Inspried by whitening methods used in dental practice, Gleaming White 5-minute Tooth Whitening System is an effective procedure that whitens your teeth, helping you acquire a whiter, brighter, younger-looking smile entirely without peroxide.Includes Accelerator (6 ml), Whitening Gel (13 ml), and Duplex Mouth Tray.Fast results.Proven to whiten teeth.Easy to use. Inspried by whitening methods used in dental practice, Gleaming White 5-minute Tooth Whitening System is an effective procedure that whitens your teeth, helping you acquire a whiter, brighter, younger-looking smile entirely without peroxide. Made in the USA. Ingredients:Accelerator: Aqua, Sodium Chlorite.Whitening Gel: Aqua, Glycerin, Carbomer, PVP, Polysorbate-20, Sodium Hydroxide, Pentasodium Triphosphate, Aroma, Citric Acid, Methylparaben, Limonene.Directions:Clean your teeth carefully, then squeeze a small quantity of Gleaming White Whitening Gel into the Duplex Mouth Tray.Step 1: Check that the head of the accelerator is moist by pressing it against a clean surface. Apply the accelerator by pressing and rubbing the pen onto the surface of all teeth to be whitened.Important: Do not close mouth.Step 2: Place the pre-prepared dental tray into your mouth immediately, and bite down. Leave the tray in your mouth for at least 5 minutes. Safety Information:NOTE: FOR ADULT USE ONLY. CAUTIONARY STATEMENT: The use of Gleaming White 5-Minute Whitening Tooth System is not recommended in cases of gum disease, gum inflammation, bleeding gums, severe gum loss or sensitive teeth, or if you are pregnant or breastfeeding. As with other products, we recommend you check the list of ingredients to avoid allergic reactions. This product works on natural human teeth only. It will not harm fillings, crowns, bridges and veneers. Do not use the product while wearing a dental brace. Do not wear the custom-fit dental trays for longer than recommended. If irritation occurs, discontinue use immediately. Use Gleaming White for a maximum of six times a year, with breaks of at least four weeks in between. FOR EXTERNAL USE ONLY. Do not swallow. Avoid contact with lips and gums.