Stock up on Extra Brush Heads for your Blue Light Whitening Toothbrush. These unique replacement brush heads are designed to maximize the cleaning and whitening functions of the Blue Light Whitening Toothbrush. The added thickness of the brush head allows for greater light distribution through the mouth, for optimal results. The brush head has two kinds of soft bristles, combined with rubber gum massagers on a base that is broader than standard toothbrush heads, to cover more surface area and deliver a more thorough cleaning. When the blue bristles fade to white, it's time to replace the brush head, about every 3 months. Includes 4 brush heads (1-year's supply) with covers.

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