules inside your tooth.
Menthol: Derived from mint, its essential oils are most effective in keeping your breath fresh, but also killing what are called anaerobic bacteria, which tend to live in low-oxygen environment.
Sodium Hydroxide: Second whitening ingredients that is also highly effective at eliminating deposits._
Propylene Glycol, Glycerol, Water, PAP, Carboxymethyl, Polyvinylpyrrolidone, Menthol, Sodium Hydroxide