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 Simssays. 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 from100% natural herbs.Suitable for everyone, including children, young people, and the elderly.