Intimina · Menstrual Cups
INTIMINA Lily Cup One, Menstrual Cup, Period Cup, medical-grade silicone
Lower PFAS concern; menstrual cups rarely require fluorinated treatments.
Intimina's Lily Cup One is made from medical-grade silicone, a material class not typically treated with PFAS for its intended use. No PFAS-related claims or independent verification are publicly available, and the brand makes no disclosure.
Shop Intimina on Amazon →Material
Medical-grade silicone (no coating described)
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 Lily Cup One is constructed from medical-grade silicone, a non-porous elastomer that does not degrade into microplastics under normal use and does not leach endocrine disruptors like BPA or phthalates. Medical-grade silicone is inherently more stable than commodity plastics and does not require protective coatings or additives that pose leaching risks. The absence of glazes, enamels, or synthetic dyes means no lead, cadmium, azo dyes, or formaldehyde-release concerns typical of some menstrual products.
The brand's record and disclosure
Intimina is owned by Lelo, a Swedish sexual-wellness company with a history of transparency on material safety; the brand markets its products as body-safe and made from medical-grade silicone but does not publish third-party testing reports or detailed chemical disclosures. No recalls or documented safety violations have been recorded for the Lily Cup One. The company's silence on PFAS is consistent with the low likelihood that menstrual cups require water-repellent or non-stick treatments, though explicit PFAS testing data is not publicly available.
How it compares in its category
Menstrual cups as a category avoid many hazards inherent to disposable pads and tampons (which can contain dioxins, rayon, fragrance sensitizers, and pesticide residues). The Lily Cup One is comparable to other silicone cups like Diva Cup and Saalt in material safety profile, though Intimina does not publish independent testing or certifications (e.g., FDA clearance as a Class II medical device, which some competitors highlight). All silicone cups require similar care regimens to prevent bacterial biofilm and discoloration.
If you buy it
Sterilize the cup by boiling for 5-10 minutes before first use and after each cycle to eliminate bacteria and prevent odor or infection risk. Store dry in a breathable pouch (not sealed plastic) to prevent mold. Replace every 5-10 years or if the material shows persistent staining, tears, or degradation of the rim seal. Do not use with oil-based lubricants; water or silicone-based lubricants are compatible. If you experience irritation or allergic reaction, discontinue use, as silicone sensitivity is rare but documented in some users.
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 biofilm and infection risk
Menstrual cups can harbor Staphylococcus aureus and other pathogens if not sterilized between uses or stored in humid conditions; cases of toxic shock syndrome (TSS) are extremely rare but documented. Proper boiling and dry storage mitigate this risk.
Silicone degradation and microplastics
Medical-grade silicone does not fragment into microplastics under normal vaginal use or heat exposure up to 100C (boiling sterilization). No studies have detected silicone microparticle release from cups during use.
Allergen or irritation response
Silicone is hypoallergenic for most users, but rare cases of contact dermatitis or vaginal irritation have been reported; these may reflect residual processing chemicals rather than silicone itself. Pre-use sterilization reduces this risk.
Leachates from processing or additives
Medical-grade silicone does not leach BPA, phthalates, or other known endocrine disruptors. No third-party testing is public, so residual catalysts or mold-release agents cannot be ruled out entirely, but no adverse effects have been recorded.
Vaginal drying or pH disruption
Unlike some absorbent products, cups do not absorb vaginal fluid; they collect it. No known impact on vaginal microbiome or pH from silicone contact in normal use, though individual variability exists.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 82% 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.