402 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Permeants methylparaben, 231 theophylline, 231 Peroxidation membrane lipid vitamins, 119 Perspiration effect on dyed hair, 65 Petrolatum composition of washing bars irritancy potential, H lotion effects on skin, 1 lotion composition preservative efficacy testing, 193 oil-in-water lotion dry leg regression studies, 151 synthesis of amide derivatives water retention in stratum comeum, J Petroleum ether alkylation procedure hair, 91 acid perspiration hair color, 65 cleanser composition evaluation of, 33 dansyl chloride assessment of hair damage, F emulsion synergy of preservative system components, A formulation skin penetration, 41 inoculum preparation preservative efficacy testing, 193 lotion effects on skin, 1 preparation of cosmetics-carrying liposomes, 51 shampoo metal salts, 65 Tris HCL extraction procedure for hair protein, 91 Pharmaceuticals chemical ingredients comedogenicity, E formulations effect of solvents on solute penetration, 231 incorporation of liposomes, 51 Phenol saline solutions synergy of preservative system components, A skin penetration, 41 Phenolic compounds antioxidants immunity, 101 Phenolic hydroxyls dansylation of hair damage assessment, F Phenoxyethanol preservative system lotion, 193 synergy of preservative system components, A Phenylalanine proteins of hair, 91 2-phenyl-14-benzimidazole-5-sulphonic acid sunscreen formulation photoprotection, 127 2-phenyl-5-methylbenzoxazole sunscreen formulation photoprotection, 127 Pheomelanin hair protein content, 91 Phosphate buffer index of inflammation, 109 Phosphatidyl-choline amphiphiles lipid bilayer vesicles, 51 Phospholipid liposome structure, 51 liposome/surfactant interaction skin irritation (abstract), 243 Photoacoustic spectroscopy measurement of water content in vivo, 151 Photoprotection sunscreen long-wavelength ultraviolet radiation, 127 Photostability dyes, 65 Physical hair properties, C, structure integrity and cosmetic appeal, F Physical properties glyceryl monostearate syneresis of oil-in- water cream, 215 membrane permeability solvent contact, 231 Physicochemical properties glyceryl monostearate stability of oil-in-water cream, 215 Pig skin temperature and water effects, 1 Pigment melanin hair color, 65 Plasticization desorption skin, 1 Plate count agar inoculum preparation in preservation testing, 193 Polarity liposome assembly, 51 •sebum components removal from hair by surfactants, C synthetic pseudoceramide structure effect on water retaining properties of stratum comeum, J Polyacrylic acid resin antimicrobial activity nonionic o/w lotion, A Poly-beta-hydroxybutyrate (PHB) pseudomona cepacia synergy of preservative system components, A Polydimethylsiloxane membranes solute flux effected by aliphatic alcohols, 231 Polyethylene glycol comedogenicity and in'itancy skin care product ingredients, E solvents effect on solute penetration in skin, 231 Polymer surfactant interaction (abstract), 243 Polyols solvent effect on solute penetration, 231 Polypeptides hair electrophoretic analysis, 91 Polyquaternium-7 composition of washing bars irritancy potential, H Polyquaternium-10 shampoo composition hair softness and roughness, I Polysorbate 60 oil-in-water cream preparation stability, 215 Porcine skin water-binding, 151 Polydimethy siloxane sheeting skin penetration, 41 Potassium synthesis of amide derivatives water retention in stratum corneum, J

SUBJECT INDEX 403 Potassium cocoate soap composition antimicrobial activity, G Potassium hydroxide soap composition antimicrobial activity, G Potassium soap composition of washing bars irritancy potential, H Postassium tallowate soap composition antimicrobial activity, G Potential enhancement factor (PEF) lidocaine penetration skin, 41 Powder aqueous bacteria count, 21 hybrid body odor, B product technology raw material selection (abstract), 243 TCC deodorant in soaps, 75 Preparation cosmetics-carrying liposomes, 51 inoculum kinetics of bacterial death, 193 Preservative alteration of Ia+ epidermal immune cells, 101 comedogenic potential DMDM hydantoin and quatemium-15, 135 efficacy testing kinetics of bacterial death, 193 soap composition antimicrobial activity, G synergy of system components, A Pressure hydrodynamic technique flow resistance of hair, I Product development consumer driven (abstract), 243 Production sebum variation in, C Profile hair surface topography, 173 Profilometer measurement surface morphology of hair, 173 Profilometry study of hair surface, 173 Proline proteins of hair, 91 1-propanol effect on permeant flux theophylline, 231, methyl paraben, 231 Properties colored hair, 65 pseudoceramide water recovery in stratum corneum, J Propionic acid role in body odor, B Propylene glycol comedogenicity and irritancy skin care products, E effect on permeant flux theophylline, 231, methylparaben, 231 humectant hair softening effect, I lidocaine penetration skin, 41 lotion effects on skin, 1 lotion composition preservative efficacy testing, 193 oil-in-water cream preparation stability, 215 oil-in-water lotions dry leg regression studies, 151 Propylparaben preservative system lotion, 193 solute effect of solvent interaction on penetration, 231 Prostaglandins Ia+ Langerhans cell alteration, 101 Protection factors sunscreen, 127 Proteins alkylated human hair, 91 human hair soil surfactant removal, C stratum corneum viscoelasticity, 1 tagging of amino groups fluorescent technique, F water content near-infrared spectroscopy, 151 Proto$ol lidocaine penetration skin, 41 Pseudoceramides water recovery properties stratum corneum, J Pseudomonas synergy of preservative system components survival curve slope method, A Pseudomonas aches role in dandruff, 109 Pseudomonas aeruginosa bacterial content in cosmetics, 21 kinetics of bacterial death preservative efficacy testing, 193 synergy of preservative system components, A Pseudomonas cepacia bacterial content in cosmetics, 21 synergy of preservative system components efficacy testing, A Pseudomonas fluorescens bacterial content in cosmetics, 21 synergy of preservative system components efficacy testing, A Pseudomonas ovale dandruff, 109 Pseudomonas putida synergy of preservative system components efficacy testing, A Pseudomonas stutzeri synergy of preservative system components efficacy testing, A P$oria$is scalp pseudomonas ovale, 109 Pyrrolidone carboxylic acid sodium salt (PCA-Na) moisturizing agent cosmetics- carrying liposomes, 51 Qualitative hair cosmetics measurement of frictional drag and softness, I red-80 dye staining procedure cationics on keratin surfaces, 205 shaving closeness perceptual evaluation, 141 Quantitative adsorption experiment staining cationics on keratin, 205 analyses moisture in skin, 151 changes in Ia + antigenic cell membrane expression, 101 evaluation of hair set parameters (abstract), 243