390 JOURNAL OF COSMETIC SCIENCE Dipropylene glycol Skin moisturization, 57 Elastase inhibition Areca catechu extract, 285 Emulsions AHA, 257 Evaporational changes, 196 Formulations, 47 Skin permeation, 1 Stability, 61 Surfactant-free, 335 Erythritol Skin moisturization, 57 Ethnicity Hair properties, 186, 188 Ethyl 3-methyl-2-hexenoate Olfactory evaluation, 369 Ethyl 3-methyl-2-octenoate Olfactory evaluation, 369 Ethyl 3-methyl-2-pentenoate Olfactory evaluation, 369 Fluorescein Rinsability, 69 Formulations Hair spray, 58 Hydrogen peroxide formulation, 49 Sulfosuccinates, 44 Surfactant-free, 335 Fragrance ingredient Cross-adaption, 369 (E)-3,7,7-trimethyl-4-octen- 1-ol, 299 (Z)-3,7,7-trimethyl-4-octen- 1-ol, 299 Glycerin Hair treatment, 2 ! 3 Skin moisturization, 57 Glycolic Acid Percutaneous absorption, 23 Greasiness Skin moisturizers, 175 Hair cuticle, 42 Cuticle, 40, 213 Photochemistry, 309 Thermal stress, 223, 245 Hair analysis Method, 13 Hair cuticle Damage, 40, 42 Thermal Stress, 141,213 Hair damage Curling irons, 223 Permanent waves, 13 Photodegredation, 309 Thermal stress, 141, 190, 245 Hair dryers Damage, 141 Hair properties Ethnic variations, 188 Hair spray Testing, 58 Heat Hair damage, 223, 245 Hair degradation, 190 Humectants Skin moisturization, 57 Hydrogels Properties, 198 Hydrogenated jojoba oil Safety, 377 Hydrogen peroxide Formulation, 49 Hydrolyzed wheat protein Hair treatment, 245 Hydrolyzed wheat protein hydroxypropylpolysiloxane Hair treatment, 213 Hydroquinone Skin lightening, 208 Inflammation Areca catechu extract, 351 Skin aging, 55 Insect repellents Testing, 67 In vitro testing Percutaneous absorption, 192 Irritancy Testing, 63 Isopropyl myristate Skin permeation, 165 Jojoba oil Safety, 377 Kojic acid Skin lightening, 200, 208, 361 Kojic dipalmitate Skin lightening, 208 Lactic acid Percutaneous absorption, 257 Skin lightening, 200, 361 Laurylmethicone copolyol Physical properties, 89 Letter to the Editor Irritation, 137 Linear skin rheometer Skin, mechanical properties, 321 Liquid crystals Emulsions, 196 Skin permeation, 1 Magnesium ascorbyl phosphate Skin lightening, 200, 208, 361 Melanogenesis Areca catechu extract, 351 Methods Anionic surfactant rinsability, 69 Dental stain removal, 275 Emulsion stability, 61

SUBJECT INDEX 391 Hair analysis, 13 Insect repellents, 67 Percutaneous absorption, 192 Skin damage, 33 Skin lightening, 200, 202, 361 Skin, mechanical properties, 321 Skin moisturizers, 175 Skin permeation, 165 Soothing sensation, 115 Sunscreen photochemistry, 125 Urea/skin analysis, 155 3-Methyl-2-hexenoic acid Olfactory evaluation, 369 Methyl nicotinate Skin permeation, 165 Mineral oil Skin permeation, 165 Moisturizafion Sebum, 53 Mosquito repellents Testing, 67 Mulberry extract Skin lightening, 200 Percutaneous absorption Bovine udder skin model, 192 Glycolic acid, 23 Lactic acid, 257 Retinyl palmitate, 23 Vehicle effects, 165 Permanent waves Hair damage, 13 Photochemistry Hair, 309 Sunscreen agents, inorganic, 125 Photodegradation Hair, 309 Phototoxicity Hydrogenated jojoba oil, 377 Jojoba oil, 377 Poloxamer 407 Emulsions, 1 Polyacrylate polymer Hair treatment, 213 Polyacrylonitrile polymers Properties, 198 Polyethylenimine Hair treatment, 213 Polymers Skin interactions, 198 Polyols Skin moisturization, 57 Polyquaternium-24 Emulsions, 335 Polysorbate 60 Emulsions, 1 Potassium C12-alkyl phosphate Skin irritation, 194 Propylene glycol Hair treatment, 213 Percutaneous absorption, effects, 257 PVP/DMAPA acrylates copolymer Hair treatment, 245 Pyranine see Solvent green 7, Quaternium-70 Hair treatment, 245 Retinyl palmitate Percutaneous absorption, 23 Rheology Emulsions, 47 Hydrogen peroxide formulation, 49 Silicone surfactants, 89 Safety Hydrogenated jojoba oil, 377 Jojoba oil, 377 Sebum Skin moisturization, 53 Sensitive skin Overview, 52 Sensory evaluation Soothing, 115 Shampoos Claim substantiation, 65 Silicones Physical properties, 89 Silicone surfactants Physical properties, 89 Skin Lightening, 200, 202, 204, 208, 361 Physical properties, 321 Sensitive, 52 Urea content, 155 Skin aging Antioxidants, 55 Areca catechu extract, 285 Skin care Areca catechu extract, 285, 351 Skin care products Properties, 44 Soothing, 115 Testing, 63 Skin damage Sodium lauryl sulfate, 33 Skin hydration Bath oils, 343 Urea, 155 Skin inflammation Skin aging, 55 Skin irritation Surfactants, 194 Skin lightening Method, 200, 202, 361 Overview, 204 Testing, 200, 208