Ceramic WET is Finish Lines most advanced and most effective racing lubricant. Ceramic WET ensures maximum drivetrain efficiency. Extreme durability, smoothness and ultimate quietness Ceramic WET is a full water-proof lubricant, so it can be used in all disciplines: Mountainbike, cyclo-cross, road and track racing. Application tips: Apply generously to clean chain (Degrease, rinse with water and then dry.) Work in, wipe excess. Reapply after 1st ride to complete ceramic coating process. NOTE: As the white ceramic particles embed themselves, they will displace grime, causing the lubricating film to turn grey or black. Over time (2-3 applications) this phenomenon will lessen or cease. This discoloration is normal and will not compromise performance.