Shell Shiner

Shell Shiner was a magical ointment intended for shining the shells of magical beasts including Fire crabs, Mackled Malaclaws, and Streelers. Its ingredients included dittany, wormwood, and salt water. Its only required a few drops per dose, but should not be used on new born beasts.

Newton Scamander owned some Shell Shiner during his travels in 1926.