Hats aren’t washed very often, which means sweat and body oils tend to build up—especially around the inner band that touches your forehead. Simply tossing a hat into the washing machine can leave stains behind or ruin its shape. Following the correct process is key.
Pre-Treat the Dirty Area (Oil Removal)
Start by applying an oil remover or dish soap generously to the inner band where the hat touches your forehead.
Use a soft brush to gently scrub the area. The goal is to break down sweat and oil buildup.
For heavily stained areas (such as the back of the hat), use a slightly firmer brush to remove stubborn grime.
Rinse with Running Water
After pre-treatment, rinse the hat under running water to wash away the loosened dirt and residue.
Second Cleaning with Alkaline Detergent
Apply a small amount of alkaline detergent directly to any remaining stained areas.
Gently scrub again with a brush, then let it sit for about 5 minutes so the detergent can fully work.
If stubborn grease buildup on the front of the hat doesn’t come out, spray a strong oil remover such as a microwave spray cleaner, let it sit for about 30 minutes, then wash.
Use the Wool Cycle (or Hand Wash)
Place the hat in the washing machine and use the wool/delicate cycle (low agitation), or wash it by hand.
Avoid strong cycles, as they can warp the brim and distort the overall shape.
Bleaching (Optional)
For white hats, you may use oxygen bleach (like OxiClean) if needed.
Be cautious with hats that are not fully white, as color bleeding may occur during bleaching.
Reshape and Air Dry
After washing, place the hat on a hat form (shape holder) to maintain its original structure.
Let it air dry in a well-ventilated area.
🧺 Pro Tip from a Dry Cleaner
Extra care is recommended for low-cost promotional caps and vintage-style caps, as they may feature cardboard brims that are not water-resistant.
Proper hat care isn’t just about cleaning—it’s about removing stains while preserving shape so your hat stays fresh and wearable for a long time.