How to Wash a Hat in a Dishwasher

On this page (8 sections)

1. Can you wash a hat in a dishwasher?
2. Which hat materials are risky in a dishwasher?
3. How to wash a hat in a dishwasher more carefully
4. How to hand wash a hat instead
5. How should you dry a hat after washing?
6. Can a long dishwasher cycle damage a hat?
7. Which dishwasher parts help if the machine has another problem?
8. What is the safest way to decide?

Check the care label and hat materials before you try to wash a hat in a dishwasher. Hand washing is the safer choice for hats with cardboard brims, wool, leather, glued parts, delicate trims, or unknown materials.

A dishwasher can expose a hat to hot water, strong detergent, and a long wash cycle. Even if a cap looks sturdy, those conditions may fade color, loosen decorations, shrink fabric, or bend the brim.

Can you wash a hat in a dishwasher?

You can wash some hats in a dishwasher only when their care instructions permit it. A washable cotton or synthetic cap with a plastic brim may be a candidate, but the label and construction matter more than the hat's appearance.

Remove pins, clips, and other detachable decorations first. Don't wash a valuable, signed, vintage, or sentimental hat by this method, because damage may be permanent.

Keep the hat separate from dishes and utensils. Food residue and dishwasher detergent aren't suitable for clothing, and dishes can press against the hat or catch on its trim.

Which hat materials are risky in a dishwasher?

Avoid a dishwasher if the hat contains cardboard, wool, leather, glued pieces, or delicate decoration. Water, heat, and detergent can change the shape or finish of these materials.

Older caps may have a cardboard brim even when the crown feels washable. If you can't tell whether the brim is plastic or cardboard, don't risk a machine wash.

Leather patches, embroidery, printed designs, and metal details can also be affected by detergent or heat. Check the care label and any instructions from the hat maker before cleaning.

If you have a dishwasher with a stainless steel interior, read about is stainless steel dishwasher safe for cookware and utensils, but remember that a safe dishwasher tub does not make every item safe to wash in it.

How to tell whether a brim is cardboard or plastic

If you can't confirm the brim material, treat it as cardboard and hand wash the hat. Cardboard can soften, warp, or lose its shape when soaked.

A flexible brim may still contain cardboard, so feel alone is not a reliable test. Look for care details from the brand or use a gentle spot-cleaning method instead.

How to wash a hat in a dishwasher more carefully

Use a cool, gentle cycle only if the hat's care label allows machine washing. Place it in a hat cage if it needs support, keep it away from dishes, and turn off heated drying.

1. Remove loose dust and spot-clean stains by hand.
2. Fasten the hat in a clean hat cage if the crown needs support.
3. Put it on the upper rack, away from dishes and utensils.
4. Use a detergent approved for the fabric, in a small amount.
5. Select a short, cool cycle without heated drying.
6. Remove the hat when the cycle ends and air dry it on a rounded form.

Don't use rinse aid or a high-heat setting unless the care label specifically permits them. If the washer can't run without heat, or you can't choose a gentle cycle, hand washing is the better option.

Does a dishwasher hat cage help?

A hat cage can help support a washable cap's shape during cleaning. It doesn't protect a hat from unsuitable water temperature, detergent, or a cardboard brim.

Choose a cage that fits the hat without stretching it. Secure it so it won't fall against dishes, the heating element, or the spray arms.

How to hand wash a hat instead

Hand wash the hat with cool water and a mild detergent when the materials are uncertain. This gives you more control over soaking and scrubbing.

Mix a small amount of detergent into a basin of cool water. Dab stained areas with a soft cloth or brush, then rinse gently without wringing or twisting the brim.

Press water out with a clean towel and reshape the crown by hand. Let the hat air dry away from direct heat or strong sunlight.

How should you dry a hat after washing?

Air dry the hat on a rounded form that supports its crown. Keep it away from a clothes dryer, radiator, or other direct heat source.

A clean bowl or rounded container can help the crown hold its shape, as long as it doesn't stretch the fabric. Keep the brim level and adjust the shape gently while the hat is damp.

Wait until the hat is fully dry before wearing or storing it. Damp fabric can lose its form when handled or folded.

Can a long dishwasher cycle damage a hat?

A long cycle can increase exposure to water, detergent, and heat, which raises the risk of fading or distortion. A shorter cycle may reduce exposure, but it can't make an unsuitable hat safe to wash.

If your dishwasher's cycle is much longer than expected, review why do dishwashers run so long to understand the wash and drying stages. For a hat, the key choice is still whether its care instructions allow dishwasher cleaning.

Which dishwasher parts help if the machine has another problem?

These dishwasher parts address appliance repairs, not hat cleaning. Check your dishwasher's model and repair needs before considering any replacement part.

What is the safest way to decide?

For how to wash a hat in a dishwasher, start with the care label and brim material. Use a cool, gentle dishwasher cycle only for a washable hat with a confirmed plastic brim, and air dry it afterward.

Choose hand washing if the hat is valuable, decorated, made from a delicate fabric, or has an unknown brim. When in doubt, use a damp cloth to spot clean rather than risking a full wash.

Frequently asked questions

Can you wash a hat in the dishwasher?

Sometimes, but only if the care label allows water washing and the hat has no cardboard brim, wool, leather, glued trim, or delicate decoration. Use a hat cage if its shape needs support, keep it away from dishes, and choose a cool, gentle cycle without heated drying.

Can you wash a baseball cap in the dishwasher?

A washable synthetic or cotton cap may tolerate a cool, gentle dishwasher cycle, but check its care label and brim construction first. Older caps may contain cardboard that can warp when wet, and heat can shrink or distort fabric, so air drying is essential.

What detergent should I use to wash a hat in the dishwasher?

Use only a detergent that is safe for the hat fabric and follow the hat maker's instructions. Dishwasher detergent is made for dishes and may be too harsh for dyes, trims, or finishes; when unsure, hand wash with a small amount of mild laundry detergent.

Can I dry a hat in the dishwasher?

Air dry the hat instead of using the dishwasher's heated dry setting. Heat can shrink or deform fabric and brim materials, while a hat cage or clean rounded form can help preserve the crown as it dries.