In the Term, Keratolytic, What Is the Suffix and What

In the term, keratolytic, what is the suffix and what does the whole term mean?

A) The suffix is kerato and the term means the tough, scaly protein that forms the nails and hair.
B) The suffix islytic, and the term means causing separation or loosening of the horny layer of the skin.
C) The suffix is kerato, and the term means the protein that is used to form the stratum lucidum.
D) The suffix is lyt and the term means cells that produce the stratum basale.
E) The suffix is ic, and the term means causing separation or loosening of the horny layer of the skin.