I have lots of DC's school polo shirts that are now a very faded navy but have an embroidered logo on so I can't just chuck them in navy dye.
In some cases the fading is rather uneven.
Does anyone have any tips for rescuing these? They all still fit fine and at about £10 a go new I'd really like not to have to replace them.
I have now learnt that any new ones will be washed inside out! Too late for these though 
Any tips gratefully received 