Premium string and neck lubricant and string cleaner for all stringed instruments Silicone free cleaner is liquid in an applicator, not a spray Use it on strings, fretboard, back of neck Lets fingers slide freely and keeps strings clean. GHS FAST FRET The ORIGINAL string cleaner! Not a spray! Contains no silicone. Apply to your strings and fingerboard to remove built up dirt and grime. Fast Fret keeps the strings sounding bright and new, extending the healthy lifetime of any strings. HOW TO APPLY FAST FRET Use the included Fast Fret applicator to apply Fast Fret to the strings and fingerboard. Then used the included cloth to wipe away dirt and grime