JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 687 Naphthalene-l,5-bisureas as ultraviolet ab- sorbers in study of photostability and skin affinity of sunscreens, 667 Nuclear magnetic resonance, new instru- mental tool for analysis of cosmetic ingredients, 507 Odorant, response of frog olfactory system to stimulation with, 183 Olfactory system of frog, response to con- trolled odor stimuli, 183 Parabens, kinetics of degradation of, 495 Particles, influence of velocity and diame- ter of, on their capture by arrays of hair fibers, 545 Patch test on skin, commission of sin through medium of, 153 Perfume, industry, and decision analysis, 159 industry, sesquiterpenes in, 203 ingredients, behavior in products, 325 Photochemistry of sunscreens, 263 Photostability and skin affinity, two criteria for sunscreening products, 8t37 Polymerization of methyl methacrylate into human hair, 407 Preservatives, antimicrobial, imidazolidinyl urea type, thin-layer chromatographic detection and determination of, 535 formaldehyde-releasing, fluorometric de- termination of, 1355 Processing of cosmetic products, applica- tion of rheological studies, 437 Propellant additives, and stabilization of nonionic aerosol emulsions, 581 Regulatory activities of FDA in cosmetics, scientific basis, 99 Research in field of toilet preparations, ap- plication of microcalorimetry, 49 Resins, hair spray, adhesion to hair fibers, 297 Rheological studies, application to product formulation, stability, and processing problems, 437 Safety, inhalation, of cosmetic products, 283 problems in appraisal of hexachloro- phene on skin, 113 Salyrganic acid mercurial titration in simul- taneous determination of cysteinyl and S-sulfocysteinyl residues in keratin, 461 Sesquiterpenes in perfumery industry, 203 Shampoos, antidandruff, appraisal of effi- cacy of, 73, 515 containing antibacterial agents, relative merits of "in use" and laboratory methods for evaluation of, 307 specialized techniques for analysis of, 33 Skin, affinity to, and photostability, two criteria for sunscreening products, 1387 appraisal of safety of hexachlorophene on, 113 commission o[ sin through medium of patch test on, 153 dry and flaky, development of skin cream for, 519 evaluation of bleach creams for, 339 moisturizers, effects of .cosmetic ingredi- ents on human stratum comeurn, 253 moisturizers methods for measuring wa- ter regain, mechanical properties, and transepidermal moisture loss of stra- tum comeum, 239 quantitative aspects of absorption of cos- metics by, 93 and sex hormones, 381 substantivity of cosmetic ingredients to, 23 Soaps, behavior of perfumery ingredients in, 325 Society of Cosmetic Chemists, Great Bri- tain, committees for 1973-74, 2 Medal Lecture, 379 Officers and Council for 1973-74, 1 Society of Cosmetic Chemists, U.S.A. IFF Award, 422 Literature Award, 108 Medal Award, 92 Merit Award, 112 ofiqcers for 1974, 72 Perry Brothers Award, 460 Shaw Mudge Award, 436 Solubility of cutaneously applied agents, effects of surface-active materials, 423 Stability, chemical, of cutaneously applied agents, effects of surface-active mate- rials, 423 of cosmetic products, application of rhe- ological studies, 437 Substantivity of cosmetic ingredients to skin, hair, and teeth, 23 S-Sulfocysteinyl and cysteinyl residues in keratin, simulataneous dete•xnination, 461 Sunscreens, hairless mouse as experimental model for evaluating effectiveness of, 639 photochemistry of, 263 photostability and skin affinity as two criteria for, 667 Surface-active agents, effects on solubility, chemical stability, and availability of cutaneous applied agents, 423 measurement of foaming properties of, and application in formulating high- foaming cosmetic products, 593 Teeth, substantivity of cosmetic ingredients to, 23 Thickness, use, of topical substances, and transepidermal moisture loss, 397 Toiletties, application of microcalorimetry to research, 49 specialized techniques for analysis of, 33 survey of microbiological contamination in, in U.K., 563 Topical substances, effects of surface-active materials on solubility, chemical sta- bility, and availability on, 423

088 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS significance of use thickness of, and transepidermal moisture loss, 397 Toxicity, of aerosols, current perspectives, 271 inhalation, testing for, 283 Ultraviolet irradiation, of hairless mouse in evaluating effectiveness of sun- screen preparations, 639 Viscosity, changes in, and differential threshold of sensory "viscousness" of cream base substances, 481 Vitiligo, presumptive role of amino acid derivatives and catecholamines in eti- ology of, 61 Water and skin interaction methods for measuring water regain, mechanical properties, and transepidermal mois- ture loss of stratum corneton, 239