Correct spelling for the English word "cutal" is [kjˈuːtə͡l], [kjˈuːtəl], [k_j_ˈuː_t_əl] (IPA phonetic alphabet).
Trade name of aluminum borotannate; a light brown powder, disinfectant and astringent, used in powder or ointment in the treatment of skin diseases.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.