S.I.T. Strings has gradually developed the perfect formula for Guitar Polish and Conditioning Oils. The Guitar Polish, with a distilled water base, contains ingredients that can transform almost any used instrument into something beautiful by cleaning away grime, wear deposits, and just plain dirt. It is also perfect for sustaining the shine on new instruments. The orange and lemon oils are 100% pure and natural. It is great for the treatment and preservation of any part of a guitar or bass made of wood.