Greener Closet
Back to Blog

A Guide to the Best Non Toxic Clothing Brands

By Greener Closet
A Guide to the Best Non Toxic Clothing Brands

Non-toxic clothing is about reducing your daily exposure to chemicals from the fabrics touching your skin. The focus is health-first, particularly for high-contact items like underwear, activewear, and baby clothes. Since there is no single "good" or "bad" material, context matters. An informed decision reduces your body’s chemical load from dyes, finishes, and fibers.

What People Commonly Assume

It’s reasonable to see a “100% Cotton” tag and think it’s inherently safe. If a fabric comes from a plant, how could it be a health concern? This assumption overlooks the industrial journey from field to finished garment. The fiber itself is just the start. What touches your skin is the sum of every step: growing, processing, dyeing, and finishing.

The Health Tradeoffs in Your Closet

Every garment represents a series of tradeoffs. There’s no perfect fabric—only what’s best for a specific situation. This forces us to weigh a clothing’s performance against potential chemical exposure.

Flowchart illustrating clothing tradeoffs, comparing activewear, natural fibers, and cotton production impacts.

Think about the underwear you wear all day. A pair made of conventional cotton breathes well but might carry residues from azo dyes, some of which can break down into carcinogenic compounds. This is a shocking reality for a product we wear against our most sensitive skin.

Here are some common tradeoffs to consider:

  • Performance vs. Purity: A synthetic workout shirt wicks sweat effectively. The tradeoff is that it might be treated with PFAS (per- and polyfluoroalkyl substances) for water resistance and will shed microplastics in the wash. Your body heat and sweat can also accelerate the transfer of chemicals from the fabric to your skin.

  • Color vs. Chemicals: You can avoid most chemical risks by choosing undyed natural fibers like raw linen. The compromise is functional and aesthetic. You miss out on vibrant color options and performance features like stretch, and the fabric may feel rougher initially. This is where the tradeoff becomes less obvious.

  • Synthetics vs. Microplastics: A standard polyester fleece jacket is a major source of microplastic pollution with every wash. A tightly woven wool jacket avoids that issue but comes with different care requirements and a higher cost.

What to Look For on Labels

Learning to decode labels is the most important skill for finding safer clothes. Forget marketing terms like “eco-friendly” or “green”—they are unregulated. You are looking for specific, third-party certifications.

A magnifying glass highlights various textile certifications like GOTS, OEKO-TEX, Bluesign, and harmful substances.

Key Certifications

Certifications are not all equal. Some focus on the farm, others the factory, and some the final product.

  • GOTS (Global Organic Textile Standard): This is the leading standard for organic fibers. It doesn’t just mean the fiber was grown organically; it also restricts harmful chemicals like specific azo dyes and formaldehyde during every production step. A GOTS-certified garment offers high assurance of purity.

  • OEKO-TEX Standard 100: This label certifies that the final product has been tested and found free from a list of harmful substances. It does not mean the fibers are organic, but it confirms the finished garment is safer to have against your skin. It is a useful safety check, especially for synthetics.

  • Bluesign: Think of Bluesign as a supply chain auditor. It vets everything from chemical inputs to water and energy use. A Bluesign-approved fabric was made with responsible processes, signaling a lower chemical footprint.

Red Flag Terms

Certain performance claims are clues to chemical treatments. The quiet use of PFAS for features like stain-resistance is one of the most significant hidden health risks in modern apparel.

Keep an eye out for this language:

  • Stain-resistant or water-repellent: These features often rely on PFAS coatings. While brands are slowly shifting, they remain common. Our guide on how to avoid PFAS in clothing explains more.

  • Wrinkle-free or no-iron: This convenience usually comes from a formaldehyde resin finish. Formaldehyde is a known carcinogen and skin irritant—a major tradeoff to avoid ironing.

  • Antibacterial or anti-odor: These functions may come from treatments with silver nanoparticles or other biocides. The long-term health effects of wearing fabrics embedded with these agents are not fully understood.

Key Takeaways

  • "Natural" is not enough. A "100% Cotton" label says little about the dyes, finishes, and treatments used. The process matters more than the plant.
  • Trust certifications, not claims. Look for GOTS or OEKO-TEX Standard 100. These are your proof of testing.
  • Prioritize by skin contact. Start with underwear, pajamas, and activewear. Swapping these items first provides the greatest reduction in exposure.
  • Exposure depends on use. A rain jacket worn occasionally has a different risk profile than a baby’s onesie worn 24/7.
  • Transparency is the best indicator. A brand’s willingness to detail its materials, dyeing processes, and certifications is the most reliable sign of its commitment to safer products.

Limitations and Uncertainty

Finding perfectly "pure" clothing is not a realistic goal. Retailer disclosures are often incomplete, and without our own lab testing, we must rely on brand reporting. Furthermore, the science on textile chemicals is still evolving. The aim is to make a series of informed choices that reduce your cumulative exposure over time.

View all the products at Greener Closet that have already been scored