Yes, smile whitening, or teeth whitening, is effective. You can noticeably lighten your teeth a few shades with regular use of at-home tooth whitening products.
According to recent findings:
- At-home whitening products can be effective: Regular use can lighten teeth noticeably.
- Gel-filled trays are fast-acting: Results can sometimes be seen in a few days. (15-Jul-2024)
Therefore, if you're looking to brighten your smile, teeth whitening products can be a viable option.
