Opalescence 35 Teeth Whitening System - Version 1.0 This program reviews Opalescence 35, the most powerful at-home teeth bleaching gel kit in the Opalescence whitening system. Opalescence is one of the most popular teeth whitening kits and is designed for maximum whitening with minimum tooth and gum sensitivity. - Learn about who Opalescence 35% is ideal for and what makes the system so popular and effective.- Find out what you need for an Opalescence treatment.- Learn why you should not get Opalescence directly from your dentist.- And find detailed Opalescence instructions and tips.