Smile Science Professional Teeth Whitening StripsThese whitening strips are the latest and most innovative way to safely and conveniently whiten your teeth in the comfort of your own home. They are designed to be softer and more comfortable to wear than other brands of strips and also boasts improved cohesion to the teeth. These new whitening strips have been developed with a unique elastic gel formulation, which greatly improves resistance to saliva which ordinarily diminishes the whitening