Our portable precision stain remover contains glycerin and sodium glycinate. It can penetrate deeply into the fiber, quickly decompose clothing stains, no need to wash, easy to clean clothes. The way to use it is very simple: first wipe off the excess stain with a paper towel, place a paper towel on the stained area, press the tip of the pen to release the right amount of solution. Portable stain, gently and repeatedly apply the nib to the stain, wipe it off with a damp cloth or paper towel. After use, local stain removal, odor elimination, bacteria removal, no need to clean the whole piece, saving time and effort.