We tend to use lingerie and underwear as if they’re the same thing. They’re not. And once you see the difference, you can’t really unsee it.

Underwear is your daily companion. It’s there for school drop-offs, deadlines, dog walks and long days. It works hard, quietly, and ideally without you noticing it at all.

Lingerie is more of a moment. It’s flirtatious. It’s dramatic. It’s designed to be admired, by you or someone else, rather than worn for 14 hours straight.

Problems arise when we ask lingerie to behave like underwear.

A Quick Reality Check on What Lingerie Is Made Of

Most lingerie is made almost entirely from synthetics: polyester, nylon, elastane, foams and meshes. In other words, plastic.

There’s a reason for that. Plastic fibres stretch beautifully, hold their shape, make lace possible, photograph well and cost very little to produce. From a design and marketing perspective, they’re kind of a dream. From a body perspective, less so.

Synthetic fabrics can trap heat and moisture, and they’re often treated with dyes, finishes and additives. Some research has raised concerns about the presence of chemicals like BPA and other endocrine disruptors in certain synthetic textiles, especially recycled or heavily processed ones.

This doesn’t mean your favourite lacy set is out to get you. It just means lingerie was never designed with daily, long-term wear or health in mind.

New Wisteria Bra and Big Knicker - Body 100% organic cotton, elastics - tree rubber and organic cotton, sewing thread - 100% cellulose

The “Sustainable” Underwear Plot Twist

In response, many so-called sustainable underwear brands have moved toward natural fibres, usually organic cotton. Great news, right? Yes, and no.

To get stretch and fit, organic cotton is very often blended with spandex. Spandex is plastic. Once it’s in there, even in small amounts, the garment becomes a mixed material. That means it is neither recyclable nor compostable.

Then there’s elastic. Almost every pair of underwear on the planet, whether eco, ethical or luxury, uses synthetic or so-called biodegradable elastic. It’s cheap, reliable and widely available. Natural rubber combined with organic cotton is much harder to source and much more expensive.

The result is that even underwear that looks natural on the label usually cannot return safely to the earth at the end of its life.

This isn’t about blaming brands. It’s about recognising how deeply plastic is built into the system, even when intentions are good.

So What Is Women’s Underwear Actually For?

If we’re honest, women’s underwear has historically been designed more for how women look than how women feel.

Discomfort has been normalised for generations. Wires digging in. Fabrics that don’t breathe. Elastics that squeeze, pinch and irritate. The assumption that itching, chafing or irritation is just part of being a woman.

But underwear sits on the most sensitive parts of the body for most of the day, every day. If we care about what we eat and what we put on our skin, it’s not radical to care about this too.

Healthy underwear prioritises breathability, gentler materials, fewer chemical treatments and all-day comfort. It’s not boring. It’s just grown up.

Can We Be Healthy and Sexy?

Good news. Yes. We don’t have to live in beige cotton forever.

The trick is to stop asking one garment to do everything.

Everyday underwear should be chosen for long wear and skin health. These are your daily drivers.

Lingerie can be lace, mesh and drama when the mood strikes. Wear it for the evening, the occasion or the confidence boost.

Think of lingerie like red lipstick or high heels. Fabulous. Transformative. Not necessarily an everyday essential.

The Real Shift

This isn’t about fear, purity or never wearing anything fun again. It’s about honesty, choice and balance.

Women deserve to know what their underwear is made of, how it behaves on their bodies and what happens to it when it’s worn out.

Underwear should work with your body.
Lingerie should make you feel something.

When we stop pretending they’re the same thing, we get the best of both worlds.