ThisVirtually any oil will do but you will get as many answers as there are cyclists.
I agree they all do the job in the same manner but some make life very much easier.This
For me, its cheapest I can find. They all work the same and are as effective as each more expensive brands. No need to pay silly money.
Dry.
You might also find the search function very illuminating as this gets asked regularly!
https://www.cyclechat.net/search/134040/?q=Lube&t=post&c[child_nodes]=1&c[nodes][0]=55&c[title_only]=1&o=relevance
Another vote for squirt ,keeps your chain a lot cleaner no more black gunk on the commuterJust started using this a few months ago. Great for the summer and stays on if you get wet roads too. It's waxy so dirt drops off.
https://www.tredz.co.uk/.Squirt-Cha...NAGxGS23rPPPGnYXbBKmjsRdLe3N6r0hoCrKYQAvD_BwE