There's ink remover at Walmart! It's where the fabric softener sheets & other assorted laundry items! It's called Rit, it's with the fabric dyes! They have ink remover and other stain removers! It's about $5.00! You can order ink remover online also! That's the best thing to do! The Rit works, I use it a lot!
There are many easy ways to remove ink stains or ball pen stains. If the ink is still wet, then blot it with any paper towel and place the detergent on stain; leave for 30 minutes, later wash as usual. Ink stains will be disappeared by this method.