SUBJECT INDEX TO VOLUME XX Absorption, percutaneous, experimental studies on influence of vehicles on, 289 Ache, etiology of, 565 Adsorption of bath oil according to formula- tion, 109 Aerosols, cosmetic, determination of particle size distribution of, 385 cosmetic, effect of vapor tap valves on propellant-to-concentrate ratio in, 36.5 cosmetic and pharmaceutical, evaluation of Single Station Undercap Filler for, emulsion systems, molecular interactions in, to produce pearlescence, 577 foams, technology of consistent dispensing of, without cosfly gadgetry, 511 gas chromatographic analysis of, by pressurized liquid sampling, 353 gas chromatographic identification and quantitative determination of pro- pellants in, 525 Allergy, skin reactions, 479 Amine, neutralizing, effect on stability of emulsions prepared with carboxy vinyl polymers, 215 Amino acids, analysis for, in cosmetically altered hair, 55.5 Bandrowski's Base, function of, in hair dye- ing, 395 Bath oil adsorption according to formula- tion, 109 p-Benzoquinonediimine, as vital inter- mediate in oxidative hair dyeing, 253 Bubbles, formation of, in hydroalcoholic gels, 795 Ceramic tiles, as color standards for instru- ments, 49 Chromatography, gas, analysis of aerosols by pressurized liquid sampling, 353 gas, identification and quantitative deter- mination of propellants in aerosols, 525 Color, instrumental measurement and con- trol of, 265 standards for instruments, 49 Computer, image analyzing, Quantirnet, for particle size analysis of pigments, 675 Conrad, L. I., eulogy, 75 Containers (See also Packaging) metal, principles of corrosion of, by cosmetic products, 17 plastic, drop testing of, 3 Corrosion, of metal containers by cosmetic products, principles of, 17 Cosmetics, aerosol, determination of particle size distribution of, 385 aerosol, evaluation of Single Station Undercap Filler for, 373 allergic skin reactions to, 479 formation of air bubbles in, 795 industry, changes in past, and future development, 653 photostability of, 761 principles of corrosion of metal containers by, 17 Dandruff, observations on nature of, 81 relationship of nystatin-resistant strain of Pityrosporum ovale to, 603 resident microbial flora of human scalp and relationship to, 113 selenium sulfide for control of, 767 Dermatological therapy, topical, changing pattern of, 663 Detergents, influence of, on uptake of oxygen by "hairless" mouse skin, 413 Dispersibility of powder in water, factors influencing, 335 Drop testing of plastic containers, 3 Dyeing, direct, of human hair, shampoo hair coloring compositions for, 595 oxidative, of hair, p-benzoquinonediimine as vital intermediate in, 253 Dyes for hair, function of Bandrowski's Base in, 395 Elasticity of human hair, study using single fiber test inethod, 615 Einulsions, aerosol systems, molecular inter- actions in, to produce pearlescence, 577 effect of initial surfactant location on phase inversion of, 185 prepared with carboxy vinyl polymers, effect of neutralizing amine on, 215 use for reducing roughness of skin, 719 Filling apparatus, Single Station Undercap Filler for cosmetic and pharmacetitical aerosol products, evaluation of, 373 FoaIn, aerosol, technology of consistent dis- pensing of, without costly gadgerry, 511 characteristics of shampoo systems, influence of lanolin derivatives on, 777 Gels, hydroalcoholic, bubble formation in, 795 Germicides, halogenated, effect upon glucose metabolism in guinea pig epidermis of exposure of skin to, 421 mixtures in soap, antimicrobial action of, on skin, 103 for skin, efficacy of, 431 Gingiva, attached, effect of surface-activc materials on, 301 Glucose metabolism in guinea pig epidermis, effect of exposure of skin to halogenated germicides, 421 Guinea pigs, epidermis of, effect of skin ex- posure to halogenated germicides upon 829

830 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS glucose metabolism in, 421 Hair, adult and children's, differences be- tween, 159 cosmetically altered, amino acid analysis of, 555 dyeing o[, function of Bandrowski's Base, 395 dyeing of, oxidative, p-benzoquinonedi- imine as vital intermediate in, 253 elasticity and tensile properties of, using single fiber test method, 615 influence and evaluation of neutralizers on permanence of waving of, 707 modification of, by internal deposition of polymers, 539 oily, as cosmetic problem, 293 shampoo coloring compositions for direct dyeing of, 595 sorption of quaternary ammonium sur• factants by, 135 waving of, 321 Hair spray, determination of particle size distribution of, 385 Hexachlorophene, toxicological properties of, 173 International Federation of Societies of Cosmetic Chemists, Constitution, 227 Praesidium Meeting, 157 Sixth Congress, 352, 652 Lanolin derivatives, influence on foam characteristics of shampoo system, 777 Metal containers, principles of corrosion of, by cosmetic products, 17 Methylene blue modified technique for test- ing roughness of stratmn corneum, 719 Metrication, conversion factors, symbols, and definition, 66 Mice, "hairless," influence of detergents on oxygen uptake by skin of, 413 Microbial flora, of human scalp, relationship to dandruff, 113 of scalp, relationship of nystatin-resistant strain of Pityrosporum ovale to dandruff, 603 Migration of surfactants in two-phase sys- tem, 627 Molecules, interactions of, in aerosol emul- sion systems, pearlescent structures, 577 steric and electrical properties of, in relation to odor and lack of odor, 729 Neutralizers, influence and evaluation of, on permanence of hair waving, 707 Nystatin, relationship of strain of Pityro- sporum ovale resistant to, and dandruff, 603 Odor, and lack of, results of steric and elec- trical properties of molecules, 729 Oiliness in hair, as cosmetic problem, 293 Oral hygiene, effect of surface-active mate- rials on attached gingiva, 301 microbiological criteria of, 287 Oxygen, uptake of, by "hairless" mouse skin, influence of detergents, 413 Packaging of cosmetics, influence of Weights and Measures Act, 31 Paraffin, liquid-water-nonionic surfactant system, solubilization experiments, 199 Particles, size analysis, of pigments and opaque particles with Quantimet, 675 size distribution, of aerosol cosmetics, determination of, 385 Pearlescence in aerosol emulsion systems, 577 Penetration of skin, factors influencing, 487 Permanent waving, of hair, influence and evaluation of neutralizers, 707 of hair, study of reactions during, 321 Pharmaceuticals, aerosols, evaluation of Single Station Undercap Filler for, 373 in topical dermatological therapy, chang- ing pattern of, 663 vehicles for, influence on percutaneous ab- sorption, 239 p-Phenylenediamine, p-benzoquinonediime as intermediate during oxidation of, in hair dyeing, 253 Photochemistry in cosmetics, 761 Photographic method for testing sunscreens, 807 Pigments, particle size analysis of, with Quantimet, 675 Plastics, containers from, drop testing of, 3 Polymers, carboxy vinyl, effect of neutraliz- ing amine on stability of emulsions prepared with, 215 modification of hair by internal deposition of, 539 Powders, dispersibility and wettability of, in water, factors influencing, 335 handling of, in mechanical equipment, 693 Propellants, in aerosols, gas chromato- graphic identification and quantitative determination of, 525 -to-concentrate ratio, effect of vapor tap valves on, 365 Sampling, liquid, pressurized, in gas chromat- ographic analysis of aerosols, 353 Scalp, human, resident microbial flora of, and its relationship to dandruff, 113 normal and dandruff, effect of selenium sulfide on epidermal turnover of, 767 $ebum, composition of, before and after puberty, 565 Selenium sulfide, effect on epidermal turn- over of normal and dandruff scalps, 767 Shampoos, containing hair coloring, for direct dyeing of human hair, 595 influence of lanolin derivatives on foam characteristics of, 777 Skin, allergic reactions of, 479 antimicrobial action of soap germicide mixtures on, 103 efficacy of germicides for, 431 experimental studies on influence vehicles on absorption by, 239 factors influencing penetration o[, 487 of guinea pigs exposed to halogenated germicides, effect upon glucose metabo- lism in epidermis, 421