Dazzling White Teeth Whitening Pen uses a gel containing active oxygen bubbles which safely and instantly remove stains according to the description, also it could whiten teeth 4 shades whiter in 1 week with continuous usage. I put it to the test for 7 days, watch the video below and see if it will whiten my teeth 4 shades whiter in 1 week.

Also included in this review is the Nosk 3-layered Nasal Filters and Skin Protec Hand Sanitizing Foam: