Iyengar Yoga Review, Is Iyengar Yoga Non-Toxic?
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Across 4 graded products, Iyengar Yoga averages Excellent (75/100). On disclosure, the brand says nothing publicly about PFAS. 4 of its products grade Good or better. Grades are model-based estimates, not lab results.
Worth buying from Iyengar Yoga Good or better, safest first
Iyengar Yoga
All in Motion Yoga Mat Rubber
Rubber (likely natural or synthetic rubber)
Natural rubber latex allergen (if natural rubber composition)
Natural rubber mats may contain residual latex proteins triggering allergic contact…
Microplastic shedding from surface degradation
Rubber mats can crack or peel over years of use, especially under UV exposure or heat…
Lower concern; rubber mats rarely need PFAS.
⚠Risky category by default
Iyengar Yoga
Premium Yoga Cork Mat 5mm Thick Natural Tree Rubber Base and Bigger Mat for Extra Support
natural tree rubber, cork surface
Microbial growth (mold, mildew)
Natural rubber and cork are organic, porous materials that can support fungal growth if…
Latex protein allergenicity
Natural rubber contains latex proteins that can trigger contact dermatitis or respiratory…
Cork dust inhalation (minor)
Cork surface can shed fine particles with heavy use or if worn. Inhaling cork dust is not…
Lower PFAS concern. Natural rubber and cork are inherently PFAS-free materials.
⚠Risky category by default
Iyengar Yoga
Iyengar Sticky Yoga Mat 3mm & 4.5mm With Mat Carry Strap - Blue - 3mm
PVC or natural rubber base, adhesive grip surface
Formaldehyde / VOCs
PVC mats commonly emit VOCs when new or exposed to heat; indoor use without ventilation…
Bacterial and mold growth in grip surface
The textured adhesive layer can trap moisture and sweat, creating conditions for…
Surface degradation and microfiber/particle release
Over extended use, the grip layer can flake, shed, or break down, potentially releasing…
Yoga mats typically lower PFAS risk; no red flags identified.
⚠Risky category by default
Iyengar Yoga
Manduka X Yoga Mat
PVC-free polyurethane/natural rubber blend
VOC off-gassing (polyurethane)
PU foams and coatings can release volatile organic compounds during manufacturing and…
Degradation and microparticle shedding
Rubber and polyurethane surfaces can degrade over years, shedding microscopic particles…
Lower concern yoga mat; no PFAS signals but no verification either.
⚠Risky category by default
Every grade uses the same public rubric. How grades work →