{"id":3961,"date":"2026-03-13T02:46:12","date_gmt":"2026-03-13T02:46:12","guid":{"rendered":"https:\/\/opsociety.org\/theplasticdetox\/?post_type=news&p=3961"},"modified":"2026-03-13T02:47:20","modified_gmt":"2026-03-13T02:47:20","slug":"could-your-activewear-be-releasing-chemicals-into-your-body","status":"publish","type":"news","link":"https:\/\/opsociety.org\/theplasticdetox\/all-news\/could-your-activewear-be-releasing-chemicals-into-your-body\/","title":{"rendered":"Could Your Activewear Be Releasing Chemicals Into Your Body?"},"content":{"rendered":"
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What Happens When You Sweat in Clothing Made of 100% Plastic? <\/h2>\n
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Think about it: the fabric you wear closest to your skin is plastic. And not just any plastic\u2014these are synthetics like polyester, nylon, and spandex. To make that plastic stretchy, breathable, and moisture-wicking, brands add chemicals: flame retardants, per- and polyfluoroalkyl substances (PFAS), phthalates, and other endocrine disruptors.<\/span><\/p>\n

Here\u2019s the part most people don\u2019t realize: these chemicals aren\u2019t locked into the fabric. They\u2019re free to migrate.<\/span><\/p>\n

What happens when you break a sweat? Heat and moisture act like a chemical accelerator. They dissolve and mobilize those additives, sending them straight from your leggings, your sports bra, your workout top, directly into your skin. And your skin is not a barrier\u2014it\u2019s a sponge. Transdermal absorption (yes, that\u2019s the science term) allows these chemicals to bypass digestion and liver filtration and go straight into your bloodstream.<\/span><\/p>\n

And the research backs this up. Multiple studies and reports show that PFAS are commonly present in synthetic textiles, including athletic wear, and that these chemicals <\/span>can migrate into sweat and be absorbed through the skin<\/span><\/i>. (see sources referenced at the bottom of this blog)<\/span><\/p>\n

This isn\u2019t just theory\u2014your intense workout is literally helping these chemicals migrate from fabric into your body.<\/span><\/p>\n

What can you do? Start by reading labels. Look for natural fibers like organic cotton, bamboo, or recycled wool. Avoid fabrics labeled \u201cwaterproof\u201d or \u201cstain-resistant,\u201d because that often signals PFAS treatment. And yes\u2014share this knowledge. Pressure the brands on social media. Spread the word. Every conversation chips away at the idea that \u201cperformance gear\u201d has to come at the cost of our health.<\/span><\/p>\n

Your body is your temple. It deserves clothing that respects it\u2014not chemicals that fight it.<\/span><\/p>\n

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Sources:\u00a0<\/b><\/p>\n