For those born on the cheap side of the tracks
Goes on as a liquid, sets up as a semi solid. Wipe off excess.

For cleaning

Disclaimer - if using solvents to clean, follow with
compressed air to blow the excess solvent off.
Another pretty good chain cleaner

My first (and OEM) chain was still well within spec at 25,000 miles using all the above forbidden products.
There is a Triumph mechanic 'round here, who shall remain nameless, who also uses Brakleen on his chains.
I felt better after he told me that. Kero and a parts washer brush is a might on the messy side.