324 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Polyquaternium-6 Hair adsorption, 57, 127 Polyquaternium-7 Hair adsorption, 57, 127 Polyquaternium- 10 Hair adsorption, 57, 127 Hair conditioning, 72 Micelies, 23 Polyquaternium- 11 Hair, 93 Hair adsorption, 57, 127 Polyquaternium-22 Hair adsorption, 57, 127 Polyquaternium-28 Hair adsorption, 57, 127 Polyquaternium-29 Hair adsorption, 57 Polyquaternium-39 Hair adsorption, 127 Polyquaternium-47 Hair adsorption, 127 Preservation Method, 62 Preservation, natural Overview, 66 Preservatives Frequency, 67 Microbial tolerance, 64 Properties Pig skin, 175 Propylene oxide/ethylene oxide copolymers Analysis, 59 Quaternary compounds Skin irritation, 307 Review articles Quaternary compounds--Skin irritation, 307 Surfactant/skin interactions, 253 Rheology Method, 61 Safety Urocanic acid, 151 Scanning calorimetry AHA, 165 Seborrheic dermatitis Treatment, 117 Sebum production Dandruff shampoos, 117 Selenium sulfide Antidandruff shampoos, 117 Sensitive skin Analysis, 52 Shampoos Sebum production, 117 Silicones Organofunctional, 1 Skin Sensitive, 52 Storage, 175 Surfactant damage, 219 Surfactant interaction, 253 Skin aging Wrinkles, 297 Skin barrier integrity Method, 175 Skin conditioners Urocanic acid, 151 Skin dryness Cigarette smoke exposed skin, 235 Skin hydration Echogenicity, 243 Skin irritancy Method, 141 Skin irritation Quaternary compounds, 307 Surfactants, 253 Skin moisturization Echogenicity, 243 Skin penetration, see Percutaneous absorption Skin properties AHA, 53 Cigarette smoke exposed skin, 235 Skin swelling Surfactants, 253 Soap Skin properties, 219 Sodium chloride Preservation, 66 Sodium lactate Stability with AHA, 165 Sodium laureth-2 sulfate Skin irritancy, 141 Sodium laureth-7 sulfate Skin irritancy, 141 Sodium lauryl sulfate Polymer interactions, 23 Skin irritation, 307 Solution properties Surfactants, 71 Sorbie acid Stability with AHA, 165 Sorbitol Stability with AHA, 165 SPF Testing, 289 Split ends Mechanism, Stability Glycolic acid, 165 Lactic acid, 165 Statistics Meta-analysis, 283 Stearalkonium chloride Skin irritation, 307

SUBJECT INDEX 3 2 5 Stearic acid Stability with AHA, 165 Storage Pig skin, 175 Stratum comeurn Surfactant interaction, 253 Surfactant damage, 219 Sugar Preservation, 66 Sun exposure Cigarette smoke exposed skin, 235 Sunlight Hair, Effects on, 79 Sunscreen products Urocanic acid, 151 Sunscreens In vitro testing, 289 Surfactant residues Letters to the editor, 159 Suffactants Function, 69 O/W emulsions, 74 Skin interactions, 253 Skin irritation, 307 Skin properties, 219 Solution properties, 71 Surfactant/skin interactions Review article, 253 Synthesis 6,6-Dimethylbicyclo[3.1.0]hexane, 107 TEWL (transepidermal water loss) Cigarette smoke exposed skin, 235 Skin irritancy, 141 Surfactant damage, 219 Thermal analysis Method, 61 Thiocatechol derivatives Hair dyes, 133 Titanium dioxide SPF testing, 289 Tocopherol Preservation, 66 Transepidermal water loss, see TEWL Urocanic acid Photochemistry, 151 UV-B radiation Wrinkles, 297 Wrinkles Cigarette smoke exposed skin, 235 Method, 297 Zinc pyrithione Antidandruff shampoos, 117