What Does “Non-Toxic” Actually Mean - And Why It Matters for Your Body

A big part of this conversation comes down to exposure. Biomonitoring research shows that many people already carry measurable levels of environmental chemicals in their bodies from everyday sources like food, air, and consumer products (Centers for Disease Control and Prevention, National Exposure Report).

So when brands talk about “non-toxic,” the goal usually isn’t perfection. It’s a reduction. Less unnecessary exposure where possible. It's often impossible to even have a completely toxic-free product, which is why you may be hearing the term "low-tox" as well.

That idea of reduction is exactly what led to the rise of brands like La Coochie. Not fear-based. Just more thoughtful about what actually touches your body every day.

Why underwear specifically matters more than you think

This isn’t just any category.

Underwear sits against one of the most sensitive and absorbent areas of your body. The skin here is thinner and more reactive than most other areas, which means it’s more prone to irritation and interaction with external substances.

And you’re wearing it all day.

That combination is why material and chemical exposure actually matters here more than, say, a jacket or a handbag.

It’s also why more women are starting to rethink something as basic as their underwear drawer.

Shop low-tox organic cotton underwear.

What’s actually in conventional underwear

Most underwear today is made from synthetic fabrics like polyester, nylon, and elastane.

These materials are popular because they’re stretchy and durable. But they’re also petroleum-based and often processed with additional chemicals during manufacturing.

Testing and environmental research have identified substances such as bisphenols, phthalates, and PFAS in some textile products, many of which have been studied for their potential to interfere with endocrine systems or cause irritation in sensitive individuals (World Health Organization, Endocrine Disruptors Overview).

And here’s the part people don’t always realize.

Those chemicals don’t just stay in the fabric.

Research has shown that certain compounds can migrate from clothing to skin, especially with heat, friction, or sweat (American Chemical Society, Environmental Science & Technology study on dermal exposure).

Which means your underwear isn’t just sitting there. It’s interacting with your body all day long.

Real data on what’s been found in underwear

This is where things get more specific.

A recent study analyzing women’s underwear found bisphenols such as BPA, BPF, and BPS in a significant percentage of samples, with measurable migration rates when exposed to simulated sweat (ScienceDirect, 2025 textile chemical exposure study).

Separate testing across Europe found that approximately one in three underwear products contained detectable levels of bisphenols, which are classified as endocrine-disrupting chemicals (Chem Trust, Underwear Testing Report).

Again, this doesn’t mean immediate harm. But it does confirm that exposure from clothing is real and measurable.

And for a product you wear every single day, that’s worth paying attention to.

Let’s talk about endocrine disruptors in a normal way

Endocrine disruptors are chemicals that can interfere with your body’s hormone system.

Hormones regulate everything from metabolism to mood to reproductive health. So even small disruptions over time can matter.

Research shows that compounds like phthalates and bisphenols can mimic or interfere with natural hormones like estrogen, which may influence how the body regulates key systems (Endocrine Society, Endocrine-Disrupting Chemicals; National Institutes of Health, Phthalates and Human Health review).

This is still an evolving area of research. But the general consensus is that repeated, long-term exposure is the source of concern.

It’s not about one product. It’s about cumulative exposure.

Which is why switching small, everyday items - like your underwear - can actually be one of the easiest places to start.

Clothing itself can contribute to exposure

One of the more interesting findings in this space is that clothing isn’t just neutral.

A study published in Environmental Science & Technology found measurable levels of phthalates on skin in areas covered by clothing, suggesting that garments themselves can act as a source of exposure (American Chemical Society, Dermal Exposure Study).

And since underwear sits closest to the body, it plays a bigger role than most other garments.

So if there’s one place to be intentional, it’s here.

Why fabric choice actually makes a difference

This is where things get practical.

Natural fibers like cotton tend to involve fewer synthetic chemicals during production, especially when certified organic.

There’s also a comfort factor. Breathability matters more than people think.

Medical guidance often recommends cotton underwear because it helps support airflow and a more balanced environment, which can reduce moisture buildup and irritation (American College of Obstetricians and Gynecologists, Vulvar Care Guidance).

This is exactly why La Coochie focuses on GOTS-certified organic cotton. Not just for the “clean” label, but because it actually supports how your body feels day to day.

Synthetic fabrics, on the other hand, tend to trap heat and moisture, which can contribute to discomfort over time.

Organic cotton vs conventional cotton

Even within cotton, there’s a difference.

Conventional cotton is one of the most chemically treated crops in the world. Organic cotton avoids synthetic pesticides and fertilizers, which helps reduce chemical exposure at the source (Textile Exchange, Organic Cotton Report).

That’s part of why La Coochie prioritizes certified organic cotton alongside OEKO-TEX certified components. It’s not about being perfect. It’s about being more thoughtful at every step, from fabric to finishes.

What “non-toxic” helps support your body

Let’s keep this grounded.

Switching to non-toxic underwear won't change your life overnight.

But it can help support:

Better daily comfort
Less irritation for sensitive skin
Reduced exposure to certain chemicals over time
A more breathable, balanced environment

And when you zoom out, those small choices add up.

Especially when it’s something you wear every single day.

Here’s the part most people miss.

It’s not about one product being “bad.” It’s about how everything adds up.

You’re exposed to small amounts of chemicals from multiple sources daily. Clothing, skincare, food packaging, and air.

And research shows that many endocrine-disrupting chemicals are present at low levels across everyday environments, reinforcing the idea that long-term exposure is cumulative (World Health Organization, Endocrine Disruptors Overview).

So when people choose non-toxic options, they’re usually thinking long-term.

Not elimination. Reduction.

And that’s exactly the philosophy behind La Coochie. Not perfection. Just better, everyday choices that feel good on your body.

What to actually look for when shopping

If you want to make a shift without overthinking it:

Look for natural fibers like organic cotton
Choose products with certifications like GOTS or OEKO-TEX
Be mindful of heavily treated synthetic blends
Pay attention to how your body feels

Or, start with the one thing you wear closest to your body every day and swap that first.

“Non-toxic” isn’t a perfect term. But it reflects something real.

There is growing research around how everyday materials interact with our bodies. And clothing, especially underwear, is part of that conversation.

You don’t need to overhaul everything overnight.

But choosing better materials where it’s easy to do so - like your underwear - is one of the simplest ways to support your body over time.

And once you feel the difference, it’s hard to go back.

Shop clean, low-tox options like organic cotton underwear.

References

• Centers for Disease Control and Prevention. Fourth National Report on Human Exposure to Environmental Chemicals.
  https://www.cdc.gov/exposurereport/
• World Health Organization. Endocrine Disruptors Overview.
  https://www.who.int/news-room/fact-sheets/detail/endocrine-disruptors
• American Chemical Society. Dermal Exposure to Chemicals in Clothing. Published in Environmental Science & Technology.
  https://pubs.acs.org/journal/esthag
• ScienceDirect. Bisphenols in textiles and dermal exposure under simulated sweat conditions. (2025 study)
  https://www.sciencedirect.com/
• Chem Trust. Underwear Testing Report: Bisphenols in Clothing.
  https://chemtrust.org/
• Endocrine Society. Endocrine-Disrupting Chemicals (EDCs) Scientific Statement.
  https://www.endocrine.org/topics/edc
• National Institutes of Health. Phthalates and Human Health Review.
  https://www.nih.gov/
• American College of Obstetricians and Gynecologists. Vulvar Care Guidance.
  https://www.acog.org/womens-health
• Textile Exchange. Organic Cotton Market Report.
  https://textileexchange.org/