90Excellent

Does Modibodi period underwear have PFAS?

The verdict
Modibodi period underwear averages 90 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Modibodi period underwear products graded as of October 2026, above the 48 out of 100 median for the 21 other period underwear brands graded alongside it.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/modibodi/period-underwear.

Modibodi period underwear averages Excellent on our four-band scale. 4 of the 4 we graded are worth buying.

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.

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Top-graded picks in the categories readers replace first, every one scored on the same rubric.

  • polypropylene filter housing, carbon/sediment cartridge
  • We found no PFAS statement from the brand
  • Bacterial growth in spent cartridges

3 hazards checked on this product, all on its full breakdown.

  • RO membrane, carbon filters, stainless steel housing
  • We found no PFAS statement from the brand
  • Bacterial and microbial growth in housing and filters

4 hazards checked on this product, all on its full breakdown.

Avocado Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

Modibodi period underwear worth buying Good or better, best-graded first

Modibodi Basic Mid-Rise Period Brief

Modibodi

Basic Mid-Rise Period Brief

90ExcellentPFAS grade
  • organic cotton blend with water-resistant coating
  • The brand calls it PFAS-free, which we have not verified
  • Water-resistant coating composition (unspecified chemistry). Modibodi does not publicly name the coating…

4 hazards checked on this product, all on its full breakdown.

Modibodi Basic Full Period Brief

Modibodi

Basic Full Period Brief

90ExcellentPFAS grade
  • Organic cotton, lycra blend with waterproof gusset treatment
  • The brand calls it PFAS-free, which we have not verified
  • Waterproof gusset treatment (unspecified chemistry). Brand claims PFAS-free but does not publicly disclose…
Modibodi Classic Full Period Briefs

Modibodi

Classic Full Period Briefs

90ExcellentPFAS grade
  • Organic cotton blend with unspecified waterproof/absorbent coating
  • The brand calls it PFAS-free, which we have not verified
  • Unidentified waterproof coating chemistry. The brand claims PFAS-free treatment but has not publicly…

2 hazards checked on this product, all on its full breakdown.

Modibodi Basic Mid-Rise Brief Black

Modibodi

Basic Mid-Rise Brief Black

90ExcellentPFAS grade
  • Organic cotton with waterproof leak-proof lining
  • The brand calls it PFAS-free, which we have not verified
  • Waterproof lining degradation and leachables. The unstated composition of the waterproof layer means its…

3 hazards checked on this product, all on its full breakdown.

Better period underwear from other brands

Graded higher than the Modibodi average of 90.

Rubylove First Period Kit +teen Period Underwear

Ruby Love

Rubylove First Period Kit +teen Period Underwear

100ExcellentPFAS grade
✓ MADE SAFE
  • organic cotton, waterproof backing layer
  • A third party reports verifying it as PFAS-free
  • Coating degradation and microparticle shedding

2 hazards checked on this product, all on its full breakdown.

3-Pack BOOST Brief

Lunapads

3-Pack BOOST Brief

100ExcellentPFAS grade
  • organic cotton blend, water-resistant gusset
  • The brand calls it PFAS-free, which we have not verified
  • Microplastic shedding from water-resistant barrier
Super Hipster

Aisle

Super Hipster

100ExcellentPFAS grade
  • Organic cotton, wood pulp fiber
  • The brand calls it PFAS-free, which we have not verified
  • Azo dyes and synthetic dyes

2 hazards checked on this product, all on its full breakdown.

The same question, asked of the other period underwear brands

Best average grade first. Modibodi averages 90.

See every Modibodi product we grade on the Modibodi brand page, or the full period underwear ranking.