JP4863411B2 - 水中油型乳化日焼け止め化粧料 - Google Patents
水中油型乳化日焼け止め化粧料 Download PDFInfo
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- 239000002537 cosmetic Substances 0.000 title claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 17
- 230000000475 sunscreen effect Effects 0.000 title claims description 11
- 239000000516 sunscreening agent Substances 0.000 title claims description 11
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 13
- -1 polyoxyethylene Polymers 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- ZSNLEVJATWJBLU-UHFFFAOYSA-N 2-tert-butyl-2-methoxy-1,3-diphenylpropane-1,3-dione Chemical compound C=1C=CC=CC=1C(=O)C(C(C)(C)C)(OC)C(=O)C1=CC=CC=C1 ZSNLEVJATWJBLU-UHFFFAOYSA-N 0.000 claims description 7
- YBGZDTIWKVFICR-JLHYYAGUSA-N Octyl 4-methoxycinnamic acid Chemical compound CCCCC(CC)COC(=O)\C=C\C1=CC=C(OC)C=C1 YBGZDTIWKVFICR-JLHYYAGUSA-N 0.000 claims description 7
- 229960001679 octinoxate Drugs 0.000 claims description 7
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 7
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 6
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 6
- 125000006353 oxyethylene group Chemical group 0.000 claims description 4
- 150000005215 alkyl ethers Chemical class 0.000 claims description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 34
- 239000003921 oil Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 20
- 239000006096 absorbing agent Substances 0.000 description 16
- 230000006750 UV protection Effects 0.000 description 9
- 239000000839 emulsion Substances 0.000 description 9
- 238000004945 emulsification Methods 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000007764 o/w emulsion Substances 0.000 description 6
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 6
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003995 emulsifying agent Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- DSSYKIVIOFKYAU-OIBJUYFYSA-N (S)-camphor Chemical compound C1C[C@]2(C)C(=O)C[C@H]1C2(C)C DSSYKIVIOFKYAU-OIBJUYFYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000013074 reference sample Substances 0.000 description 3
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- JGUMTYWKIBJSTN-UHFFFAOYSA-N 2-ethylhexyl 4-[[4,6-bis[4-(2-ethylhexoxycarbonyl)anilino]-1,3,5-triazin-2-yl]amino]benzoate Chemical compound C1=CC(C(=O)OCC(CC)CCCC)=CC=C1NC1=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=N1 JGUMTYWKIBJSTN-UHFFFAOYSA-N 0.000 description 2
- ZCTQGTTXIYCGGC-UHFFFAOYSA-N Benzyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OCC1=CC=CC=C1 ZCTQGTTXIYCGGC-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- OYFJQPXVCSSHAI-QFPUQLAESA-N enalapril maleate Chemical compound OC(=O)\C=C/C(O)=O.C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](CCC1)C(O)=O)CC1=CC=CC=C1 OYFJQPXVCSSHAI-QFPUQLAESA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 238000012623 in vivo measurement Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 229960000969 phenyl salicylate Drugs 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- CWLGEPSKQDNHIO-JOBJLJCHSA-N (e)-n-[(e)-benzylideneamino]-1-phenylmethanimine Chemical compound C=1C=CC=CC=1/C=N/N=C/C1=CC=CC=C1 CWLGEPSKQDNHIO-JOBJLJCHSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- WSSJONWNBBTCMG-UHFFFAOYSA-N 2-hydroxybenzoic acid (3,3,5-trimethylcyclohexyl) ester Chemical compound C1C(C)(C)CC(C)CC1OC(=O)C1=CC=CC=C1O WSSJONWNBBTCMG-UHFFFAOYSA-N 0.000 description 1
- AKTJCMJGFQVCKH-UHFFFAOYSA-N 3-(2-ethylphenyl)-2-methoxynon-2-enoic acid;octyl 2-methoxy-3-phenylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(OC)=CC1=CC=CC=C1.CCCCCCC(=C(OC)C(O)=O)C1=CC=CC=C1CC AKTJCMJGFQVCKH-UHFFFAOYSA-N 0.000 description 1
- RDBLNMQDEWOUIB-UHFFFAOYSA-N 5-methyl-2-phenyl-1,3-benzoxazole Chemical compound N=1C2=CC(C)=CC=C2OC=1C1=CC=CC=C1 RDBLNMQDEWOUIB-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 101000642333 Homo sapiens Survival of motor neuron-related-splicing factor 30 Proteins 0.000 description 1
- 235000002597 Solanum melongena Nutrition 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 102100036412 Survival of motor neuron-related-splicing factor 30 Human genes 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 229940062909 amyl salicylate Drugs 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- XNEFYCZVKIDDMS-UHFFFAOYSA-N avobenzone Chemical compound C1=CC(OC)=CC=C1C(=O)CC(=O)C1=CC=C(C(C)(C)C)C=C1 XNEFYCZVKIDDMS-UHFFFAOYSA-N 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- NYNCZOLNVTXTTP-UHFFFAOYSA-N ethyl 2-(1,3-dioxoisoindol-2-yl)acetate Chemical compound C1=CC=C2C(=O)N(CC(=O)OCC)C(=O)C2=C1 NYNCZOLNVTXTTP-UHFFFAOYSA-N 0.000 description 1
- TUKWPCXMNZAXLO-UHFFFAOYSA-N ethyl 2-nonylsulfanyl-4-oxo-1h-pyrimidine-6-carboxylate Chemical compound CCCCCCCCCSC1=NC(=O)C=C(C(=O)OCC)N1 TUKWPCXMNZAXLO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- GTABBGRXERZUAH-UHFFFAOYSA-N hexadecan-1-ol;2-methyloxirane;oxirane Chemical compound C1CO1.CC1CO1.CCCCCCCCCCCCCCCCO GTABBGRXERZUAH-UHFFFAOYSA-N 0.000 description 1
- 229960004881 homosalate Drugs 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229920000831 ionic polymer Polymers 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005645 linoleyl group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229960003921 octisalate Drugs 0.000 description 1
- WCJLCOAEJIHPCW-UHFFFAOYSA-N octyl 2-hydroxybenzoate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1O WCJLCOAEJIHPCW-UHFFFAOYSA-N 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 235000002316 solid fats Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8105—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- A61K8/8111—Homopolymers or copolymers of aliphatic olefines, e.g. polyethylene, polyisobutene; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A61K8/062—Oil-in-water emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/31—Hydrocarbons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/35—Ketones, e.g. benzophenone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/90—Block copolymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/21—Emulsions characterized by droplet sizes below 1 micron
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Emergency Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dermatology (AREA)
- Dispersion Chemistry (AREA)
- Cosmetics (AREA)
Description
(A)1〜7.5質量%のオクチルメトキシシンナメート、
(B)0.5〜4質量%のt−ブチルメトキシジベンゾイルメタン及び/又は2−ヒドロキシ−4−メトキシベンゾフェノン、
(C)0.5〜3質量%の下記一般式(1)又は(2)で示されるポリオキシエチレン・ポリオキシアルキレンアルキルエーテルブロックポリマー:
R10−(AO)m−(EO)n−H ・・・(1)
[式中、R1は炭素数16〜18の炭化水素基、AOは炭素数3〜4のオキシアルキレン基であり、AOとEOとはブロック状に付加しており、m、nはそれぞれAO、EOの平均付加モル数を意味し、m>4、n>10、かつn>mである];
R2O−(AO)p−(EO)q−R3 ・・・(2)
[式中、R2、R3は同一もしくは異なっていてもよく、それぞれ炭素数1〜4の炭化水素基、AOは炭素数3〜4のオキシアルキレン基、EOはオキシエチレン基であり、AOとEOとはブロック状に付加しており、p、qはそれぞれAO、EOの平均付加モル数を意味し、1≦p≦70、1≦q≦70、且つ0.2<(q/(p+q))<0.8である]、及び
(D)総油分量に対して10質量%以上の非極性油を含有し、
平均乳化粒子径が700nm以下である水中油型日焼け止め化粧料を提供する。
t−ブチルメトキシジベンゾイルメタン及び2−ヒドロキシ−4−メトキシベンゾフェノンは、ともに紫外線(UVA)吸収剤であり、各々「パルソール1789」(DSMニュートリションジャパン(株))及び「ユビナールM40」(BASF(株))等として市販されている。本発明においても、それらの市販品を使用することができる。
R1O−(AO)m−(EO)n−H ・・・(1)
一般式(1)において、R1は炭素数16〜18の炭化水素基であり、好ましくは飽和又は不飽和の脂肪族炭化水素基である。例えば、パルミチル、ステアリル、イソステアリル、オレイル、リノリル等が挙げられる。
AOは炭素数3〜4のオキシアルキレン基であり、例えば、オキシプロピル基、オキシブチル基が挙げられる。EOはオキシエチレン基である。
一般式(1)において、AO、EOはブロック状に結合していなければならない。ランダム状に結合している場合には、製剤安定性が十分に得られない。なお、アルキレンオキシドおよびエチレンオキシドの付加する順序は特に指定はない。またブロック状には2段ブロックのみならず、3段以上のブロックも含まれる。
m、nはそれぞれPO、EOの平均付加モル数を意味し、m>4、n>10、n>mである。
一般式(1)で示されるブロックポリマーとしては、例えば、ニッコールPBC44(日光ケミカルズ(株))等の市販品を使用することができる。
一般式(2)において、R2、R3は同一もしくは異なっていてもよく、それぞれ炭素数1〜4の炭化水素基であり、好ましくは飽和の脂肪族炭化水素基である。例えば、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、sec−ブチル、tert−ブチルが挙げられ、より好ましくはメチル、エチルである。
AOは炭素数3〜4のオキシアルキレン基であり、オキシプロピル基、オキシブチル基が挙げられる。EOはオキシエチレン基である。
p、qはそれぞれAO、EOの平均付加モル数を意味し、1≦p≦70、1≦q≦70、且つ0.2<(q/(p+q))<0.8である。
一般式(2)のブロックポリマーは、公知の方法で製造することができる。例えば、水酸基を有している化合物にエチレンオキシドおよび炭素数3〜4のアルキレンオキシドを付加重合した後、ハロゲン化アルキルをアルカリ触媒存在下にエーテル反応させることによって得ることができる(例えば、特開2004−83541号公報等)。
なお、上記POE、POP、POBは、それぞれポリオキシエチレン、ポリオキシプロピレン、ポリオキシブチレンの略である。
本発明における非極性油は、一般に非極性油又は低極性油として知られたものでよく、特に限定されないが、例えば、水添ポリデセン、ミネラルオイル、スクワラン等の炭化水素油から選択される。
乳化方法は、油相を700nm以下にまで微細に乳化できる限り任意の方法を採用できる。例えば、高圧乳化法や、少量の水の存在下(あるいは非存在下)で多価アルコールなどの親水性溶媒を用いる微細乳化法(例えば特公昭57−29213号公報、特開2006−182724号公報など)などが挙げられるが、これらに制限されるものではない。
本発明の化粧料は、水中油型乳化物が元来有するみずみずしい使用感触を持ち、なおかつ優れた紫外線防御能を発揮するため、水中油型乳化タイプの日焼け止め化粧料としての用途に特に適したものである。
下記表1に掲げた組成の乳化組成物を調製し、次に示す特性について評価した。
評価項目:
(1)乳化安定性
被験試料を50℃で1ヵ月保存した後の外観を肉眼で観察し、下記の基準で評価した。
○:油浮きやクリーミングなどがない。
×:油浮きやクリーミングがある。
(2)平均乳化粒子径
組成物の調製直後の乳化粒子の粒度分布をゼータサイザー(Zetasizer Nano ZS (シスメックス株式会社))で測定した。また、表中「以上」又は「以下」と記載されているものは、目視判定により「700nm以上」又は「700nm以下」とされたことを意味する。
(3)使用感(べたつき)
女性パネラー20名によって各組成物を顔部に手で塗布してもらい、なじみ際のべたつき具合についてアンケートを行い、以下の基準で評価した。
○:べたつかないと答えたパネラーが16名以上。
△:べたつかないと答えたパネラーが6名以上、15名以下。
×:べたつかないと答えたパネラーが5名以下。
(4)紫外線防御能
各組成物の紫外線防御能をin vitro SPECTRO PHOTOMETER U−4100(HITACHI)で測定し、下記の基準で評価した。
高:(310nmでの吸光度が基準サンプル(in vivo測定値SPF30)よりも高い。
Std:(310nmでの吸光度が基準サンプル(in vivo測定値SPF16)よりも高い。
低:(310nmでの吸光度が基準サンプル(in vivo測定値SPF16)よりも低い。
(5)溶解安定性
各組成物の油分を溶解させた後低温(0℃)に1ヶ月保存した後の析出物を肉眼で観察し、下記の基準で評価した。
○:結晶が析出しない。
×:結晶が析出した。
また、非極性油を十分に配合しない場合にも安定性が低下する傾向がある。
さらに、特定構造のブロックポリマーを用いない場合、あるいは所定量で用いない場合は、700nm以下の平均乳化粒子径が達成されず、安定性にも劣るものとなった。
Claims (1)
- (A)1〜7.5質量%のオクチルメトキシシンナメート、
(B)1〜4質量%のt−ブチルメトキシジベンゾイルメタン及び/又は2−ヒドロキシ−4−メトキシベンゾフェノン、
(C)0.5〜3質量%の下記一般式(1)又は(2)で示されるポリオキシエチレン・ポリオキシアルキレンアルキルエーテルブロックポリマー:
R10−(AO)m−(EO)n−H ・・・(1)
[式中、R1は炭素数16〜18の炭化水素基、AOは炭素数3〜4のオキシアルキレン基であり、AOとEOとはブロック状に付加しており、m、nはそれぞれAO、EOの平均付加モル数を意味し、m>4、n>10、かつn>mである];
R2O−(AO)p−(EO)q−R3 ・・・(2)
[式中、R2、R3は同一もしくは異なっていてもよく、それぞれ炭素数1〜4の炭化水素基、AOは炭素数3〜4のオキシアルキレン基、EOはオキシエチレン基であり、AOとEOとはブロック状に付加しており、p、qはそれぞれAO、EOの平均付加モル数を意味し、1≦p≦70、1≦q≦70、且つ0.2<(q/(p+q))<0.8である]、及び
(D)総油分量に対して10質量%以上の非極性油を含有し、
平均乳化粒子径が700nm以下であることを特徴とする水中油型日焼け止め化粧料。
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SG10201607269YA (en) | 2012-03-05 | 2016-10-28 | Otsuka Pharma Co Ltd | Sunscreen composition |
US11806412B2 (en) | 2014-10-31 | 2023-11-07 | Shiseido Company, Ltd. | Oil-in-water emulsion sunscreen cosmetic |
US20180289610A1 (en) * | 2015-09-30 | 2018-10-11 | Shiseido Company, Ltd. | Sunscreen cosmetic |
JP6992057B2 (ja) | 2016-06-10 | 2022-01-13 | クラリティ コスメティックス インコーポレイテッド | 非面皰形成性の毛髪および頭皮ケア製剤ならびにその使用方法 |
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US20210338544A1 (en) * | 2018-08-10 | 2021-11-04 | Shiseido Company, Ltd. | Emulsion cosmetic |
US12083199B2 (en) | 2019-09-10 | 2024-09-10 | LCS Advanced Solutions, LLC | Mineral, anhydrous, broad-spectrum sunscreen |
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