Opalescence™ WHITENING GEL Two/Four Syringes 16%

Opalescence Whitening Gel 16% comes as a set of two/four convenient syringes, each designed to be used with custom or prefabricated whitening trays. The formula may feature carbamide peroxide as its active brightening agent, and also typically includes PF (potassium nitrate and fluoride) for user comfort.