This is not an ordinary mouth spray. Resmile Pure Herbal Mouth Spray features Polyclean technology that could help remove teeth stains caused by multiple causes (coffee, wine, smoking, stubborn stains that have developed over the years) and repair tooth damage. Meanwhile, it can ensures the growth of healthful bacterial colonies. It can thoroughly clean and whiten your teeth by bringing active restorative ingredients into the grooves and crevices of the teeth instead of just giving them white in outer appearance. So you can have 360°perfect big smile. Dr. Debra Sims says. Resmile Pure Herbal Mouth Spray is the latest product certified by the American Dental Association and recommended by dentists. It can perfectly solve all oral problems, including dental calculus, bad breath, oral ulcers, dental caries, bleeding gums, tooth sensitivity, gingivitis, loose teeth, periodontitis, swollen gums, tooth damage, tooth loss, etc. No side effects. Made from 100% natural herbs. Suitable for everyone, including children, young people, and the elderly. 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.