The brainchild of apprentice winner Tom Pellerau, Stylsmile was designed to combine professional, whitening with home dental care. The Pack Of 4 Firm Replacement Heads help to maintain healthy teeth and gums, offering a thorough clean and providing the perfect accompaniment to your electric toothbrush. The brush heads feature to holes between the bristles to allow blue light to shine through, in turn activating the whitening agents in the brand’s toothpaste formula. Whiten every time you brush with the Stylsmile system.