470 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS pigments, 83 microbial growth cosmetics, 435 stability in shampoo, 307 Production new products, 353 1-propanol solvent nitrosation rate, 29 Propylene glycol keratolytic solution stratum corneum disruption, 21 shampoo ingredient preservative testing, 307 solvent sunscreen absorbance, 209 Propylene oxide, 385 Propyl p-hydroxybenzoate (PP) cosmetic preservative bactericidal effects of pigments, 83 Proteins bands siloxanes on keratins, 247 denaturing agents (see solution), 21 in sweat glands, 109 Proteus mirabilis bacteria growth efficacy of triclosan, 223 Protons spectra of recovered methyl p- hydroxybenzoate methyl, 83, aromatic, 83 Provitamin skin bioconversion, 333 Pseudomonas aeruginosa death rate shampoo preservative stability, 307, test organism interactions of cosmetic pigments with preservatives, 83 bacteria toothpaste, 435 pseudosel agar efficacy of triclosan, 223 Psoralen sunscreen product protective value, 11 Qualitative hair reduction methodology, 99 microbial contamination personal care items, 435 scanning electron microscopy film on fiber surface, 247 skin pigmentation, 11 wavelength shifts ultraviolet absorption spectrum, 193 Quantitative decomposition microcatalytic reactor, 385 depilatory activity, 287 deposition of polymers on hair substrate, 233 diffuse reflectance method siloxane deposition on keratin surfaces, 247 erythema reflectance spectroscopy, 451 hair fiber reduction, 99 influence of triclosan topical deodorant products, 223 linear regression method shampoo preservative testing, 307 microbial content personal care products, 435 percutaneous absorption, 141 rate of hair growth, 77 skin fluorescence dansyl chloride, 321, permeation vitamin E, 333, vitamin C, 333 pigmentation, 11 Quaternary ammonia conditioning agents effect on keratin fiber, 247 Quatrisoft polymer LM-200 conditioner, 353 Rabbits didecylmethylamine oxide dermal LD5o , 43 skin irritation copolymer synthesis, 419 Radioactivity chemical absorption stratum corneum, 397 Rats didecylmethylamine oxide oral LD5o, 43 stratum comeum absorption membrane, 295, percutaneous, 397 tail tendon crosslinking, 163 Red hair color bleaching, 179 Red oxide of iron cosmetic pigmentation bactericidal effects on preservatives, 83 pigment linalool decomposition, 385 Red petrolatum sunscreen chemical, 193 Reduction hair, 141 damage, 263, exogenous disulfide, 99 chlorine in solution, 359 time preservative efficacy, 307 wet fiber extendability acid chlorination, 371 Reflectance spectroscopy erythema determination, 451 Relaxing hair changes in physical properties, 263 Reproducibility depilatory action via thermochemical analysis, 287 ESCA polymers on hair, 233 hair triboelectric charge distributions, 341 measurement of surface composition adsorption of stratum corneum membranes, 295 skinfeel technique creams and lotions, 443 Resorcinol aqueous solution copolymerization of keratin fibers, 263 stratum comeum turnover time, 321 Retinoic acid cell epidermal growth factor, 141 Rheology ground state viscosity, 1 stratum corneum, 21 Rinses distilled water stratum corneum absorption, 397 with didecylmethylamine oxide, 43 Rosin commercial depilatory preparation guinea pig skin, 321 Rubbing hair fibers charge density, 341, surface damage, 263 product evaluation skin-feel, 443 Sabouraud dextrose agar dehydrated medium microbial activity, 435

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