Product Information Curaprox Black is White Toothpaste Brand claims Refreshingly lemony! “Black Is White” whitening toothpaste removes discolouration using activated carbon without abrading or bleaching. The gentle way to whiten your teeth: no bleaching agents, no abrasives. Black Is White toothpaste even boosts your oral health. Contains fluoride. No SLS or triclosan. Activated carbon makes the toothpaste pitch black, but …