This Nano Teeth Whitening Kit is infused with the latest nanotechnology to clean teeth and provide reliable whitening. It is the most effective, peroxide-free, chemical-free teeth whitening kit for you. Nanotubes are one-thousandth smaller than the hair of a brush and can very effectively penetrate dirt, tartar and stains on your teeth. It is especially beneficial for people who regularly drink coffee or smoke. Properties: OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.