784 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS emulsions oil-in-water, surface active agents, selection, 457 water-in-oil, using polyglyceryl esters, 733 Friction skin in vivo, methodology, measuring technique, 37 Gels amino acids and surface active agents effects, w/o emulsion stability, 285 surface active agents and amino acids effects, w/o emulsion stability, 285 Germall 115, see Imidazolidinyl urea Goniophotometry hair luster, determination, 571 Hair bonds hydrophobic, role, hair modification, 231 dyes chromatography, thin layer, redox reaction products, 259 electricity effects, quaternary ammonium compounds on electrostatic charge, 549 fibers diameter, effects, cosmetic aspects, 139 tensile strength, in propanol-water mixtures, 695 keratin effects, permanent waves, 717 luster determination, using goniophotometer, 571 measurement, 601 substantivity relation, protein hydrolysates, molecular weight, 447 wettability fibers, hair, by water, 273 women scalp, fiber density, grouping and diameter, 219 Hair preparations shampoos effects, lack, age related baldness, 485 Heat, see Temperature History cosmetics future, prediction, 651 Humidity, see Moisture Hydrogen ion concentration skin pediatrics, effects, sunscreen agents, 103 Hydrogen peroxide colorimetry emulsions, hair bleach, 615 Hydroquinone topical preparations depigmentation agents, use, humans, 407 Hypersensitivity, see A!lergies Imidazole and derivatives effects, anti-irritant, topical preparations, cosmetics, 667 Imidazolidinyl urea analysis cosmetics, 497 and parabens lotions, cosmetics, preservatives, 83 Impurities, see Contamination Incompatibilities abrasives and fluorides toothpastes, 681 fluorides and abrasives toothpastes, 681 metals and trichloromonofiuoromethane odors, in nitromethane stabilized blends, aerosols, 765 trichloromonofluoromethane and metals odors, in nitromethane stabilized blends, aerosols, 765 Isopropanol, see Alcohols, isopropyl Isopropyl alcohol, see Alcohols, isopropyl Isopropyl myristate solvents cholesterol, solubility polarimetry, 79 toxicity cutaneous, and ocular, rabbits, 377 Isopropyl palmirate toxicity cutaneous, and ocular, rabbits, 377 4-Isopropylcatechol creams depigmentation agents, use, humans, 407 Isotherms benzene sorption, stratum corneum, 243 toluene sorption, stratum corneum, 243 Keratin permanent waves effects, reduction-oxidation, reactions, 717 Keratolytic agents benzoyl peroxide toxicity, studies, animals, and antibacterial effects, 533 Ketones 3-methylcyclohex-2-en- 1-ones alkyl substituted, synthesis and odor, 629 Lactic acid toxicity methodology, determining stinging capacity, humans, 197 Lauramide MEA toxicity studies, cosmetics, species variations, animals and humans, 741 Laws, see Legislation Legislation cosmetics effects, industry, 651 Legislation, laws and regulations, see Legislation Light transmission skin, guinea pig stratum corneum, 125 Lipids differential scanning calorimetry properties, human sebum, 317 skin surface, sampling, frosted glass and filter paper absorption method, 211 Lotions contamination microbiological, cosmetics, survey, 17 cosmetics perfumes, guinea pig sensitization tests, 367 Lubricants quaternary ammonium compounds effects, electrostatic charge, hair, 549 skin friction, in vivo measurement, 37 Luster hair determination, using goniophotometer, 571 measurement, 601

SUBJECT INDEX 785 Mechanism of action detergents toxicity, stratum corneum swelling, guinea pigs, 521 dihydroxyacetone skin, tanning, 25 films occlusive, transepidermal water loss, 481 surface active agents adsorption, and permeability, on keratinic proteins, 165 amphoteric, anti-irritant, effect, review, 667 Melanin metabolism mechanism, skin pigment production, 395 pigmentation skin, formation and distribution, review, 621 Methodology allergies perfumes, screening, guinea pigs, 53 antiperspirants use, emotional induced sweating, test panels, humans, 91 friction skin, in vivo, measurement technique, 37 hair effects, fiber diameter on appearance, 139 lipids skin, surface, frosted glass and filter paper absorption, sampling method, 211 skin bacteria, sampling, Replipad velvet axillary skin sampler, 21 stratum corneum, measurement of biochemical variations, 151 toxicity cosmetics, determining stinging capacity, humans, 197 cosmetics, excipients, cutaneous and ocular sensitivity, rabbits, 377 cosmetics, patch test, humans, 755 cosmetics, perfume sensitizing potential, guinea pig test, 357 cosmetics, perfumes, guinea pig sensitization test, 367 studies, cosmetics, species variations, animals and humans, 741 3-Methylcyclohex-2-en-l-ones synthesis alkyl substituted, using ethyl 2-methyl-4-oxocyclohex-2-ene- 1- carboxylate intermediate, 629 Moisture diffusion stratum corneum, comparison, organic solvents, 243 skin effects, light transmission, guinea pig stratum corneum, 125 Molecular weight protein hydrolysates relation, hair substantivity, 447 Myristamide toxicity studies, cosmetics, species variations, animals and humans, 741 Nails cosmetics and chemicals, toxicity, fingers and toes, 351 Octyl palmitate toxicity cutaneous, and ocular, rabbits, 377 Octyl stearate toxicity cutaneous, and ocular, rabbits, 377 Odors 3-methylcyclohex-2-en- 1-ones alkyl substituted, effects, substitution pattern and chain length, 629 trichloromonofluoromethane aerosols, nitromethane stabilized blends, metal containers, 765 Oleth 5 toxicity studies, cosmetics, species variations, animals and humans, 741 Oleyl alcohol, see Alcohols, oleyl Oxidation permanent waves effects, hair keratin, mechanism, 717 Packaging aerosols stability, odors, nitromethane stabilized trichloromonofluoromethane blends, metal containers, 765 Parabens analysis cosmetics, 497 and imidazolidinyl urea lotions, cosmetics, preservatives, 83 Particle size benzoyl peroxide formulations, effects, animal toxicity, 533 distribution aerosols, effects, formulation variables and valve / actuator design, 641 Pediatrics skin hydrogen ion concentration, effects of sunscreen agents, 103 PEG 7 glyceryl cocoate toxicity studies, cosmetics, species variations, animals and humans, 741 Perfumes allergies screening, methodology, guinea pigs, 53 3-methylcyclohex-2-en- 1-ones alkyl substituted, synthesis, using ethyl 2- methyl-4-oxocyclohex-2-ene- 1 carboxylate intermediate, 629 toxicity methodology, evaluating sensitizing potential, guinea pig test, 357 methodology, guinea pig test, 367 studies, shaving cream formulations, patch tests, humans, 755 Permanent waves mechanism of action hair, keratin, chemistry of reduction-oxidation steps, 717 Permeability surface active agents mechanism, on keratinic proteins, 165 pH, see Hydrogen ion concentration Pharmacogenetics cosmetics toxicity, stinging capacity, humans, 197 pigmentation relation, geographic location, 329 toxicity cosmetics, species variations, animals and humans, 741 Phenoxyethanol analysis cosmetics, 497 Phenoxyethyl alcohol, see Phenoxyethanol