140 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS JOINT CONFERENCE ON COSMETIC SCIENCES Washington Hilton Hotel Washington, D.C., April 21-23, 1968 PROGRAM Analysis of Oxidation Dyes in Hair Colorants by Thin Layer and Gas Chromatography By: R. Fainland, Ph.D. Clairol, Inc. S. Goldstein Clairol, Inc. A. A. Kopf Clairol, Inc. Computer Usage in a Cosmetics Research Laboratory By: Charles M. Fairchild Revlon Research Center, Inc. Jay W. Sorkin, Revlon Research Center, Inc. Route of Penetration of Allergens Through Guinea Pig Skin By: Leonard J. Vinson, Ph.D. Lever Brothers Research Center Vincent F. Borsalii Lever Brothers Research Center Edward J. Singer, Ph.D. Lever Brothers Research Center Halogenatari Salicylanilides: Photochemical and Analytical Techniques By: F.W. Baker, Ph.D. Miami Valley Laboratories, Procter & Gamble Company G. E. Booth, Ph.D. Miami Valley Laboratories, Procter & Gamble Company Gas Chromatography in Cosmetic Analysis: A Progress Report By: John H.Jones Div. ColorandCosmeticChemistry, Food&DrugAdm. Sylvan H. Newburger, Ph.D. Div. Color and Cosmetic Chemistry, Food & Drug Adm. MargameH. Champion Div. Color and Cosmetic Chemistry, Food &DrugAdm. Frederick C. Gross Div. Color and Cosmetic Chemistry, Food & DrugAdm. Christine M. Kottemann Div. Color and Cosmetic Chemistry, Food & DrugAdm. Interpretation of Gravimetric Antiperspirant Data By: W.M. Wooding Carter Products Research, Carter-Wallace, Inc. Delayed Contact Hypersensitivity Studies in Man and Animals By: Howard I. Maibach, M.D. San Francisco Medical Center Theophilus R. Carson Div. Pharmacology, Food & DrugAdministration Francis N. Marzulli, Ph.D. Div. Pharmacology, Food & Drug Administration Thin Layer Chromatographic Analysis of Some Natural Resins Used in Perfumes By: H.H. Wisneski, Ph.D. Div. Color &CosmeticChemistry, Food and DrugAdm. A New Method for Biological Evaluation of Products Used in the Mouth By: Myron S. Weinberg, Ph.D. Foster D. Snell, Inc., Biological Science Laboratories Adelfo Hernandez, D.V.M. Foster D. Snell, Inc., Biological Science Laboratories Alvin M. Sarnoff, D.D.S. Consultant--Foster D. Snell, Inc. Development and Evaluation of an Effective Preservation System By: SauITenenbaum Revlon Research Center, Inc. The Effect of DMSO on Percutaneous Absorption: A Mechanistic Study By: Stanley G. Elfbaum, Ph.D. Gillette Research Institute Karl Laden, Ph.D. Gillette Research Institute Intermediates and Products in Oxidative Hair Dyeing By: John F. Corbett Gillette Research Laboratory, Reading, England In Vivo Studies of Human Percutaneous Penetration By: Howard I. Maibach, M.D. San Francisco Medical Center RobertJ. Feldmann, M.D. San Francisco Medical Center Microbiology of Cosmetic Preparations By: Arthur P. Dunnigan, Ph.D. Div. of Microbiology, Food & Drug Administration Skin Transpiration I By: Margaret Sue Burns Clairol, Inc. Joseph Magnani, Ph.D. Clairol, Inc. Donald A. Clarke, Ph.D. Clairol, Inc. Some Application of Column Chromatography in Cosmetic Analysis By: Sylvan H. Newburger, Ph.D. Div. Color & Cosmetic Chemistry, Food & Drug Adm. Henry M. Davis Div. Color & Cosmetic Chemistry, Food & Drug Adm. John H. Jones Div. Color &CosmeticChemistry, Food &DrugAdm. H. Wayne Stevenson Div. Color & Cosmetic Chemistry, Food & Drug Adm. Margaree H. Champion Div. Color &CosmeticChemistry, Food & DrugAdm. ChristineM. Kottemann Div. Color &Cosmetic Chemistry, Food &DrugAdm.