Why Cast Iron Skillets Develop a Natural Non-Stick Surface
By Lodgecastiron | Published: 2026-10-24
Category: Tips & Care
Learn the science behind cast iron's natural non-stick surface and debunk common myths about seasoning and maintenance.
Quick answer
Cast iron skillets develop a natural non-stick surface through a process called seasoning, where layers of oil are polymerized onto the iron, creating a smooth, durable coating. It's not a myth—it's chemistry.
The Science Behind Seasoning
Seasoning is the process of applying thin layers of oil to cast iron and heating it to a high temperature. This causes the oil to polymerize, forming a hard, non-stick layer bonded to the metal. The more you cook with oils and fats, the more layers build up, enhancing the non-stick properties over time.
Common Myths Busted
Myth: You need a special coating or chemical spray to make cast iron non-stick. Fact: Seasoning with natural vegetable oils, like the 100% natural vegetable oil used on Lodge cast iron, is all you need. Myth: Soap ruins seasoning. Fact: Mild soap is safe for seasoned cast iron; it's abrasive scouring that damages the surface. Myth: New cast iron is non-stick immediately. Fact: It becomes non-stick with use and proper care.
Verdicts on Cast Iron Non-Stick Myths
- Myth: Cast iron is never truly non-stick: Verdict: False. With proper seasoning, cast iron can rival non-stick pans. The polymerized oil layers create a slick surface that improves with use.
- Myth: You must use flaxseed oil for best seasoning: Verdict: Not necessary. Any high-smoke-point oil works. Lodge uses 100% natural vegetable oil, which is effective and widely available. Stick with oils you trust; no need for exotic options.
- Myth: Cast iron requires constant re-seasoning: Verdict: Only if you cook acidic foods or scrub aggressively. Regular cooking with fats maintains the seasoning naturally. Cook often with oil-rich foods to keep the surface strong.
Product Facts
- HERSHEY'S KISSES Seasoned Cast Iron KISSES Skillet: This skillet is seasoned with 100% natural vegetable oil for a nontoxic cooking experience. It means you can start building your non-stick surface right away without worrying about synthetic chemicals.
HERSHEY'S KISSES Seasoned Cast Iron KISSES Skillet
