464 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Glyceryl p-aminobenzoate sunscreen chemical, 193 Glycidol solution copolymer synthesis, 419 Glycoprotein fourier transform infrared spectroscopy sweat gland inhibition, 109 Glycosaminoglycans properties, 353 Glycosphingolipids cellular proliferation, 141 Gram negative bacteria macconkey agar efficacy of triclosan, 223 Grooming damage keratin fibers, 247 Guinea pigs animal model depilatory studies, 287 skin turnover time, 321 stratum corneum adhesion, 21 Hair acylglutamate image analysis, 353 bleaching chemical, 179, photo, 179 chlorination effects, 353 coloring melanin, 353 conditioner Quatrisoft Polymer LM-200, 353, using didecymethylamine oxide, 43 depilatory preparation immersion activity, 287 extension properties, 125 fibers physical properties, 263, siloxane detection, 247 growth rate, 77 human chlorine interaction, 359, 371 reduction exogenous disulfide, 99 substrates substantivity of conditioning polymers, 233 treatment efficacy, 353 triboelectric charge combing, 341 Halogens hair chlorine effect, 359 Helium carrier gas t-butyl alcohol decomposition, 385 Hemoglobin chromophore erythema quantitation, 451 Hexane solvent hair physical properties, 263, sunscreen absorbance, 209 1,3,5-hexatriene molecular orbit theory ultraviolet absorption by sunscreens, 193 Hexylene glycol solvent sunscreen chemicals, 209 High performance liquid chromatography (HPLC) dosage determination bergapten, 11 preservative measurement in cosmetic pigmentation solutions, 83 shampoo preservative testing, 307 with refractive index detection n-nitrosodiethanolamine, 29 H-NMR analysis meth},l p-hydroxybenzoate effect of cosmetic pigments, 83 H202 hair bleaching solution, 179 Homeostasis skin barrier function, 397 Homomenthyl salicylate sunscreen chemical, 193, absorption, 209 Hormone hair growth rate, 77 Horny layer barrier function, 397 intercellular binding behavior, 21 Hues hair coloring, 179 Human facial surgery, 141 hair chlorine interaction, 359, 371, siloxane deposition, 247 stratum corneum turnover time, 321 sweat gland inhibition, 109 Humectants 353, hydrophilic surfactant, 419 Humidity keratin fibers mechanical properties, 263 Hydrocarbon group peak envelopes hair samples, 233 Hydrochloric acid pH adjustment extension of permed hair, 125 Hydrocortisone percutaneous absorption, 141 skin penetration, 397 Hydrogen ion concentration frictional effect on hair, 371 phenolic effect on methyl p-hydroxybenzoate, 83 Hydrogen peroxide bleaching hair color, 179 hair damage, 263 oxidation tertiary amine, 43 Hydrolysis reduced hair fiber, 99 Hydrolyzed animal collagen shampoo ingredient preservative testing, 307 Hydrophilic barrier creams effect on electrical conductivity of skin, 63 hair bleaching damage, 263 lipophilic balance values nonionic surfactant, 419 vitamin C compound, 333 Hydroxylation vitamin C prolyl and lysyl residues, 333 Hypochlorite ion cystine oxidation hair, 359 Hypsochromic shifts in sunscreen chemicals, 209 Hysteresis ratio hair damage mechanical properties, 263 Ichthiosis corneocyte adhesion, 21 Image analysis effect of acylglutamate on hair, 353 Iminolactone bromination peptide bond cleavage, 359 Immersion experiments hair reduction rate, 99 polymer solution, 295 stratum corneum disruption sodium dodecylsulfate/N,N-dimethyldodecylamine oxide mixture, 21

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