462 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS effects, half head technique, humans, 327 Hail. waving effects fibers, human, moisture loss on heat drying, in vitro, 27 HC Blue No. 1 absorption scalp, hair, and urinary excretion, monkeys and humans, 223 Heat, see Tempel.atul.e HLB, see Hydl'ophilic-lipophilic balance Humidity, see Moistul.e Hydl.ation skin emollients, effects, friction coefficient, methodology, humans, 55 Hydl.ogen chlol.ide hair human, absorption, acid, physical properties, 393 Hydl.ogen ion concentl.ation skin human, effects, moisture, stratum corneum, 175 hair human, effects, absorption, hydrogen chloride, sodium hydroxide, physical properties, bleaching, 393 Hydl'ophilic-lipophilic balance alkanolamines N-(3-alkyloxy-2- hydroxypropyl)-, and N-(3- alkyloyloxy-2-hydroxypropyl)-, 255 thermodynamics hydrophilicity, effects, association colloid behavior, ambiphilic molecules, systems, 371 N4,N4-bis-(2-Hydl-oxyethyl)-N'-methyl- 2-nitl'o-p-phenylenediamine, see HC Blue No. 1 Hypersensitivity, see A!lel'gies Incompatibilities diethanolamine and polysorbate 20 peroxidation, N-nitrosodiethanol- amine synthesis, effects, storage, 75 polysorbate 20 and diethanolamine peroxidation, N-nitrosodiethanol- amine synthesis, effects, storage, 75 ll'gasan DP-300, see Tl'iclosan Keltl'ol, see Xanthan gum Kel'atin hair solubilization, enzymatic digestion, evaluation, melanin isolation, human fibers, 137 Kinetics skin viscoelasticity, etTects, moisture and stretching rate, evaluations, hamsters, in vitro, 339 Magnesium aluminum silicate alone and with xanthan gum dispersions, rheology, thixotropy, stability, storage, 275 Mathematics optimization formulations, cosmetics and dosage forms, models, techniques, 287 viscoelasticity skin, effects, moisture and stretching rate, evaluations, hamsters, in vitro, 339 Mechanism of action aluminum chloride comparison, aluminum chlorohydrate, aluminum zirconium chlorohydrate glycine complex etTects, anhidrotic, inhibition site, methodology, humans, 67 aluminum chlorohydrate effects, human sweat glands, microscopy, 107 aluminum zirconium chlorohydrate glycine complexes effects, distribution, eccrine sweat glands, forearm tissues, humans, microscopy, 195 comparison aluminum chloride, aluminum chlorohydrate effects, anhidrotic, inhibition site, methodology, humans, 67 comparison aluminum chloride, aluminum zirconium chlorohydrate glycine complex etTects, anhidrotic, inhibition site, methodology, humans, 67 Melanin hair isolation, and analysis, evaluation, enzymatic digestion, human fibers, 137 Metabolism absorption, see Absol.ption excretion, see Excl.etion tissue levels, see Tissue levels Methodology aluminum chloride comparison, aluminum chlorohydrate, aluminum zirconium chlorohydrate glycine complex effects, anhidrotic, inhibition site, humans, 67 aluminum chlorohydrate comparison, aluminum chloride, aluminum zirconium chlorohydrate glycine complex etTects, anhidrotic, inhibition site, humans, 67 aluminum zirconium chlorohydrate glycine complex, effects comparison, aluminum chloride, aluminum chlorohydrate effects, anhidrotic, inhibition site, humans, 67 cosmetics skin, evaluations, effects, toxicity, methods, 231 nail preparations enamels, tests, evaluations, formulations, 43 optimization formulations, cosmetics and dosage forms, mathematical models, techniques, 287 perfumes photosensitivity, topical preparations, tests, in vitro, 303

SUBJECT INDEX 463 piroctone olamine, comparison, zinc pyrithione shampoos, and cream rinses, effects, half head technique, humans, 327 skin color, evaluations, variations, different body areas, Caucasian patients, colorimetry, 1 emollients, effects, friction coefficient, hydration, humans, 55 epidermis, area swelling, evaluations, technique, in vitro, 53 moisture, stratum corneum, human, measurements, 175 structure, and functions, effects, aging, evaluations, patients, 15 viscoelasticity skin, effects, moisture and stretching rate, evaluations, hamsters, in vitro, 339 zinc pyrithione, comparison, piroctone olamine shampoos, and cream rinses, effects, half head technique, humans, 327 4-Methoxy-m-phenylenediamine absorption scalp, hair, and urinary excretion, monkey and humans, 223 Microscopy aluminum chlorhydrate effects, mechanism of action, human sweat glands, 107 aluminum zirconium chlorohydrate glycine complexes body distribution, eccrine sweat glands, forearm tissues, humans, 195 Models formulations optimization, mathematical, cosmetics and dosage forms, techniques, 287 surface active agents alkyl ethers, carboxylated, properties, computer designing, 247 Moisture hair loss, effects, heat drying, fibers, human, in vitro, 27 skin effects, viscoelasticity, evaluations, hamsters, in vitro, 339 maintenance, temperature, relation, water vapor pressure, 95 stratum corneum, humans, factors affecting hydration, measurements, 175 Nail preparations enamels evaluations, tests, formulations, 43 N-Nitrosodiethanolamine synthesis reactions, diethanolamine and polysorbate 20, effects, storage, 75 Nuclear magnetic resonance, see Spectrometry, nuclear magnetic resonance Ointments undecylenic acid, combination, zinc undecylenate effects, antibacterial, tests, humans, 317 Oxidation polysorbate 20 reactions, diethanolamine, N-nitrosodiethanol- amine synthesis, 75 Perfumes toxicity photosensitivity, topical preparations, tests, in vitro, 303 pH, see Hydrogen ion concentration Pharmacokinetics, see Kinetics p-Phenylenediamine absorption scalp, hair, and urinary excretion, monkeys and humans, 223 Photosensitivity perfumes topical preparations, tests, in vitro, 303 Piroctone olamine comparison, zinc pyrithione shampoos, and cream rinses, effects, half head technique, humans, 327 Polyoxyethylene nonylphenols effects benzocaine, diffusion, stratum corneum, hairless mouse skin, 87 Polysorbate 20 reactions diethanolamine, peroxidation, N- nitrosodiethanolamine synthesis, effects, storage, 75 Powders calcium undecylenate effects, antibacterial, tests, humans, 317 Prescriptions accessories, see Surgical supplies Pressure air water vapor, relation, skin temperature, maintenance, moisture, 95 Proteinase PSF-2019 solubilization kerntin, melanin isolation, evaluation, human hair fibers, 137 Proteins melanin hair, amino acids, analysis, 137 Quality control, see Control, quality Race Caucasian skin, color, evaluations, variations, different body areas, patients, colorimetry, 1 Radiation skin effects, aging, evaluations, human cell cultures, 153 Rheology magnesium aluminum silicate alone and with xanthan gum, dispersions, stability, storage, 275 molecules ambiphilic, association colloid behavior, effects, HLB, hydrophilicity, thermodynamics, systems, 371 xanthan gum alone and with magnesium aluminum silicate, dispersions, stability, storage, 275 Rinses piroctone olamine, comparison, zinc