You need to remember there are three key issues with baseball cap washing that you need to consider before making any big cleaning decisions this applies to both dishwashers and washing machines.
Cleaning baseball cap in washing machine.
Do not put your baseball cap in the dryer always air dry.
Machine washing can be unhealthy for caps but you can do it in some circumstances.
Instead spot clean problem areas with water and delicate laundry detergent being careful not to wet the cardboard.
Cotton polyester blends and synthetic materials such as acrylic or mesh are generally safe bets for machine washing because the material is durable and colors typically won t run.
Washing may shrink a baseball cap.
It s very important not to leave it in the sun as this may make the stains permanent.
Using a toothbrush scrub the stains and then leave the cap to dry in the shade.
While you may have heard you can wash a hat in the dishwasher or washing machine it s best to stick with hand washing to avoid bending the hat out of shape.
If your baseball cap has stains on it and you want to get rid of them you can try removing them with a mixture of water washing up liquid and ammonia.
Avoid machine washing if your washing machine is a top loader with an agitator.
If the rag comes away with some color you ll have to use water only to clean the cap and simply do the best you can.
Soaking an old cardboard bill in water will obviously ruin it.
Spot clean any particular stains before washing using a suitable stain remover.
Warm and cold are fine.
Follow the steps below to keep your favorite hats clean and fresh.
Wash your hat but do not dry your cap in the washer.
Use a gentle cycle and do not wash your cap in hot water.
How to wash a baseball cap in the washing machine.
If your baseball cap is dirty and contains grime dust then washing it is necessary.
You can also check this short article about washing a cap using the dishwasher.
Use table fan if required.
Cleaning older baseball caps those from the early 80s or before in a washing machine is not recommended since they likely have a cardboard brim.
As for actual washing spot clean only especially if you re unsure of the bill material.
Washing can ruin the brim on a baseball cap.
After washing it in the dishwasher let it dry in the open air not in the direct sunlight.
Then follow step three above to reshape and dry the hat.
As much as i love using the dishwasher to clean a host of household items i don t recommend it for hat cleaning because of the hot water issue.
Washing can alter the shape of a baseball cap.
Since hats specifically the bill are structured items hand washing helps preserve the hat s specific shape.
If the rag comes away clean you re clear to use detergent.
Rinse the hat in cool clean water.