SUBJECT INDEX 469 Peak fitting analysis hair samples, 233 Pearson coefficient irritation by soaps, 153 Peptides halogenation chlorine/hair interaction, 359 Percutaneous absorption drugs, 333, stratum corneum, 397 Perdeuteroacetone methyl p-hydroxybenzoate measurement, 83 Perfumes pigment/linalool reaction, 385 Permeability skin provitamin bioconversion, 333 stratum corneum, 397 Perming lotion hair reduction, 99 Petrolatum ESR signals DBNO, 1 white effect on electrical conductivity of skin, 63 pH aqueous mixture hair waving, 99 chlorination human hair, 371 depilatory action, 287 didecylmethylamine oxide in shampoos and conditioners, 43 effect of chlorination on hair, 353 effect on nitrosation, 29 hair bleaching solution, 179, effect on swelling measurement, 263 preservative action shampoo, 307 reaction medium halogen/fiber reaction, 359 reaction mixtures interactions of cosmetic pigments with preservatives, 83 sunscreening chemicals, 193 Phase diagram hydrophilic-lipophilic balance ternary nonionic surfactant/oil/water systems, 419 Phenol antimicrobial activity mouthwash, 435 2-phenylbenzimidizole-5-sulfonic acid sunscreen chemical, 193 phenylisocyanate hair damage mechanical properties, 263 Pheomelanin hair coloring, 179 Phospholipids personal care applications, 353 Phosphorus spectrum untreated skin, 295 Phototoxicity bergamot oil-containing sunscreen, 11 P-hydroxybenzoic acid esters bactericidal activities, 83 Physical blockers sunscreens, 193 Physical properties alkyldimethylamine oxides, 43 hair fiber damage, 263 human hair chlorination, 353,371, siloxane deposition, 247 keratin fibers chlorination, 359 polymeric materials crosslinking, 163 structure keratin fiber, 287 Pigs guinea hair growth rate, 77 skintanning ultraviolet radiation, 11 Pigmentation cosmetics bactericidal effects, 83 effect of sunscreen psoralen product, 11 linalool reaction perfumes, 385 2-pinene isomerization perfumes, 385 pKa alkyldimethylamine oxide, 43 Plasticization temperature depression collagen, 163 Polarity solvents effect on absorption data of sunscreens, 193, nitrosation of TEAM-stearate mixtures, 29, sunscreen efficacy, 209 Polycarbonate comb effects triboelectric charging of hair, 341 Polyethylene comb effect triboelectric charging of hair, 341 uncrosslinked, 163 Polyethylene glycol (PEG) base signals, 1 ointment base electroconductivity of skin, 63 solvent sunscreen chemical, 209 Polyglyceryl fatty acid esters emulsifier in cosmetics, 419 Polymers adsorption stratum corneum membranes, 295 AQ polymer dispersant for hydrophobic material, 353 hair electron spectroscopy for chemical analysis, 233, surface modification, 341, uptake, 263 siloxane deposition on keratins, 247 Polymeric material covalent crosslinks, 163 Polymerization hair treatment, 263 propylene oxide pigments, 385 Poly(oxyethylene) alkyl ether nonionic surfactants cosmetics, 419 Polyoxyethylene dodecyl ether effect on corneocyte adhesion, 21 Polyoxyethylene sorbital lanolin barrier cream component skin conductivity, 63 Poly(oxytetramethylene) poly(glyceryl) alkyl ether synthesized copolymers as emulsifiers, 419 Polypropylene uncrosslinked, 163 Polyquaternium aqueous solution hair treatment, 233 Polysiloxanes conditioning agent, 247 Polysorbate 20 shampoo ingredient preservative testing, 307 Porous sweat gland inhibition, 109 Potassium hydroxide barrier cream component skin conductivity, 63 Preservatives anionic skin cleansers, 353 bactericidal activities effects of cosmetic

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