Cora Review, Is Cora Non-Toxic?
Across 7 graded products, Cora averages Good (70/100). On disclosure, the brand says nothing publicly about PFAS. 7 of its products grade Good or better. Grades are model-based estimates, not lab results.
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.
Worth buying from Cora Good or better, best-graded first
Cora
Organic Tampons
Pesticide residue
Organic certification restricts synthetic pesticides in cotton growing, but trace…
No coating of concern recorded, and no PFAS statement from the brand.
⚠Starting grade for this product type
Cora
Organic Cotton Ultra Thin Liners
organic cotton, adhesive/binding unspecified
Adhesive composition undisclosed
Cora does not publicly specify the adhesive chemistry binding cotton to backing.…
Synthetic backing material (unspecified)
The liner backing is likely a polyethylene or polypropylene film, neither of which poses…
Organic cotton core suggests lower concern; adhesive composition undisclosed.
⚠Starting grade for this product type
Cora
100% Organic Cotton Topsheet Period Liners
100% organic cotton topsheet
Undisclosed core and backing materials
Product labeling specifies only the topsheet as organic cotton; the absorbent core and…
Super-absorbent polymer (SAP) microparticulate or leachate
If the core contains SAP (common in absorbent products), microparticle shedding or…
Lower concern. Organic cotton topsheet is not a material linked to PFAS.
⚠Starting grade for this product type
Cora
Organic Top Sheet Thong Regular Ultra Thin Panty Liners
organic cotton top sheet, cellulose core
Formaldehyde / VOCs
Organic cotton still undergoes scouring and finishing; unless Cora discloses…
Chlorine bleaching byproducts in cellulose
If the cellulose core is chlorine-bleached (common practice), trace dioxins or…
Adhesive leachables (acrylates, plasticizers)
The adhesive layer bonding the liner to undergarments is not disclosed. Acrylate-based…
Organic cotton panty liners carry lower PFAS concern than synthetic alternatives.
⚠Starting grade for this product type
Cora
Organic Applicator Free Regular Tampons
organic cotton, rayon cellulose
Rayon manufacturing solvent residues (carbon disulfide, NaOH)
Rayon production uses caustic and volatile solvents; finished rayon fibers retain minimal…
Vaginal irritation or allergic contact dermatitis
Individual sensitivity to cotton or rayon fibers is uncommon but documented. Cora's…
Toxic shock syndrome (TSS) risk from extended wear
TSS is a rare but serious infection associated with prolonged tampon use, not material…
Lower concern. Organic tampons use inherently PFAS-free materials.
⚠Starting grade for this product type
Cora
Organic Cotton Tampons
Organic cotton
Bleaching residues (chlorine compounds)
Organic cotton tampons may still undergo some bleaching for whiteness and hygiene; if…
Applicator material leachables (if plastic)
Some Cora variants use plastic applicators; if polypropylene or polyethylene, leaching…
Toxic Shock Syndrome (bacterial endotoxin risk)
TSS is a recognized risk for all tampons, including organic cotton, if left in place…
Lower PFAS concern; organic cotton inherently resists forever chemicals.
⚠Starting grade for this product type
Cora
Organic Cotton Tampons with Applicator
Organic cotton, cardboard applicator
Chlorine/dioxin residues from bleaching
No independent testing on record for this product. Organic cotton does not eliminate…
Vaginal tissue irritation and allergic contact dermatitis
Any tampon material can cause irritation; organic cotton does not eliminate this risk.…
Cardboard applicator fragmentation and micro-abrasion
Cardboard applicators are softer than plastic but can splinter or shed fibers if…
Lead
Organic certification reduces pesticide residues but does not guarantee soil-heavy-metal…
Lower concern, organic cotton product, no known PFAS risk.
⚠Starting grade for this product type
Cora and PFAS, common questions
- Does Cora have PFAS?
- We graded 7 Cora products, averaging Good (70/100). 7 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Cora non-toxic?
- Cora Organic Tampons is the highest-graded Cora product we have scored, at 70/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Cora products are lower concern for PFAS?
- The highest-graded Cora products we have scored are Cora Organic Tampons, Cora Organic Cotton Ultra Thin Liners, Cora 100% Organic Cotton Topsheet Period Liners. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →