u/Derogater

Polyester is the new birth control.
▲ 0 r/SustainableFashion+1 crossposts

Polyester is the new birth control.

Listen, I know you want to look good in your skin tight clothes...but what’s really sexy is, fertility.

Nature doesn't make fabrics like that for a reason. Polyester isn’t some miracle material...it’s basically recycled plastic. We all know you shouldn’t heat up food in plastic, but when you go to hot yoga or on a run in polyester you’re basically heating up yourself in a plastic container.

Polyester clothes contain endocrine disrupting chemicals, BPA, and heavy metals. All of it rubs right into your skin, exactly where you don’t want it.

That’s not all. Polyester also carries an electrostatic field. Sounds woo-woo, but it’s real. Your body is electrical, and fabrics hold a frequency. Wrap yourself in polyester long enough and you’re literally scrambling your hormone production...and that is what some of the studies shows now.

If you wouldn’t drink a bottle of BPA and microplastics, don’t wear them pressed against your skin.

Stick to natural fibers. Cotton, linen, wool, hemp. Nature got it right.

And if you own a dog, definitely don't put them in polyester pants.

Highlights:-

  • Shafik 1992 (Fertility and Sterility) - polyester scrotal sling → azoospermia in 14 men. Real study but very specific conditions.
  • Shafik 1993 (Urological Research) - dog study, polyester underwear, sperm count drops
  • 1996 Urological Research - sexual activity reduced in polyester underwear
  • BPA/phthalates in textiles - real concern, Center for Environmental Health independent testing
  • Electrostatic field - this is actually cited in the Shafik studies as the proposed mechanism

Blogs:-

https://matethelabel.com/blogs/mate-journal/common-endocrine-disruptors-found-in-fashion

https://twomoonshealth.co/blogs/all/hormone-disruptors-in-clothing

https://blog.planetcare.org/scientists-made-men-switch-from-polyester-to-cotton-underwear-what-happened-next-will-terrify-every-person-wearing-synthetic-clothes/

https://vibrantbodycompany.com/blogs/education/does-polyester-cause-cancer

https://www.theweek.in/news/health/2025/12/18/fact-check-are-polyester-and-nylon-clothes-disrupting-your-hormones-without-you-knowing.html

https://www.sustainablejungle.com/is-polyester-bad-for-you/

https://www.organised.co/community/articles/is-polyester-bad-for-hormones-your-guide-to-hormone-safe-clothing

https://orbasics.com/blogs/stories/chemicals-in-clothing-is-polyester-an-endocrine-disruptor-1

https://www.eviemagazine.com/post/polyester-underwear-could-be-causing-widespread-infertility-in-men

https://rightsfreedoms.wordpress.com/2023/05/20/study-polyester-underwear-lowers-sperm-counts-atrophies-testicles-and-decreases-sexual-desire/

https://opok.com/blogs/news/why-organic-underwear-matters-what-doctors-and-new-research-say-about-fertility-hormones-fabric

https://opok.com/blogs/news/polyester-and-male-fertility-the-hidden-danger-in-your-clothing

https://friendtex.com/does-polyester-underwear-cause-infertility/

https://laughlinmercantile.com/blogs/articles/polyester-underwear-and-mens-fertility-untangling-the-threads-of-research

https://lifestylemonitor.cottoninc.com/cmon-get-healthy/

https://scienceinsights.org/is-polyester-an-endocrine-disruptor/

u/Derogater — 1 day ago

Ok so this came out of the american chemical society conference like a week ago and its been bugging me since.

researchers tested 11 kids shirts from different fast fashion retailers. mix of bright and muted colors. every. single. one. was over the 100 ppm lead limit the CPSC sets for kids products.

but the part that really messed me up was when they simulated a toddler chewing on the fabric. because you know they do. the lead exposure from just that was over the FDA daily limit for kids. from chewing on a shirt.

and you can’t just wash it out either. the lead researcher said most detergents are phosphate free now so they literally don’t remove lead. even the specialized stuff only partially works.

i went down a rabbit hole on why lead is even in clothes and apparently some manufacturers use lead based compounds as a cheap way to bind dyes to fabric. makes colors pop and last longer. reds blues pinks even gray tested high.

idk i feel like nobody talks about this stuff. we obsess over organic snacks and clean sunscreen but then dress our kids in whatever’s cheapest without a second thought. even though i was working in textiles i still didnt know half of this. it only became a thing for me when my kid was born and i actually started reading more about whats in the fabric not just whats printed on the tag.

if a brand can’t tell you what their fabric has actually been tested for thats all you need to know honestly.

do you guys actually check fabric certifications before buying kids clothes or is that just me being paranoid at this point?

reddit.com
u/Derogater — 23 days ago

Ok so this came out of the american chemical society conference like a week ago and its been bugging me since.

researchers tested 11 kids shirts from different fast fashion retailers. mix of bright and muted colors. every. single. one. was over the 100 ppm lead limit the CPSC sets for kids products.

but the part that really messed me up was when they simulated a toddler chewing on the fabric. because you know they do. the lead exposure from just that was over the FDA daily limit for kids. from chewing on a shirt.

and you can’t just wash it out either. the lead researcher said most detergents are phosphate free now so they literally don’t remove lead. even the specialized stuff only partially works.

i went down a rabbit hole on why lead is even in clothes and apparently some manufacturers use lead based compounds as a cheap way to bind dyes to fabric. makes colors pop and last longer. reds blues pinks even gray tested high.

idk i feel like nobody talks about this stuff. we obsess over organic snacks and clean sunscreen but then dress our kids in whatever’s cheapest without a second thought. even though i was working in textiles i still didnt know half of this. it only became a thing for me when my kid was born and i actually started reading more about whats in the fabric not just whats printed on the tag.

if a brand can’t tell you what their fabric has actually been tested for thats all you need to know honestly.

do you guys actually check fabric certifications before buying kids clothes or is that just me being paranoid at this point?

reddit.com
u/Derogater — 23 days ago

Ok so this came out of the american chemical society conference like a week ago and its been bugging me since.

researchers tested 11 kids shirts from different fast fashion retailers. mix of bright and muted colors. every. single. one. was over the 100 ppm lead limit the CPSC sets for kids products.

but the part that really messed me up was when they simulated a toddler chewing on the fabric. because you know they do. the lead exposure from just that was over the FDA daily limit for kids. from chewing on a shirt.

and you can’t just wash it out either. the lead researcher said most detergents are phosphate free now so they literally don’t remove lead. even the specialized stuff only partially works.

i went down a rabbit hole on why lead is even in clothes and apparently some manufacturers use lead based compounds as a cheap way to bind dyes to fabric. makes colors pop and last longer. reds blues pinks even gray tested high.

idk i feel like nobody talks about this stuff. we obsess over organic snacks and clean sunscreen but then dress our kids in whatever’s cheapest without a second thought. even though i was working in textiles i still didnt know half of this. it only became a thing for me when my kid was born and i actually started reading more about whats in the fabric not just whats printed on the tag.

if a brand can’t tell you what their fabric has actually been tested for thats all you need to know honestly.

do you guys actually check fabric certifications before buying kids clothes or is that just me being paranoid at this point?

reddit.com
u/Derogater — 23 days ago

Ok so this came out of the american chemical society conference like a week ago and its been bugging me since.

researchers tested 11 kids shirts from different fast fashion retailers. mix of bright and muted colors. every. single. one. was over the 100 ppm lead limit the CPSC sets for kids products.

but the part that really messed me up was when they simulated a toddler chewing on the fabric. because you know they do. the lead exposure from just that was over the FDA daily limit for kids. from chewing on a shirt.

and you can’t just wash it out either. the lead researcher said most detergents are phosphate free now so they literally don’t remove lead. even the specialized stuff only partially works.

i went down a rabbit hole on why lead is even in clothes and apparently some manufacturers use lead based compounds as a cheap way to bind dyes to fabric. makes colors pop and last longer. reds blues pinks even gray tested high.

idk i feel like nobody talks about this stuff. we obsess over organic snacks and clean sunscreen but then dress our kids in whatever’s cheapest without a second thought. even though i was working in textiles i still didnt know half of this. it only became a thing for me when my kid was born and i actually started reading more about whats in the fabric not just whats printed on the tag.

if a brand can’t tell you what their fabric has actually been tested for thats all you need to know honestly.

do you guys actually check fabric certifications before buying kids clothes or is that just me being paranoid at this point?

reddit.com
u/Derogater — 23 days ago
▲ 539 r/GenZ

My guess is that most of the girls are dating older guys. But I do want to know what you guys think is the real reason.

reddit.com
u/Derogater — 23 days ago