Just apply a tiny bit of toothpaste on the screen, along with water, and begin to spread and wipe with a microfiber cloth.
If you want to close an envelop and don’t want to taste the unpleasant glue, you can always use toothpaste!
Apply a small amount of toothpaste along the fold of the envelope. Upon folding it over, it will be sealed shut. So convenient and easy!
For all you gourmet chefs, cutting onions can backfire when that smells sticks to your fingers long after the act of slicing.