Why I'm Getting Rid of Polyester

Why I'm Getting Rid of Polyester

There is a box in the corner of my bedroom that is slowly filling with clothes I will not wear again — not because they are worn out or out of style or no longer fit, but because they are made of plastic. Polyester, acrylic, nylon, spandex — synthetic fabrics that were sold as practical and affordable and easy-care, and that I wore for years without thinking very much about what they were or what they were doing to my body every time I put them on. I am thinking about it now, and I am choosing differently, and the box is filling up with everything that no longer belongs in a home that is trying, slowly and imperfectly, to become a place where health is not negotiable.

This is not about perfection or purity or achieving some kind of zero-plastic household that exists more as an aspiration than a reality. This is about looking clearly at what the research is saying about synthetic fabrics and microplastics and endocrine disruption, and making the decision that when it comes to what touches my skin for hours every single day, I want to choose materials that my body was designed to live alongside — cotton, linen, wool, silk — rather than materials that were invented in a lab seventy years ago and are now showing up in human blood, in placentas, in breast milk, in places they were never supposed to reach.

What Polyester Is, and What It Does

Polyester is plastic. It is derived from petroleum, the same substance used to make water bottles and food packaging and synthetic car parts, and when it is woven into fabric, it does not stop being plastic — it simply becomes plastic that you wear against your skin all day long. Every time polyester fabric is worn, washed, or stretched, it sheds tiny plastic fibers called microplastics, which are too small to see but are released into the air, into washing machine water, and directly onto the skin. UC Santa Barbara

These microplastics do not stay on the surface. They are small enough to be absorbed through the skin, inhaled into the lungs, and ingested when they settle on food or are transferred from hands to mouth. Research has found microplastics in human blood, lung tissue, liver, and even placental tissue, meaning that plastic particles are now circulating in the human body at levels that were undetectable just a generation ago. National Institute of Health

The health implications of this are still being studied, but what is already clear is deeply concerning. Microplastics carry endocrine-disrupting chemicals — phthalates, BPA, and other additives used in plastic manufacturing — that interfere with the body's hormonal systems. These chemicals have been linked to reduced fertility in both men and women, lower sperm count and quality, disrupted menstrual cycles, early puberty in girls, and increased risks of reproductive cancers. Studies on male fertility specifically have shown that men who wear synthetic underwear have significantly lower sperm counts than men who wear cotton, and that the heat retention and chemical exposure from polyester fabrics directly impacts testicular function. Harvard T.H. Chan School of Public Health

For women, the research is equally troubling. Endocrine-disrupting chemicals found in synthetic fabrics have been associated with polycystic ovary syndrome (PCOS), endometriosis, irregular cycles, and difficulty conceiving. Pregnant women are particularly vulnerable, as microplastics have been found in placental tissue, meaning that exposure to plastic is now beginning before birth. Environmental International Journal

This is not a minor issue. This is not something that affects only people with extreme sensitivities or pre-existing conditions. This is affecting everyone who wears synthetic fabrics regularly, and the accumulation of microplastics in the body is happening quietly, consistently, without most people ever noticing it until the effects show up years later in the form of unexplained infertility, hormonal imbalances, or chronic health conditions that have no clear origin.

What I'm Choosing Instead

The solution is not complicated, though it does require intention and, in some cases, a willingness to spend more money upfront for clothing that will last longer and do less harm. I am replacing synthetic fabrics with natural fibers — cotton, linen, wool, and silk — materials that the human body has lived alongside for thousands of years, that breathe and regulate temperature and break down naturally at the end of their life instead of shedding plastic particles into the environment and into my bloodstream.

Cotton is the foundation. Organic cotton when possible, because conventionally grown cotton is one of the most pesticide-intensive crops in the world, and a body working to stay healthy does not need the additional burden of chemical residue in the fabrics it wears daily. Linen is the summer staple — lightweight, breathable, naturally antimicrobial, and one of the most sustainable fabrics available because it requires significantly less water and pesticides to grow than cotton. Wool for warmth, particularly merino, which regulates temperature beautifully and does not need to be washed as frequently as synthetic fabrics because it naturally resists odor. Silk for undergarments and sleepwear, because it is gentle on the skin and does not trap heat or moisture the way polyester does.

I am starting with the items that touch my skin most directly and for the longest periods of time — underwear, bras, socks, pajamas, and base layers. These are the pieces that matter most, because they are in constant contact with the body, and they are also the pieces most often made from synthetic fabrics because they are expected to stretch and wick moisture and dry quickly. But natural fibers do all of those things too, they just do them without releasing plastic particles into the body in the process.

The Transition

I am not throwing everything away at once. I am making the switch slowly, as items wear out or as I find replacements that work. The polyester workout leggings are being replaced with cotton or merino blend alternatives. The synthetic bras are being replaced with organic cotton or silk options. The acrylic sweaters are being replaced with wool. It is a slow process, and it is not always easy, and it requires research and patience and a willingness to pay more for items that are made from real materials instead of plastic pretending to be fabric.

But every time I put on something made from cotton or linen or wool, I notice the difference. The fabric breathes. It does not cling. It does not trap heat or moisture or odor the way polyester does. It feels like something my body recognizes, something it knows how to live alongside, and that feeling — of being in clothing that does not ask my body to adapt to plastic but instead works with the body as it is — is worth every bit of effort it takes to make the switch.

Why It Matters for a Healing Home

The Healing Home is not just about what goes into the body but about what touches it, what surrounds it, what it is asked to live with day after day. Clothing is not neutral. It is not just decoration or protection from the elements. It is in direct, constant contact with the largest organ of the body — the skin — and the skin absorbs what is placed on it, which means that the fabrics we wear are part of the environment the body is living in, just as much as the air we breathe and the water we drink and the food we eat.

Choosing natural fibers is choosing to create a gentler, cleaner environment for the body to exist in. It is choosing to remove one more source of endocrine disruption, one more source of microplastic exposure, one more thing that the body has to work to process and detoxify and defend against. It is not a cure for anything, and it is not a guarantee of perfect health, but it is one of the most direct and meaningful forms of care available — and it is a choice that can be made, slowly and steadily, one piece of clothing at a time.

So the polyester is going. The box is filling. And the closet is slowly becoming a place where everything that touches my skin is made from something real — cotton and linen and wool and silk, materials the body knows, materials that do not shed plastic into my bloodstream, materials that allow the skin to breathe and the body to rest and the home to be, just a little bit more, the kind of place where health is protected instead of quietly, invisibly eroded.