SUBJECT INDEX TO VOLUME XVIII Acidic solutions, effects on hair exposure, 643 Aging, human skin, effect of topical hor- mones, 549 keratin replacement as parameter, 537 Aluminum compounds for antiperspirant use, 105 Anticaries agents, in toothpastes, labora- tory analysis, 135 Antiperspirants, new aluminum compounds, 105 Bacterial flora compared with yeast flora of human scalp, 029 Benzoic acid distribution and activity in emulsified systems, 207 Chromatography, thin layer, of solvent ex- tractable material on hair, 31 Color, rapid assessment for routine storage testing, 3 of red hair, 777 tristimulus measurements, 307 Colorants. See Dyes. Consumer panels, local and national, com- parison in paired preference test, 123 Cosmetic treatments, of hair, quantitative monitoring, 273 Cosmetics, chemistry of synthetic dyes in, 225 contact dermatitis from, 081 films, on skin, nature of, 149 microbial purity, 715 preservation, 727 pseudomonads in, 727 testing, application of microbiology, 191 toxicological testing, 737 Dandruff, electronic data processing of com- positions for control of, 787 production, effect of bacterial and yeast flora, 029 Degerming of hands, evaluation of bacterio- static soaps, 771 Dentifrices, measurement and interpretation of abrasivehess, 387 prophylactic, laboratory evaluation. 473 Dermatitis, allergic, from artificial coloring materials, 215 from cosmetics, 081 diaper, bacteriostatic soap in prophylaxis of, 101 Sulphan Blue in evaluation of, 199 Dermatological preparations, microbial pur- ity of, 715 837 Dyes, action of light on, 245 artificial, allergic reactions to, 215 artificial, toxicology of, 421 nitro, azo, and anthraquinone, with qua- ternary ammonium compounds, 705 oxidation intermediates, 609 relevance of color and rate of diffusion to development of, 19 synthetic, chemistry of, 225 / Electrolytes, and emulsion stability, rela- tionship between surface effects due to, 169 Electronic data processing in antidandruff clinical research, 785 Emulsions, distribution and activity of ben- zoic acid in, 207 effect of process variables on stability of, 591 stability, and relationship of surface effects due to electrolytes, 169 Fingernail growth rate as aging parameter, 537 Fluorocarbons, toxicity, 333 Fragrances, measuring the meaning of, 755 and personality relationship, 521 Hair, adsorption effects on, 91 behavior at low pH values, 043 colorants for, relevance of color and rate of diffusion, 19 coloring of, with oxidation dye intermedi- ates, 609 cosmetic treatments, quantitative moni- toring, 273 dyeing of, study of nitro, azo, and anthra- quinone dyes with quaternary ammo- nium compounds, 705 effect of pH on sorption of collagen-de- rived peptides, 599 effect of shampooing on solvent extract- able material on, 31 red, iron pigment in, 777 torsional properties, 575 Hexachlorophene, deposition on skin, 527 Hormones, effect on aging human skin, 549 Iron pigment in human red hair, 777 Irritants, statistical approach to evaluation of cutaneous responses to, 809 Keratin, replacement as aging parameter, 537 type determination and melanocyte sys- tem, 413 Laboratory planning, aspects of, 41

838 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Light, action on coloring matters, 245 Melanocyte system and keratinization, 413 Microbiology, application to cosmetic test- ing, 191 Moisturizing agent, natural, in skin, iden- tification of, 351 Molds, on human scalp, 563 Obituary, Russell, K. L., 573 Oral hygiene, effect of surface active materi- als on, 291 evaluation of effectiveness of tooth cleans- ing process, 303 Patch tests, in determination of photosensi- tization potential of deodorant soaps, 361 predictive, pitfalls and problems, 323 statistical approach to evaluation of, 809 Peptides, collagen-derived, effect of pH on sorption of, by hair, 599 Photosensitization, potential, of deodorant soaps, 361 Placebos, evaluation in clinical trials, 455 Preservatives, for cosmetic products, 727 and study of pseudomonads in cosmetics, 797 Pseudomonads, in cosmetics, 797 Purity, microbial, of external dermatological preparations, 715 Rabbit eye mucosa, potential irritancy to, of cream shampoos, 663 Scalp, comparison of bacterial and yeast flora, 629 habitat for molds, 563 Shampoos, antidandruff, clinical evalua- tion, 439 cream, irritancy to rabbit eye mucosa, 663 detergency and allied properties, 651 effect of, on solvent extractable material on hair, 31 Skin, adsorption effects on, 91 color, melanocyte system and keratiniza- tion, 413 hexachlorophene deposition, 527 human, aging, effect of topical hormones, 549 identification of natural moisturizing agent in, 351 nature of cosmetic films on, 149 spectroscopic studies, 469 Soap, bacteriostatic, clinical evaluation of, in diaper dermatitis-prophylaxis, 161 bacteriostatic, evaluation for degerming hands, 769 deodorant, determination of photosensiti- zation potential, 361 Society of Cosmerle Chemists, Great Bri- tain, Annual Meeting, 499 Annual Report, 499 Dinner and Dance, 271 Diploma Course, 58 Hibbott Memorial Prize, 58 Officers and Council 1966-7, 1 Program, 58, 271,500 Seminar, 59, 272 Symposia, 58, 59, 272, 500 Society of Cosmetic Chemists, U.S.A., Annual Report, 61 California Chapter, 82 I.F.F. Award, 754 Literature Award, 502 Medal Award, 65 Meetings, 104, 148, 366, 548, 590 Mid-Atlantic Chapter, 83 Midwest Chapter, 84 Miner, E. T., honored, 514 New England Chapter, 86 New York Chapter, 88 Pleehner, Sophie, honored, 514 Rieger, Martin, award, 754 St. Louis Chapter, 753 Spectroscopy, I.R., attenuated total reflec- tance, skin studies, 469 Statistical approach to evaluation of cutane- ous responses to irritants, 809 Storage testing, rapid assessment of color for, 3 Sulphan Blue, use in evaluating dermal irritation, 199 Sunscreen agents, evaluation of, 143 Surface active materials, effect on oral hygiene, 291 Toothpaste, containing anticaries agents, laboratory analysis, 135 evaluation of effectiveness, 303 as test product in comparison of local and national consumer panels, 123 Toxicology, of artificial coloring materials, 421 testing of cosmetics, 737 Ultraviolet, use in evaluation of sunscreen agents, 143 Yeast flora, compared with bacterial flora of human scalp, 629