A hair treatment device or tool to chemically treat a section of hair for highlighting, frosting, perming, coloring, decoloring, straightening, neutralizing, relaxing, conditioning and the like comprising a member or body of lightweight, flexible, resilient, washable, porous, absorbent foam or fabric including at least one hair section treatment channel formed therein extending from the surface thereof to receive a section of hair therein coated or covered with a treating chemical to isolate the section of hair during treatment and absorb excess chemical from the section of hair being treated.