tpsk1979
꾸준히 하면 미백에 좋겠어요
Perio White Now Whitening Patch
Proper usage: Apply once a day for 1 hour per session for 1 week.
If you wipe off any saliva thoroughly before applying it, it will stick well, and since you can even swallow your saliva, you can just leave it on and get to work.
It is a bit cumbersome and annoying because it requires an hour of investment, but
Still, I can feel my teeth getting a little brighter after using it. I think I'll see results if I use it consistently for 7 days.