Blot the stain with a clean cloth or paper towel
Rinse the stained area with cold water from the back of the fabric
Apply liquid laundry detergent directly to the stain
Gently rub the fabric together or use a soft brush
Let the detergent sit for 5 to 10 minutes
Rinse again with cold water
For tough stains, soak the shirt in oxygen bleach and water
Wash the shirt in the hottest water safe for the fabric
Check the stain before drying
Repeat the treatment if the stain remains
Avoid using the dryer until the stain is completely gone
Use chlorine bleach only if the care label allows it
Treat grease stains with dish soap before washing
Treat sweat stains with baking soda or white vinegar before washing
Treat blood stains with cold water only
Treat ink stains with rubbing alcohol on a clean cloth
Treat wine stains with salt or club soda before washing