The Express Whitening Gel Pen - Single.

Replace and refill your Express Whitening Kit with another Whitening Gel Pen instead of buying a new kit!

Combines our safe 6% peroxide formula in a convenient twisting Gel Pen. With a couple of simple twists, the perfect amount will be pushed onto the bristles, ready to apply to your teeth.  

Whitening Gel Pen Refill - Single