SUBJECT INDEX 411 x-ray diffraction phase characterization, 159 Quantitative assay n-nitrosoamines, 329 dandruff scaling methodology, 179 flavor binding dentrifices, 305 near-infrared reflectance analysis, 191 optical discrimination in skin, 121 parameters of stratum comeum, 53 x-ray diffraction phase characterization, 159 Radioactivity [3H]-proline-labeled collagen penetration, 275 test compounds reservoir formation in skin, 169 tritium-labeled water, 107 Rat skin reservoir formation, 169 Rate transepidermal water loss, 107 weight loss chlorinated hair, 93 Reactor furnace temperatures optimization for nitrosyl radical, 329 Reagent atomic absorption spectroscopy assay siloxanes on hair, 383 emulsion vehicles and vasoconstrictor activity, 139 H202 in bleach treatment, 93 nitrosoalkanolamine determination, 133 Receptor phase native propionated collagen recovery of radioactive label, 275 Redness depolarized light optical discrimination, 121 skin condition evaluation, 355 Reflected light optical discrimination of skin, 121 Reflection spectroscopy optical discrimination of skin, 121 Reproducibility methodology silicones on hair, 383 profilometry of hair, 27 Reservoir formation in skin, 169 Refinoic acid effect on skin, 235 Retinoids topical effects of human skin, 53 Retinol skin development, 235 Retinyl palmitate concentration cosmetic formulation, 235 Rheology human skin adhesion, 225 Roughness hair surface, 27 Salicylic acid reservoir formation in skin, 169 Sampling headspace techniques volatile compounds, 1 Scaling dandruff, 179 effects of topical retinoids, 53 Scalp scaling, 179 volatile compounds headspace gas chromatography, 1 Scanning electron microscope human hair surface, 27 Scattering anisotropy optical discrimination of skin, 121 Seasonal variation of human stratum comeum, 53 Sebaceous gland stimulation dehydroepiandrosterone, 291 $eborheic dermatitis dandruff scaling, 179 $ebum production, 291 Self-image effect of cosmetics, 43 Self-perception effect of cosmetics, 43 Semisolids pharmaceutical and cosmetic viscosity, 241 $emms-Weinstein aesthesiometer ($WA) new model for skin irritation, 315 Sensory skin evaluation, 355 Sesame oil effect on water permeability, 107 Sex effect on soap treatment forearm wash test, 355 stratum comeum permeability, 15 Shampoo dandruff scaling methodology, 179 hair treatment, 27 process control near-infrared reflectance analysis, 191 Shear rate measuring viscosity, 241 Shear stress measuring viscosity, 241 Silica gel reagent nitrosoalkanolamine determination, 133 Silicones human hair atomic absorption spectroscopy, 383 Size corneocyte effects of topical retinoids, 53 distribution oil globules in emulsion, 211 Skin absorption eumelanin, 347 androgenic steroid effects production of propionibacterial enzyme, 259 composition effect of vitamin A, 235 cosmetic therapy, 43 glycerin treatment physical effects, 367 human cleansing products, 355 effect of artionic detergent, 267 effects of topical retinoids, 53 interactions with 2-(alkoyloxy) l-[(alkoyloxy)methyl]- ethyl-7-(4-heptyl-5,6)-dicarboxy-2- cyclohexene-l-yl) heptanoate, 283 improved optical discrimination, 121 irritation effect of anionic detergents, 267 new model, 315 moisturizing agents, 107 mouse penetration, 275 permeation relationship to comeocyte size, 15 vasoconstrictor activity, 139 reservoir formation, 169 surface model adhesion, 225

412 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS surface lipids (SSL) scalp, 1 hair, 1 Smoothness skin condition evaluation, 355 skin surface glycerin treatment on skin, 367 Soap forearm wash test, 355 Sociological cosmetic therapy for skin, 43 Sodium chloride emulsion vehicles and vasoconstrictor activity, 139 oil film integrity ion release, 211 Sodium laurate bar soap mildness, 355 Sodium lauryl sulfate in hydrocortisone 17-valerate cream, 139 reference analytical methods process control of shampoo, 191 solution in dye treatment, 93 Sodium nitrate reference analytical methods process control of shampoo, 191 Sodium phosphate buffer protein binding, 169 emulsion vehicles and vasoconstrictor activity, 139 Sodium sulfate reagent nitrosoalkanolamine determination, 133 Sodium sulfite silicone on hair, 383 Sodium tetrapropylenebenzenesulphonate solution in two-phase titration, 69 Solid reference analytical methods process control of shampoo, 191 Solubility marker selection oil film integrity, 211 organosiloxane organic solvents, 383 reservoir formation in skin, 169 Solubilizer propylene glycol in hydrocortisone 17-valerate, 139 Solution aqueous analysis of cocamidopropylamine oxide, 69 glycerol, 367 reaction of dehydroacetic acid and formaldehyde, 85 silicones on hair, 383 sodium lauryl ether sulfate, 179 chlorine effect on hair, 93 detergent comeocyte sampling, 15 isotretinoin-acetone exfoliative cytology, 53 sodium lauryl sulfate dye treatment, 93 sodium tetrapropylenebenzenesulphonate in two-phase titration, 69 Solvent organic silicones on hair, 383 with lipid mesomorphic phases, 159 Sorbic acid emulsion vehicles and vasoconstrictor activity, 169 Sorbitan mono-oleate surfactant stability of multiple emulsions, 211 Sorbitol effect on flavor binding of abrasives, 305 Spectrum H-NMR reaction of dehydroacetic acid sodium salt and formaldehyde, 85 human melanin absorbance, 347 polarized reflected light optical discrimination, 121 Spreadability emulsion vehicles cosmetic acceptance evaluation, 139 Stability mesomorphic phases lipids and oils, 159 microemulsions, 201 multiple emulsions, 211 physical emulsion vehicles, 139 preservative mixtures, 85 Stabilizer stearyl alcohol in hydrocortisone 17-valerate, 139 Stanozolol effect on acne vulgaris, 259 Static sampling volatile compounds, 1 Stearyl alcohol in hydrocortisone 17-valerate, 139 Steroids adrenal topical preparation, 291 anabolic effect on enzyme production and development of acne vulgaris, 259 Stochastic damage hair waviness, 27 Stratum comeurn exfoliative cytology techniques and applications, 53 penetration, 275 283 permeability, 15 physical effects glycerol, 367 reservoir formation in skin, 169 skin irritation surfactants, 267 water content, 225 Streptomycin collagen sample maintenance, 275 Stress viscosity measurement semisolids, 241 Structure interaction between dehydroacetic acid sodium salt and formaldehyde, 85 surface profile of hair, 27 Styli axe-shaped and pyramidal surface profilometry, 27 Sunscreen skin protection, 43 Superfatting bar soap composition forearm wash test, 355 Surface active amine oxides commercial products, 69 hair, 27 lipids headspace sampling, 1 model skin adhesion, 225 skin effects of corneocyte distribution, 15 effect of retinyl palmitate, 235 effects of topical retinoids, 53 skin profile smoothing, 367 tension polar/lipid ratio, 225