Pen ink has to be the bane of every parent's life. No matter what you do, it always seems to stay there, even if only faintly - and you know it'll be replaced with another similar stain by the end of the week anyway.
So when Lynsey Crombie, the self-styled Queen of Clean, appeared on ITV's This Morning promising a top tip on how to remove ink stains, parents across the country rejoiced in their living rooms.
The trick is remarkably simple - and surprising. The secret is milk. As Crombie later said on Instagram: "Who would have thought that milk could remain stains, but trust me, it works.
