SUBJECT INDEX 405 NDELA derivatization by acetylation and trimethylsilylation, 329 near-infrared reflectance analysis shampoo sample concentration, 191 penetration of triglyceride into skin, 283 permeability constant, 139 plastometer, 241 shear stress, 241 silicon concentration human hair, 383 young equilibrium of liquids on solids, 225 Equilibrium binding constants reservoir formation in skin, 169 lipids mesomorphic phase data, 159 volatile compounds headspace gas chromatography, 1 Equilibrium dialysis protein binding bovine serum dialysis, 169 Equipment aesthesiometer skin sensation measurement, 315 beckman scintillation counter radioactivity, 275 CEM automatic volatility computer solid determination, 191 centrifuge NDELA assay, 329 constant-rate-of-extension tensile tester fiber and knot breaking tenacity, 93 coulter counter water loss, 211 dosimat water content, 225 electrolytic conductivity detector gas chromatography, 329 evaporimeter water volatility and transepidermal water loss, 139 freezing microtone preparation of excised human skin, 139 gas chromatograph dentrifice abrasives and flavor release, 305 gas chromatograph connected to a thermal energy analyzer nitrosoalkanolamine determination, 133 goniometer contact angles, 225 hemocytometer, 53 corneocyte count, 179 IEC clinical R centrifuge sample preparation of hair, 383 illuminated magnifying lamp skin condition evaluation, 355 integrator recorder, 139 liquid chromatograph, 139 HPLC, 85 mass spectrometer, 85 mechanical shaker sample preparation of hair, 383 modified flow through diffusion apparatus, 107 pehameter potentiometric titration, 69 penetrometer consistency determination, 139 phase-delay meter electrical characteristics of skin, 367 pH meter pH determination, 139 phototherapy radiometer irradiance, 347 rotary evaporator NDELA assay, 329 rotoviscometer measuring viscosity, 241 scanning electron microscope surface morphology of hair, 93 servomed EP1 evaporimeter water flux, 367 spectrofluorimeter optical discrimination of skin, 121 spectrometer atomic absorption assay, 383 HPLC, 85 spectrophotometer absorbance, 211 technicon infra analyzer reflectance spectra, 191 TRXRD apparatus phase properties of lipids, 159 ultrasonicator parakeratotic index, 179 vortex genie mixer NDELA assay, 329 water purification system, 139 Erythema depolarized light optical discrimination, 121 effects of topical retinoids, 53 skin melanin level, 347 skin irritation visual evaluation, 315 Ester assay of NDELA, 329 Ethanol dissolvant exposure to human skin, 53 water mixture in titanometric titration, 69 Ether sebum excretion rate measurement, 291 Ethyl benzoate emulsion vehicles and vasoconstrictor activity, 139 Ethyleneglycol contact angles model skin surface, 225 surfactant, 15 Ethylformate reagent nitrosoalkanolamine determination, 133 Eumalanin photoprotection, 347 Evaporation water dry residue in commercial products, 69 Exfoliative cytology stratum corneum, 53 Extraction siloxanes human hair, 383 Exudation effects of topical retinoids, 53 Face cutaneous deterioration, 43 Fibers hair surface, 27 human hair effect of chlorination and a cosmetic treatment, 93 Ficks law calculation of permeability constant, 139 Flaking skin irritation visual evaluation, 315 Flame ionization detection NDELA trace level analysis, 329 Flavor binding effect of abrasives on dentrifices, 305

406 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Flexibility stratum corneum, 367 Flux skin permeability, 139 transepidermal water loss, 107 water diffusion coefficient, 211 glycerin treatment, 367 Forearm stratum corneum permeability, 15 wash test mildness, 355 Forehead stratum corneum permeability, 15 Formaldehyde interaction with dehydroacetic acid sodium salt, 85 model skin surface formulation, 225 Fourier analysis hair growth rate, 27 Fragrance the psychology of, 43 Free amine content in cocamidopropylamine oxide, 69 Free energy values microemulsion preparation system, 201 Free fatty acids pathogenesis of ache vulgaris, 259 Friction skin hydration, 367 Frictional properties hair effect of chlorination, 93 surface, 27 Fugizone collagen sample maintenance, 275 Fumaric acid reservoir formation in skin, 169 Gas chromatography glycerol determination process control of shampoo, 191 headspace volatile compound identification, 1 nitrosoalkanolamine determination, 133 quantitative assay n-nitrosoamines, 329 Gaseous phase volatile compounds, 1 Gas flow rate electrolytic conductivity detector optimization, 329 Gel exfoliative cytology exposure to human skin, 53 humectant systems binding to flavor, 305 Gelatin crosslinked protein model skin surface, 225 Glacial acetic acid emulsion inhibition cosmetic sample cleanup, 329 Gloss hair surface cosmetic treatments, 27 Glycerin in water effect on permeability, 107 Glycerine effect on flavor binding of abrasives, 305 Glycerol contact angles model skin surface, 225 humectant physical effects, 367 process control of shampoo, 191 reservoir formation in skin, 169 Glycosaminoglycan synthesis effect of retinoids, 235 Gravimetric procedure scaling in dandruff, 179 Greasiness emulsion vehicle cosmetic acceptance evaluation, 139 Growth hair, 27 topical application of DHEA, 291 Guanine alkylation carcinogenesis, 329 Hair care the psychology of, 43 chlorine interaction, 93 compounds headspace gas chromatography, 1 growth sebaceous gland stimulation, 291 human silicones, 383 surface profile, 27 [3H]-amino acid-labeled cyanogen bromide collagen peptides penetration hairless mouse skin, 275 Hamsters method for TEWL, 107 sebaceous gland stimulation, 291 Iteadspace gas chromatography, 1 availability of dentrifice flavor oil, 305 Iteight semisolids measuring viscosity, 241 Itellure carrier gas assay of NDELA, 329 dentrifice abrasives and flavor release, 305 Itexane sebum excretion rate measurement, 291 High performance liquid chromatography (HPLC) NDELA concentration cosmetics, 329 Hirsutism sebaceous gland stimulation, 291 H-NMR reaction of dehydroacetic acid and formaldehyde, 85 Homogeneity emulsion vehicles cosmetic acceptance evaluation, 139 Horny cells dandruff, 179 [3H]-propionylated collagen penetration hairless mouse skin, 275 Human hair effect of chlorination with a cosmetic treatment, 93 measurement of surface profile, 27 silicones, 383 volatile compounds, 1 perception taste, 305 skin effect of anionic detergents, 267 effects of topical retinoids in vitro permeation studies, 139 melanin, 347 optical discrimination, 121 stratum comeurn exfoliative cytology, 53 penetration, 283 Humectant glycerin in water effect on TEWL rate, 107 glycerol physical effects, 367 Humectant systems dentfifice abrasives flavor release, 305 Humidity effect on hair surface, 27 on TEWL, 107 Hyaluronidase effect on acne vulgaris, 259