Compare Period Underwear
The Period Company The High Waisted Period Underwear scores higher on safety - here's why.
R3 scored the The Period Company The High Waisted Period Underwear 9.4/10 and the Modibodi Classic Bikini Period Underwear 3.4/10 on the same period underwear scoring system, weighing safety, efficacy, and usability. The The Period Company The High Waisted Period Underwear comes out ahead, led by its safety score (9.3/10 vs 3.2/10).
The most important dimensions, side by side.
See which one actually scores higher — and why
Free account unlocks full safety scores, spec-by-spec breakdown, and the R3 verdict on The Period Company The High Waisted Period Underwear vs Modibodi Classic Bikini Period Underwear.
Unlock the full The Period Company The High Waisted Period Underwear vs Modibodi Classic Bikini Period Underwear breakdown
Free account unlocks all safety scores, complete spec comparison, scoring rationale, and the R3 verdict on which one to buy.
Everything you need to make the call - who each one is for, and who should skip it.
Go for it if you...
You want verified PFAS-free protection at a budget price
You want an organic cotton skin-contact layer you can read on the label
You need heavy-day or overnight absorbency from one pair
You care more about a published lab result than a certification logo
You want a soft merino top layer with a described odor-control lining
You are comfortable buying without a published PFAS test for this style
You want fully disclosed materials and an OEKO-TEX Standard 100 certification
The main thing to know
For around fourteen dollars a pair this is the budget standout, and the main thing to know is that the fabric carries no standalone textile certificate even though the brand publishes its third-party PFAS results.
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.
Skip this if you...
You specifically want an OEKO-TEX or GOTS certified fabric
You prefer an all-natural absorbent core rather than a polyester one
You want a wider range of cuts than this single high-waisted style
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
Neither of these quite what you're looking for?
I've reviewed all Period Underwear options at every price pointEvery Period Underwear in our database is scored using R3's deterministic scoring system - the same inputs always produce the same score. For this comparison, we evaluated The Period Company and Modibodi across 3 independent criteria: Safety (95%), Efficacy (4%), Usability (1%). No sponsored rankings. No paid placements.
Straight answers - no sponsored content, no filler.
I'd start with The Period Company The Period Company The High Waisted Period Underwear - it scored 9.4/10 overall in our scoring system. Safety is our top-weighted scoring pillar, followed by efficacy, and usability. Check which pillar matters most to your family and compare those specific scores.
R3 uses a deterministic scoring system - the same inputs always produce the same score. We evaluate each Period Underwear across Safety, Efficacy, Usability using independently verified data. No sponsored rankings. No paid placements. Every score is fully reproducible.
Not necessarily. The overall score reflects how we weight those three pillars, but your priorities may differ. If you care most about safety, compare the safety scores directly. If budget drives your decision, the prices tell a clearer story. The "right" pick is the one that matches what matters most to your family.
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