you could TRY using like a makeup removing wipe or just a washcloth, but if it has already dried on your skin, you should use like some kind of Stridex wipe or other skin-cleaning wipe. lotion might work too.
ok, you take makeup remover, you take a q-tip and squirt or dunk or whatever your makeup remover is like and then wherever the eyeliner (makeup) is you wipe off and it'll come off (:
Eyeliner is a combination stain. Start by scraping off as much eyeliner as you can, and then pretreat it with the strongest pretreatment you have. Then rub the stain with liquid detergent and wash it.
Stain-removal procedure:. Treat the stain (see bulleted list below for product options), let product soak in for at least 5-10 minutes, but an hour or two is better for tough stains then scratch...
The best way to do this is taking a Q-tip dipped in eye makeup remover. Gently move it back and fourth over the eyeliner. This isn't scary as it sounds, LOL. try not to apply long-lasting eyeliner on...