Mr blanc whitening strips 2 week supply mrblanc teeth whitening strips are flexible strips which are designed to follow the contour of your teeth and are an easy and comfortable way to whiten your smile without causing any pain or sensitivity the strips are layered with a tooth whitening gel which removes deeply embedded stains beneath the surface of the enamel in a safe and effective way visibly whitening teeth in up to 14 days mrblanc teeth whitening strips prevents the generation of futu