SUBJECT INDEX 465 Infrared spectroscopy linalool decomposition products, 385 Intensity fluorescence stratum comeurn turnover, 321 ratio ESR technique, 1 skinfeel approach creams and lotions, 443 In vitro change in hair color, 179 chemicals skin presentation, 397 corneocyte adhesion, 21 depilatory activity testing, 287 electroconductivity method effect of barrier cream, 63 hairless mouse skin bioconversion, 333 living skin equivalent basal lamina, 141 skin permeation bioconversion of provitamin, 333 stratum corneum aluminum chlorohydrate coordination, 109 transepidermal water loss moisturizer, 353 In vivo corneocyte adhesion, 21 depilatory solution activity longitudinal swelling of hair, 287 erythema quantitation, 451 measurements percutaneous absorption, 141 mucopolysaccharide effect on skin, 353 skin elasticity, 141 stratum corneum percutaneous absorption, 397 triclosan efficacy, 223 Ion carbonium dehydrated linalool, 385 chloride skin conductivity in sodium lauryl sulfate solution, 63 copper hair absorption measurements, 263 hypochlorite cystine oxidation, 359 nitrite nitrosating agent, 29 sodium skin conductivity in sodium lauryl sulfate solution, 63 Ionic interaction corneocyte adhesion, 21 metals in methyl p-hydroxybenzoate, 83 Irritation animal models skin, 353 bar soaps, 153 depilatory activity, 287 erythema scanning spectrophotometer, 451 nonionic surfactant cosmetics, 419 shaving, 353 Isoamyl p-dimethyl aminobenzoate sunscreen chemical, 193 Isobutene decomposition pigments, 385 Isomerization propylene oxide pigments, 385 Isopropanol solvent nitrosation rates, 29 Isopropyl alcohol dehydration, 385 Isopropyl myristate emollient aerosol sprays, 223 solvent nitrosation rate, 29, sunscreen absorbance, 209 Isopropyl palmitate solvent ultraviolet absorbance of sunscreens, 209 Isothiazolinones shampoo preservative testing, 307 Itching bar soap irritancy, 153 Kaolinite cosmetic pigments effects on preservative bactericidal activity, 83 degradation of linalool, 385 KBr powder DRIFTS siloxane deposition on keratins, 247 KCI phenolic hydrogen replacement H-NMR spectroscopy, 83 powder DRIFTS, 247 Keratin aluminum interaction sweat gland inhibition, 109 cytoplasmic protein hair color, 179 fiber chlorine effect, 359,371, reduction of disulfide crosslinks, 287, siloxane deposition, 247 hair hydrolysates, 99 permanent waving, 125 living skin equivalent, 141 Keratin-mercaptan reaction hair reduction, 99, waving, 263 Keratolytic agents see solution, 21 stratum corneum turnover time, 321 Kevlar polymers uncrosslinked, 163 Kinetics coefficient hair friction measurements, 263 degradation of vitamin provitamin bioconversion, 333 first order reaction loss of preservative system potency, 307 Knot strength test human hair chlorination, 371 Lactic acid soap materials irritation, 153 Lanolin emollients polymers and lipids on stratum corneum membranes, 295 Lanolin alcohol barrier cream component skin conductivity, 63 Lanthionine cystine oxidation hair-chlorine reaction, 359 Lauryl alcohol refluxing solution copolymer synthesis, 419 Lauryldiethanolamide shampoo formulations containing amine oxide, 43 Lavender oil linalool perfume, 385 Lawsone with dihydroxyacetone sunscreen chemical, 193 Lecithin agar supplement efficacy of triclosan, 223

466 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Length change in fiber bundle, 287 molecular movement crosslinking in collagen, 163 Limonene linalool decomposition, 385 Linalool pigment perfumes, 385 Linalyl acetate degradation, 385 Linear relationship fluidity in semisolids, 1, fluorescence intensity of skin, 321, in vivo percutaneous absorption, 397, skin conductivity in sodium lauryl sulfate, 63, thermochemical analysis of depilatory action, 287 Linear regression method preservative testing shampoo, 307 Lipid adsorption stratum corneum membranes, 295 cholesteryl sulfate in stratum corneum, 21 membrane peroxidation, 333 removal hair surface, 263 solvents corneum disruption, 21 Lipophilic cream ingredient effect on skin electrical conductivity, 63 solvent/sunscreen formulation, 209 surfactants emulsifying ability, 419 Vitamin E compound, 333 Liquid crystal in surfactant systems, 419 Liquid scintillation counting urinary excretion stratum corneum absorption, 397 Lotion evaluation skinfeel approach, 443 hair reduction exogenous disulfide, 99 measurement n-nitrosodiethanolamine, 29 process development technique, 353 protective value skin tanning, 11 Lumen sweat gland inhibition, 109 Macconkey agar dehydrated medium microbial activity, 435 Magnesium sulfate baiTier cream component skin conductivity, 63 Mammals hair color, 179 Mannitol salt agar dehydrated medium microbial activity, 435 Manufacturing of new products, 353 Mass spectroscopy linalool decomposition products, 385 Measurement aerobic bacteria efficacy of triclosan, 223 breaking strength, 21 decomposition perfumes over pigments, 385 elasticity stratum corneum, 21 electrical conductivity skin, 63 ESCA adsorption of polymers and lipids, 295 fluidity in semisolids, 1 hair growth rate, 77 longitudinal swelling of hair depilatory solution, 287 mean particle size of o/w emulsions, 419 metal ion concentration cosmetic pigments with preservatives, 83 molecular orientation in the cuticle hair damage, 263 percutaneous absorption stratum corneum, 397 rate of preservative death shampoo, 307 reflectance hair color, 179 sample creep crosslinking in collagen, 163 siloxane deposition on keratin surfaces, 247 skin microrelief aging index, 145 sunscreen absorbance effect of solvents, 209, lipophilicity, 209 transepidermal water loss ethoxylated coconut and tallow mono- and di-glycerides, 353 triboelectric charge distributions on hair, 341 viscosity amine oxides, 43 Mechanical properties collagen crosslinking, 163 hair cuticle, 263, surface charge generation, 341 keratin fibers chlorination, 359 skin elasticity, 141 stress skin microrelief, ! 45 Melanin hair coloring, 353, effects of weathering, 141 pigments mammalian hair, 179 production sunscreen preparation, 11 Melting point polyethylene glycol base fluidity in semisolids, 1 Membranes lipids bioconversion of vitamin C and vitamin E, 333 Menthyl anthranilate sunscreen chemical, 193, absorbance, 209 Mercaptan aqueous mixture hair waving, 99 Mercuric acetate hair damage mechanical properties, 263 Metal oxides pigments cosmetics, 385 Methacrylamide copolymerization keratin fibers, 263 Methacrylic acid copolymerization keratin fibers, 263 Methanol purification of hair samples triboelectric measurement, 341 solvent nitrosation rate, 29, physical properties of hair, 263 treatment stratum comeum disruption, 21 Methodology acetylacetone formaldehyde determination, 419 antimicrobial preservative effectiveness test skin cleanser, 353 capillary hair growth rate, 77 centrifugal sedimentation mean particle size of o/w emulsions, 419