Best chain lube (which doesn’t gunk up?)

I’ve used Rock’n Roll Extreme for about 6/7 years now and won’t be changing any time soon.

https://m.ebay.co.uk/itm/Rock-N-Roll-Extreme-Chain-Lube-Complete-Kit-16oz-Mountain-Cross-Bike-Lubricant/302952758253?ul_ref=https://rover.ebay.com/rover/1/710-53481-19255-0/1?type=2&pub=5575403537&toolid=10001&campid=5338343596&item=302952758253&customid=eb%3Ag%3Avms%3Aeb%3Ap%3A302952758253%3BEAIaIQobChMI8NyelPPz7AIVlOd3Ch0M4wBJEAQYAyABEgKQo_D_BwE&gclid=EAIaIQobChMI8NyelPPz7AIVlOd3Ch0M4wBJEAQYAyABEgKQo_D_BwE&srcrot=710-53481-19255-0&rvr_id=2676654065427&rvr_ts=a9c77fa61750a9e42004812bff842f38&_mwBanner=1&_rdt=1&ul_noapp=true&pageci=10e078c2-c639-4da2-bd08-a035bea3e106