Coconut oil is the best. The longer I edge, the more I ooze precum, which makes my cock super hard and sensitive , so I ooze even more precum that makes me wet, which makes my big cock even harder and more sensitive, which makes it precum much more, and so on and so forth...
The coconut oil mixes nicely with my precum and occasional spurt from a multicum, keeping it very wet, slick and smooth. If I get a giant glob of cum from one of the smaller orgasms, I use that as lube, and when it starts to get creamy as it dries out, a little dab of fresh coconut oil gets it all extra wet again.
Platinum brand silicone lube does the same thing and mixes very nicely with all my fluids, but I have to use more of it, more often. Organic coconut oil is cheap and smells good when I'm jerking off with it! My big cock loves it.