How To Remove Sweat Stains The Easy Way

How To Remove Sweat Stains The Easy Way

How To Remove Unsightly Yellow Armpit Stains

Several years ago, both of my youngest boys joined the basketball “league” at our church. I was happy that they were both having a great time playing, but their laundry was suddenly giving me a headache!

After running around and getting all sweaty, their white undershirts took on yellow sweat stains at the armpits that just wouldn’t budge, no matter what I tried! I even tried pouring straight bleach on the stains at one point, and still, those stains stayed put. But I was determined to find a solution to those stubborn stains!

After scouring the internet for hours, I came across the following method. And to my surprise, it worked like a charm! The secret is the combination of grease-cutting dish soap and oxygen-powered hydrogen peroxide. It’s able to cut through the greasy residue and dissolve the organic compounds from the sweat, so that a regular laundry cycle can lift the stain right out. Here’s how it works!

Check out this armpit stain cleaning solution in my video at the bottom of the post!

How To Remove Sweat Stains The Easy Way

How To Remove Sweat Stains (& Other Stubborn Stains)

You’ll need:

How To Remove Sweat Stains The Easy Way

Directions:

Combine 1 part Dawn dish soap and 2 parts hydrogen peroxide in a small bowl. Stir to combine.

How To Remove Sweat Stains The Easy Way

Apply the soap and peroxide mixture to the stain(s), and sprinkle a bit of baking soda over the area.

How To Remove Sweat Stains The Easy Way

Use a laundry scrub brush or an old toothbrush to work the Dawn, peroxide, and baking soda into the fibers of the shirt. (Make sure to clean an area slightly bigger than the actual stain so you don’t accidentally miss any of it.)

How To Remove Sweat Stains The Easy Way

After scrubbing, let the clothing sit for at least an hour or so, and then launder as usual. I accidentally let this white shirt sit for an entire weekend before washing because I forgot about it, but it was completely fine and came out of the wash looking brand new!

Related: Removing Blood Stains Easily with Hydrogen Peroxide

How To Remove Sweat Stains The Easy Way
How To Remove Sweat Stains The Easy Way

I’ve also tested this method on stains on dark shirts, and in my experience it works just as well as it does on lighter shirts. (On the dark shirts I have tried this on, I haven’t let them sit for longer than a few hours, so I can’t say for sure that it wouldn’t cause fading if left for a few days. If anybody tries it, let me know how it goes!)

How To Remove Sweat Stains The Easy Way

Removing Armpit Stains (Step by Step)

Jill Nystul
The secret to this cleaning trick is the combination of grease-cutting dish soap and oxygen-powered hydrogen peroxide. It’s able to cut through the greasy residue and dissolve the organic compounds from the sweat, so that a regular laundry cycle can lift the stain right out!
4.92 from 12 votes

Video

Prep Time 5 minutes
Active Time 1 hour
Total Time 1 hour 5 minutes
Cost $8
Yield 1 clean shirt

Equipment

  • Scrub Brush
  • Toothbrush
  • Mixing Bowl

Ingredients
  

  • 1/2 cup dish soap
  • 1 cup hydrogen peroxide

Instructions
 

  • Combine 1/2 cup dish soap and 1 cup hydrogen peroxide in a small bowl.
    How To Remove Sweat Stains The Easy Way
  • Apply the soap and peroxide mixture to the stain(s) and sprinkle baking soda over the area.
    How To Remove Sweat Stains The Easy Way
  • Use a laundry scrub brush or an old toothbrush to work the soap, peroxide, and baking soda into the fibers. (Make sure to clean an area slightly bigger than the actual stain so you don’t miss any of it.)
    How To Remove Sweat Stains The Easy Way
  • Let the clothing sit for an hour or so, then launder as usual.
    How To Remove Sweat Stains The Easy Way

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Jill Nystul (aka Jillee)

Jill Nystul is an accomplished writer and author who founded the blog One Good Thing by Jillee in 2011. With over 30 years of experience in homemaking, she has become a trusted resource for contemporary homemakers by offering practical solutions to everyday household challenges.I share creative homemaking and lifestyle solutions that make your life easier and more enjoyable!

About Jillee

Jill Nystul

Jill’s 30 years of homemaking experience, make her the trusted source for practical household solutions.

About Jillee

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4.92 from 12 votes (8 ratings without comment)

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50 Comments

  1. Using Dr Bronners peppermint castille soap works perfectly too in place of Dawn in this mixture.

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  2. I’ll give this a try. Do you think it would work on getting the grassy, dirt stains out of baseball pants? I need a stain fighter solution for that one too.

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  3. This has become my go-to stain remover since I first heard about this combination. I have a spray bottle in my laundry room with a hydrogen peroxide and Dawn mix, ready to tackle all my stains. The very toughest get the baking soda added. I usually don’t use a brush, but will scrub the cloth between my hands and I let the clothes air dry, so as not to set whatever stain might remain.

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  4. This is good to know. I wear white t-shirts under my work shirts for layering. The shirts everyone wears are so thin. I don’t care so much about the stains on a shirt I’m wearing underneath work clothes.

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  5. This is very similar to a stain remover formular I’ve used for 20-25 years. It was given to me by the owner of a children’s clothing resale shop. I mix up a huge batch, put it in a squirt bottle and use it on everything. I treat the stain (on any color clothing) and just throw it in the hamper until laundry day – no fading. The formula is 1 part Dawn, 1 part ammonia, and 2 parts hydrogen peroxide. I was told the ammonia breaks down body oils (and Heloise advises using a cup in your load of towels or sheets to remove body oils – which also helps brighten and freshen them). This takes out almost every stain and has been kid-tested on sports stains, blood, etc. I will try it with the addition of the baking soda!

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    • Thank you so much Jillee and Margot, it is wonderful to read this helpfull comments.
      I happen to live in Argentina, thus I don´t know if the products are the same.
      Our Ammonia is liquid and has a very, very penetrating smell. Is that the Ammonia you use???, mixed with the liquid soap and hydrogen peroxid.
      How strong is your hydrogen peroxid?
      Kindest regards

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      • The hydrogen peroxide is 3% :-)

  6. Dawn is almost as versatile as white vinegar!! Thanks Jillee!

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  7. What strength of peroxide? It comes in various percentages. Thanks.

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  8. Thank you, Jillee. I’m starting workout classes soon and I remember how indelicate the underarms of my T-shirts can be. I’m definitely keeping this one handy!

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