This cutting-edge formula harnesses the power of millions of active oxygen bubbles that work harmoniously to lift the stains on your teeth - working not only on the surface stains but also on the intrinsic stains. Feel the invigorating warmth during brushing, accompanied by a rich, fine foam that signifies its efficacy. Your teeth whiten by 1 shade in 3 days and an impressive 3 shades in 28 days. This pioneering formula precisely targets and decolorises even the deepest stains, leaving you with a radiant smile.