Allergic Eczematous Dermatitis Due to Dyes in Nylon Stockings1,2,31From the New York Skin and Cancer Unit of the New York Postgraduate Medical School and Hospital.2With the technical assistance of Mrs. Dorothy Furman.3We are indebted to Dr. Louis Schwartz, Director of the Office of Dermatology, U.S.P.H.S., for his assistance in obtaining some of the materials tested; and to Dr. A. Fischer for his advice and help. Cross-Sensitization to Paraphenylendiamine (Preliminary Report)