PRESERVATIVE REQUIREMENTS OF O/W EMULSIONS 117 (,9) (10) (12) (13) (14) (15) Billie Wickliffe, and D. N. Entrekin, Relation of pH to preservative effectiveness. II, Ibid., 53, 769-73 (1964). E. E. Boehm, Synergism in vitro of certain antimicrobial agents, I. Soc. Cosmet. Chem., 19, 531-49 (1968). R. H. Tilbury, The effect of the hydrophilic-lipophilic balance of nonionic sur- factants on the efficiency of preservatives in simple emulsions, Specialties, i (11), 3-8 (1965). H. S. Bean, G. H. Konning and J. Thomas, Significance o• the partition coefficient of a preservative in cosmetic emulsions, Amer. Perrum. Cosmet., 85, 61-5 (1970). F. E. Halleck, Chairman, Preservation SubeommiRee o• the TGA Microbiological Committee, A guideline •or the determination o• adequacy of preservation of cosmetics and toile•ry •ormulations, TGA Cosmet. ]., 2 (1), 20-3 (1970). J. A. Rodgers Chairman, Preservation Subcommittee o• the CTFA Microbiological Committee, Evaluation of methods •or determining preservative efficacy, CTFA Cosmet. 1., 5 (1), 2-7 (1973). S. M. Henry, What constitutes a microbiologically acceptable cosmetic, Ibid., 3 (3), 28-32 (1971).

118 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Society of Cosmetic Chemists Literature Award to Dr. Howard I. Maibach The 1973 Society of Cosmetic Chemists Literature Award was presented to Howard I. Maibach, M.D., Consultant in Dermatology, at the Society's Annual Scientific Meeting held in New York City. Formal presentation of the award was made to Dr. Maibach by Dr. Hy- man Henkin, 1974 President of the Society, during luncheon ceremonies on December 3rd. The award consists of a scroll and an honorarium of $1,500. Dr. Maibach was honored for his research work and numerous publications on dermatology and related subjects. •. . .. --:. •. • •.• -• .:. ..-• ..:. • •.. . I-6• :..• •.- .¾...•.• •..¾ •:. .. • :' %5' ..:• .. • : . 3 -•:.• "•(• : ' ..•-%].•.• **- ........ ] ß ' ..'.:.'.' .:.. . ß Leltt to right: Literature Award recipient Howard I. Maibach and Literature Awarcl Chairman Morton Pader