FemmyCycle · Menstrual Cups
Feminy Menstrual Cup large
Lower concern: silicone menstrual cups are not typical PFAS vectors, but no public disclosure from brand.
Feminy/FemmyCycle menstrual cups are made from medical-grade silicone, a material not typically associated with PFAS exposure in this product category. Menstrual cups do not require water-resistance coatings, nonstick surfaces, or stain treatments that commonly harbor PFAS.
Shop FemmyCycle on Amazon →Material
medical-grade silicone
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
period care is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
The Feminy cup is constructed from medical-grade silicone, a synthetic polymer selected for menstrual products because it resists degradation, does not leach estrogen-disrupting compounds like BPA, and tolerates repeated heating during sterilization. Medical-grade silicone is inert under normal body-temperature conditions and vaginal pH; it does not break down into microplastics during typical use or cleaning. Unlike latex alternatives, silicone avoids latex protein allergens. The material's stability means chemical migration into menstrual fluid is not a documented concern in this product class.
The brand's record and disclosure
FemmyCycle maintains minimal public safety documentation; the company does not publish third-party testing results, material certifications (e.g., FDA clearance letter or ISO 10993 biocompatibility data), or PFAS/chemical disclosure statements. No product recalls, adverse event reports, or regulatory warnings are on public record for this brand. The silence on PFAS and material sourcing is typical of smaller menstrual-product makers but reflects a market-wide transparency gap rather than a known safety failure.
How it compares in its category
Silicone menstrual cups (Feminy, Diva, Saalt, Flex) occupy the safest tier of period products because they avoid the absorbent-material hazards present in tampons and pads (bleach residues, dioxin) and the applicator plastics found in some competitors. Medical-grade silicone is the industry standard for reusable cups. Feminy's large size and firmness are typical features; differences between brands are ergonomic, not chemical. Competitors with explicit FDA clearance or published biocompatibility testing offer greater assurance, but absence of these does not indicate a material difference in safety for silicone itself.
If you buy it
Boil the cup before first use and between cycles to prevent bacterial colonization in the stem and rim crevices where menstrual fluid can accumulate. Clean with hot water and unscented soap after each use; avoid oil-based lubricants that may degrade silicone over time, and do not store in direct sunlight, which can photodegrade silicone. Replace the cup if you notice visible cracks, permanent discoloration, sticky texture, or odor that does not resolve with boiling. Store dry in a cloth pouch; do not seal in plastic bags damp, as anaerobic conditions may promote mold.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Bacterial growth (maintenance-dependent)
Menstrual cups can harbor pathogenic bacteria (Staphylococcus aureus, E. coli) if not boiled regularly or if left in moist conditions; silicone material itself is inert, but poor hygiene protocol is a documented risk. This is user-dependent, not a material defect.
Silicone degradation and microparticulate release
Medical-grade silicone does not fragment into microplastics under normal vaginal pH and body temperature. No published studies report particulate shedding from silicone menstrual cups during typical use, though extreme heat (autoclaving above manufacturer specs) or contact with harsh solvents could theoretically accelerate aging.
Allergen sensitization (silicone)
Silicone hypersensitivity is extremely rare in medical devices; case reports exist in breast implants (likely from additives or surface coatings, not silicone itself) but not in menstrual cups. FemmyCycle does not disclose additives or cure agents, making a full assessment difficult, but the material is generally non-allergenic.
Heavy metals or contaminants in silicone (manufacturing origin)
Medical-grade silicone sourcing and manufacturing standards vary by supplier; Feminy brand does not publish supplier audits, third-party material testing, or trace-metal analysis. Reputable manufacturers test for lead, cadmium, and arsenic per ISO 10993-3, but FemmyCycle's silence means this assurance is absent from public record.
Vaginal irritation or inflammatory response (material compatibility)
Silicone menstrual cups have a long safety history with no widespread pattern of irritation or systemic absorption issues. Individual sensitivity to additives (e.g., colorants, cure accelerators) is theoretically possible but undocumented for Feminy in particular.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Menstrual Cups
Aisle
DIVA Cup Model 2
Medical-grade silicone (body); no Teflon-type coating or Teflon-family coating coatings
Lower-concern menstrual cup; silicone construction and PFAS-free commitment make it a reasonable choice.
✓Verified PFAS-free by a third party
Ruby Cup
Steriliser
Stainless steel heating chamber with silicone/plastic components
Lower-concern menstrual cup sterilizer; stainless core typical for appliances, but silicone/plastic parts unspecified, contact brand for material detail.
⚠Risky category by default
Ruby Cup
Steriliser Purple
stainless steel steriliser/heating element
Lower PFAS concern; no high-risk coatings typical of this product category.
⚠Risky category by default
More menstrual cups grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.