5-Minute Crafts
5-Minute Crafts

How to Clean a Baseball Cap Without Ruining It (3 Methods)

If you usually wear a cap, either to shade yourself from the sun or while you’re doing exercise, it will probably end up dirty or getting some dust on it. 5-Minute Crafts will teach you different methods to wash your baseball cap and keep it clean, without it getting ruined.

Method 1: Water + liquid soap

You’ll need:

  • Liquid dish soap (or detergent)

  • Water


1. Fill a container with cold water. If the cap is too dirty or stained, then you should use lukewarm water. However, bear in mind that water that’s too hot may ruin it. Next, pour in some liquid soap. Stir thoroughly until the water and soap are well integrated.

2. Put the cap into the soapy water solution. Leave it to soak for at least a couple of hours to loosen any stains or dirt.

3. After you’ve left it to soak for a while, take it out and gently rub it using your hands to create more foam.

4. Turn on the faucet and rinse the cap with water.

5. Turn it over and rinse off all the soap. It should be completely clean.

6. Leave it to dry outside but not in direct sunlight. You may place it on an object, like an empty jar or a round container, so as not to ruin its shape.

Method 2: Water + bar soap

You’ll need:

  • Bar soap for delicate garments

  • Soft bristle brush

  • Water


  1. Rub the dry soap with a damp brush to create foam. Gently rub the stubborn stains on the surface of the cap.

  2. Then wet the cap and rub it with the bar soap covering the complete surface.

  3. Turn on the faucet and rinse it. Make sure you rinse off all the soap.

  4. You can dry it outside. Avoid exposing it to direct sunlight, since this could cause fading.

Method 3: Dry cleaning

You’ll need:

  • 1 tsp of sodium bicarbonate

  • 1 plastic bag

  1. If your cap is damp after using it on a particularly hot day, it may get sweat stains and start to smell bad. To prevent this from happening, put it in a plastic bag and add some sodium bicarbonate.

  2. Close the bag, leaving some air inside. Shake the bag vigorously for a couple minutes.

  3. Take the cap out of the bag and shake off any bicarbonate residue. Then you can put it away in a closet.

Some tips

  • Some caps can be put into a washing machine or in the dryer. Check the tag first.

  • Don’t use bleach when cleaning it. This chemical could potentially stain it and ruin its color.

  • Never put it in the dishwasher. The abrupt change from cold to hot water during one of the cycles could ruin the fibers of the fabric and cause fading.

  • When we put away caps in a closet for a long time, they may start to smell. To get rid of any musty smell, put the cap in a plastic hermetic bag and place it in the freezer for at least 24 hours.

5-Minute Crafts/Tricks/How to Clean a Baseball Cap Without Ruining It (3 Methods)
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