Toxic Chemicals in Sportswear — How to Choose Healthy, Sustainable Yoga & Activewear

Toxic Sportswear? How to Choose Healthy, Sustainable Yoga & Activewear


Today, more people than ever shop for healthy sportswear, sustainable activewear, and non-toxic yoga outfits. But many "performance" clothes contain chemicals that may harm your health and the planet. This article explores:

1 | The most common toxic chemicals in sportswear

2 | How they enter your body

3 | Health risks backed by science

4 | Why conventional activewear is a problem

5 | What to look for when buying truly clean activewear

6 | Why our vegan sportswear is a safer alternative

7 | Care tips to reduce exposure


1. Common Toxic Chemicals in Sportswear 🧪

  • PFAS (forever chemicals)
    Used for water- and stain-resistance. PFAS persist in the body and environment and may disrupt hormones.

  • Phthalates & Plasticizers
    Found in prints, logos, and elastane blends. Known endocrine disruptors linked to reproductive issues.

  • Bisphenols (BPA, BPS)
    Used in synthetic textiles. May leach when exposed to heat or sweat and mimic hormones.

  • Heavy Metals
    Present in dyes and pigments (e.g., lead, chromium). Some are allergenic or carcinogenic.

  • Formaldehyde & VOCs
    Used in anti-wrinkle or shrink-resistant finishes. Can off-gas and irritate skin, eyes, or lungs.

  • Flame Retardants
    Occasionally found in outdoor or specialized gear. Persistent and potentially neurotoxic.

📊 Greenpeace and BUND have documented high levels of these chemicals in sportswear from major brands.


2. How These Chemicals Enter Your Body 💧

  • Through sweat and skin contact
    Sweating increases absorption, especially for substances not tightly bound to fibers.

  • Friction & heat
    Activewear often rubs against the skin during movement, releasing microfibres and chemicals.

  • Inhalation of VOCs
    Volatile substances can evaporate and be inhaled, especially from new clothes.

  • Long-term exposure
    Wearing chemically-treated garments repeatedly increases cumulative exposure.


3. Health Risks of Toxic Sportswear 🧬

  • Hormone disruption
    PFAS, phthalates, and BPA are known endocrine disruptors.

  • Skin irritation & allergies
    Some finishing chemicals and dyes can cause contact dermatitis.

  • Potential cancer risk
    Heavy metals and azo dyes have been linked to cancer in long-term studies.

  • Reproductive harm
    Studies show links between phthalates and fertility issues.

  • Bioaccumulation
    Certain chemicals build up in the body and don’t easily break down.


4. Why Conventional Activewear Is a Problem

  • High-performance finishes often mean more chemicals.

  • Synthetics like polyester and elastane need chemical treatment.

  • Sweat, heat, and friction amplify chemical release.

  • Brands rarely disclose chemical usage.

  • Even recycled fabrics can retain toxins.


5. How to Choose Safe, Sustainable Activewear

Learn more on sustainable labels in our blog LABEL TO KNOW ABOUT


6. Why Our Sportswear Is a Better Choice ♻️


7. Care Tips to Minimize Chemical Exposure 🧺

  • Wash before first wear (cold, gentle detergent)

  • Avoid bleach, softeners, and synthetic fragrance

  • Air dry instead of using heat dryers

  • Don’t stay in sweaty clothes longer than needed

  • Repair instead of discard

  • Use a natural base layer under synthetics if needed


8. Final Thoughts 💚

Toxic chemicals in sportswear are real, especially under heat, sweat, and motion. But you don’t have to compromise your health or ethics. Brands like Wellicious offer safe, certified, toxin-free alternatives that respect your body and the planet.

Make your next yoga outfit a conscious one.