Remove ink stains

Detergent solution, rust remover (oxalic acid or clover salt - both toxic!), Acetic acid (concentration of oxalic and acetic acid, each 5-10%).

Treat first with the mild detergent solution, then with a mixture of mild detergent solution and rust remover (oxalic acid), and third with a mixture of mild detergent solution and acetic acid.

Possibly. also cut a lemon, lightly squeeze the juice on the spot and absorb the ink. Then dab with water (use pulp).

But there are also special cleaning products to buy in the drugstore.

How to Remove Ink Stains From Fabric | March 2024