How to Clean an Armpit Smell From Polyester

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Things You'll Need

  • White vinegar

  • Pre-wash stain remover

  • Washing machine

  • 2 ounces enzyme-based laundry detergent

  • 2 ounces liquid fabric softener

  • Clothes dryer

Armpit odor becomes harder to extract from polyester shirts over time.

Everybody perspires and is susceptible to leaving foul-smelling body odor on his or her clothing. Perspiration is generally more profuse when working out and performing manual labor. Although resistant to mildew and wrinkles, polyester is vulnerable to armpit odor. Perspiration stains often accompany armpit odor, which doubles the embarrassment. The key to eliminating armpit odor from polyester is to clean the garment promptly, before the odor fully permeates the polyester. Clean an armpit smell from polyester by using basic cleaning agents.


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Step 1

Squirt white vinegar onto the underarm region of the polyester shirt, saturating the smelly area. Let the vinegar-dampened polyester air-dry.

Step 2

Smell the underarm area of the polyester shirt to determine if the odor is gone. If the odor lingers, coat the affected polyester liberally with pre-wash stain remover.


Step 3

Rub the pre-wash product into the polyester. Let the product permeate the polyester for 15 minutes.

Step 4

Rinse the polyester shirt thoroughly in warm water.

Step 5

Launder the polyester shirt in the washing machine with warm water and 2 ounces of enzyme-based laundry detergent.

Step 6

Dry the polyester shirt in the dryer, using the tumbling cycle.


Add 2 ounces of liquid fabric softener to the washing machine’s rinse cycle to soften the polyester.


Spot-test the vinegar and pre-wash product on the polyester item to prevent damage.