Lay your garment on a table or on top of your washing machine and place a clean piece of cloth under the stain to catch any leaks.
Spray the ink stain with a small amount of hairspray and let sit for a few minutes.
Mix together a small amount of liquid laundry detergent and a small amount of water in a bowl. Apply a small amount to the stain and rub the fabric.
Toss the fabric into the washing machine and run a cold water cycle, using a gentle laundry detergent. If the stain isn't gone after the cycle has finished, reapply treatment and run a second cycle. Do not put it in the dryer, until the stain has been removed completely.