422 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Bacteria skin axillary, sources, odors, anal- ysis, review, 193 Benzoyl peroxide allergens tests, patch, lack, clinical corre- lation, factors affecting, 309 analysis nail preparations, artificial nails, formulations, 51 Benzylparaben resistance E. coli, and other bacteria, factors affecting, 75 Buffers vehicles parabens, effects, resis- tance, E. coli and other bacteria, 75 Butamben stability suspensions, with poly- sorbate 80, effects, polyols, 149 Butylparaben preservatives effects, solubilization by nonionic surfactants, additives, cosmet- ics, 297 resistance E. coli, and other bacteria, fac- tors affecting, 75 Carcinogens analysis contamination, cos- metic raw materials, developments, 407 Chlorine toxocity solutions, hair, fibers, hu- man, friction and morphology effects, analysis, 229 Chromatography, gas 1,4-dioxane ethoxy- lated compounds, and MS, ion monitoring, 19 Chromatography, liquid aminoacetic acid antiperspirants, sticks and roll-ons, 359 Cloud points surface active agents nonionic, solubilizers, butylparaben, effects, addi- tives, cosmetics, 297 Coefficient of friction hair human, fibers, effects, chlorine solutions, analysis, 229 Concentration butylparaben preservatives, cosmetics, ef- fects, solubilization by nonionic surfac- tants, 297 chlorine solutions, effects, human hair fi- bers, friction and morphology, analysis, 229 parabens effects, resistance, E. coli and other bacteria, 75 polyols effects, stability, suspensions, hy- drophobic solids, with polysorbate 80, 149 surface active agents nonionic, and homo- geneity, effects, HLB, emulsions, 115 nonionic, effects, o/w emulsions, occlu- sivity, formulations, 157 Contamination cosmetics raw materials, trace, analysis, developments, 407 Cosmetics adverse reactions eye preparations, and therapy, discussion, 249 allergens and irritants, patch tests, lack, clinical correlation, factors affecting, 309 analysis raw materials, instrumentation, developments, 407 emulsions stability, mechanisms, methods, evaluations, 345 preservatives butylparaben, effects, solu- bilization by nonionic surfactants, addi- tives, 297 skin emulsions, w/o, comparison, o/w, emollient effects, humans, 263 Creams dyes hair, analysis, oxidation dyes, 97 Cuticle hair damage, grooming effects, de- creased by conditioners, tresses and hu- mans, 203 Cystine and gelatin dietary supplements, increased hair growth, humans, 95 2,4-Diaminoanisol, see 4-Methoxy-m-phen- ylenediamine Dielectric constants oils emulsions, o/w, lack, effects, occlusivity, formulations, 157 Dietary supplements cystinc and gelatin increased, hair growth, humans, 95 gelatin and cystine increased, hair growth, humans, 95 1,4-Dioxane analysis ethoxylated compounds, GC/MS, ion monitoring, 19 contaminants cosmetics, raw materials, analysis, developments, 407 Dipyrithione decomposition products pyri- thione sodium, hydrolysis, solutions, pH and temperature effects, storage, 243 Disinfectants triclosan comparison, pyri- thione zinc, effects, shampoos, humans, 27 Dispersions stability cosmetics, mecha- nisms, methods, evaluations, 345 2,2'-Dithiobispyridine, l,l'-dioxide, see Di- pyrithione Dosage forms aluminum chlorohydrate an- tiperspirants, effects, vehicles, evaluations, humans, 179 Drugs, adverse reactions cosmetics allergens, patch tests, lack, clin- ical correlation, factors affecting, 309 eye preparations, allergies, discussion, 249 Drugs, clinical effectiveness aluminum chlo- rohydrate antiperspirants, effects, vehi- cles, evaluations, formulations, humans, 179 Dyes contamination p-toluidine, cosmetics, analysis, developments, 407 oxidation analysis, hair dyes and tints, 97 Elasticity skin effects, temperature and moisture, relaxation, excised hamster skin, 169

SUBJECT INDEX 423 Electricity a-keratin fibers, hair, conduc- tion, factors affecting, review, 385 Emulsifying agents surface active agents nonionic, effects, HLB, o/w emulsions, oc- clusivity, formulations, 157 Emulsions oil-in-water comparison, water-in-oil, emollient effects, human skin, 263 ef- fects, surface active agents, HLB, criti- cal micelle concentration, 115 occlusivi- ty, effects, surfactants, HLB, formula- tions, 157 vehicles, parabens, effects, re- sistance, E. coli and other bacteria, 75 stability cosmetics, mechanisms, methods, evaluations, 345 water-in-oil comparison, oil-in-water, emollient effects, human skin, 263 Equipment analysis cosmetics, raw materi- als, developments, 407 Escherichia coli resistance parabens, fac- tors affecting, 75 Ethylparaben resistance E. coli, and other bacteria, factors affecting, 75 Eye preparations cosmetics adverse reac- tions, and therapy, discussion, 249 Eyeshadows adverse reactions and therapy, discussion, 249 Fibers a-keratin hair, physical properties, factors affecting, review, 385 Flocculation emulsions cosmetics, stability, mechanisms, 345 Foams dyes oxidation, aerosols, hair tints, analy- sis, 97 soaps rheology, relation, bubble size, 131 Formic acid effects a-keratin, hair fibers, physical properties, review, 385 Formulations aluminum chlorohydrate an- tiperspirants, effects, vehicles, evaluations, humans, 179 Gelatin and cystine dietary supplements, increased hair growth, humans, 95 G!ycine, see Aminoacetic acid Hair a-keratin fibers, physical properties, fac- tors affecting, review, 385 chlorination effects, fibers, human, fric- tion and morphology, analysis, 229 damage cuticle, grooming effects, de- creased by conditioners, tresses and hu- mans, 203 dyes and tints, oxidation dyes, analysis, 97 growth increased, by cystine and gelatin supplements, humans, 95 lipids extraction, composition, correlation, oiliness, human samples, analysis, 317 volume effects, moisture, measurement, Air Comparison Pycnometer, 85 Hair dyes reactions kinetics, 375 and tints oxidation, analysis, 97 Hair preparations conditioners control, hair cuticle damage, grooming effects, tresses and humans, 203 shampoos pyrithione zinc, comparison, tri- closan, effects, humans, 27 Hair waving sulfites, comparison, thioglycolates ef- fects, hair fibers, setting solutions, 363 thioglycolates, comparison, sulfites ef- fects, hair fibers, setting solutions, 363 Homogeneity surface active agents non- ionic, and concentration, effects, HLB, emulsions, 115 Homomenthyl salicylate, see Homosalate Homosalate sunscreen agents lotions, pro- tection factor, evaluation methods, ani- mals, 9 Hydrogen ion concentration chlorine solutions, effects, human hair fi- bers, friction and morphology, analysis, 229 effects aluminum chlorohydrate, antiper- spirants, in vitro simulation, 281 pyrithione sodium effects, hydrolysis, solu- tions, storage, 243 Hydrolysis pyrithione sodium solutions, pH and temperature effects, storage, 243 Hydrophilic-lipophilic balance emulsions effects, emollient, w/o, compar- ison, o/w, human skin, 263 oil-in-water, surfactants, effects, occlusivity, formula- tions, 157 surface active agents nonionic, effects, emulsions, critical micelie concentration, 115 Hydrophobicity surface active agents non- ionic, effects, solubilization, butylparaben, preservatives, cosmetics, 297 Industry cosmetics eye preparations, adverse reac- tions, preventive measures, role, 249 tests, patch, allergens, irritants, lack, clinical correlation, problems, 309 Irgasan DP-300, see Triclosan Irritants cosmetics tests, patch, lack, clini- cal correlation, factors affecting, 309 Isovaleric acid odors body, axillary, sources, analysis, review, 193 Jojoba wax toxocity lack, topical and SC, long term, animals, 141 Keratin hair absorption, moisture, effects, volume, measurement, Air Comparison Pycnometer, 85 a-Keratin fibers hair, physical properties, factors affecting, review, 385