BlanX White Shock Instant White is the only toothpaste with double patented innovation, ActiluX, that whitens with light. Now with Blue Formula for an immediate whitening effect. ActiluX is deposited on teeth and remains active throughout the day. Gives a natural-looking, white smile thanks to the light action Antibacterial action effectively removes bacteria that cause plaque and cavities Visible effect from the very first use thanks to Blue Formula Peroxide free, non abrasive and enamel safe