
Modibodi
#6 of 6 period underwears tested
What the product listing won't tell you
Know before you buy
The low score is about missing evidence, not a known problem. No published PFAS or fluorine test exists for this style, so on a skin-contact garment we could not verify it is clean. That is different from finding it is not, and a single published lab result would change the picture.
You want a soft merino top layer with a described odor-control lining
Modibodi
Modibodi Classic Bikini Period Underwear
Modibodi
Modibodi Classic Bikini Period Underwear
$31.49
We may earn a commission. It doesn't affect our scores.
You are comfortable buying without a published PFAS test for this style
You want fully disclosed materials and an OEKO-TEX Standard 100 certification
You want a published PFAS or fluorine test result before trusting a skin-contact garment
You prefer a brand that posts its own third-party lab results
You want proof of a clean result rather than a certification that does not measure fluorine
Specs the product listing doesn't explain
What your food and family come into contact with every use
Ease of use, maintenance, and longevity
See exactly what's in this period underwear
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3 criteria - open any layer to see exactly what we found
“Does it use forever chemicals, or is it actually tested?”
The scoring rationale is locked
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Criteria
Verified retailer - current pricing
Starting price
$31.49
We earn a small commission on purchases. It never influences our scores - R3 is funded by readers, not brands.
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See how this product stacks up against alternatives

In this Period Underwear showdown, Revol Cares takes the lead with a score of 9.5/10 vs Modibodi's 3.4/10. Revol Cares excels in overall performance, though Modibodi may still be right for specific use cases.

In this Period Underwear showdown, The Period Company takes the lead with a score of 9.4/10 vs Modibodi's 3.4/10. The Period Company excels in overall performance, though Modibodi may still be right for specific use cases.

In this Period Underwear showdown, TomboyX takes the lead with a score of 8.8/10 vs Modibodi's 3.4/10. TomboyX excels in overall performance, though Modibodi may still be right for specific use cases.
The Modibodi Classic Bikini Period Underwear was graded against the same period underwear-specific rubric we apply to every product in this category — no brand-by-brand exceptions, no sponsored placements, no affiliate-weighted scores. The verdict above came from three pillars: safety (materials, certifications, recall history, chemical exposure pathways), efficacy (independent testing data, verified performance specs, real-world usage durability), and usability (ergonomics, cleaning, noise, parts availability over time). Every point deduction has a citation behind it. Every claim links back to a primary source. Nothing is hidden behind opaque badges.
What separates this from a typical period underwear review elsewhere on the web: we don't accept sponsorships, paid placements, or rev-share-weighted rankings. The brand of the Modibodi Classic Bikini Period Underwearcannot pay to move up the list. The score is logic-driven (a weighted formula across safety, efficacy, and usability), not opinion-driven, so an editor's personal preference cannot override the evidence. When two products in this category are within a point of each other, the right tie-breaker is whichever pillar matters most to your household — not whichever one ranks first.
A high safety score on the Modibodi Classic Bikini Period Underweardoesn't automatically mean “buy this.” A period underwearthat's genuinely safe but loses points on efficacy may still be the wrong fit if performance is what you actually need. Conversely, a period underwearthat's usability-strong but safety-flagged probably isn't the right call for a child with a known sensitivity. The score is the start of the decision, not the end.
R3 is not a medical, legal, or financial advisor. This review is general consumer-safety reporting, not personalized health guidance. If a safety concern on this page intersects with a specific allergy, sensitivity, or medical condition in your household, talk to your pediatrician or a board-certified specialist — they can weigh the evidence against your family's situation in a way no review can. We'll update this page when credible new evidence changes the picture (a recall, a new lab certification, a meaningful product redesign); the last-updated date in the byline is the source of truth on how current this analysis is.
#6 of 6 period underwears reviewed
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