6yo DS has been back at school less than 2 weeks and already wrecked 3 new school polo shirts with enthusiastic use of the non-washable (FFS!) writing pens they have at school.
I have soaked in Vanish and washed with Vanish but the stains haven't budged even a little bit. Any tips? Other than waiting until the weather turns cold and he starts wearing jumpers so we can hide the stains...