· Cast Iron Cookware Seasoning & Oil
Crisbee Puck Cast Iron Seasoning
Lower concern; traditional seasoning oil without non-stick coatings.
Soybean and beeswax blend seasoning for cast iron contains no PFAS-associated coatings or treatments. Standard cast iron seasoning carries minimal PFAS risk.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Soybean oil, beeswax blend
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
PFAS exposure happens more often with clothing products.
Soybean oil oxidation and rancidity
Unopened Crisbee pucks have minimal exposure, but once opened, the exposed soybean oil surface can oxidize over months, potentially producing off-odors or degraded flavor if used on food-contact surfaces. Proper storage in a cool, sealed container mitigates this.
Beeswax purity and contaminants
Commercial beeswax can occasionally contain residual pesticides (from hive treatments) or mold if sourced from poor storage conditions. Crisbee does not disclose beeswax sourcing or testing; risk is low but unverified.
What’s reassuring
Safe base material
Made from ceramic, mineral, or natural fiber with no PFAS risk.
Smoke point and thermal breakdown
Soybean oil's 450F smoke point is adequate for the recommended seasoning oven temperatures (350-500F). No safety hazard is documented when used as directed, though excessive heating beyond 500F could degrade the oil base.
Coating durability and iron leaching
The seasoning layer created by soybean oil-beeswax polymerization protects cast iron from contact with food and liquids, preventing iron oxidation and leaching. No mechanism for hazardous leaching exists with this formulation.
Allergen content (soy, bee products)
Crisbee is not ingested; it remains as a dry, cured coating on cookware. Soybean oil and beeswax are not absorbed into food during normal use, so soy or bee allergies pose no risk from the seasoning itself.
The full breakdown
What it's made of and why it matters
Crisbee Puck is a blend of soybean oil and beeswax, designed to polymerize on cast iron when heated to form a non-stick seasoning layer. Soybean oil is a triglyceride-based food-grade oil with a smoke point around 450F, suitable for seasoning applications. Beeswax acts as a hardening agent that helps the oil cure into a durable finish. This formulation contains no synthetic coatings, Teflon-type coating (Teflon), or nano-particles, making it chemically straightforward.
The brand's record and disclosure
Crisbee (made by Soybean Oil LLC, a smaller cookware-specific manufacturer) has maintained a low public profile with minimal formal certifications or third-party testing disclosures. The product has no documented recalls, safety warnings, or controversy in available safety databases. The brand does not explicitly market PFAS-free status but the formulation (traditional oils and wax) inherently excludes PFAS compounds used in modern non-stick coatings.
How it compares in its category
Cast iron seasoning products typically fall into two camps: oil-based blends (like Crisbee) or proprietary sprays that may contain additives or polymers. Crisbee's soybean oil-beeswax approach is more minimal than spray seasonings and avoids synthetic polymers or silicone carriers found in some competitors. It matches the safety profile of traditional seasoning methods (cooking oil alone) but with added durability from beeswax.
If you buy it
Apply thin coats to clean, dry cast iron and wipe away excess before heating to 350-500F in an oven for 15-30 minutes per layer. Do not use on stovetop directly as oil can ignite. The soybean oil base will not degrade the cast iron; beeswax will not flake if applied correctly. Reapply every 6-12 months or after heavy use; no special removal is needed for reapplication.
What we don’t know
- Basis
- Model estimate, 92% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- has made none
Formulations change between production runs, so check the current label. How we grade.
Safer alternatives in Cast Iron Cookware Seasoning & Oil
Coconut Oil
Cast Iron Ultimate Bundle
cast iron, bare or seasoned with coconut oil
Iron leaching into food
Limited concern
Rust and surface degradation
Limited concern
Lower concern; bare cast iron is inherently PFAS-free.
⚠Risky category by default
More cast iron cookware seasoning & oil 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.