SUBJECT INDEX 407 Hyamine potentiometric titration anionic surfactant measurement, 191 Hydrated alumina abrasive effect on flavor release from dentrifices, 305 Hydrated precipitated silica abrasive effect on flavor release from dentrifice, 305 Hydration stratum corneum, 107, 367 Hydrochloric acid concentrated silicone on hair, 383 reagent nitrosoalkanolamine determination, 133 Hydrocortisone test compounds reservoir formation in skin, 169 Hydrocortisone 17-valerate (HCV) in vasoconstrictor emulsions, 139 Hydrogen bonding physical properties of shampoo, 191 reaction gas assay of NDELA, 329 Hydrogen chloride skin irritation chemical method, 315 Hydrogen peroxide neutralizer in penn treatment, 93 Hydroxide ion formation anionic detergents with bovine serum albumin, 267 17ot-hydroxy pregnenolone sebaceous gland stimulation, 291 Hydroxyproline collagen penetration, skin, 275 Imidazolidinylurea derivatives reaction with dehydroacetic acid sodium salt, 85 Inflammation dandruff scaling, 179 In vitro adhesion to skin, 225 effect of anionic surface active agents, 267 hair surface influence of hair care products, 27 human skin permeation studies, 139 penetration hairless mouse skin, 275 reservoir formation in skin, 169 stratum corneum glycerin treatment, 367 transepidermal water loss, 107 In vivo adhesion to skin, 225 evaluation of skin, 121 hair surface influence of hair care products, 27 stratum corneum glycerin treatment, 367 vasoconstriction activity of HCV emulsion, 139 I-octane reagent nitrosoalkanolamine determination, 133 Iodine collagen tag penetration, 275 Irritancy effect of anionic detergents human skin, 267 effects of topical retinoids, 53 skin effect of retinyl palmitate, 235 new model, 315 Isobaric temperature-composition phase diagram, 159 Isooctane concentration determination retinyl palmitate, 235 Isopleths lipids temperature effect, 159 Isopropranol concentration determination retinyl palmitate, 235 Isopropyl alcohol potentiometric titration analysis of cocamidopropylamine oxide, 69 Isopropyl myristate stratum corneum interaction, 283 Isotherm lipids temperature effect, 159 Isothiazolinone derivatives reaction with dehydroacetic acid sodium salt, 85 Isotretinoin exfoliative cytology on human skin, 53 Keratin fibers chlorination, 93 Ketones volatile compounds human hair, 1 Kinetics n-nitrosamines formation, 329 of disappearance reaction of dehydroacetic acid sodium salt with formaldehyde, 85 scale production dandruff, 179 water flux, 211 Knot strength hair effects of chlorination, 93 •/-lactones volatile compounds human hair, 1 Lanolin emulsion composition, 283 Laurylamidopropylamine oxide (C12NNO) analysis of amine oxides in commercial products, 69 Lauryl ether sulfate shampoo scaling in dandruff, 179 Light absorption skin, 347 polarized optical skin discrimination, 121 Linear regression in near-infrared reflectance analysis, 191 Lipase production effect of testosterone and anabolic steroids, 259 Lipids model skin surface, 225 phase diagrams, 159 phase properties, 159 octanol reservoir formation in skin, 169 skin surface 1, stratum corneum composition, 15 Lipoidal phase octanol/water partition coefficient, 169 Liquid-crystalline state lipids, 159 Liquid scintillation radioactivity determination tritium-labeled water, 107 Liquid scintillation counting stratum corneum penetration acid, 283 Lithium chloride emulsion vehicles and vasoconstrictor activity, 139 Location penetration of triglyceride human skin, 283 Lotion mineral oil emulsion skin treatment, 367

408 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS NDELA concentration, 329 Lyotrope gradient methods phase properties of lipids, 159 Macrophotography chemical assessment of skin, 121 Magnesium nitrate emulsion vehicles and vasoconstrictor activity, 139 Make-up psychology of, 43 Manufacturing cosmetics phase properties, 159 Mass speetrometry reaction of dehydroacetic acid and formaldehyde, 85 Measurement adhesion sl•Sn modeI surface, 225 atomic absorption spectroscopy (AAS) silicones on hair, 383 gravimetric drandmff scaling, 179 n-nitrosodiethanolamine, 329 partition coefficients octanol-water, 169 peel force model skin surface, 225 percutaneous absorption stratum comeum permeability, 15 photoprotection human melanin, 347 profilometry hair surface, 27 protein binding bovine serum albumin, 169 spearman-rank correlations reservoir formation in skin, 169 surface area corneocytes, 15 topography skin, 367 transepidermal water loss (TEWL) forearm wash test, 355 stratum corneum permeability, 15 visocosity pharmaceutical -and cosmetic semisolids, 241 water flux skin, 367 Mechanical skin irritation method, 315 Melanin absorption spectrum uv range, 347 Melting point reaction of dehydroacetic acid sodium salt and formaldehyde, 85 Menthol flavor reIease dentrifice abrasives, 305 Menthane flavor release dentrifice abrasives, 305 Mesomorphs lipid properties, 159 Methandienone effect on acne vulgaris, 259 Methanol concentration determination retinyl palmitate, 235 dilutant calibration standards, 329 emulsion vehicle and vasoconstrictor activity, 139 reagent nitrosoalkanola_mine reagent, 133 Methodology atomic absorption spectroscopy silicones on human hair, 383 autoradiography stratum corneum penetration, 283 chlorination procedures effect on hair, 93 damaged-skin model skin irritation, 315 elemental analysis reaction of dehydroacetic acid and formaldehyde, 85 equilibrium, isoplethal method phase properties, 159 evaporimeter volatility of hydrocortisone 17-valerate, 139 forearm wash tests mildness, 355 fourier analysis hair growth rate, 27 gas chromatography determination of n-nitrosoalkamines in alkanolamines, 133 quantitative assay, 329 gravimetric dandruff scaling, 179 headspace-gas chromatographic analysis availability of dentrifice flavor oil, 305 headspace gas chromatography, 1 H-NMR reaction of dehydroacetic acid and formaldehyde, 85 in vitro transepidermal water loss, 107 karl-fischer titration shampoo analysis, 191 liquid scintillation counting stratum corneum penetration, 283 lyotrope gradient method phase properties, 159 macrophotography clinical condition of skin, 121 mass spectrometry reaction of dehydroacetic acid and formaldehyde, 85 modified flow-through diffusion apparatus, 107 near-infrared reflectance analysis process control of shampoo, 191 non-invasive exfoliative cytology physical properties of corneocytes, 53 normal stress viscosity measurement, 241 oil film integrity evaluation W1/0/W2 emulsions, 211 potentiometric titration cocamidopropylamine oxide content, 69 silicone elastomer skin topography replication, 225 temperature gradient method phase properties, 159 time-resolved x-ray diffraction phase identification, 159 titanometric titration combined with two-phase titration cocamidopropylamine oxide content, 69 twist measuring friction, 93 viscosity of semisolids, 241 visual evaluation of skin irritation, 315 weighing volatility of hydrocortisone 17-valerate, 139 x-ray analysis reaction of dehydroacetic acid and formaldehyde, 85 Methoxypsoralen reservoir formation in skin 5-MOP, 8-MOP, 169