proprietary formulation containing integral Boron Nitride Compounds, Fluoropolymers & Nano Ceramics for the ultimate low friction drive chain. Welcome to the future. The Muc-Off C3 Ceramic Bike Lube creates a ceramic coating for incredible durability & long distance performance on all bicycle chains. Provides ultra low friction for ultimate drive train efficiency. Contains Boron Nitride & Fluoropolymers for high performance. Waterproof qualities mean you excel in wet conditions. Comfort bottle with pipette system for easy use & application.95% biodegradable. Ideal for Road, Cyclocross & MTB