Dirty necklace with S100 cleaners Spray, let soak in for 15 minutes and rinse with a soft jet from the garden hose. Then edit the chain with an old toothbrush and rinse again. Wipe dry Finally, allow to dry and grease with the rest S100 White Chain Spray. Leave to work overnight and then wetted all 3-500 km and re-cleaned at least 1500km. A can is sufficient for clean 4-5 times! The only reason for 4 stars was the fact that it is ne chemical mace and stinks!