Ink
A dry ink stain is not going to come off even in a washing machine, and that’s a fact. However, we have some tips on how to ease the destaining process:
Soak a cotton ball in spirit, and tap the stain lightly. You can also use a blend of aqueous ammonia and wine spirit (1:1 ratio). You’ll have to do your best in order to get rid of the stain without washing it off, though.