Check the care label before cleaning
Brush off loose dirt and dust
Mix cool water with a small amount of mild detergent
Test the solution on a hidden area first
Dab sweat stains gently with a clean cloth or soft brush
Let the solution sit for a few minutes
Rinse the area with a damp cloth
Repeat if needed until the stain lifts
For stubborn stains, use a paste of baking soda and water
Apply the paste to the stain and let it sit briefly
Gently scrub with a soft toothbrush
Rinse thoroughly with cool water
Air-dry the hat away from direct heat or sunlight
Reshape the hat while drying
For white hats, use diluted white vinegar on stains if needed
Avoid bleach unless the care label says it is safe
Avoid machine washing unless the hat is labeled machine washable
Clean sweat stains regularly to prevent buildup