What the product listing won't tell you
Know before you buy
It uses elemental chlorine free processing rather than fully chlorine free, and we did not find a named third-party organic certification.
You want 100% organic cotton with no detectable PFAS
o.b.
o.b. Organic 100% Organic Cotton Tampons, Regular
o.b.
o.b. Organic 100% Organic Cotton Tampons, Regular
$6.99
We may earn a commission. It doesn't affect our scores.
You like the option of a slim plant based applicator
You react to fragrance
You want a trusted drugstore brand going cleaner
You want fully chlorine free processing
You want a named GOTS certification
You need a full absorbency range
Specs the product listing doesn't explain
What your food and family come into contact with every use
Ease of use, maintenance, and longevity
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“Is 'elemental chlorine free' actually safe, or just marketing language?”
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Safety standards and ingredients related to o.b. Organic 100% Organic Cotton Tampons, Regular
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Already have an account? Sign inCommon questions about the o.b. Organic 100% Organic Cotton Tampons, Regular
See how this product stacks up against alternatives
In this Tampons showdown, Lola takes the lead with a score of 10.0/10 vs o.b.'s 8.2/10. Lola excels in overall performance, though o.b. may still be right for specific use cases.
In this Tampons showdown, Natracare takes the lead with a score of 9.2/10 vs o.b.'s 8.2/10. Natracare excels in overall performance, though o.b. may still be right for specific use cases.
In this Tampons showdown, Seventh Generation takes the lead with a score of 9.2/10 vs o.b.'s 8.2/10. Seventh Generation excels in overall performance, though o.b. may still be right for specific use cases.
In this Tampons showdown, The Honey Pot Company takes the lead with a score of 8.6/10 vs o.b.'s 8.2/10. The Honey Pot Company excels in overall performance, though o.b. may still be right for specific use cases.
The o.b. Organic 100% Organic Cotton Tampons, Regular was graded against the same tampons-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 tampons review elsewhere on the web: we don't accept sponsorships, paid placements, or rev-share-weighted rankings. The brand of the o.b. Organic 100% Organic Cotton Tampons, Regularcannot 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 o.b. Organic 100% Organic Cotton Tampons, Regulardoesn't automatically mean “buy this.” A tamponsthat's genuinely safe but loses points on efficacy may still be the wrong fit if performance is what you actually need. Conversely, a tamponsthat'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 13 tamponss reviewed
Did the o.b. Organic 100% Organic Cotton Tampons, Regular pass our safety screen?
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“Will Regular and Super really handle every part of her cycle?”
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Criteria
“Is the plant-based applicator as easy to use as plastic?”
The scoring rationale is locked
Free account unlocks exactly why this product scored the way it did.
Criteria