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How to Shrink Polyester Using a Washer & Dryer or an Iron Download ArticleTransform loose polyester clothes into perfectly fitting wardrobe faves Co-authored by Kamel Almani and Kyle Hall
Last Updated: November 26, 2024 Fact Checked
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Using a Washer & Dryer
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Using an Iron
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This article was co-authored by Kamel Almani and by wikiHow staff writer, Kyle Hall. Kamel Almani is a Laundry and Cleaning Specialist and the Co-Owner of WashyWash, a toxin-free and eco-friendly laundry and dry clean service based in Amman, Jordan. Kamel and his staff at WashyWash use Blue Angel certified and dermatologically-tested detergents. They also combine EcoClean and digital technology to provide an eco-friendly, convenient, and quality cleaning service. Kamel holds a BA in Design from the University of Applied Science, Amman. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 1,840,730 times.
You have the perfect polyester piece in your wardrobe, but there’s one problem: it’s too big. But did you know it’s actually really easy to shrink polyester clothes at home so they fit better? Whether you want to shrink a polyester shirt, dress, pair of pants, or other type of garment, the 2 methods below will give you fast results. Keep reading to learn how to use a washer and dryer or even just an iron to shrink your polyester clothing down to size.
How do you shrink polyester down a size?
Machine wash polyester clothing in hot water and dry it on high heat to shrink it. Re-wash and dry your garment 2-3 times until it's small enough. For more drastic shrinkage, iron your polyester clothing on medium heat while it's wet. Put a towel between the iron and your garment to protect it.
Steps
Method 1 Method 1 of 2:
Using a Washer & Dryer
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1 Turn your polyester clothing inside out. High heat is great for shrinking clothes, but it also fades them. Turning your garment inside out before washing and drying it will help protect it from fading.[1]X Expert Source Safir AliProfessional Dry CleanerExpert Interview
High heat can also cause color bleeding and transfer, so wash your polyester garment by itself.
2 Machine wash the polyester in hot water. Use your washing machine’s hottest water setting and the longest wash cycle.[2]XResearch source When it comes to shrinking clothes, the more heat, the better.
Ideally, the water should be at least 140 °F (60 °C).[3]X Expert Source Kamel AlmaniLaundry & Cleaning SpecialistExpert Interview
No need to add detergent, although you totally can if you also want to wash your garment.
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3 Dry the polyester on high heat. Use the highest heat setting and longest dry cycle.
4 Repeat the process if your polyester clothing didn’t shrink enough. Pull your garment out of the dryer and check out its new size. If it didn’t shrink as much as you hoped, don’t worry! Just repeat the washing and drying steps again to shrink it even more.
Keep in mind that the more you wash and dry the garment, the more the color may fade.
Only repeat the process 2-3 more times. If your clothing still isn’t small enough, use the iron method instead.
Advertisement Method 2 Method 2 of 2:
Using an Iron
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1 Machine wash your polyester clothing in hot water. Set the washing machine to the hottest water setting and the longest wash cycle.[4]XResearch source
2 Lay the wet polyester on an ironing board. Do this right after it’s done in the wash so it’s still soaked with hot water.
3 Lay a pressing cloth or white towel over the polyester. This will prevent the iron from damaging your clothing.
4 Iron the polyester on a low or medium heat setting. Keep ironing until your garment is completely dried. The heat from the iron combined with the warm water in the garment will cause the fabric to shrink!
Don’t use the steam setting on your iron—it will prevent the polyester from drying.
5 Check the results. Voila—your polyester clothing should be much smaller now! If it’s not small enough, try machine washing it in hot water and then drying it on high heat. If it’s still not small enough after that, it’s probably shrunk as much as possible, unfortunately. In that case, it might be time to accept defeat and add the piece to your pile of comfy, around-the-house loungewear!
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Question How do I keep my polyester shirt from stretching? Kamel Almani Laundry & Cleaning Specialist Kamel Almani is a Laundry and Cleaning Specialist and the Co-Owner of WashyWash, a toxin-free and eco-friendly laundry and dry clean service based in Amman, Jordan. Kamel and his staff at WashyWash use Blue Angel certified and dermatologically-tested detergents. They also combine EcoClean and digital technology to provide an eco-friendly, convenient, and quality cleaning service. Kamel holds a BA in Design from the University of Applied Science, Amman. Kamel Almani Laundry & Cleaning Specialist Expert Answer Don't hang it up after you wash it. Just fold it up and store it in your closet or dresser. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 3 Helpful 15
Question Can you shrink polyester in the dryer? Kamel Almani Laundry & Cleaning Specialist Kamel Almani is a Laundry and Cleaning Specialist and the Co-Owner of WashyWash, a toxin-free and eco-friendly laundry and dry clean service based in Amman, Jordan. Kamel and his staff at WashyWash use Blue Angel certified and dermatologically-tested detergents. They also combine EcoClean and digital technology to provide an eco-friendly, convenient, and quality cleaning service. Kamel holds a BA in Design from the University of Applied Science, Amman. Kamel Almani Laundry & Cleaning Specialist Expert Answer Yes—first, wash it in very hot water using normal laundry detergent. Then, put it in a tumble dryer on high heat. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 21 Helpful 41
Question Can I use the boiling water method and use the dryer method after to shrink polyester? wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. wikiHow Staff Editor Staff Answer Yes, absolutely! Putting your polyester in the dryer after boiling it will help it shrink more. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 13 Helpful 17
See more answers Ask a Question 200 characters left Include your email address to get a message when this question is answered. Submit Advertisement
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Tips
Some people have success shrinking polyester using boiling water. Bring a pot of water to a boil, then carefully add your polyester clothing and let it soak for around 15 minutes. Then, dry it on high heat (for additional shrinkage) or lay it out to dry.[5]XResearch sourceThanks Helpful 1 Not Helpful 2
How much your polyester clothing shrinks will depend on what percentage of polyester it’s made up of. 100% polyester clothing is tougher to shrink and may only shrink slightly. Polyester blends (like polyester mixed with cotton) on the other hand, will shrink more, possibly even a whole size.[6]XResearch sourceThanks Helpful 0 Not Helpful 2
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References
↑ Safir Ali. Professional Dry Cleaner. Expert Interview
Co-authored by: Kamel Almani Laundry & Cleaning Specialist This article was co-authored by Kamel Almani and by wikiHow staff writer, Kyle Hall. Kamel Almani is a Laundry and Cleaning Specialist and the Co-Owner of WashyWash, a toxin-free and eco-friendly laundry and dry clean service based in Amman, Jordan. Kamel and his staff at WashyWash use Blue Angel certified and dermatologically-tested detergents. They also combine EcoClean and digital technology to provide an eco-friendly, convenient, and quality cleaning service. Kamel holds a BA in Design from the University of Applied Science, Amman. This article has been viewed 1,840,730 times. 43 votes - 95% Co-authors: 16Updated: November 26, 2024 Views: 1,840,730 Categories: Cleaning Synthetic Fabric | LaundryArticle SummaryX
If you have a polyester item that’s too big, you can shrink it a little in your washing machine. Turn the garment inside out and put it through the wash on the longest, hottest cycle. Next, dry it for as long as possible with your dryer set to high heat. You may need to repeat this process 2 to 3 times to shrink the item as much as possible. Alternatively, wash the garment at high heat, then take it out of the washer and iron it on a low- to medium heat setting until it’s completely dry. If you want to learn how to shrink polyester with an iron, keep reading the article!Did this summary help you?YesNo
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Reader Success Stories
Anonymous
Oct 1, 2016
"Worked really well. If you've ever purchased clothing (in my case shirts) on the internet from overseas, mainly China, then you know they size clothing different than us. I ordered too large, tried this method and it saved me the hassle and cost of overseas return."..." more
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Yes No Did this article help you? Say thanks with a small tip. $1 $3 $5 Leave a Tip Support our mission to help everyone in the world learn how to do anything. Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Co-authored by: Kamel Almani Laundry & Cleaning Specialist Co-authors: 16Updated: November 26, 2024 Views: 1,840,73095% of readers found this article helpful. 43 votes - 95% Click a star to add your vote
Anonymous
Oct 1, 2016
"Worked really well. If you've ever purchased clothing (in my case shirts) on the internet from overseas, mainly China, then you know they size clothing different than us. I ordered too large, tried this method and it saved me the hassle and cost of overseas return."..." more
Melissa Norton
Mar 7, 2018
"For years I've tried to shrink things, with no success. Then today bought a coat too big and thought of having a look on wikiHow to see if any ideas and now it's having a red hot wash, fingers crossed. I will up date when finished washing and drying ."..." more
Christine Forseth
Aug 15, 2017
"I got a shirt from work that was too big. This is exactly what I was looking for and will be trying these today." Rated this article:
Lynette Borjas
Jun 1, 2017
"I needed to shrink some polyester clothing and using this process did the job." Rated this article:
Anonymous
Oct 14, 2016
"Turning the garment inside out helped." Share yours! More success stories Hide success stories
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Download Article Transform loose polyester clothes into perfectly fitting wardrobe faves Co-authored by Kamel Almani and Kyle Hall 
How toGet Wrinkles Out of Polyester 
How to Wash Polyester 
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Co-authored by: Kamel Almani Laundry & Cleaning Specialist This article was co-authored by Kamel Almani and by wikiHow staff writer, Kyle Hall. Kamel Almani is a Laundry and Cleaning Specialist and the Co-Owner of WashyWash, a toxin-free and eco-friendly laundry and dry clean service based in Amman, Jordan. Kamel and his staff at WashyWash use Blue Angel certified and dermatologically-tested detergents. They also combine EcoClean and digital technology to provide an eco-friendly, convenient, and quality cleaning service. Kamel holds a BA in Design from the University of Applied Science, Amman. This article has been viewed 1,840,730 times. 43 votes - 95% Co-authors: 16 Updated: November 26, 2024 Views: 1,840,730 Categories: Cleaning Synthetic Fabric | Laundry Article SummaryX
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1 Turn your polyester clothing inside out. High heat is great for shrinking clothes, but it also fades them. Turning your garment inside out before washing and drying it will help protect it from fading.[1] 
2 Machine wash the polyester in hot water. Use your washing machine’s hottest water setting and the longest wash cycle.[2] When it comes to shrinking clothes, the more heat, the better. 
3 Dry the polyester on high heat. Use the highest heat setting and longest dry cycle. 
4 Repeat the process if your polyester clothing didn’t shrink enough. Pull your garment out of the dryer and check out its new size. If it didn’t shrink as much as you hoped, don’t worry! Just repeat the washing and drying steps again to shrink it even more. 
1 Machine wash your polyester clothing in hot water. Set the washing machine to the hottest water setting and the longest wash cycle.[4] 
2 Lay the wet polyester on an ironing board. Do this right after it’s done in the wash so it’s still soaked with hot water. 
3 Lay a pressing cloth or white towel over the polyester. This will prevent the iron from damaging your clothing. 
4 Iron the polyester on a low or medium heat setting. Keep ironing until your garment is completely dried. The heat from the iron combined with the warm water in the garment will cause the fabric to shrink! 
5 Check the results. Voila—your polyester clothing should be much smaller now! If it’s not small enough, try machine washing it in hot water and then drying it on high heat. If it’s still not small enough after that, it’s probably shrunk as much as possible, unfortunately. In that case, it might be time to accept defeat and add the piece to your pile of comfy, around-the-house loungewear! Advertisement 
Kamel Almani Laundry & Cleaning Specialist Kamel Almani is a Laundry and Cleaning Specialist and the Co-Owner of WashyWash, a toxin-free and eco-friendly laundry and dry clean service based in Amman, Jordan. Kamel and his staff at WashyWash use Blue Angel certified and dermatologically-tested detergents. They also combine EcoClean and digital technology to provide an eco-friendly, convenient, and quality cleaning service. Kamel holds a BA in Design from the University of Applied Science, Amman. 
wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. 