Take out collar stays in the collars of your shirts. Fasten the buttons on the shirts and apply a laundry pretreatment product to any stains.

Set your washing machine to the appropriate settings. Use cold water for dark-colored shirts and hot water for white or light-colored shirts. Set the machine to a regular wash cycle unless otherwise noted on the care label and add the recommended amount of detergent according to the label’s instructions.

Put your dress shirts in the washer. Let the shirts go through a complete cycle.

Remove the shirts from the washer as soon as the cycle has finished. Hang your dress shirts on wooden clothes hangers to air dry.

Fill a clean tub or sink with water. Use cold water for dark-colored clothing and hot water for light-colored and white clothing.

Add laundry detergent to the water according to the label’s measuring instructions. Mix the detergent and water with your hands.

Place the dress shirts into the water. Move the shirts around in the water for a few minutes to wash them.

Drain the soapy water from the tub or sink and fill it with clean, cool water. Swish around the shirts until all the soap residue is gone.

Remove the shirts from the water and squeeze them gently without wringing them. Roll each shirt into a clean white bath towel to remove the excess water. Hang the shirts to dry.