1. Use something similar to Huanziling, that is, 84 disinfectant, which is much less useful. Dip it with a toothpick and press the strokes on the word to erase it.
2. To use household chemicals, first apply nail polish remover to the ink, and then use paper towels or cotton swabs to dry the ink.
3. Use hydrogen peroxide or isopropanol. These drugs are usually used for cleaning wounds and disinfection, and are also effective in removing ink stains. You only need to dip it a little when you use it, or you will get the paper wet.
4. Use a laser eraser. This technology can eliminate ink marks without destroying paper fibers, so that paper can be reused. Scientists say that this technology can reduce carbon emissions and reduce costs through reuse.
The above methods can effectively remove the ink on red paper, and you can choose the method that suits you according to the situation.