798 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Nigam, I. C., see Nigam, M. C. Nigam, M. C., Nigam, I. C., and Levi, L., Essential oils and their constituents. XXV. Thin layer chromatography. So•ne chemical and chemotaxonomic applications, 1.5.5 Norton, D. A., see Brown, M. R. W. Ohta, H., Pyridoxine-3,4-diacylates and their use in cosmetics, 349 Ostendorf, J. P., Measurement and preven- tion of oxidative deterioration in cos- metics and pharmaceuticals, 203 Papa, C. M., see Kligman, A. M. Paukner, E., Success and failure of odor classification as applied to reactions to erogenous odors, ill5 Poxon, D. W., Band shape on dyed paper as a method of chromatography for oils and fats, 3 Puttnam, N. A., Lee, S., and Baxter, B. H., Application of attenuated total reflec- tance IR spectroscopy to toilet articles and household products, 1. Qualita- tive analysis, 607 Randebrock, R., Application of polarity profile to assessment of odors, 653 Raymond, S. A., see Caul, J. F. Russell, K. L., and Hoch, S. G., Water- insoluble bacteriostats solubilized in soap and detergent solutions, 169 Salfeld, K., Comments on the physiology of aging skin, 269 Schuster, G., Amphoteric emulsifiers based on di[atty alkyl triethanolamine ethers, 715 Schwartz, B. S., see McNamara, T. F. Sherman, P., A method for predicting rheological changes in emulsion prod- ucts when aged, 591 Smart, R., see Bryce, D. M. Smith, J. G., Jr., and Finlayson, G. R., Dermal connective tissue alterations with age and chronic sun damage, 527 Steinbach, M. L., see McNamara, T. F. SuiTis, R., Sullivan, T. J., and Henderson, W. S., Identification of surface active agents as trimethyl silyl ether deriva- tives by gas chromatography, 783 Sullivan, T. J., see Surfis, R, Tawashi, R., see Czetsch Lindenwald, H. Thau, P., and Fox, C., A new procedure for the preparation of polyethylene-mineral oil gels, 359 Thomas, J., see Bean, H. S. Tronnier, H., Potential treatment and pro- phylaxis of aging skin, 275 Truter, E. V., see Anderson, C. A. Wahl, W. H., see Leddicotte, G. W. Weber, G., The importance of skin type for topical products, 721 Wedderburn, D. L., Hygiene in manufactur- ing plant and its effect on the preserva- tion of emulsions, 395 Weinberg, M. S., see Carson, S. Wilkinson, J. B., and Carriere, G., Public safety and the cosmetic chemists--a European review, 91 Wilmsmann, H., Replacement of bromo acids in lipsticks by water-soluble FDC and DC colors, 105 Winkler, A., see Neuwald, F. Zielinski, R., see Laden, K.

SUBJECT INDEX TO VOLUME XVI Adhesives, aqueous topical, 5631/ Aerosols, behavior of lanolin derivatives, 31 Aggregation of emulsions, 698 Albumin as an antiwrinkling cosmetic, 557 Amides, linear fatty, effect on benzylation of tertiary amines, 547 Amino acids, reaction with a-hydroxy- methyl ketones and phenacyl alcohols, 777 Antibacterials, activity in two-phase system, 15 Antibiotics, effect on skin flora, 689 use in ophthalmic preparation, 381 Anti-irritants, use in cosmetics, 317'/- Antimicrobials, effect on skin flora, 687 inhibiting concentrations, 176, 501 skin substantivity as a criterion in evalua- tion, 499 solubilization, 171, 341 use in ophthalmic preparations, 369 use in shampoos, 193 Antioxidants, 210 • Antiperspirant, safety testing, 328 Aromatic compounds, estimation with u.v. absorptimeter, 79 Autoxidation, 204 ' Bacteriostats, solubilization in soap and detergent solutions, 169 Bromo acids, replacement in lipsticks by water-soluble certified colors, 105 ,•[ .. 2-Bromo-2-nitropropane-l,3-diol, 196 2-t-Butyl-4-methoxyphenol, 637 Callus, analysis, 491 Cell membranes, resistant, and properties of keratinized tissues, 507 Cholesterol, hydrolysis of ester, 44• Chromatography of oils and fats through band shape on dyed paper, 3 Chromatography, thin layer, of essential oils and their constituents, 155 Coalescence of emulsions, 595, 699 Colors, certified, use in lipsticks, 106 \• Consumer product testing, principles, 763 Corium, changes due to aging, 278 Corn starch particles, effect of moisture, 251 Cosmetic chemists and legislation, 69, 85, 91 Cosmetics, analysis with aid of infrared spectroscopy, 607 application of neutron activation analysis, 571 basic foundations, 729 cleanliness during manufacture, 395 legislation concerning, 85, 91 oxidative deterioration, 203 role of government, 85 799 safety testing, 325 skin tolerance, 721 stability, 206 statistical aspects of safety, 145 use of albumin, 557 use of anti-irritants, 317 use of pyridoxine esters, 349 Dandruff flakes, analysis, 491 Di-alkyl derivatives of triethanolamine mono esters, use as emulsifiers, 715 synthesis, 717 Dihydroxyacetone, reaction with skin and amino acids, 777 Draize rabbit eye test, 120, 324 ' Emulsifiers, amphoteric, 715 estimation with u.v. absorptimeter, 79 Emulsions, approach to formulation, 465 effect of hygiene during manufacture on preservation, 395 efficacy of antibacterials, 15 phase diagrams in formation, 466 predicting rheological changes, 591 stability, 697 Esters, hydrolysis in emulsions, 447 Eye irritation, quantitative method for testing, 119 Fats, chromatography on dyed paper, 3 Flocculation, effect on rheology of aged emulsion, 600 Flow point, determination, 620 Gas chromatography of trimethylsilyl ethers of surface-active agents, 783 Hair, effect of hair sprays, 309 effect of hormones on growth, 441 electron microscopy, 507 Hair dressing, perfume, 665, 667 Hair dyes, improved method for safety testing, 747 •7• I b Hair spray, action 3n hair, 309 curl retention by, 310 perfume, 666 Hormones, effect on sebaceous glands, 408 effect on skin, 431 a-Hydroxymethyl ketones, reaction with skin and amino acids, 777 Infrared spectroscopy, attenuated total reflectance, 607 International Federation of Societies of Cosmetic Chemists, 53,248, 545 Keratin, chemical resistance, 511 Lanolin derivatives, behaviour in aerosols, 31 influence on pigment dispersion, 617 Lipsticks, use of certified acid colors, 106 Marangoni effect, 703