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.
Cleaning baseball cap in washing machine.
Then follow step three above to reshape and dry the hat.
As for actual washing spot clean only especially if you re unsure of the bill material.
You can also check this short article about washing a cap using the dishwasher.
Washing may shrink a baseball cap.
Washing can ruin the brim on a baseball cap.
It s very important not to leave it in the sun as this may make the stains permanent.
Do not put your baseball cap in the dryer always air dry.
Avoid machine washing if your washing machine is a top loader with an agitator.
Spot clean any particular stains before washing using a suitable stain remover.
If you have a vintage hat with a cardboard brim you ll want to avoid fully submerging it.
How to wash a baseball cap in the washing machine.
Follow the steps below to keep your favorite hats clean and fresh.
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.
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.
Use table fan if required.
Soaking an old cardboard bill in water will obviously ruin it.
Since hats specifically the bill are structured items hand washing helps preserve the hat s specific shape.
Instead spot clean problem areas with water and delicate laundry detergent being careful not to wet the cardboard.
Machine washing can be unhealthy for caps but you can do it in some circumstances.
Using a toothbrush scrub the stains and then leave the cap to dry in the shade.
This is a protective device that can be washed and will keep the cap in its original shape.
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.
Washing can alter the shape of a baseball cap.
Use a gentle cycle and do not wash your cap in hot water.
Rinse the hat in cool clean water.
Warm and cold are fine.
If the rag comes away clean you re clear to use detergent.
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.
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.
After washing it in the dishwasher let it dry in the open air not in the direct sunlight.
If your baseball cap is dirty and contains grime dust then washing it is necessary.