DAMP Rid · Fabric Protection Treatment Sprays
DAMPRID Hanging Moisture Absorber
Lower concern product. No PFAS-prone materials identified.
DAMPRID is primarily calcium chloride desiccant in a fabric pouch. No water-repellent, grease-resistant, or nonstick coatings present. Standard moisture absorber with minimal PFAS risk.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Calcium chloride desiccant with fabric pouch
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
furniture is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
DAMPRID Hanging Moisture Absorber is a non-toxic calcium chloride desiccant enclosed in a permeable fabric pouch. Calcium chloride is a mineral salt widely used in food processing and de-icing, meaning it has a long regulatory safety history. The fabric pouch allows water vapor to enter while containing the drying agent, and the product is designed to be single-use or replaced when saturated. No heating, coating degradation, or chemical off-gassing is involved in normal operation.
The brand's record and disclosure
DAMP Rid (WD-40 subsidiary) maintains standard product labeling for calcium chloride safety. The company does not publish detailed chemical transparency reports or third-party certifications for this product line. No recalls or regulatory actions specific to DAMPRID moisture absorbers are on record. The brand's silence on PFAS reflects the straightforward inorganic nature of the core ingredient rather than opacity.
How it compares in its category
This product avoids common risks of alternative moisture-control methods: silica gel variants may dust microparticles if damaged, and some fabric-based alternatives use chemical binders or antimicrobial treatments. Hanging format reduces mold risk versus passive bowl absorbers. DAMPRID is a low-tech, non-electronic option in a category that includes activated charcoal (dust risk) and rechargeable electric dehumidifiers (electrical/moisture management complexity).
If you buy it
Place the pouch in well-ventilated spaces away from direct contact with food, pets, or children; calcium chloride is a mild skin/eye irritant if leaked. Replace when the pouch feels full or heavy, typically every 30-60 days depending on humidity. Do not incinerate or compost; dispose as normal waste. Store unopened pouches in a dry place to preserve effectiveness.
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.”
Calcium chloride skin/eye irritation
If the fabric pouch tears or leaks, exposed calcium chloride can irritate skin and eyes. Risk is low in normal hanging use but increases if pouch is handled roughly or children access the contents directly.
Fabric pouch degradation and micro-fiber shedding
The pouch material is not detailed in public specifications. Standard non-woven polypropylene pouches do not release microplastics in static use, but no independent testing of this brand's specific pouch has been published.
Mold contamination if improperly stored pre-use
If unopened pouches are stored in damp conditions before sale or installation, the absorbent may be contaminated with mold spores. Risk depends on warehouse and retail handling, which is not disclosed.
Water leakage if pouch ruptures
As the product saturates, the liquid calcium chloride solution can leak if the fabric weave is compromised, potentially staining surfaces or flooring. This is a performance failure rather than a chemical hazard but warrants placement in enclosed or tray-lined spaces.
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.
More fabric protection treatment sprays 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.