User Manual Q&AAnswer Question
How long should I continue using the Smile Direct "Bright On" Whitening Stick?
I have been using the whitening stick for a week now, and I'm wondering how long I should continue the process. Should I use it for a month or longer?
I have been using the whitening stick for a week now, and I'm wondering how long I should continue the process. Should I use it for a month or longer?
