How to Remove Tough Stains & Oders on Shirts

April 9, 2015

Underarm stains can appear yellow on white/light shirts. Sometimes they appear as crunchy areas in the underarm area or as darkened areas on darker fabrics.

And let's be honest -- Underarm stains are one of the hardest stains to remove, especially if the shirt has been dried in the dryer after becoming stained. Because they are tough stains, they require a bit of work to remove.

Here's what you will need to remove the stains:

  • Tide laundry detergent
  • Clear ammonia
  • Gloves to protect your hands
  • An old toothbrush

Make a solution of 1 part Tide to 1 part sudsy ammonia. Make sure you wear gloves when you mix, otherwise you can burn your hands. We've found that using 2-3 Tablespoons of each to completely cover the underarms of shirts is about right.

Turn the shirt inside out and lay flat on a thick white towel. You can use a colored towel, but make sure it’s been washed a million times and the color will not bleed. If there’s any doubt, use a white towel!

Pour a small amount of your Tide/ammonia solution onto the entire underarm area.

Use an old soft toothbrush to very gently rub the solution into the fabric of the shirt. The toothbrush will help lift up the fibers of the shirt and allow the solution to penetrate into the material.

After you’ve rubbed the toothbrush over the entire underarm area, allow the solution to sit for 20-30 minutes.

Then launder the shirt as you usually would, preferably in warm-hot water.


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