Adapted from an aerospace lubricant, Beoshield's patented T9 lube is in our experience the best bike lube on the market today.
It dries to a thin film that lubricates and protects for hundreds of miles. It penetrates, cleans and displaces moisture, and is difficult to wash off so a little rain won't immediately rust your chain.
Best results come if you apply and allow to dry for 2 hours or more, then wipe off the excess lube and apply again and allow to dry again.
This two-step set-up gives the lube a bit more life by allowing the protective membrane to fully form.