404 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Ornithine decarboxylase (ODC) 187 Oxalic acid nitrosamine analysis, 283 Oxidation ascorbic acid cosmetic whitening powder, 359 cis-dihydroxylation double bonds, 83 hair fibers surface deposits, 379 sulfide groups permanent setting of hair, 209 Oxybenzone sunscreen sun protection factor value, 141 Oxygen polymers, 23 radicals UV-induced skin tumors, 187 Oxytetracycline nitrosamine content, 283 Padimate O sunscreen sun protection factor value, 141 Palmitic sebum removal from hair, 335 stratum corneum lipid composition, 51 Palmitoleic stratum corneum lipid composition, 51 Papilloma/carcinoma UV radiation-induced skin tumor, 187 Paraffin waxes sebum removal from hair, 335 Parsol MCX sunscreen, 67 4-p-butyl-4'-methoxydibenzoyl methane UV- induced skin tumors sunscreen effect, 187 PEG 20 stearate surfactant oil-in-water emulsions, 1 Penetration human skin water and sodium lauryl sulfate, 227 Penetration temperature (Tpen) see structure of lameliar phase, 1 Pentane nitrosamine analysis, 283 Pentylnitrite nitrosamine analysis, 283 PEO polymer/surfactant interaction dialysis equilibrium, 23 Permanent setting human hair, 209 Permanent waving chemical composition skin irritant, 267 human hair, 123 Permeability cosmetic ingredients gloves, 267 iron-binding proteins skin, 187 stratum comeum lipid effect of sodium lauryl sulfate, 227 Permeation gel polymer/surfactant interaction, 23 Peroxides cosmetic whitening powder, 359 Pesticide residue detection limits, 283 Petrolatum Balsam of Peru skin irritant, 367 efficacy of skin moistufizer, 235 water/oil-type emulsion MDC-boehmite complex, 67 pH aqueous solution permeation studies of glyceryl monothioglycolate, 267 assay sensitivity of liposomes, 85 bending of hair, 123 DNA repair in skin, 85 free fatty acids association structure, 155 glycerol effect on stratum corneum lipid, nitrosation of amines, 283 see letters to the editor, 149 solution interaction of amine functional polymer and anionic surfactant, 213 surface deposits on hair, 379 waving solution application human hair, 209 Phagocytosis skin and immunity, 249 Pharmaceutical emulsions, 1 nitrosamine content, 283 Phase lipid transitions stratum corneum, 51 multiple oil-in-water emulsions, 1 Phase transitions amine functional polymer and anionic surfactant, 213 Phenanthroline axillary malodor, 173 Phenylalanine nitrosamine analysis, 283 Phenylazoaniline nitrosamine analysis, 283 Phenylene aliamines skin irritant, 267 Phenylhydrazine nitrosamine analysis, 283 Phosphate buffer histochemical procedure, 67 Phosphate-buffered saline (PBS) rapid test for skin moisturizers, 235 Phosphatidylcholine liposomes DNA repair in skin, 85 Phosphatidylethanolamine glycerol effect on stratum corneum lipids, 51 DNA repair in skin, 85 Phosphoric acid nitrosamine analysis, 283 Photoaging, 275 Photoallergic reactions, 275 Photochemical polymer/surfactant interaction, 23 reaction of diazo compounds, 93 Photodamage UV-induced skin tumors, 187 Phototoxic reactions, 275 Physical effects skin moisturizer, 235 human hair, 123 hydrocarbon chain state lameliar phase, 1 lipid state skin hydration, 51 properties powders, 197 sunscreens, 103 Pig (Guinea) epidermis glycerol effects on stratum corneum lipids, 51 skin injury assessment, 259 sunscreen effect, 67 Pigmentation abnormalities xeroderma pigmentosum, 85 UVA-induced sunscreen, 67 13-pinerie terpene odorous compounds, 93

SUBJECT INDEX 405 Piperazine nitrosamine content, 283 Plastic gloves permeation of cosmetic ingredients, protection against irritancy, 267 Plasticity horny layer stratum corneum lipids, 347 Pliability stratum corneum water effect, 235 P-menth-l-ene terpene odorous compounds, 93 P-methoxy cinnamate UV-induced skin tumors sunscreen effect, 187 P-nitrosodiphenylamine nitrosamine analysis, 283 Polar headgroup aqueous solution surfactant, 23 ionic surfactant structure, 155 Polarity nitrosamine analysis, 283 Polarized light microscopy effect of glycerol on lipid, 51 Polar lipids oil-in-water emulsions lamellar phases, 1 Polyacrylamide (PAAM) polymer/surfactant interaction, 23 Polyamines UV-induced skin tumors, 187 Polychlorinated biphenyls (PCB) detection limit, 283 Polyethylene powder texture, 197 scrub cream removal of stratum corneum, 111 Polyethylene oxide (PEO)/sodium dodecylsulfate (SDS) pairs transition reactions, 23 Polymer amine interaction with anionic surfactant, 213 cationic surface hair deposits, 379 interaction with surfactant, 23 Polymer/surfactant interaction, 23 Polyols effect on stratum corneum lipid, 51 Polyoxyethylene (POE) chains consistency oil-in-water emulsions, 1 Polyoxyethylene group aqueous solution surfactant, 23 Polyquaternium 10 (PQ-10)/sodium dodecyl sulfate (SDS) polymer/surfactant interaction, 23 Polyvinyl acetate (PVAc) polymer/surfactant interaction, 23 Polyvinyl alcohol (PVOH) polymer/surfactant interaction dialysis equilibrium, 23 Polyvinyl pyrrolidone (PYP)/sodium dodecylsulfate (SDS) pairs surface tension method, 23 Potassium nitrate stratum corneum lipid composition, 51 Powder ascorbyl dipalmitate differential scanning calorimetry, 359 hybrid body malodors, 197 Precipitation polymer/surfactant interaction, 23 Preparation cosmetics association structure of surfactants, 155 oil-in-water emulsions, 1 sunscreen, 67 Preparative thin-layer chromatography studies (P-TLC) new odorous terpenes, 93 Pristane stratum corneum lipid composition, 51 Processing multiphase oil-in-water emulsions, 1 Profilometry removal of stratum corneum, 111 Propane nitrosamine analysis, 283 1,3-propanediol effect on stratum corneum lipid, 51 Properties bending relaxation human hair, 123 cosmetic formulation polymer/surfactant, 23 lamellar phase, 1 multi-phase oil-in-water emulsions, 1 physical powders, 197 Prophylactic drugs antivesicant skin injury assessment, 259 Propylene glycol effect on stratum corneum lipid, 51 Propylparaben lotion base sunscreen combination and sun protection factor, 141 Prostaglandin effect of MDC-boehmite complex, 67 skin and immunity, 249 Protection gloves against cosmetic ingredients, 267 Protein apocrine sweat odor, 173 chemical sensitivity skin and immunity, 249 hair structure permanent setting, 209 human stratum comeum structure, 347 Psoralen sunscreen efficacy, 275 Psoriasis skin and immunity, 249 Pullulan inhibition of aryl sulfatase and beta- glucuronidase axillary malodor, 173 PVP polymer/surfactant interaction dialysis equilibrium, 23 P-xylene-bis-pyridinium bromide (DPX) sensitivity of liposomes assay, 85 Pyridine nitrosamine analysis, 283 Pyrimidine dimers in DNA repair of, 85 2-pyrollidone-5-carboxilic acid sodium salt efficacy as wrinkle diminisher, 243 Qualitative characteristic of surface hair deposits, 379 sunscreen protection range-finding method, 275 visual evaluation of skin injury, 259 Quantitative ascorbyl dipalmitate in cosmetic whitening powders differential scanning calorimetry, 359 assay axillary malodor, 173