It was very effective for me. Every of my friends notices the differences. However, my teeth became sensitive. So I stopped. BTW, my teeth changed back to the original color after 6 months.
It's very true. The teeth became sensitive after use it, and only good for couple of month. If you got 四环素 teeth, no matter how hard you are going to try, it won't work for sure.
最初由 芳草如茵 发布 It was very effective for me. Every of my friends notices the differences. However, my teeth became sensitive. So I stopped. BTW, my teeth changed back to the original color after 6 months.
最初由 芳草如茵 发布 It was very effective for me. Every of my friends notices the differences. However, my teeth became sensitive. So I stopped. BTW, my teeth changed back to the original color after 6 months.