The W. E. Hill preparation liquid is specially blended for the cleaning and restoring of traditional varnishes. Easily removes dirt from fine string instruments. The W. E. Hill Varnish Cleaner recipe has been in use for over 100 years, aiding to protect and conserve instruments. This popular polish is great for removing stubborn rosin without damaging the delicate varnish on your instrument. Leaving a clean, polished look which is essential for the maintenance and protection of your instrument.