520 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS quantification, 475, skin irritancy, 387 irritancy potential, 199 manufacture of, 501 polymer resistance skin, 73 rinsability, 89 skin care effects, 309 stratum corneum swelling, 125 Sodium soap composition tallowate, cocoate, cocoyl isethionate, isethionate, isostearoyl-2-1actylate, lauryl glyceryl sulfate, 89, 99 Sodium bromide epidermal membrane preparation, 35 Sodium carboxymethylcellulose solution emulsion stabilization, 329 Sodium cetyl sulfate emulsification test glycyrrhizins, 177 Sodium dihydrolipoate hair reduction, 461 Sodium hexadecyl sulfate surfactant irritation collagen swelling, 199 Sodium laurate swelling stratum corneum, 125 Sodium lauryl ether sulphate surfactant solution, 387 Sodium lauryl sulfate hair treatment, 489 assembly characteristics, 141 sanguinarine analysis, 279 shampoo base mold assay, 49 surfactant quality assurance, 445 swelling saturation, 125 toothpaste composition, 211 Sodium octyl surfactant irritation collagen swelling, 199 Sodium saccharin toothpaste composition sanguinarine analysis, 279 Sodium stearate antiperspirant formulations, 225 soaps comparison with surfactant bars, 309 Sodium sulfate emulsion stability gums, 329 Solubility aqueous gel suspensions polydimethylsiloxane membranes, 429 beta- and alpha-glycyrrhizins perfume materials, 177 dibenzylidene sorbitol in cosmetic toiletties, 225 emulsions, 502 melanin bleaching, 159 Solution acidic collagen swelling, 199, indo dyes, 1 alkaline collagen swelling, 199 aqueous bleaching reagents, 159, alpha- and beta-glycyrrhizins, 177 aqueous polyethylene glycol-saline stratum corneum electricity, 9 ethanol, 177 hair sample cleanser Soxhlet, sodium dodecyl sulfate, 111 HCL sample preparation for nitrosamine analysis, 267 hydrogen peroxide hair swatches, 1 2-hydroxyoctanoic acid plasticisation, 397 isopropanol photoacoustic measurements, 375 methanol-phenol concentration effects, 429 neutral collagen swelling, 199 soap pH value, 309 sodium bromide permeability assessment, preparation of epidermal membranes, 35 sodium carbonate pH adjustment, 359 surfactant swelling, 125 trypsin stratum corneum water uptake, 9 wet combing Gafquate-755, Triton X-400, 111 Solvent cyclomethicone dimethicone fluids, 73 organic dibenzylidene sorbitol, 225 stratum corneum effect on percutaneous absorption, 429 Sorbic acid pH, 49 Sorbitan stearate cosmetic base formulation skin penetration, 249 Sorbitol toothpaste composition, 211, sanguinarine analysis, 279 Sorption plasticisation stratum corneum, 397 skin surface cationic fluorescent dye, 309 stratum corneum isotherm data, 9 Spectrophotometry rinsability soap, detergents, 89 Spreading measurement stratum corneum uptake, 249 Stability antiperspirant formulations dibenzylidene sorbitol, 225 dye aminoindamine, 1 emulsions, 502 oil-in-water emulsions gums, 329 Staphylococcus aureus preservative efficacy cosmetic products, 481 Staphylococcus epidermis agar patch test method, 99 Stearalkonium chloride (SAC) hair creme rinse component, 141, manageability, 489 Stearate stick deodorant application aesthetics, 225 Steareth-100 gel formulation component stability, 225 Stearic acid gel formulation component stability, 225

SUBJECT INDEX 521 soap composition, 89 Stiffness hair single-fiber characteristic, 141 Stratum corneum cutaneous distribution linoleic acid, 191 hydration, 9 penetration radiolabeled agents, 249 percutaneous absorption solvent effects, 429 permeability in vitro, 35 phosphate activity 387 plasticisation 2-hydroxyoctanoic acid, 397 surfactant irritation collagen swelling, 199 swelling surfactants, 125 water loss, 351 Substantivity bleached wool felt absorption, 359 measurement polymers, 73 soap bars human skin, 99 Triton-X-400 hair, I 11 Sulci skin photoacoustic measurements, 375 Sulfate mold assay, 49 Sulfonation soap manufacture, 501 Sunscreen lotion in mold assay, 49 ultraviolet absorption spectra skin, 375 Surface activity alpha- and beta-glycyrrhizin, 177 Surfactant adsorption skin surface, 309 anionic quality assurance, 445 effect on transepidermal water loss, 9 emulsions non-ionic polyethylene glycol, 502 in dentrifice, 211 influence on skin, 387 irritation swelling response, 199 quaternary ammonium wet hair combing, 111 soap composition, 89,501 stratum corneum swelling, 125 Surfactant bars irritancy, 309 Swelling hair effects of depilatories, 461 stratum corneum surfactant structure effects, 125 surfactant irritation collagen films, 199 Syndet bars characteristics rinsability, irritancy, 89 Synthetic detergents syndet bars composition, 89 Talc mold assays, 49 Tallow soap surfactant swelling, 125 Tape stripping measurement stratum corneum uptake, 249 percutaneous absorption, 375 skin care efficacy soap, 309 stratum corneum phosphate activity, 387 Tartar toothpaste cleaning power, 21 I Taste sensory segmentation, 233 TEA + salts surfactant swelling lauryl sulfate, 125 Temperature gel formulations dissolution, 225 henna color intensity, 359 hydrophile-lipophile balance emulsions, 502 mold assay, 49 swelling stratum corneum, 125 water uptake stratum corneum, 9 Tensility hair reduction time, 461 Instron tester combing forces, 111 Tension interfacial glycyrrhizins, 177 Tergitol 25-L-7 surfactant swelling, 125 Tetradecyl sulfate surfactant irritation collagen swelling, 199 Textile microspectrophotometry dye distribution, 59 Thickness oil-in-water emulsions stability, 329 skin permeability, 351 stratum corneum hydration, 9, surfactant swelling, 125 water loss, 351 Thioglycolic acid (TGA) hair depilation, 461 reducing agent, 159 Threonine in melanin granule, 159 Time cutaneous distribution linoleic acid, 191 dye distribution profile, 59 hair bleaching, waving, 159, tensility, 461 henna color intensity, 359 skin viscoelasticity properties, 9 surfactants swelling, 125 Tintometer color assessment bleached wool felt, 359 Titanium dioxide toothpaste composition, 211 sanguinarine analysis, 279 Toiletries mold assay, 49 Toluene percutaneous absorption epidermal membranes, 35 Toluene scintillator distribution linoleic acid, 191 Toothpaste cleaning power assessment, 211 in mold assay, 49 sanguinarine analysis, 279 Toxicology hair dyes, 395 Transacetalation alcohol acetal decomposition, 225 Transepidermal water loss epidermis, 191