SUBJECT INDEX 461 Cystein hydrochloride setting treatment extension of permed hair, 125 Cystine chlorination human hair, 371, keratin fibers, 359 cuticle structure hair damage, 263 hair chemical degradation, 141 radiolabeled hair growth rate, 77 Dansyl chloride skin fluorescence stratum corneum turnover time, 321 Decomposition linalool pigments, 385 Decyl oleate, octyl dodecanol barrier cream component skin conductivity, 63 Dehydration linalool perfumes, 385 Dehydroepiandrosterone skin penetration, 397 Dehydrogenation isopropyl alcohol, 385 Denaturation rat tail tendon crosslinking in collagen, 163 Density charge distribution hair fiber, 341 covalent crosslink hair bleaching, 263 polymers, 163 skin microrelief, 145 Deodorant effects on aerobic axillary microbial populations, 223 Depilatory activity determination thermomechanical analyzer, 287 guinea pig skin turnover time, 321 Deposition polymers hair, 233, keratin fiber treatment, 263, stratum comeum, 295 siloxanes keratin fibers, 247 Dermis chemical absorption, 397 irritation nonionic surfactants, 419 microrelief, elastic network, 145 stratum corneum adsorption, 295 Desquamation stratum corneum disruption, 21, turnover time, 321 Detergents anionic keratin fiber damage, 263 effect of barrier creams on the electrical conductivity of excised skin, 63 effect on comeocyte adhesion, 21 Dexamethasone skin penetration, 397 Diacyl chloride surface polymerization of keratin fibers, 263 Diamine aqueous solution surface polymerization of keratin fibers, 263 Dibromodienone spirolactone bromination peptide bond cleavage, 359 Dichloromethane solvent nitrosation rates, 29 Didecylmethylamine oxide (DDMAO) physical properties, 43 Diethanolamine n-nitrosation, 29 Diethanolamine p-methoxycinnamate sunscreen chemical, 193 Diethyl ether hair physical properties, 263 Diffuse reflectance infrared fourier transform spectroscopy (DRIFTS) siloxane deposition on keratin fibers, 247 Diffusion halogens keratin fibers, 359 Digalloyl trioleate sunscreen chemical, 193 Diisocyanate surface polymerization of keratin fibers, 263 Dimethyl sulfoxide protein-denaturing agent stratum corneum disruption, 21 Dioxybenzone sunscreen chemical 193, absorbance, 209 Dispersants nonionic surfactants poly(oxyethylene), 419 Distribution charge hair fibers, 341 linalool decomposition products by pigments, 385 pigment characteristics hair bleaching, 179 Disulfide crosslink reduction thioglycolate depilatories, 287 exogenous hair reduction, 99 halogenation chlorine/hair interaction, 359 sulfur hair surface, 263 Di-t-butylnitroxide (DBNO) in ESR technique, 1 Dithiodiglycolic acid ammonium thioglycolate solutions hair reduction, 99 Dl-a-tocopheroi-L-ascorbic acid sodium phosphate diester provitamin skin bioconversion, 333 D-!imonene oxide reaction over solid acids, 385 DMSO soap materials irritation, 153 Dodecyltrimethyl ammonium chloride effect on comeocyte adhesion, 21 Drag cream and lotion products skinfeel method, 443 Draize skin irritation test, 353 Dryness bar soap irritancy, 153 facial skin, 171 Dye chlorination keratin fiber interaction, 359 damage keratin fibers, 247 hair changes in physical properties, 263, coloring by melanin, 353 Dynamic relaxation tests rubber deformation, 125 Edema fluid accumulation nonionic surfactant, 419 Efficacy cosmetic hair treatment computer assisted infrared imaging, 353 depilatory preparations change with time, 287 dry skin skinfeel approach, 443 shampoo preservative stability, 307

462 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS sunscreens, 209 triclosan topical deodorant products, 223 Egypt personal care items microbial content, 435 Elasticity hair damage mechanical properties, 263 semisolids, 1 skin in vivo characterization, 141 stratum corneum stress-strain curves, 21 Electrodes laboratory setup for skin conductivity, 63 Electron molecular orbit theory, 193 transfer triboelectric charging of hair, 341 Electron microscopy silicone deposition on hair fibers, 247 Electron spectroscopy for chemical analysis (ESCA) hair surface, 263 silicone deposition on hair fibers, 247 stratum corneum adsorption, 295 substantivity of conditioning polymers hair substrates, 233 Electron spin resonance (ESR) measurement fluidity in semisolids, 1 Electrostatic properties of SDS/C•2DMAO mixture stratum corneum disruption, 21 Elongation hair fibers charge density, 341, depilatory action via thermochemical analysis, 287, stress-strain relations, 263 Emollients lipophilic surfactant moisturizer, 419 stratum corneum membrane lipid removal, 295 ultraviolet absorbance sunscreen chemicals, 209 Emulsifier polyoxyethylene surfactant cosmetics, 419 Emulsions aqueous n-nitrosation, 29 cosmetics carbomer modification, 353 ESR technique floccules, 1 silicone deposition on keratins, 247 stability water-in-oil-in-water, 353 Energy activation shampoo preservative system, 307 binding polymers and lipids on skin, 295 mechanical measurements hair damage, 263 transmission spectroscopy siloxanes on keratins, 233 Engineering biochemical, 351 Enzymes bioconversion of provitamin vitamin C and vitamin E, 333 oxidation of DOPA eumelanin, 179 Eosin methylene blue agar dehydrated medium microbial activity, 435 Epidermis barrier function effect of sodium lauryl sulfate, 63 cell damage, by ultraviolet radiation, 11 cell kinetics stratum corneum turnover time, 321 chemical absorption, 397 living skin equivalent, 141 phospholipids, 353 Equations Arrhenius chemical reaction rate by temperature, 307, ESR technique, 1 cell conductivity correlation, 63 correlation DRIFTS ban ratio and Si by AA, 247 Debye-stokes viscosity of semisolids, 1 diffuse reflectance siloxane disruption, 247 dismutation of superoxide amion bleaching agent, 179 first order reaction linalool decomposition, 385 flux per unit skin area and cumulative amount of vitamin, 333 force reduction hair extendability, 371 friction coefficient twist method, 371 hair bending recovery, 125, fiber recovery, 125, flexural stiffness, 125, force time diagram, 125, the extensional set, 125, time dependence of recovery, 125 inactivation degree bactericidal activity by cosmetic pigments, 83 keratin reduction, 99 nitrosation reaction, 29 oxidation with hydrogen peroxide, 43 polymer surface coverage, 295 relative absorbance of cleansers, 451 resistance barrier cream effect, 63 skin conductivity, 63 sunburn cell index, 11 twist method hair friction, 371 weight loss hair, 371 Equilibrium keratin reduction, 99 Erythema bar soap irritancy, 153 effect of sodium lauryl sulfate, 63, ultraviolet radiation, 11 quantitation scanning spectrophotometer, 45l skin injury nonionic surfactants, 419 Escherichia coli growth efficacy of triclosan, 223 rate of death shampoo preservative stability, 307 test organism interactions of cosmetic pigments with preservatives, 83 toothpaste, 435 Esters hydroxyl group alkanolamine, 29