Swish hat around for a minute in the water.

Sweat stains out of hats. Washing a golf hat with the dishwasher is another popular way to remove sweat stains from golf hats and caps. Grab a clean toothbrush and dip it into the mixture and scrub off the remaining sweat stains. Then dip the hat in the soapy solution and allow it to soak for.

Wait at least an hour to let the powder soak up the sweat stain. Get a dish tub or a wash bucket. Fill a sink with hot water, then add the borax, laundry detergent and washing soda (basically, we’re applying laundry stripping to your hats).

Every hour or so, stir the water to break up the stains and remove them. Also, concentrate on areas that soak up a lot of sweat. Finally, rinse off your hat with cool water.

Fill a sink or bucket with cool or warm water. White vinegar is also great for spot treatment. After brushing the hat with a brush, apply some powdered or liquid dishwashing soap.

When there are no more visible. Put a few drops of dish soap in. How to get sweat stains out of black hats?

Fill a sink or bucket with cool or warm water. 1.1) to remove sweat stains from hats, one option is to use baking soda. Not only against sweat stains to keep your hat clean and have a long life but also can adjust your hat size.