Rinse the stain with cold water as soon as possible
Apply liquid laundry detergent directly to the stain
Gently rub the fabric against itself or with a soft brush
Let it sit for 10 to 15 minutes
Rinse with cold water
If the stain remains, apply a mixture of white vinegar and water
Let it sit for 5 to 10 minutes
Rinse again with cold water
Wash the item in the warmest water safe for the fabric
Check the stain before drying
Repeat the process if needed
Avoid using heat until the stain is fully removed