Muc Off's Biodegradable Degreaser quickly and safely eliminates built-up oil, grease and grime on metal, plastic, rubber and seals. Its unique, "water-soluble" formula means that after use it can be quickly rinsed away with water to leave your greasy bike parts completely clean. Our R&D team put in the hours to make sure this Water Soluble Degreaser works on even the toughest of grime including waterproof grease and chain lube/wax residue!