Blot the stain with a paper towel to remove excess oil
Sprinkle baking soda, cornstarch, or talcum powder on the stain
Let it sit for 15 to 30 minutes
Brush off the powder
Apply a small amount of dish soap directly to the stain
Gently rub the fabric together or use a soft brush
Let it sit for 5 to 10 minutes
Rinse with warm water
Wash the shirt in the hottest water safe for the fabric
Check the stain before drying
Repeat the process if the stain remains
Air dry until the stain is fully gone
Avoid putting the shirt in the dryer until the stain is removed