Use just enough of a mild detergent (dish washing liquid that is dye free and perfume free is OK) that is required to remove any oils or greases from the tapes.
(a mild detergent; is; dye free and perfume free) (Use just enough of a mild detergent; is; OK)
a mild detergent Use just enough of a mild detergent
is is
dye free and perfume free
OK