it's always a good idea to give your fingerboard some TLC. Straight from the Fender Custom Shop

Buy at www.musicianscart.com Fender Custom Shop Fingerboard Remedy 2 oz 0990534000,Two-ounce bottle,High-grade carnauba formula,Contains no silicones, resins, polymers, bonding agents or alcohol,Compatible with all finishes, including nitrocellulose,After weeks of play, it’s always a good idea to give your fingerboard some TLC. Straight from the Fender Custom Shop, the Fender Custom Shop Fingerboard Remedy is a special citrus and beeswax formulation designed to lift dirt and grease from fingerboards. It not only leaves a protective sheen on any type of fingerboard, but also brings out a deep, rich grain for long-lasting playability.