Keeko's revolutionary dentist formulated & clinically tested peroxide-free teeth whitening pen uses the power of bicarb soda & cranberry extract to safely whiten teeth 5+ shade in 7 days without damaging the enamel. Aloe Vera & Chamomile help soothe sensitive teeth while caring for your gums. Application takes 30 seconds and will visibly whiten the teeth within 30 minutes! A great product for people wanting to effectively whiten their teeth at home without the use of toxic ingredients. - Peroxide Free Delicious Mint Flavour Clinically Proven Safe for Sensitive Teeth Up to 25 Uses Per Pen Vegan & Cruelty-Free - Ingredients: Glycerin, Sodium Bicarbonate, Chondrus Crispus (Carrageenan) Powder, Xylitol, Sorbitol, Mentha Piperita (Peppermint) Oil, Vaccinium Macrocarpon (Cranberry) Seed Oil, Aloe Barbadensis (Aloe Vera) Gel, Anthemis Nobilis (Chamomile) Flower Extract, Cocamidopropyl Betaine, Natural Flavor (Peppermint Oil)