Lemon oil is a common product used for conditioning and cleaning guitar fretboards.
Benefits:
Hydration:
Wood naturally dries out over time, and lemon oil can help replenish moisture, preventing cracks and warping. This is especially important for uncoated rosewood and ebony fretboards, as they are more susceptible to drying out.
Cleaning:
Lemon oil can help remove dirt, grime, and sweat buildup from the fretboard, leaving it looking and feeling cleaner.
Conditioning:
The oil can help soften the wood, making it smoother and easier to play on. This can also improve the tone of your guitar.
Protection:
A light coat of lemon oil can provide a thin layer of protection against moisture and oxidation.