@wendywoogallo: SMILE WITH CONFIDENCE! Yes! Yes they work. If your teeth as you age are getting dull, yellowing or graying this is an easy quick fix. The whitening and brightening lasts for about 2 to 3 days. I do it twice a week but they are so gentle you can do them every day if you want to! ##teethwhitening ##yellowteethsolution##whitenteeth##smileconfidently##tiktokshopfind@@Hismile US