Let's talk about the On The Go Sonic Blue Brush Heads - 4ct by Go Smile. Michele, in her video review, mentions that these replacement heads are designed for the Smart Brush, which she previously reviewed. She bought them because she uses the Smart Brush daily for teeth whitening. Michele appreciates the convenience of incorporating teeth whitening into her routine without having to spend extra time during the day. She mentions that the whitening effect is gradual but is happy with the results so far. Michele recommends replacing the brush heads every three months. She demonstrates how easy it is to replace the heads and mentions that the pack of four will last for a whole year. Overall, Michele is satisfied with the On The Go Sonic Blue Brush Heads as they provide a convenient and effective way to whiten teeth.
