Use alcohol or detergent, provided that it is written on a smooth surface. Gel pen oil is oily, so we should choose some oily lotions, such as alcohol and detergent, based on the principle of similar compatibility in chemistry.

correction tape or correction fluid can also be used, but it can only be covered up.

a signature pen refers to a pen specially used for signing or signing samples, including water-based signature pens and oily signature pens. Pen was used before, but now it is gradually replaced by gel pen. Therefore, all such pens are collectively called: signature pens.

Water-based pen is generally used on paper, and it is easy to be wiped off if it is used on a whiteboard or a sample. Oily pens are generally used for sample signing or other permanent marks. Oily pens are difficult to wipe, but they can be cleaned with alcohol.

Extended information:

Other methods for erasing the handwriting with a signature pen:

1. The handwriting of a signature pen can be removed with a Chinese character erasing spirit;

2. The handwriting of the signature pen can be removed with adhesive tape;

3, the eraser can also be dipped in water to wipe off the pen;

4. The handwriting of the pen can be scraped off with a knife.

5. correction tape or correction fluid, but it can only be covered up.