u/Funny_Olive_4955

There is a loss of paint along the edge, small areas right along the edge of the door where it has been opened against walls etc. There is a small amount of rust on the bare metal, but its not flaking or bubbling yet. Hoping to catch it and stop it before it spreads.

Would it be best to use a touch up pen or brush? primer? rust remover? Which brands (I'm based in UK)

Thanks