This guy always does great videos in a scientific / engineered manner. In these videos he's comparing different penetrating oils and comparing the torque require to break loose corroded bolts and whether any of these products work to protect from future corrosion. Very interesting...
And then there's anti-seize...
- Penetrating Oil Showdown Episode 2. Will Seafoam Deep Creep prevail? - https://www.youtube.com/watch?v=st8dkGzJWtg&t=2s
- Do Penetrating Oils Block Rust? Let's find out! - https://www.youtube.com/watch?v=UoijjWUGU2Q
And then there's anti-seize...