Spot-N-Boost is the best ink, filtration line and general spot remover on the planet. Its highly sophisticated formula removes black filtration lines from carpet edges, under doors, along stairs, around heating/air conditioning vents, etc. This water based formula makes child's play out of removing ink and is even a great, non-acidic rust remover.
It is also no less than fantastic for removing toner, grease, tar, lipstick, mascara, magic marker, and much, much more! NO STICKY RESIDUE!!!