I have cleaned many light colored hats this.
How to remove sweat stains from straw hat. Soak your hat in a cleaning solution of vinegar and water overnight. Grab a clean toothbrush and dip it into the mixture and scrub off the remaining sweat stains. 1.1) to remove sweat stains from hats, one option is to use baking soda.
Test clean a small area underneath the brim. Apply diluted vinegar directly on the stain. We feel like we have found a simple solution for cleaning any hat!
Unlike many other types of hats, straw hats are often worn for more than just decoration, which increases the likelihood of stains. Vinegar and water will work most of the time. White vinegar is also great for spot treatment.
Clean the hat’s sweatband in the same way. When there are no more visible. Wipe away sweat stains with a cloth like a microfiber cloth, damped with water and a little dish soap.
Gently rub it on the stain (s) until gone. Fill a sink or bucket with cool or warm water. Try not to use a detergent with bleach or a bleach.
If that does not remove it, soak a sponge in bleach (dilute 1/8 cup bleach in 2 cups of cold water). Not very hard to do. We show you how to clean sweat stains on your hat, as well as just about anything else!