Dial A Smile Professional Teeth Whitening Kit by Whitening Lightning Experience a revolution in teeth whitening with the Dial A Smile Professional Teeth Whitening Kit. Setting a new standard for convenience and comfort, our kit features a powerful, sensitivity-free formula without the mess and hassle of traditional trays. Eliminating the common issue of sensitivity and the inconvenience of trays, Dial A Smile offers a seamless, effective solution to achieve a dazzling smile I just 20 minutes. Boasting the strongest whitening agent on the market, this kit is designed for those who demand professional results without the expense and discomfort of dentist visits.