Full ingredient list
PVP, Hydrogen Peroxide, Hydroxyapatite, Aqua, Pectin, Glycerin, Pentasodium Triphosphate, Sodium Hexametaphosphate, Peppermint flavoring (Aroma), Polysorbate 80, Sucralose, Polycarbophil, Limonene, Linalool.
The strip itself is a food-grade, water-soluble starch film. Limonene and linalool come from the peppermint flavoring and are listed as potential allergens.
*Compared with the leading whitening strip in an independent 10-day in-vitro study.
**8% of POOOF! users vs. 28% of leading-strip users after 7 to 10 days, consumer study of about 50 people per arm.