Abstract: A hand-held hair grooming device comprising a housing adapted to be held in the hand of the user, an array including a plurality of electrically conductive tines extending outwardly from the housing, apparatus for mounting the plurality of tines in the housing, apparatus for applying an electric potential between adjacent times whereby lice or other pests suitably disposed between adjacent tines are electrocuted and apparatus for selectable displacement of some of the plurality of tines relative to others of said plurality of tines to assist in cleaning thereof.

Abstract: Apparatus for treating hair including a handle, hair separation apparatus associated with the handle and extending longitudinally along an axis, apparatus for oscillating the hair separation apparatus about the axis so as to bring the hair separation apparatus into repeated engagement with a group of hairs so as to ease passage of the separation apparatus therethrough, and apparatus for preventing the hair separation apparatus from striking a portion of skin to which the hairs are attached. The hair separation apparatus is oscillated about the axis at a relatively high frequency, of, typically, greater than 4,000 cycles per minute and preferably greater than 10,000 cycles per minute, and at a relatively small amplitude, of, typically, no larger than about 5.degree. and, preferably, no larger than 2.degree..