Helix · Mattresses
Helix Brooklyn Bedding Midnight Luxe Mattress
Lower PFAS concern likely, but Helix provides no transparency, request materials spec before buying.
The Helix Brooklyn Midnight Luxe uses standard polyurethane foam and fabric cover typical of mainstream mattresses; these materials carry lower inherent PFAS risk than nonstick or water-resistant treated goods.
Shop Helix on Amazon →Material
polyurethane foam core, polyester/cotton blend cover
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
furniture 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 Midnight Luxe core is polyurethane foam, a petroleum-derived material that can off-gas volatile organic compounds (VOCs) during the first weeks of use, particularly in warm or poorly ventilated rooms. The cover is a polyester-cotton blend, which may be treated with finish resins to improve durability and wrinkle resistance; these can include formaldehyde releasers or other chemical binders. Polyurethane itself does not contain intentional flame retardants in most US mattresses post-2007 (due to federal flammability standards), but the foam's chemical composition and manufacturing process remain proprietary for most brands including Helix.
The brand's record and disclosure
Helix does not publish detailed materials specifications, chemical disclosures, or third-party certifications (such as Greenguard Gold or OEKO-TEX) on its website, making independent verification of flame retardant or finish resin use difficult. The brand has not faced major safety recalls in public records, but the silence on materials composition is a transparency gap rather than proof of safety. No formal PFAS stance or water-resistant treatment disclosure has been located in Helix's public statements.
How it compares in its category
Most mainstream foam mattresses (Casper, Leesa, Purple) similarly withhold detailed chemical breakdowns, so Helix is not an outlier in this respect. Brands offering Greenguard certification or OEKO-TEX labels (e.g., Avocado, Saatva) provide more third-party assurance of VOC and formaldehyde limits. The Midnight Luxe sits in the mid-market comfort tier where cost and convenience typically outweigh transparency; eco-focused alternatives are available at comparable or slightly higher prices.
If you buy it
Unbox and air out the mattress in a well-ventilated room for 24-48 hours to allow initial VOC off-gassing. Use a mattress protector to reduce direct contact with the cover and minimize potential exposure to finish residues. Do not expose the mattress to prolonged heat (direct sunlight, electric blankets above 120°F) as this can accelerate foam degradation and chemical volatilization. If you detect persistent chemical odor beyond 72 hours or develop respiratory symptoms, consult the retailer about return options and request materials specification before purchase if chemical sensitivities are a concern.
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.”
Volatile organic compound (VOC) off-gassing from polyurethane foam
All polyurethane foam mattresses release trace VOCs, especially when new or heated. Helix provides no VOC testing or Greenguard certification data, so off-gassing intensity is unknown; typical foam mattresses show acceptable VOC levels after 48-72 hours in normal indoor conditions.
Formaldehyde releasers in fabric finish resins
The polyester-cotton blend cover may contain formaldehyde-releasing resins for wrinkle resistance or durability; Helix does not disclose finish chemistry. This is a low-acute-exposure hazard at mattress surfaces but can contribute to indoor air formaldehyde, especially in warm or humid conditions.
Flame retardant composition and identity
US mattresses must meet Federal Flammability Standard 16 CFR 1633, but manufacturers are not required to disclose whether flame retardants are used or which type. Helix silence on this detail leaves open the question of whether brominated or antimony-based additives are present; legacy polyurethane stocks may occasionally contain older chemistries.
Microplastic or fiber shedding from synthetic cover
Polyester-cotton blend covers do not typically shed microplastics in normal use (no washing or abrasion); direct contact is minimal compared to clothing. No recalls or complaints on record for the Helix cover in this regard.
Allergenic dyes or antimony in polyester
Azo dyes and antimony oxide are regulated in most industrial polyester textiles sold in the US, and no safety issues have been reported for Helix mattress covers. Without OEKO-TEX or equivalent certification, chemical restrictions remain unknown but not a documented risk for this product.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 62% 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 Mattresses
Avocado
Organic Hybrid Mattress
organic cotton, natural latex, wool, innerspring coils
Lower PFAS concern, natural materials without stain treatments, but brand doesn't explicitly address PFAS.
✓Verified PFAS-free by a third party
Avocado
Organic Wool Mattress
organic wool, organic cotton, natural latex
Lower PFAS concern; organic/natural core materials with no reported chemical treatments typical for this category.
✓Verified PFAS-free by a third party
Avocado
Vegan Mattress
organic cotton, natural latex, coconut coir, recycled steel coils
Lower-concern choice; vegan mattress avoids PFAS-prone synthetic foams and polyurethane, backed by credible third-party seals.
✓Verified PFAS-free by a third party
More mattresses 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.