JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 885 biophysical factors affecting penetration of agents into, 615 desiccation of, origin, prevention, and therapy of, 769 experimental damage of, for testing der- matological-cosmetic protective agents, 757 feel on, of emollients, correlation to chem- ical structure, 635 fetal, barrier development, ultrastructure, and sulfhydryl content of, 119 grafting of, to unnatural sites, for study of its regional differences, 109 human, accumulation and persistence of antibacterial agents in, 369 human, problems involved in isolation of subcellular components from epidermis, 95 human and animal, comparison of pre- dictive irritation tests with surfactants on, 411 in vivo measurement of color of, by re- flectance spectrophotometry and visual colorimetry, 725 in vivo measurement of loss of water from, 361 radioactive contamination of, 535 spreading capacity of oil components on, 303 surface, investigations on esterases of, 777 surface, scanning electron microscopy of, 477 surface, surface tension of sweat from, 809 swelling of, and influence of skin surface lipids, 783 Soap, antibacterial, effect on microflora of skin, 369 Society of Cosmetic Chemists, Great Britain, Committees for 1970-71, 2 Medal Lecture, 546 Obituary, R. H. Marriott, 548 Officers and Council for 1970-71, 1 Publication Prize, 547 Society of Cosmetic Chemists, U.S.A., IFF Award, 152 Literature Award, 560 Medal Award, 178 Officers for 1971, 108 Shaw Mudge Award, 138 Spectrophotometry, atomic absorption, for fast analysis of trace amount of lead in cosmetics, 589 reflectance, for measurement of skin color in vivo, 725 Spreading coefficient of oil components in cosmetics on water and on skin, 303 Stability and instability of emulsions, clari- fication of terms used to describe, 815 Stains, extrinsic, removal from teeth as meas- ure of cleaning efficacy of dentifrices, 457 Statistical approach to sensory testing, 211 Sterilization of products, gamma radiation for, 711 Structure, fine, of fetal skin, 119 of hair, and physicochemical properties of cuticle, 839 Subcellular components, isolation of, from human epidermis, 95 Sulfhydryl content of fetal skin, 119 Sunlight radiation effects on elasticity and tensile properties of human hair, 667 Surface tension of thermally stimulated sweat, measurement of, 809 Surfactants, cationic, reaction of cetyl pyr- idinium chloride with keratin fibers containing synthetic polymer, 579 in detergents, comparisou of predictive ir- ritation tests with, on human and ani- mal skin, 411 effects on rates of photochemical reactions of dyes and drugs, 83 Suspensions of aluminum chlorhydroxide, for aerosol formulations, physical be- havior, 153 Sweat, eccrine and apocrine, measurement of surface tension of, 809 Sweat glands, influence on percutaneous absorption, 523 Synthesis of caranols, caranones, caranamines and their rearrangement products, 249 Teeth, effect of dentifrices on extrinsic stains from, 457 scanning electron microscopy of abrasions on surface of, 477 Tensile properties of human hair, light ra- diation effects, 667 Terminology used to describe emulsion be- havior, conceptual clarification of, 815 Terpenoids, mono-, and sesqui-, biosynthesis of, 231 Testing of new compounds for long-term toxicity, factors affecting, 825 Thermal disorder in lipids and detergents interaction with water, 505 Thyme, analysis of odoriferous vapors of, 3 Topical preparations, dermatological and cosmetic aspects in development of, 315 Toxicity, chronic, testing of new compounds for, 825 Triclocarban and hexachlorophene mixture, labeled, in soap, for measurement of accumulation and persistence of anti- bacterial agents in human skin, 369 Ultraviolet light radiation effects on elas- ticity and tensile properties of human hair, 667 Vapors, odoriferous, gas-liquid chromato- graphic analysis of, 3 Water, absorption of, by lanolin, 421 interaction with, of lipids and detergents, 5O5 Weight-by-difference and fluorometric meth- ods for determining particle size distri- bution of aerosol cosmetics using Cas- cade Impactor, 867 •Vool wax alcohols, properties of ethoxy condensates of, 201