The number one thing to do when learning how to get sweat stains out of hats is to check to see if your hat has a care label. If so, follow any instructions. If the hat doesn’t say Dry Clean Only, do ...

Prompt cold-water rinsing and long soaking times help prevent stains from setting in synthetic sportswear. A mix of hydrogen peroxide, vinegar, baking soda, and detergent tackles common stains like ...