Whitening Strips, Rinse or Toothpaste on Shabbos

Shabbat
1

Which of these products ( that whiten ones teeth) can you use on shabbos

  1. Whitening Strips
  2. Whitening Rinse
  3. Whitening Toothpaste

Thanks

2
  1. No
  2. Yes if it also can be used as regular mouthwash (which they usually are.)
  3. Yes
3
  1. Whitening Strips. What is a problem in Shabbat?
4

צובע
Coloring