140 ' JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS is made of the interfering action of the nonionic surfactants on'these preservatives as reported by Bolle, Mirimanoff and expanded by de- Navarre. The book, however, is a valuable tool to both the cosmetic and phar- maceutical chemist as they are vitally interested in the control of bacteria, yeast and molds both in the manufactured product and on the skin of the ultimate consumer. Excellent bibliographies termi- nate each chapter.--J^MEs H. B^}c•.R, Gar-Baker Laboratories, Inc.
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