The original DuPont Teflon based lubricant made specifically for use on bicycles. Teflon is used to reduce the coefficient of friction and reduce mechanical wear, and is suspended in a solvent carrier.
"During the wetest draught the south east has seen I have not had a huge opportunity to use the Dry Lube. However on the odd occasions it would appear to do everything it says on the label. It attracts less dirt and appears to remain on the cahin for longeer than other products I have used. Don't be fooled by the viscosity of the fluid. But do give it a good shake before applying."