 So by that, it doesn't just harden up and stop working for you. It stays fluid and continues to work for you because it heals back over. So with that being said, if you're looking at a paint job and you scratch it, you're going to see a white canvas again on that scratch mark. But our product is going to keep creeping, so it's going to keep healing over itself. And when it heals back over, it's really just putting that shield back up against rust. So that's one of the great benefits is it actually penetrates the metal so it can keep doing that.