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Dodge pit stains and yellowing collars with these simple tips
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Your fresh white shirts are a smart staple of your wardrobe, at least until those pesky yellow stains appear. But those yellow spots don't have to be inevitable! With a few mindful prevention practices, you can keep your whites sparkling. We talked to Cleaning expert Susan Stocker to show you how to prevent stains on white clothing, both while wearing them and while laundering them.

Things You Should Know

  • Wash away any excess oils or skincare products in the shower before you put on a white shirt to prevent collar stains.
  • Switch to an aluminum-free deodorant, or wear an undershirt beneath a white shirt, to prevent yellow armpit stains.
  • Launder your white clothing with about 1  c (240 mL) of lemon juice instead of bleach to brighten their color.
Method 1
Method 1 of 2:

Preventing Collar and Underarm Stains

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  1. White shirt collars tend to pick up built-up dirt, oils, and haircare products from the back of your neck, leading to grungy, yellowish discoloration. The next time you plan to put on a white shirt, jump in the shower first and give the back of your neck a good scrub with soap or body wash.[1]
    • If you don’t have time for a shower, wash the back of your neck with a soapy washcloth or a cleansing wipe before putting on your shirt.
  2. If you tend to use hair products (such as gel or wax) or skincare products (like lotions or moisturizers), wipe the back of your neck before putting your shirt on. These products can easily pick up dirt and grime, and some may contain staining ingredients.[2]
    • Let any hair product dry before putting on your shirt, especially if your hair is long enough to touch your collar.[3]
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  3. The major culprit behind those aggravating yellow underarm stains is not your sweat, but the aluminum used in many deodorants and antiperspirants. A chemical reaction between sweat and aluminum creates the yellow discoloration. To prevent this problem, switch to a natural, aluminum-free deodorant that focuses on combating bacterial odors rather than blocking your pores.[4]
    • Look for deodorants that say “aluminum free” on the label, or make your own deodorant using household ingredients and essential oils.
    • Some antiperspirants are formulated to both reduce sweating and prevent yellow stains. Look for deodorants that say something like “anti-yellow staining” or “fights stains on shirts” on the label.
    • To fight wetness without shirt-staining aluminum, combine an aluminum-free deodorant with a sprinkling of absorbent Gold Bond or a little baby powder.[5]
  4. Undershirts provide a barrier of protection between your shirt and your body. They may be particularly useful for preventing underarm stains. If you perspire a lot, look for undershirts with built-in sweat guards.[6]
  5. Having a lot of armpit hair promotes excess sweating, especially when the weather is hot. Protect your shirts from sweat stains and reduce your need for staining antiperspirants by removing some or all of your underarm hair.[7]
  6. Catching and treating stains early is key to preventing them from taking hold. As soon as you notice discoloration starting to develop on your shirt’s collar or underarms, use a commercial pre-laundry stain treatment on the area.[8] Wash or dry clean your shirt as soon as possible.
    • Enzyme-based cleaners are especially good for tackling sweat stains.
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Method 2
Method 2 of 2:

Avoiding Stains during Laundering

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  1. While bleach is a common laundry-whitening agent, it can react with certain kinds of fabrics and create a yellowish discoloration. It is especially important to avoid using bleach on wrinkle-resistant cotton, polyester, or polyester blends.
  2. Instead of trying to brighten up your white shirts with chlorine-based bleach, add 1 cup (about .25 liters) of lemon juice to your wash along with your regular detergent. Wash only white clothes with lemon juice, as it can cause colors to fade.[9]
    • Alternatively, mix 4 tablespoons of baking soda to 1 liter of warm water and scrub. Let sit for 1 to 2 hours. Rinse and check to see if the stain is completely removed.
  3. If your white shirts are coming out of the wash with yellow or orange stains or discoloration, iron in your water may be the culprit.[10] Get a home water-hardness testing kit at your local home supply store, or contact a certified water testing lab in your area and find out how to get a sample of your water tested for iron.
  4. Iron stains are very difficult to remove from clothing, so the best way to protect your white shirts is to treat your water. If your tests indicate that your water is high in iron, you may need to install a home water filter or water softening system designed to treat iron-rich water.[11]
    • If you are not comfortable installing your own water filter or softener, contact a professional plumber.
    • Someone at a certified water testing lab in your area may be able to advise you on the best type of filtration system for your home.
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Things You’ll Need

  • Soap and water or cleansing wipes
  • Aluminum-free deodorant
  • Baby powder or sweat-absorbent body powder
  • Undershirts
  • Enzyme-based stain removers
  • Lemon juice
  • Water testing kit for iron and water hardness
  • Home water filter

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Expert Interview

Thanks for reading our article! If you’d like to learn more about avoiding stains on clothes, check out our in-depth interview with Susan Stocker.

About This Article

Susan Stocker
Co-authored by:
Professional Cleaner
This article was co-authored by Susan Stocker and by wikiHow staff writer, Megaera Lorenz, PhD. Susan Stocker runs and owns Susan’s Green Cleaning, the #1 Green Cleaning Company in Seattle. She is well known in the region for outstanding customer service protocols — winning the 2017 Better Business Torch Award for Ethics & Integrity —and her energetic support of green cleaning practices. This article has been viewed 64,062 times.
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Co-authors: 5
Updated: December 8, 2023
Views: 64,062
Categories: Cleaning Fabric
Article SummaryX

To avoid yellow stains on the collars and underarms of your white shirts, try switching to an aluminum free deodorant. Look for deodorants that are labeled, “aluminum-free,” or say something like “anti-yellow staining” on the label. If you’re looking to fight wetness as well as odor, try an aluminum-free antiperspirant with a sprinkling of Gold Bond or baby powder. For more advice, including laundry techniques to prevent yellow discoloration during the wash cycle, keep reading.

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Thanks to all authors for creating a page that has been read 64,062 times.

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