Pen revolutionary teeth whitening Crystal Smile. Authorized by the EU and the UK. Gel pen without high-quality professional peroxide without risk - To whiten teeth and strengthen oral health. PEROXIDE FREE (Health and Beauty)
I bought this pen since there were many positive return. Delivery was super fast, especially with the premium account haha. In the package, there is only the pen and a mini record but not the box as pictured. I tried the pen for 3 days (4th use today