These are replacement brush heads with a patented bristle design that puts three spiraling contact points on every bristle, aimed at stain removal and plaque control. Green indicator bristles near the top fade as the head wears, signaling when to swap it, and the maker recommends changing every three months. They are a fit-and-forget consumable for anyone already using a compatible electric brush handle, and the whitening focus sets them apart from plain cleaning heads in the same lineup.
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Owners rate these heads highly and describe clean-feeling results and easy swapping onto their handles. The fading reminder bristles come up as a practical touch, while a few find the whitening bristles stiffer than expected.
These are replacement toothbrush heads for whitening, sold as a pack of 2. The Extended Reach design is intended to clean teeth and help fight stains and plaque.
Each bristle has a patented design with 3 spiraling edge points of contact. The material states this gives enhanced stain-fighting and plaque cleansing, and that it is twice as effective as a manual toothbrush.
The green bristles near the top of the head fade to show when it is time to replace the brush head. Replace it every 3 months or sooner.