424 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Keratolytic agents benzoyl peroxide aller- gies, patch tests, lack, clinical correlation, factors affecting, 309 Kinetics hair dyes reactions, 375 Lipids emulsions water-in-oil, comparison, o/w, emollient effects, human skin, 263 hair extraction, composition, correlation, oiliness, human samples, analysis, 317 Lithium bromide effects a-keratin, hair fi- bers, physical properties, review, 385 Mascara adverse reactions and therapy, discussion, 249 Mechanism of action aluminum chlorohydrate antiperspirants, mechanism of action, in vitro simulation, 281 cystine and gelatin dietary supplements, increased hair growth, humans, 95 gelatin and cystine dietary supplements, increased hair growth, humans, 95 Methacrylates analysis artificial nails, monomers and polymers, formulations, 51 Methodology Air Comparison Pycnometer measure- ment, hair volume, effects, moisture, 85 antiperspirants aluminum chlorohydrate, mechanism of action, in vitro simulation, 281 skin corneocytes, desquamation, evalua- tions, computers, humans, 1 sunscreen agents evaluations, protection factor, animals, 9 Sun Protection Fac- tor, evaluation, range finding technique, humans, 259 tests patch, allergens, cosmetics, lack, clinical correlation, factors affecting, 309 4-Methoxy-m-phenylenediamine analysis dyes, hair, in-use, 97 Methylparaben resistance E. coli, and other bacteria, factors affecting, 75 Micelies critical concentration surface ac- tive agents, nonionic, effects, HLB, emul- sions, l 15 Miglyol 812 emulsions occlusivity, o/w, ef- fects, surfactants, HLB, formulations, 157 Mineral oil comparison, triglycerides topical, effects, skin, mice, 93 emulsions occlusivity, o/w, effects, suroeac- rants, HLB, formulations, 157 Moisture a-keratin fibers, hair, effects, physical properties, review, 385 hair effects, volume, measurement, Air Comparison Pycnometer, 85 skin effects, elasticity and relaxation, ex- cised hamster skin, 169 loss, transepi- dermal, effects, w/o and o/w emulsions, humans, 263 Molecular weight parabens effects, resis- tance, E. coil and other bacteria, 75 Monomers methacrylates nail preparations, artificial nails, formulations, analysis, 51 Montane 80, see Sorbitan monooleate Montanox 80, see Polysorbate 80 Morphology hair human, fibers, effects, chlorine solutions, analysis, 229 Nail preparations artificial nails analysis, formulations, 51 Nitrosamines analysis contamination, cos- metic raw materials, developments, 407 Nonylphenols polyoxyethylenated hydro- philic-lipophilic balance, effects, emul- sions, critical micelle concentration, 115 Odors body axillary, sources, bacteria and odorants, analysis, review, 193 Oils emulsions occlusivity, o/w, effects, surfactants, HLB, formulations, 157 Oleth-10 emulsifying agents effects, HLB, o/w emulsions, occlusivity, formulations, 157 Oleth-2 emulsifying agents effects, HLB, o/w emulsions, occlusivity, formulations, 157 Partition coefficients surface active agents nonionic, effects, HLB, critical micelle concentration, emulsions, 115 PEG-8, see Polyethylene glycol 400 Perfumes analysis cosmetics, raw materi- als, developments, 385 Perhydrosqualene, see Squalane Perspiration axillary odors, bacteria and odorants, sources, analysis, review, 193 p-Phenylenediamine hair dyes reactions, ki- netics, 375 Polarity oils emulsions, o/w, effects, occlu- sivity, formulations, 157 Polyethylene glycol 400 analysis 1,4-dioxane, GC/MS, ion moni- toring, 19 effects stability, suspensions, hydrophobic solids, with polysorbate 80, 149 Polymers methacrylates nail preparations, artificial nails, formulations, analysis, 51 Polyols solubilizing agents effects, stability, suspensions, hydrophobic solids, with poly- sorbate 80, 149 Polyoxyethylene (10) oleyl ether, see Oleth-10 Polyoxyethylene (20) sorbitan monooleate, see Polysorbate 80 Polysorbate 60 analysis 1,4-dioxane, GC/ MS, ion monitoring, 19

SUBJECT INDEX 425 Polysorbate 80 emulsifying agents effects, HLB, o/w emulsions, occlusivity, formulations, 157 surface active agents suspensions, hydro- phobic solids, stability, effects, polyols, 149 Preservatives butylparaben effects, solubilization by nonionic surfactants, additives, cosmet- ics, 297 cosmetics analysis, developments, 407 parabens resistance, E. coli and other bac- teria, factors affecting, 75 pyrithione sodium stability, and hydroly- sis, solutions, pH and temperature ef- fects, storage, 243 Propylene glycol effects stability, suspen- sions, hydrophobic solids, with polysorbate 80, 149 Propylparaben resistance E. coli, and other bacteria, factors affecting, 75 Pseudomonas aeruginosa skin colonization, transient, humans, 225 p,t-Octylphenols polyoxyethylenated hydro- philic-lipophilic balance, effects, emul- sions, critical micelle concentration, 115 2-Pyridinesulfonic acid 1-oxide decomposi- tion products pyrithione sodium, hydroly- sis, solutions, pH and temperature effects, storage, 243 Pyrithione sodium stability and hydrolysis, solutions, pH and temperature effects, storage, 243 Pyrithione zinc comparison, triclosan ef- fects, antimicrobial and antidandruff, shampoos, humans, 27 Radiation infrared a-keratin, hair fibers, absorption, factors affecting, review, 385 Raw materials cosmetics analysis, develop- ments, 407 Release aluminum chlorohydrate antiper- spirants, formulations, solutions vs suspen- sions, humans, 179 Resistance parabens E. coli, and other bac- teria, factors affecting, 75 Rheology emulsions cosmetics, stability evaluation methods, 345 foams soaps, relation, bubble size, 131 Salicylamide stability suspensions, with polysorbate 80, effects, polyols, 149 Sedimentation butamben suspensions, with polysorbate 80, effects, polyols, 149 salicylamide suspensions, with polysorbate 80, effects, polyols, 149 sulfamerazine suspensions, with polysor- bate 80, effects, polyols, 149 Shampoos bases vehicles, parabens, effects, resis- tance, E. coli and other bacteria, 75 pyrithione zinc, comparison, triclosan ef- fects, antimicrobial and antidandruff, humans, 27 triclosan, comparison, pyrithione zinc ef- fects, antimicrobial and antidandruff, humans, 27 Simulso196, see Oleth-10 Skin corneocytes desquamation, evaluations, computers, humans, 1 effects mineral oil, comparison, triglycer- ides, mice, 93 elasticity effects, temperature and mois- ture, relaxation, excised hamster skin, 169 emollients emulsions, w/o, comparison, o/w, effects, humans, 263 Pseudomonas aeruginosa colonization, transient, humans, 225 Soaps foams, rheology, relation, bubble size, 131 Sodium laurate combination, sodium oleate, sodium palmitate soaps, foam, rheology, relation, bubble size, 131 Sodium laureth sulfate analysis 1,4-diox- ane, GC/ML, ion monitoring, 19 Sodium oleate combination, sodium laurate, sodium palmitate soaps, foam, rheology, relation, bubble size, 131 Sodium palmitate combination, sodium lau- rate, sodium oleate soaps, foam, rheology, relation, bubble size, 131 Sodium-2-pyridinethiol-l-oxide, see Pyri- thione sodium Solubility parabens effects, resistance, E. coli and other bacteria, 75 salicylamide effects, polyols, suspensions, with polysorbate 80, 149 sulfamerazine effects, polyols, suspen- sions, with polysorbate 80, 149 Solubilization butylparaben preservatives, cosmetics, effects, nonionic surfactants, 297 Solubilizing agents polyols effects, stability, suspensions, hydrophobic solids, with poly- sorbate 80, 149 Solutions aluminum chlorohydrate antiper~ spirants, comparison, suspensions, formu- lations, humans, 179