56Good

Does Ruby Love period underwear have PFAS?

The verdict
Ruby Love period underwear averages 56 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Ruby Love 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/ruby-love/period-underwear.

Ruby Love period underwear averages Good on our four-band scale. 1 of the 4 we graded is worth buying. That is above 71% of the period underwear brands we grade.

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.

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

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. The waterproof backing layer will degrade over time with…

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

Which Ruby Love period underwear contains PFAS? Poor and Bad, we’d swap these

  • organic cotton with water-resistant treatment
  • The brand calls it PFAS-free, which we have not verified
  • Undisclosed water-resistant coating chemistry. The product uses an unstated water-repellent treatment. While…

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

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  • Cotton/nylon blend with waterproof coating
  • The brand calls it PFAS-free, which we have not verified
  • Waterproof coating degradation and leaching. The coating chemistry is not disclosed by Ruby Love.…

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

Find an alternative on Amazon
Ruby Love Teen Period Underwear Hipster

Ruby Love

Teen Period Underwear Hipster

25PoorPFAS grade
  • Nylon/spandex blend with waterproof coating
  • We found no PFAS statement from the brand
  • Undisclosed waterproof coating chemistry. The brand has not revealed whether the coating contains PFAS, other…

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

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Better period underwear from other brands

Graded higher than the Ruby Love average of 56.

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.

Aisle Period Underwear Hipster

Aisle

Period Underwear Hipster

100ExcellentPFAS grade
  • organic cotton, bamboo, gusseted absorbent layers
  • The brand calls it PFAS-free, which we have not verified
  • Formaldehyde / VOCs

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

The same question, asked of the other period underwear brands

Best average grade first. Ruby Love averages 56.

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