SUBJECT INDEX 471 Salicylates ultraviolet absorbance shift, 209 Salicylic acid (SA) effect on corneocyte adhesion, 21 stratum corneum turnover time, 321 Saline skin samples electrical conductivity, 63 with sodium fluorescein hair growth rate, 77 Salmonella didecylmethylamine oxide genotoxic activity, 43 Salts of acrylic copolymerization of keratin fibers, 263 metallic aluminum anhidrosis, 109 Scanning electron microscopy (SEM) film presence on fiber surface, 247 hair surface, 263 Scattering sepia eumelanin appearance, 179 5-s-cysteinyl DOPA pheomelanin formation hair color, 179 Sebum absorption of hydrophilic compounds skin, 397 Sebum excretion rate (SER) skin biophysical characterization, 171 Semisolids fluidity measurement ESR technique, 1 Sensory cream and lotion evaluation, 443 Shampoos damage keratin fibers, 233 didecylmethylamine oxide, 43 preservative stability, 307 Shape ESR signal fluidity in semisolids, 1 Shaving irritation, 353 Shear test method in semisolids, 1 Shine skinfeel approach creams and lotions, 443 Shrinkproofing wool chlorination, 371 Silane surface polymerization of keratin fibers, 263 Silica alumina cosmetic pigments effect on preservative bactericidal activities, 83 Siloxanes quantitation keratin fibers, 247 Skin aging percutaneous absorption, 141 animal models irritation, 353 barrier function, 397 bioconversion provitamin, 333 care products skinfeel analysis, 443 conditioner Quatrisoft Polymer LM-200, 353 conductance, 171 excised effect of barrier creams on electrical conductivity, 63 feel characteristics, 353,443 fluorescence dansyl chloride, 321 irritation, 353, 451 copolymer synthesis, 419, didecylmethylamine oxide, 43 living skin equivalent, 141 microbial populations efficacy of topical deodorants, 223 microrelief aging index, 145 permeation, 333 sunlight effect, 193 tanning ultraviolet radiation, 11 tissue barrier properties, 295 Smell, 141 Smoothness depilatory activity thermochemical analysis, 287 Soap bar irritancy response, 153,451 Sodium dehydrogenation d-limonene, 385 Sodium bicarbonate copolymer synthesis, 419 Sodium dodecylbenzene sulfonate effect on corneocyte adhesion, 21 Sodium dodecyl sulfate (SDS) effect on corneocyte adhesion, 21 hair absorption, 353, mechanical properties, 263, triboelectric charging, 341 sample preparation ESCA of polymers on hair, 233 treatment on stratum corneum membranes adsorption, 295 Sodium fluorescein hair growth rate, 77 Sodium hypochlorite chlorine solution effect on human hair, 371 Sodium iodoacetate hair reduction, 99 Sodium laurate effect on corneocyte adhesion, 21 Sodium lauryl sulfate (SLS) skin samples electrical conductivity, 63 Sodium salicylate skin penetration, 397 Sodium salt percutaneous absorption stratum corneum, 397 Sodium sulfite setting treatment extension of permed hair, 125 Soil tolerance shampoos, 43 Solubility alkali keratin fiber chlorination, 359 alkyldimethylamine oxide, 43 pigment characteristic hair bleaching, 179 provitamin bioconversion, 333 sunscreen-solvent combination, 209 water ternary nonionic surfactant systems, 419 Solution aqueous corneocyte adhesion, 21, provitamin, 333, soap irritation, 153, viscosity, 295 chlorine hair treatment, 359, 371 depilatory action thermochemical analysis, 287 detergent electrical conductivity of skin, 63 properties synthesized copolymers, 419 stability vitamin C and vitamin E, 333 stratum corneum disruption SDS/C•2DMAO, Triton X- 100, lipids, keratolytic agents, protein denaturing, 21 triethanolamine/diethanolamine nitrite reaction, 29 Solvent hair physical properties, 263

472 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS lipid stratum corneum disruption, 21 plasticization collagen, 163 stratum corneum membrane lipid removal, 295 sunscreen chemical, 193, efficacy, 209 Sorbitan monostearate HLB-value determination copolymer synthesis, 419 Spectrophotometer measurement atmospheric levels of NO 2, 29 Spectroscopic technique electron spin resonance, 1 Spectrum alkyldimethylamine oxides, 43 di-t-butylnitroxide in ethanol ESR spectra, 1 hair coloring bleaching, 179 hair elements, 233 infrared absorption linalool decomposition, 385 siloxane deposition on keratins, 247 skin polymers and lipids, 295 ultraviolet absorption sunscreen chemicals, 209 Spreadability skin care products, 443 Stability cosmetic products shampoo preservative, 307 hair extensional properties, 125 permanent waving, 125 synthesized copolymers emulsifiers, 419 water-in-oil-in-water multiple emulsions, 353 Staphylococcus aureus death rate shampoo preservative stability, 307 test organism interaction of cosmetic pigments with preservatives, 83 bacteria growth efficacy of triclosan, 223 toothpaste, 435 Static coefficient hair friction, 263 relaxation tests rubber deformation, 125 Stearalkonium chloride rinse solution comparisoti of alkyldimethylamine oxides, 43 Stearic acid barrier cream component skin conductivity, 63 n-nitrosodiethanolamine formation, 29 Stearyldimethylamine oxide physical properties (see didecymethylamine oxide), 43 Stick-slip profile frictional properties viscoelastic fibers, 371 Strain keratin fibers mechanical properties, 263 Stratum corneum aluminum complex sweat gland inhibition, 109 barrier function, 397 biophysical properties, 171 disruption, 21 electrical resistance effect of sodium lauryl sulfate, 63 keratinized living skin equivalent, 141 membranes polymer and lipid adsorption, 295 turnover time dansyl chloride fluorescence, 321 Stress depilatory activity thermomechanical analyzer, 287 fluidity in semisolid systems, 1 hair extension, 125, fiber charge density, 341 strain methods mechanical properties of keratin fibers, 263 Stretching hair fiber depilatory activity, 287 Structure hair damage, 263 sunscreen chemicals shifts in absorbance, 209 Substantivity conditioning polymers on hair substrate, 233 humectants, 353 Substituents effect on sunscreen materials, 193 Substrate hair substantivity of conditioning polymers, 233 Sulfacetamide antimicrobial activity mouthwash, 435 Sulfonate hair adsorption, 233 Sulfur acid group disulfide band scission, 359 hair fiber spectra polymers, 233 spectrum untreated skin, 295 Sulisobenzone sunscreen chemical, 193, absorbance, 209 Sulphur stratum corneum turnover time, 321 Sunburn cell formation effect of bergamot oil, 11 Sunlight exposure effects on skin, 193, protective value of bergamot oil, 11 microrelief periorbital and leg skin, 145 Sunscreens, 193, formulation, 11, solvent efficacy, 209 Supercontraction solvents hair damage, 263 Surface hair fiber properties triboelectric charging, 341 modification, 263 topical conditioning agents, 233 keratin fiber siloxane deposition, 247 morphology acid/chlorination, 371, wool/ chlorine reaction, 359 skin microrelief, 145 stratum corneum adsorption lipids, 295 tension measurements copolymer synthesis, 419 Surfactant anionic alkyldimethylamine oxide reaction, 43 concentration shampoo preservative testing, 307 effects on corneocyte adhesion (see solution), 21 hair surface charge generation, 341 in cosmetics interaction with preservatives, 83 nonionic emulsifier, 419, simulated