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Cotton sweaters are great for spring, fall, and winter weather. They are durable and come in many thicknesses. Unlike wool, cashmere, and other fabrics, cotton sweaters can be washed in the washing machine; however, you need to follow certain guidelines, such as using the delicate wash cycle and laying the sweater flat to dry, to keep the sweater looking great for as long as possible.

Method 1
Method 1 of 3:

Using a Washing Machine

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  1. The manufacturer who made your sweater knows the most about the fabric and what is best for it. Before anything else, check the tag on your sweater to see if there are any special care instructions. The care tag is often on the inside seam on the side of the sweater, or behind the size tag at the back of the neck. [1]
  2. Consider using a stain remover like OxiClean Versatile or Shout Advanced on any stains you see before putting the sweater in the washing machine. [2] Follow the instructions on the label of the cleaner you choose. For example, some stain removers may require that you leave the remover on the stain for 10 minutes before you put the sweater in the washing machine.
    • Different stain removers are intended for different types of stains, so spend some time deciding what the right stain remover is for your sweater. [3]
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  3. Wash the sweater with other items that are in the same color group. If your sweater is white, wash it with other white items. If it is dark, wash it with other dark items. If the sweater is a bright color and has not been washed before, wash it by itself the first time to be sure that the color won’t stain your other clothes. [4]
  4. Check the back of your laundry detergent container to see how much you should use, given the amount of clothing in your load. For most cotton sweaters, you can use regular all-purpose laundry detergent or a gentle laundry detergent.
    • Liquid detergents tend to work best for removing greasy or oily stains. Powder detergents work great for removing dirt or clay. [5]
  5. On your washing machine, turn the knob or press the button to select the cycle called “wool,” “hand-wash,” or “delicate.” If there is no delicate cycle option, choose the shortest cycle available. This will help prevent damage to your sweater from a rough wash cycle. [6]
  6. Select cold water for bright-colored sweaters, and warm water for light-colored sweaters. Cold water can help the sweater maintain its color, so if in doubt, stick with a cold wash for your sweater. Avoid using hot water with sweaters, unless the care tag specifically says to.
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Method 2
Method 2 of 3:

Drying Cotton Sweaters

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  1. After the sweater has been washed, put it in the dryer for a few minutes to remove any stiffness. Choose the low heat option to minimize any shrinkage. After 5-10 minutes, remove the sweater from the dryer. [7]
  2. Lay the sweater down in the shape that it will be on your body. This means that the body part is flat, and the arms and shoulders are in the form they are when you wear it. Do not hang your sweater, as that could cause it to stretch or get hanger bumps in the shoulders; however, if you must hang it, do so correctly––as advised here .
    • If possible, set the towel on a tile floor, rather than on carpet. Otherwise, your carpet will get damp as the sweater soaks through the towel.
  3. , if necessary. Cotton is heat resistant so it can withstand repeated use of an iron. Check the sweater’s label to see if there are any special instructions regarding ironing.
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Method 3
Method 3 of 3:

Prolonging the Life of Your Sweater

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  1. your sweater. If your sweater’s care tag advises that you hand-wash the sweater, it is best to follow that advice. Also, you can hand-wash the sweater if your washing machine does not have a delicate cycle. To do so, fill a sink or tub with cool water, pour in laundry detergent, place the clothes in the sink or tub, and allow them to soak. Gently knead the clothes for a moment or two, and then rinse until the water runs clear.
    • Hand-washing can help extend the life and quality of your sweater because it is more gentle than machine-washing.
  2. Your sweater will be less likely to wear or pill if it is inside out when you put it in the washing machine. Simply stick your hand inside the sweater and gently pull the sleeves to turn it inside out.
  3. This can help protect your sweater from damage that may occur in the washing machine. Simply take a clean pillowcase with a zipper and place your sweater inside. Then, place the pillowcase in the washing machine, choose the delicate cycle, and wash the sweater. [8]
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Expert Q&A

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  • Question
    How do you get armpit stains out of colored sweaters?
    Susan Stocker
    Professional Cleaner
    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.
    Professional Cleaner
    Expert Answer
    You'd be surprised, but lemon juice is actually really good for this. Mix 50% lemon juice with 50% warm water and scrub the stains until they disappear. Just make sure you juice real lemons for this. It won't work if you use the pre-bottled stuff.
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      Tips

      • If you stain your sweater, try to remove the stain immediately. Consult a stain chart to see the best way to get out a stain. Follow your stain removal process with the above washing method. [9]
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      Warnings

      • Cotton sweaters can lose their shape with repeated washing and wearing.
      • Cotton blend sweaters will be more likely to pill, so avoid using the dryer for these. You can go ahead and lay the sweater flat to dry.
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      Things You'll Need

      • Washing machine with a delicate cycle
      • Laundry detergent
      • Dryer
      • Sweater rack or towel
      • Iron (optional)
      • Stain remover (optional)
      • Zippered pillowcase (optional)

      About This Article

      Article Summary X

      To wash your cotton sweater, put it in the washing machine along with similarly-colored clothing and laundry detergent. Then, wash on the gentlest cycle, which may be called “wool,” “hand wash,” or “delicate,” and select “cold” for the temperature. When the laundry cycle is done, put your sweater in the dryer. To keep it from shrinking in the dryer, take it out after only 5-10 minutes, then lay it out on a towel to dry the rest of the way. To learn how to hand wash delicate sweaters so they last longer, keep reading!

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