I've never liked Armorall. I've always thought it was too greasy and too shiney to use on the inside surfaces. And then there are all the posts and articles that say it does more harm than good, which I really don't know how true they are. I've been using 303 Aerospace Protectant for about a year now after reading good things on here and really like it. No greasy build-up, not too shiney, and it's supposed to have UV protection. I think there are a lot of products out there that work better than Armorall.