Blot the stain immediately with a clean paper towel or cloth
Place a paper towel under the stained area
Dab the ink with rubbing alcohol using a cotton ball or cloth
Keep blotting with a clean section of the cloth as the ink lifts
Rinse the area with cold water
Apply liquid laundry detergent directly to the stain
Gently rub the detergent into the fabric
Let it sit for 10 to 15 minutes
Wash the jeans in cold water
Check the stain before drying
Repeat the process if needed
Avoid using heat until the ink is completely gone