The Dirty Secret of Sustainable Fashion: It’s Still Plastic

Americans are starting to question the chemicals in their food, water and personal care products.

But one category remains strangely absent from the conversation.

Clothing.

More than half of all textiles produced on Earth today are made from polyester. In other words, the majority of garments hanging in our closets are made from plastic.

Polyester, nylon and acrylic are petroleum-based synthetic fibers. They are engineered plastics refined from oil and turned into thread.

For thousands of years clothing came from plants and animals. In less than a century the fashion industry replaced those natural systems with petroleum.

Now we are beginning to see the consequences.

The Microplastic Problem

Every time synthetic garments are washed they shed microscopic fibers.

These fibers pass through wastewater systems and enter rivers, lakes and oceans. Scientists now consider synthetic textiles one of the largest sources of microplastic pollution.

Microplastics have already been found in human blood, lungs and even placentas.

In other words, the plastic fibers that shed from our clothing do not disappear. They circulate through the environment and eventually return to us.

The Recycled Fashion Myth

In response to growing environmental criticism, many brands now promote clothing made from “recycled polyester.”

Most of these fabrics are created by melting down plastic bottles and spinning them into thread.

But this process does not eliminate the problem.

Recycled polyester is still plastic. It still sheds microfibers. And recycling plastic repeatedly often degrades the material, meaning many products are eventually downcycled into lower-grade materials before ending up in landfills.

Marketing plastic clothing as sustainable does not change the underlying chemistry.

It simply changes the label.

The Hidden Chemical System in Clothing

Synthetic textiles rarely exist on their own. They are typically treated with a variety of finishing chemicals that provide wrinkle resistance, stain protection, waterproofing or flame retardancy.

These finishing systems can include substances such as formaldehyde resins and PFAS coatings, chemicals increasingly scrutinized for their environmental persistence and potential health impacts.

The fabrics we wear sit directly against our skin for hours every day, yet few consumers have any idea what chemical systems may be present in their clothing.

Across food, agriculture and consumer products Americans are beginning to question industrial chemical exposure. The Make America Healthy Again movement reflects a growing cultural shift toward understanding how everyday products affect long-term health.

Clothing should be part of that conversation.

If we care about what goes into our bodies, we should also care about what sits on our skin all day.

Regulators Are Starting to Pay Attention

While the United States has only begun exploring these issues, regulators in Europe are moving faster.

The European Commission launched the EU Strategy for Sustainable and Circular Textiles to address textile waste, greenwashing and the environmental impact of clothing production.

The strategy focuses on improving material transparency, reducing waste and pushing the industry toward longer product lifecycles.

In other words, the era of unlimited disposable clothing may be coming to an end.

Designers and brands who begin rethinking materials now will be far better prepared than those who wait for regulations to force the issue.

The Vegan Leather Misconception

Another widespread misunderstanding in sustainable fashion is the idea that “vegan leather” is automatically environmentally friendly.

Most vegan leather products today are made from plastic.

Materials such as PVC and polyurethane are applied as coatings to fabric backings to create leather-like textures.

Replacing animal leather with plastic does not solve the environmental problem. It simply substitutes one material system for another.

A more promising direction is emerging from bio-based materials grown from plants and fungi rather than petroleum.

Examples include innovations such as Piñatex made from pineapple leaves and Mycelium leather grown from mushroom root structures.

Agricultural fibers are also gaining attention. Materials like Banana fiber textile can transform agricultural waste into durable textiles.

These materials are still evolving, but they represent a fundamentally different philosophy.

Instead of building clothing from oil, they build it from living systems.

Where Designers Can Start

The most important shift in sustainable fashion does not happen at the retail brand level.

It happens at the material sourcing level.

Designers who want to reduce reliance on petroleum-based textiles can begin by exploring natural fibers such as hemp, linen, organic cotton and wool.

Several mills and suppliers across North America are working to rebuild textile infrastructure around natural fibers rather than synthetic plastics.

Examples include companies such as Parkdale Mills, Vidalia Mills and Hemp Fortex which produce yarns and fabrics used in natural fiber textiles.

Domestic sourcing also offers a practical advantage for American designers by reducing shipping complexity and avoiding many of the tariffs associated with imported fabrics.

A Different Future for Clothing

For thousands of years textiles were part of biological cycles.

Plants grew into fiber. Fiber became clothing. When garments reached the end of their life they returned to the earth.

The modern fashion industry replaced that system with petroleum in less than a century.

Plastic clothing may have solved manufacturing efficiency problems, but it created new environmental and health questions that the industry is only beginning to confront.

The real future of sustainable fashion will not come from recycling plastic into more clothing.

It will come from rebuilding textile systems around materials that grow from the earth instead of being refined from oil.

Designers interested in developing collections using natural fiber textiles can apply for design development support through the House Of Vincenza intake form.

Because the future of fashion will be decided long before a garment reaches the runway.

It will be decided when the first material is chosen.

Gina Vincenza Van Epps

Emmy Award Winning Celebrity Seamstress

Founder, House Of Vincenza - Design Development and Production Solutions

Founder, Vault Development Studio

President and Founder, Orlando Fashion District