Ink remover is generally used to remove indelible ink, old kraft paper engraving, rubber printing, wax printing and so on. It may also have a certain impact on some seals and signatures, but the specific situation should be considered according to factors such as the type of ink, the material of the seal and the density of the seal pattern. If it is a seal or signature printed on the invoice, you can try to use an ink remover, but you should pay attention to choose different types of ink remover for different inks and operate according to the specific situation to prevent the contents of the invoice from being damaged. It is recommended to consult relevant professionals before using any chemical agent to find out how to use it and whether it is suitable for your purpose.

In addition, when using the ink remover, pay attention to safety protection and avoid direct contact with skin and eyes to avoid injury.