Hidersine Hidersol varnish cleaner and reviver was first developed in the 1930s and has been a staple in violin workshops ever since.
It is recommended for the cleaning and reviving of traditional stringed instrument varnish. 25ml per glass bottle.
NB: All varnishes and finishes are different. While this product has been extensively used by many over the years, we cannot accept any liability – all cleaners and polishes are used at the purchasers risk. We recommend trying in an inconspicuous area first.