Dip your hat into the soapy water, and let it sit for three to five hours.

How to get sweat stains out of hat. Fill a bowl with the warm water and the vinegar. 1.1) to remove sweat stains from hats, one option is to use baking soda. Try not to use a detergent with bleach or a bleach.

Give the hat time to soak, as many as 4 hours may be needed. Fill a sink with hot water, then add the borax, laundry detergent and washing soda (basically, we’re applying laundry stripping to your hats). Stir the water occasionally to help rid the fabric of stains.

Spray a stain treatment product like shampoo to loosen sweat and grime. Try not to use a detergent with bleach or a bleach. Whether your hat has sweat stains from working in it outside or simply become prey to brow perspiration on a warm summer day, sweat stains can be unattractive and ruin the look of your.

Wait at least an hour to let the powder soak up the sweat stain. Use a combination of hydrogen peroxide and water. Finally, rinse off your hat with cool water.

Stir to mix in the detergent. Wipe away sweat stains with a cloth like a microfiber cloth, damped with water and a little dish soap. Be sure to clean up all the baking soda.

Leave it to soak for at least 20 minutes. After brushing the hat with a brush, apply some powdered or liquid dishwashing soap. Then dip the hat in the soapy solution and allow it to soak for.