Description
How to remove stains made by highlighter pens:
If an highlighter ink stain has already completely dried, it will be difficult to do anything more than only to reduce the intensity of the stain. The key to successful stain removal is to act fast: even waiting just a few minutes after the ink stain has been made can reduce the chances of completely removing the stain. The type of fibres and their pre-treatment will also have a major influence. After all, the colourants in the highlighter inks are textile dyes that were developed for good fibre adsorption. The ink is an emulsion ink (similar to wall paint) which, once dried, is no longer water-soluble because the plastic emulsion then cross-links.
With a fresh highlighter ink stain, it is important to remove the excess ink which has not yet been absorbed into the fibres while it is still moist. This is done by putting a piece of dry, absorbent fleece on the stain and using a damp piece of fleece applied to the rear side of the material to press the ink out of it and into the dry fleece. The dry fleece immediately absorbs and wicks away the excess ink, which prevents the stain from spreading further. When no more ink can be pressed into the dry fleece using this method, only the ink which has already soaked into the fibres will be left. It is important that the material is then washed immediately. Some customers report treating the material with ox-gall soap before washing it, with significantly improved results.
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