Need to remove an ink stain from your carpet, clothing, wooden furniture, or new pair of jeans? Thankfully, as with most DIY stain removal techniques, you can probably concoct your own stain-removing solution from common household items in your bathroom or kitchen. Some examples include white vinegar, corn starch, toothpaste, WD-40 spray, dishwashing soap, hair spray, and even milk. Yes, milk.