Teeth Whitening Showdown: 16-Day vs. Non-Slip Tech for Brighter Smiles We put our money where our mouth is when it comes to smile transformations. The GuruNanda Teeth Whitening Strips offer a 16-day treatment plan, promising gradual yet noticeable results without the harshness of bleaching gels. But what truly sets them apart is the non-slip, dry strip technology-think of it as the unsung hero of the experience. These strips stay firmly in place, even during our most vigorous brushing sessions, eliminating the frustration of them slipping or leaving residue. While some products focus solely on speed, GuruNanda balances both precision and convenience, ensuring our teeth feel cared for throughout the process. The blend of long-term efficacy and user-friendly design makes it a standout choice for those seeking a brighter smile without compromising on comfort. We've found it's not just about the whitening power, but the seamless way it integrates into our daily routine.