WO2022131081A1 - Composition émulsifiée pour application externe - Google Patents
Composition émulsifiée pour application externe Download PDFInfo
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- WO2022131081A1 WO2022131081A1 PCT/JP2021/044976 JP2021044976W WO2022131081A1 WO 2022131081 A1 WO2022131081 A1 WO 2022131081A1 JP 2021044976 W JP2021044976 W JP 2021044976W WO 2022131081 A1 WO2022131081 A1 WO 2022131081A1
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- WIPO (PCT)
- Prior art keywords
- external
- urea
- emulsified composition
- acid
- component
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 107
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 63
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000004202 carbamide Substances 0.000 claims abstract description 62
- -1 sorbitan fatty acid ester Chemical class 0.000 claims abstract description 53
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 43
- 239000000194 fatty acid Substances 0.000 claims abstract description 43
- 229930195729 fatty acid Natural products 0.000 claims abstract description 43
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229960004889 salicylic acid Drugs 0.000 claims abstract description 31
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229940121363 anti-inflammatory agent Drugs 0.000 claims abstract description 19
- 239000002260 anti-inflammatory agent Substances 0.000 claims abstract description 19
- 235000011187 glycerol Nutrition 0.000 claims abstract description 17
- 102000011782 Keratins Human genes 0.000 claims description 32
- 108010076876 Keratins Proteins 0.000 claims description 32
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 20
- 150000003839 salts Chemical class 0.000 claims description 19
- MPDGHEJMBKOTSU-YKLVYJNSSA-N 18beta-glycyrrhetic acid Chemical compound C([C@H]1C2=CC(=O)[C@H]34)[C@@](C)(C(O)=O)CC[C@]1(C)CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@H](O)C1(C)C MPDGHEJMBKOTSU-YKLVYJNSSA-N 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- LPLVUJXQOOQHMX-QWBHMCJMSA-N glycyrrhizinic acid Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@H](O[C@@H]1O[C@@H]1C([C@H]2[C@]([C@@H]3[C@@]([C@@]4(CC[C@@]5(C)CC[C@@](C)(C[C@H]5C4=CC3=O)C(O)=O)C)(C)CC2)(C)CC1)(C)C)C(O)=O)[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O LPLVUJXQOOQHMX-QWBHMCJMSA-N 0.000 claims description 14
- 238000004945 emulsification Methods 0.000 claims description 12
- 229960004949 glycyrrhizic acid Drugs 0.000 claims description 12
- 235000019410 glycyrrhizin Nutrition 0.000 claims description 12
- 239000004471 Glycine Substances 0.000 claims description 10
- VTAJIXDZFCRWBR-UHFFFAOYSA-N Licoricesaponin B2 Natural products C1C(C2C(C3(CCC4(C)CCC(C)(CC4C3=CC2)C(O)=O)C)(C)CC2)(C)C2C(C)(C)CC1OC1OC(C(O)=O)C(O)C(O)C1OC1OC(C(O)=O)C(O)C(O)C1O VTAJIXDZFCRWBR-UHFFFAOYSA-N 0.000 claims description 9
- LPLVUJXQOOQHMX-UHFFFAOYSA-N glycyrrhetinic acid glycoside Natural products C1CC(C2C(C3(CCC4(C)CCC(C)(CC4C3=CC2=O)C(O)=O)C)(C)CC2)(C)C2C(C)(C)C1OC1OC(C(O)=O)C(O)C(O)C1OC1OC(C(O)=O)C(O)C(O)C1O LPLVUJXQOOQHMX-UHFFFAOYSA-N 0.000 claims description 9
- 239000001685 glycyrrhizic acid Substances 0.000 claims description 9
- UYRUBYNTXSDKQT-UHFFFAOYSA-N glycyrrhizic acid Natural products CC1(C)C(CCC2(C)C1CCC3(C)C2C(=O)C=C4C5CC(C)(CCC5(C)CCC34C)C(=O)O)OC6OC(C(O)C(O)C6OC7OC(O)C(O)C(O)C7C(=O)O)C(=O)O UYRUBYNTXSDKQT-UHFFFAOYSA-N 0.000 claims description 9
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 9
- MPDGHEJMBKOTSU-UHFFFAOYSA-N Glycyrrhetinsaeure Natural products C12C(=O)C=C3C4CC(C)(C(O)=O)CCC4(C)CCC3(C)C1(C)CCC1C2(C)CCC(O)C1(C)C MPDGHEJMBKOTSU-UHFFFAOYSA-N 0.000 claims description 6
- 229960003720 enoxolone Drugs 0.000 claims description 6
- 238000005191 phase separation Methods 0.000 abstract description 26
- 230000015556 catabolic process Effects 0.000 abstract 2
- 238000006731 degradation reaction Methods 0.000 abstract 2
- 238000004321 preservation Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 29
- 230000000694 effects Effects 0.000 description 28
- 238000000354 decomposition reaction Methods 0.000 description 20
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 12
- 229920001214 Polysorbate 60 Polymers 0.000 description 9
- 150000004665 fatty acids Chemical class 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 6
- ASKIVFGGGGIGKH-UHFFFAOYSA-N 2,3-dihydroxypropyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCC(=O)OCC(O)CO ASKIVFGGGGIGKH-UHFFFAOYSA-N 0.000 description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 6
- 150000005215 alkyl ethers Chemical class 0.000 description 6
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 6
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 6
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical class COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 6
- 239000002736 nonionic surfactant Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 150000005846 sugar alcohols Polymers 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 230000000144 pharmacologic effect Effects 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 235000021314 Palmitic acid Nutrition 0.000 description 4
- 235000021355 Stearic acid Nutrition 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000003110 anti-inflammatory effect Effects 0.000 description 4
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 4
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 4
- 235000003441 saturated fatty acids Nutrition 0.000 description 4
- 239000008117 stearic acid Substances 0.000 description 4
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 4
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 3
- PAFJZWHXMSQJKV-UQZRNVAESA-N (3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol;octadecanoic acid Chemical compound OC[C@@H](O)C1OC[C@H](O)[C@H]1O.OC[C@@H](O)C1OC[C@H](O)[C@H]1O.OC[C@@H](O)C1OC[C@H](O)[C@H]1O.CCCCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O PAFJZWHXMSQJKV-UQZRNVAESA-N 0.000 description 3
- LVYLCBNXHHHPSB-UHFFFAOYSA-N 2-hydroxyethyl salicylate Chemical compound OCCOC(=O)C1=CC=CC=C1O LVYLCBNXHHHPSB-UHFFFAOYSA-N 0.000 description 3
- 235000021357 Behenic acid Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- GYCKQBWUSACYIF-UHFFFAOYSA-N Ethyl salicylate Chemical class CCOC(=O)C1=CC=CC=C1O GYCKQBWUSACYIF-UHFFFAOYSA-N 0.000 description 3
- ILRKKHJEINIICQ-OOFFSTKBSA-N Monoammonium glycyrrhizinate Chemical compound N.O([C@@H]1[C@@H](O)[C@H](O)[C@H](O[C@@H]1O[C@H]1CC[C@]2(C)[C@H]3C(=O)C=C4[C@@H]5C[C@](C)(CC[C@@]5(CC[C@@]4(C)[C@]3(C)CC[C@H]2C1(C)C)C)C(O)=O)C(O)=O)[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O ILRKKHJEINIICQ-OOFFSTKBSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 3
- IJCWFDPJFXGQBN-RYNSOKOISA-N [(2R)-2-[(2R,3R,4S)-4-hydroxy-3-octadecanoyloxyoxolan-2-yl]-2-octadecanoyloxyethyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCCCCCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCCCCCCCCCCCC IJCWFDPJFXGQBN-RYNSOKOISA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001413 amino acids Chemical class 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 229940116226 behenic acid Drugs 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229940005667 ethyl salicylate Drugs 0.000 description 3
- 229940075507 glyceryl monostearate Drugs 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229960001047 methyl salicylate Drugs 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- DCBSHORRWZKAKO-UHFFFAOYSA-N rac-1-monomyristoylglycerol Chemical compound CCCCCCCCCCCCCC(=O)OCC(O)CO DCBSHORRWZKAKO-UHFFFAOYSA-N 0.000 description 3
- 210000003491 skin Anatomy 0.000 description 3
- 239000001587 sorbitan monostearate Substances 0.000 description 3
- 235000011076 sorbitan monostearate Nutrition 0.000 description 3
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- 239000001589 sorbitan tristearate Substances 0.000 description 3
- 235000011078 sorbitan tristearate Nutrition 0.000 description 3
- 229960004129 sorbitan tristearate Drugs 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- IZHVBANLECCAGF-UHFFFAOYSA-N 2-hydroxy-3-(octadecanoyloxy)propyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)COC(=O)CCCCCCCCCCCCCCCCC IZHVBANLECCAGF-UHFFFAOYSA-N 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 2
- 239000004147 Sorbitan trioleate Substances 0.000 description 2
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 2
- 229960001138 acetylsalicylic acid Drugs 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 2
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- 239000006071 cream Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 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 2
- 229960002389 glycol salicylate Drugs 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000007721 medicinal effect Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 2
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 2
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- LXNHXLLTXMVWPM-UHFFFAOYSA-N pyridoxine Chemical compound CC1=NC=C(CO)C(CO)=C1O LXNHXLLTXMVWPM-UHFFFAOYSA-N 0.000 description 2
- 229940058287 salicylic acid derivative anticestodals Drugs 0.000 description 2
- 150000003872 salicylic acid derivatives Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 235000019337 sorbitan trioleate Nutrition 0.000 description 2
- 229960000391 sorbitan trioleate Drugs 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- WNIFXKPDILJURQ-UHFFFAOYSA-N stearyl glycyrrhizinate Natural products C1CC(O)C(C)(C)C2CCC3(C)C4(C)CCC5(C)CCC(C(=O)OCCCCCCCCCCCCCCCCCC)(C)CC5C4=CC(=O)C3C21C WNIFXKPDILJURQ-UHFFFAOYSA-N 0.000 description 2
- DRAWQKGUORNASA-UHFFFAOYSA-N (2-hydroxy-3-octadec-9-enoyloxypropyl) octadec-9-enoate Chemical compound CCCCCCCCC=CCCCCCCCC(=O)OCC(O)COC(=O)CCCCCCCC=CCCCCCCCC DRAWQKGUORNASA-UHFFFAOYSA-N 0.000 description 1
- CAKDFKUXFMLCAR-UIOGXPPZSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4S,5S,6S)-2-[[(3S,4aR,6aR,6bS,8aS,11S,12aR,14aR,14bS)-11-methoxycarbonyl-4,4,6a,6b,8a,11,14b-heptamethyl-14-oxo-2,3,4a,5,6,7,8,9,10,12,12a,14a-dodecahydro-1H-picen-3-yl]oxy]-6-carboxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@H](O[C@@H]1O[C@H]1CC[C@]2(C)[C@H]3C(=O)C=C4[C@@]([C@@]3(CC[C@H]2C1(C)C)C)(C)CC[C@@]1(C)CC[C@](C[C@H]14)(C)C(=O)OC)C(O)=O)[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O CAKDFKUXFMLCAR-UIOGXPPZSA-N 0.000 description 1
- CUNWUEBNSZSNRX-RKGWDQTMSA-N (2r,3r,4r,5s)-hexane-1,2,3,4,5,6-hexol;(z)-octadec-9-enoic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O CUNWUEBNSZSNRX-RKGWDQTMSA-N 0.000 description 1
- PDHSAQOQVUXZGQ-JKSUJKDBSA-N (2r,3s)-2-(3,4-dihydroxyphenyl)-3-methoxy-3,4-dihydro-2h-chromene-5,7-diol Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2OC)=CC=C(O)C(O)=C1 PDHSAQOQVUXZGQ-JKSUJKDBSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 description 1
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- NWGAAWUUGRXXSC-UHFFFAOYSA-N 1-(2-hydroxypropoxy)propan-2-yl 2-hydroxybenzoate Chemical compound CC(O)COCC(C)OC(=O)C1=CC=CC=C1O NWGAAWUUGRXXSC-UHFFFAOYSA-N 0.000 description 1
- FPIPGXGPPPQFEQ-UHFFFAOYSA-N 13-cis retinol Natural products OCC=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000263 2,3-dihydroxypropyl (Z)-octadec-9-enoate Substances 0.000 description 1
- WXHLLJAMBQLULT-UHFFFAOYSA-N 2-[[6-[4-(2-hydroxyethyl)piperazin-1-yl]-2-methylpyrimidin-4-yl]amino]-n-(2-methyl-6-sulfanylphenyl)-1,3-thiazole-5-carboxamide;hydrate Chemical compound O.C=1C(N2CCN(CCO)CC2)=NC(C)=NC=1NC(S1)=NC=C1C(=O)NC1=C(C)C=CC=C1S WXHLLJAMBQLULT-UHFFFAOYSA-N 0.000 description 1
- XDZMPRGFOOFSBL-UHFFFAOYSA-N 2-ethoxybenzoic acid Chemical compound CCOC1=CC=CC=C1C(O)=O XDZMPRGFOOFSBL-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-GDCKJWNLSA-N 3-oleoyl-sn-glycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-GDCKJWNLSA-N 0.000 description 1
- HCJMNOSIAGSZBM-UHFFFAOYSA-N 6-methylsalicylic acid Chemical compound CC1=CC=CC(O)=C1C(O)=O HCJMNOSIAGSZBM-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 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
- 229920002683 Glycosaminoglycan Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004909 Moisturizer Substances 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
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Images
Classifications
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- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
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- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
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Definitions
- the present invention relates to an external emulsified composition containing urea and a salicylic acid-based anti-inflammatory agent and capable of suppressing phase separation and urea decomposition during storage.
- Urea has a water retention effect by forming a hydrogen bond with water in the keratin and an effect of removing or softening unnecessary keratin due to protein denaturation, and is used in external compositions.
- urea is easily hydrolyzed in the external composition, it is necessary to stabilize the urea in the external composition containing urea. Therefore, various studies have been made on the formulation of an external composition capable of stabilizing urea.
- Patent Document 1 discloses that urea can be stabilized by blending a neutral amino acid such as glycine in an external composition containing urea.
- Patent Document 2 discloses that the external composition can be provided with excellent pharmaceutical stability by containing 10 to 25% by weight of urea and retinol or a derivative thereof.
- salicylic acid salicylic acid, salicylic acid derivatives, and salicylic acid-based anti-inflammatory agents such as salts thereof are used in external compositions for anti-inflammatory and analgesic applications.
- the emulsified preparation is widely used in the field of external composition because it can contain an aqueous component and an oily component, can be used for various preparation formulations, and has an excellent usability when applied to the skin.
- the present inventor has conducted various studies to develop an external emulsified composition containing urea and a salicylic acid anti-inflammatory agent, and found that the external emulsified composition containing urea and a salicylic acid anti-inflammatory agent is preserved. It was found that there was a problem in terms of storage stability due to phase separation and decomposition of urea.
- an object of the present invention to provide an external emulsified composition containing urea and a salicylic acid-based anti-inflammatory agent and capable of suppressing phase separation and urea decomposition during storage.
- an external emulsified composition containing a sorbitan fatty acid ester and / or a glycerin fatty acid ester in addition to urea and a salicylic acid-based anti-inflammatory agent is phase-separated by storage. And it was found that the decomposition of urea can be suppressed and excellent storage stability can be provided. Furthermore, the present inventor has also found that the external emulsified composition has good elongation when applied around the nail and has an excellent softening effect on the keratin around the nail. The present invention has been completed by further studies based on such findings.
- Item 1 An external emulsified composition comprising (A) urea, (B) a salicylic acid-based anti-inflammatory agent, and (C) a sorbitan fatty acid ester and / or a glycerin fatty acid ester.
- Item 2. The external emulsified composition according to Item 1, which does not contain glycine.
- Item 3. Item 2.
- the external emulsification composition according to Item 1 or 2 further comprising (D) at least one glycyrrhizic acid selected from the group consisting of glycyrrhizic acid, glycyrrhetinic acid, derivatives thereof, and salts thereof.
- Item 8. The external emulsified composition according to any one of Items 1 to 3, further comprising (E) a saturated fatty acid having 14 or more carbon atoms and / or a salt thereof.
- the external emulsification composition of the present invention although it contains urea and a salicylic acid-based anti-inflammatory agent, phase separation and decomposition of urea due to storage can be suppressed, and excellent storage stability can be provided. Further, the external emulsified composition of the present invention has good elongation when applied around the nail, has an excellent softening effect on the keratin around the nail, and can be suitably used for softening the keratin around the nail.
- the external emulsified composition of the present invention is characterized by containing (A) urea, (B) a salicylic acid-based anti-inflammatory agent, and (C) a sorbitan fatty acid ester and / or a glycerin fatty acid ester.
- A urea
- B a salicylic acid-based anti-inflammatory agent
- C a sorbitan fatty acid ester and / or a glycerin fatty acid ester.
- the external emulsified composition of the present invention contains urea (sometimes referred to as component (A)).
- Urea is a known component known to have a water retention action in the keratin, an unnecessary keratin removal or softening action, and the like.
- the content of the component (A) in the external emulsified composition of the present invention may be appropriately set according to the medicinal effect to be imparted, the intended use of the external emulsified composition, etc., but is preferably 1 to 30% by weight, preferably 1 to 30% by weight. 5 to 25% by weight, more preferably 10 to 20% by weight.
- the external emulsified composition of the present invention contains a salicylic acid-based anti-inflammatory agent (sometimes referred to as a component (B)).
- salicylic acid-based anti-inflammatory agent examples include salicylic acid, salicylic acid derivatives, and salts thereof.
- derivative of salicylic acid examples include acetylsalicylic acid (aspirin), salicylic acid (ethenzamid), sulfosalicylic acid, methyl salicylic acid, ethyl salicylic acid, glycol salicylate, ethylene glycol salicylate, dipropylene glycol salicylate, titanium salicylate, 2-ethylhexyl salicylate, and salicylic acid. Examples thereof include homomentyl and phenyl salicylate.
- salts of salicylic acid and its derivatives examples include alkali metal salts such as sodium and potassium; and alkaline earth metal salts such as magnesium.
- salicylic acid-based anti-inflammatory agents salicylic acid, salts of salicylic acid, ethyl salicylate, methyl salicylate, and more preferably salicylic acid can be mentioned.
- the content of the component (B) in the external emulsified composition of the present invention may be appropriately set according to the medicinal effect to be imparted, the intended use of the external emulsified composition, etc., but for example, the total amount of the component (B) is 0. 0.01 to 1% by weight, preferably 0.05 to 0.5% by weight, and more preferably 0.1 to 0.5% by weight.
- the ratio of the component (A) to the component (B) is not particularly limited, but for example, the total amount of the component (B) is 0.
- examples thereof include 01 to 300 parts by weight, preferably 0.05 to 100 parts by weight, and more preferably 0.1 to 50 parts by weight.
- the external emulsified composition of the present invention contains a sorbitan fatty acid ester and / or a glycerin fatty acid ester (sometimes referred to as a component (C)).
- a component (C) sometimes referred to as a component (C)
- phase separation and decomposition of the component (A) occur due to storage, but the external emulsified composition of the present invention further causes sorbitan fatty acid.
- the external emulsification composition of the present invention by containing the components (A) to (C), the elongation when applied around the nail is improved, and the keratin softening effect around the nail is excellent. be able to.
- the sorbitan fatty acid ester is an ester of sorbitan and a fatty acid, and is a known nonionic surfactant.
- the number of fatty acids bound per molecule of the sorbitan fatty acid ester is not particularly limited, but is, for example, 1 to 4, preferably 1 to 3, more preferably 1 or 2, and even more preferably 1. Can be mentioned.
- the carbon number of the fatty acid constituting the sorbitan fatty acid ester is not particularly limited, and examples thereof include 10 to 22, preferably 14 to 22, and more preferably 16 to 20.
- sorbitan fatty acid ester examples include sorbitan monooleate, sorbitan monostearate, sorbitan sesquioleate, sorbitan sesquistearate, sorbitan coconut oil fatty acid, sorbitan monopalmitate, sorbitan tristearate, and sorbitan trioleate.
- sorbitan fatty acid esters examples include sorbitan monostearate, sorbitan sesquistearate, sorbitan tristearate, and more preferably monostearate are preferable from the viewpoint of more effectively suppressing phase separation and urea decomposition during storage. Examples include sorbitan acid.
- the glycerin fatty acid ester is an ester of glycerin and a fatty acid, and is a known nonionic surfactant.
- Examples of the carbon number of the fatty acid constituting the glycerin fatty acid ester include 10 to 22, preferably 14 to 22, and more preferably 16 to 20.
- the number of fatty acids bound to one molecule of the glycerin fatty acid is not particularly limited, and examples thereof include 1 to 3, preferably 1 or 2, and more preferably 1.
- glycerin fatty acid ester examples include glyceryl monomyristate, glyceryl monostearate, glyceryl monoisostearate, glyceryl monooleate, glyceryl dimyristate, glyceryl distearate, glyceryl diisostearate, and glyceryl dioleate. ..
- glyceryl monostearate, glyceryl monomyristate, and glyceryl monoisostearate are preferable from the viewpoint of more effectively suppressing phase separation and urea decomposition during storage. It was
- the content of the component (C) in the external emulsified composition of the present invention is, for example, 0.01 to 20% by weight, preferably 0.05 to 10% by weight, more preferably 0. 1 to 5% by weight is mentioned.
- the ratio of the component (A) to the component (C) is not particularly limited, but for example, the total amount of the component (C) is 0.
- examples thereof include 01 to 300 parts by weight, preferably 0.05 to 100 parts by weight, and more preferably 0.1 to 50 parts by weight.
- the external emulsified composition of the present invention may contain glycine, but preferably does not contain glycine. Conventionally, it is known that glycine has an action of stabilizing urea, but in the case of the external emulsified composition of the present invention, when glycine is not contained, phase separation by storage and decomposition of urea are more effective. It becomes possible to suppress it.
- the external emulsified composition of the present invention does not contain a neutral amino acid (an amino acid whose side chain does not contain an amino group or a carboxyl group).
- the external emulsified composition of the present invention is designated as at least one glycyrrhizic acid ((D) component) selected from the group consisting of glycyrrhizic acid, glycyrrhetinic acid, derivatives thereof, and salts thereof in addition to the above-mentioned components. May be included).
- the component (D) in the external composition of the present invention the effect of suppressing phase separation and urea decomposition by storage is further improved, and the effect of stretching and softening the keratin around the nail when applied around the nail is obtained. It can be further improved.
- Glycyrrhizic acid and glycyrrhetinic acid are known drugs known to have anti-inflammatory and anti-allergic effects.
- the derivative of glycyrrhizic acid is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include methyl glycyrrhizinate and stearyl glycyrrhizinate. These derivatives of glycyrrhizic acid may be used alone or in combination of two or more.
- the derivative of glycyrrhetinic acid is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include pyridoxine glycyrrhetinate, stearyl glycyrrhetinate, glyceryl glycyrrhetinate, and monoglucuronide glycyrrhetinate. These derivatives of glycyrrhetinic acid may be used alone or in combination of two or more.
- the salt of glycyrrhizinic acid, glycyrrhetinic acid and / or a derivative thereof is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include alkali metal salts such as sodium salt and potassium salt; ammonium salts and the like. These salts may be used alone or in combination of two or more.
- one of glycyrrhizic acid, glycyrrhetinic acid, derivatives thereof, and salts thereof may be selected and used alone, or two or more thereof. May be used in combination.
- glycyrrhizinic acid and its above are preferable from the viewpoint of further improving the phase separation by storage and the effect of suppressing the decomposition of urea, and the effect of stretching around the nail and the effect of softening the keratin around the nail.
- examples thereof include a salt, more preferably a salt of glycyrrhizinic acid, and even more preferably monoammonium glycyrrhizinate.
- the content thereof is not particularly limited, but for example, the total amount of the component (D) is 0.05 to 5% by weight, preferably 0.1. It is about 1% by weight, more preferably 0.3 to 0.5% by weight.
- the ratio of the component (D) to the component (A) is not particularly limited, but for example, the component (D) is contained in 1 part by weight of the component (A).
- the total amount is 0.01 to 300 parts by weight, preferably 0.05 to 100 parts by weight, and more preferably 0.1 to 50 parts by weight.
- the external emulsified composition of the present invention may contain a saturated fatty acid having 14 or more carbon atoms and / or a salt thereof (sometimes referred to as a component (E)), if necessary.
- a saturated fatty acid having 14 or more carbon atoms and / or a salt thereof sometimes referred to as a component (E)
- the external emulsified composition of the present invention further contains the component (E)
- the phase separation due to storage can be remarkably suppressed, and the elongation when applied around the nail can be further improved.
- Saturated fatty acids and / or salts thereof may have 14 or more carbon atoms, but from the viewpoint of more effectively suppressing phase separation due to storage and further improving elongation when applied around the nails. , Preferably 14 to 30 carbon atoms, more preferably 14 to 24 carbon atoms, still more preferably 14 to 22 carbon atoms, and particularly preferably 18 carbon atoms.
- Saturated fatty acids more specifically, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, lignoseric acid, cellotic acid, montanic acid, melicic acid; preferably myristic acid, palmitic acid, stearic acid, arachidic acid.
- Bechenic acid, lignoseric acid more preferably myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid; more preferably stealic acid.
- Examples of the salt of saturated fatty acid having 14 or more carbon atoms include alkali metal salts such as sodium salt and potassium salt.
- the component (E) one may be selected and used from among saturated fatty acids having 14 or more carbon atoms and salts thereof, or two or more thereof may be used in combination. good.
- the content thereof is not particularly limited, but for example, the total amount of the component (E) is 0.01 to 10% by weight, preferably 0.1. 6% by weight, more preferably 1 to 6% by weight.
- the ratio of the component (A) to the component (E) is not particularly limited, but for example, per 100 parts by weight of the total amount of the component (A), ( E)
- the total amount of the components is 0.1 to 1200 parts by weight, preferably 0.1 to 100 parts by weight, and more preferably 0.1 to 50 parts by weight.
- the external emulsified composition of the present invention may contain a polyhydric alcohol, if necessary.
- the polyhydric alcohol is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include 1,3-butylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, and glycerin. Among these polyhydric alcohols, glycerin is preferable. These polyhydric alcohols may be used alone or in combination of two or more.
- the content thereof is not particularly limited, but for example, the total amount of the polyhydric alcohol is 0.1 to 30% by weight, preferably 0.5 to 20%. By weight%, more preferably 1 to 10% by weight.
- the external composition for skin of the present invention may contain a surfactant other than the above-mentioned component (C), if necessary.
- surfactant other than the component (C) examples include nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants and the like other than the component (C). These surfactants may be used alone or in combination of two or more. Among these surfactants, a nonionic surfactant is preferable.
- the nonionic surfactant (other than the component (C)) used in the present invention is not particularly limited as long as it is pharmaceutically acceptable, but for example, polyoxyethylene sorbitan fatty acid ester and polyoxyethylene alkyl. Examples thereof include ether and polyoxyethylene hydrogenated castor oil. Among these nonionic surfactants, preferably, polyoxyethylene sorbitan fatty acid ester and polyoxyethylene alkyl ether can be mentioned.
- the average number of moles of ethylene oxide (EO) constituting the polyoxyethylene sorbitan fatty acid ester is not particularly limited, and examples thereof include 5 to 40 mol, preferably 10 to 30 mol, and more preferably 15 to 25 mol. Be done.
- the carbon number of the fatty acid constituting the polyoxyethylene sorbitan fatty acid ester is not particularly limited, and examples thereof include 10 to 22, preferably 14 to 22, and more preferably 16 to 20.
- Specific examples of the polyoxyethylene sorbitan fatty acid ester include polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan trioleate, polyoxyethylene sorbitan tristearate, and polyoxyethylene sorbitan monostearate.
- monostearate polyoxyethylene sorbitan (polysorbate 60) having an average addition mole number of ethylene oxide (EO) of 20 can be mentioned.
- the average number of moles of ethylene oxide (EO) constituting the polyoxyethylene alkyl ether is not particularly limited, and examples thereof include 5 to 40 mol, preferably 10 to 30 mol, and more preferably 15 to 25 mol. ..
- the number of carbon atoms of the alkyl group constituting the polyoxyethylene alkyl ether is not particularly limited, and examples thereof include 10 to 24 carbon atoms, preferably 14 to 24 carbon atoms, and more preferably 16 to 24 carbon atoms.
- Specific examples of the polyoxyethylene alkyl ether include polyoxyethylene cetyl ether, polyoxyethylene oleyl ether, polyoxyethylene stearyl ether, and polyoxyethylene araquil ether. Among these polyoxyethylene alkyl ethers, polyoxyethylene alkyl ether is preferable.
- the content thereof may be appropriately set according to the pharmaceutical form, usability, etc., but for example, the surfactant.
- the total amount of (other than the component (C)) is 0.5 to 20% by weight, preferably 1 to 15% by weight, and more preferably 1.5 to 10% by weight.
- the external emulsified composition of the present invention may contain other commonly used additives, if necessary.
- additives include oily bases other than the component (E), water, monohydric lower alcohols, pH regulators, buffers, solubilizers, preservatives, preservatives, antioxidants, and stabilizers. , Fragrances, coloring agents and the like.
- the content thereof may be appropriately set according to the type of the additive to be used and the like.
- the external emulsified composition of the present invention may contain a pharmacological component in addition to the above-mentioned components.
- pharmacological components include steroids, antihistamines, local anesthetics, anti-inflammatory agents (other than component (B)), moisturizers (other than component (A)), bactericides, antibacterial agents, antipruritic agents, and skin.
- Protective agents, blood circulation promoting ingredients, vitamins, mucopolysaccharides and the like can be mentioned.
- These pharmacological components may be used alone or in combination of two or more. When these pharmacological components are contained in the external composition of the present invention, the concentration thereof may be appropriately set according to the type of the pharmacological component used, the expected effect, and the like.
- the emulsification type of the external emulsification composition of the present invention may be either an oil-in-water type or a water-in-oil type, and an oil-in-water type is preferable.
- the formulation form of the external emulsified composition of the present invention is not particularly limited, and examples thereof include external pharmaceuticals such as creams, emulsions, lotions, liniments, and aerosols. Among these, a cream agent is preferably mentioned.
- the use of the external emulsified composition of the present invention is not particularly limited, but the external emulsified composition of the present invention has a keratin softening or removing action and a moisturizing action based on the component (A), and an anti-inflammatory action based on the component (B). Since it can exert its action, it is suitably used for applications such as softening or removing keratin, moisturizing, and anti-inflammatory.
- the external emulsifying composition of the present invention has good elongation when applied around the nail and has an excellent effect of softening the keratin around the nail, and is therefore suitably used for softening the keratin around the nail. ..
- the external emulsified composition of the present invention can be produced according to a known method for formulating an emulsified preparation, depending on the emulsified type.
- the components to be contained are divided into a water-soluble component and an oil-based component, and an aqueous phase containing the water-soluble component and an oil phase containing the oil-based component are prepared.
- Test Example 1 An external emulsified composition (creamy oil-in-water emulsified preparation) having the compositions shown in Tables 1 to 3 was prepared. Specifically, first, surfactants (sorbitan monostearate, sorbitan sesquistearate, sorbitan tristearate, glyceryl monoisostearate, glyceryl monomyristate, glyceryl monostearate, polyoxyethylene hydrogenated castor oil 10, polysorbate).
- surfactants sorbitan monostearate, sorbitan sesquistearate, sorbitan tristearate, glyceryl monoisostearate, glyceryl monomyristate, glyceryl monostearate, polyoxyethylene hydrogenated castor oil 10, polysorbate.
- a composition for an oil phase was prepared by mixing and heating and dissolving at 80 ° C.
- a composition for an aqueous phase was prepared by mixing a predetermined amount of urea, salicylic acid, glycine, monoammonium glycyrrhizinate, triethanolamine and water. Next, the aqueous phase composition heated to 80 ° C.
- the stability of the emulsified state was evaluated by the following methods.
- ⁇ Stability in emulsified state 16 g of each external emulsified composition immediately after preparation was filled in a 20 ml glass bottle and stored for 1 month under a light-shielded condition of 50 ° C. The appearance of each external emulsified composition after storage for 1 month was visually observed, and 15 points were "a state in which phase separation was not observed and the same emulsified state as immediately after preparation was maintained", and "phase separation was observed”. The degree of stability of the emulsified state was scored between 1 and 15 points, with 1 point being "a state in which the emulsified state could not be stably maintained and was not uniform even when shaken.” For reference, FIG. 1 shows the appearance of each external emulsified composition evaluated as 1 point and 15 points.
- the urea concentration in each external emulsified composition before and after storage for 2 months is quantified by HPLC, and the urea concentration before storage is set to 100%, and the residual rate (%) of urea after storage for 2 months is set to the first decimal place. The rounded value was calculated.
- the total number of subjects who evaluated "good elongation" or "relatively good elongation” was calculated as a score of elongation when applied around the nail.
- the softening effect of the keratin around the nail there are five stages of "satisfied”, “slightly satisfied”, “neither”, “slightly dissatisfied” and “dissatisfied” in terms of the softening effect of the keratin around the nail.
- the total number of subjects evaluated as “satisfied” or "slightly satisfied” was calculated as the score of the softening effect of the keratin around the nail.
- an external emulsified composition in which salicylic acid in each of the external emulsified compositions of Comparative Examples 1 and 2 was changed to ethyl salicylate or methyl salicylate was prepared, and the emulsified state, the stability of urea, and the nail circumference were prepared by the same method as in Test Example 1.
- the elongation and keratin softening effect when applied to the nails were evaluated, the same degree of phase separation and urea decomposition as in Comparative Examples 1 and 2 corresponding to this occurred, and the elongation and keratin when applied around the nails The softening effect score was similar.
- each external emulsified composition in which salicylic acid in each external composition of Examples 1 to 15 was changed to ethyl salicylate or methyl salicylate was prepared, and the emulsified state, urea stability, and urea stability were prepared by the same method as in Test Example 1.
- phase separation and the decomposition of urea could be suppressed to the same extent as in Examples 1 to 15 corresponding to this, and when applied around the nail.
- the scores of elongation and softening effect of keratin were similar.
- Formulation Example 1 An external emulsification composition (creamy oil-in-water emulsified preparation) having the composition shown in Table 4 was prepared.
- the emulsified state, the stability of urea, the elongation when applied around the nail, and the keratin softening effect were evaluated by the same method as in Test Example 1.
- the external emulsified compositions of Formulation Examples 1 to 7 were able to sufficiently suppress phase separation and urea decomposition during storage, and were also excellent in elongation and keratin softening effect when applied around the nail.
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Abstract
Le but de la présente invention est de fournir une composition émulsifiée qui est destinée à une application externe, qui contient de l'urée et un agent anti-inflammatoire à base d'acide salicylique, et qui peut supprimer la dégradation de l'urée et la séparation de phase résultant de sa conservation. La solution selon l'invention porte sur une composition émulsifiée pour application externe qui contient un ester d'acide gras de sorbitane et/ou un ester d'acide gras de glycérine en plus de l'urée et d'un agent anti-inflammatoire à base d'acide salicylique, et peut supprimer la dégradation de l'urée et de la séparation de phase résultant de sa conservation et peut avoir une excellente stabilité de conservation.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005263660A (ja) * | 2004-03-17 | 2005-09-29 | Shiseido Co Ltd | 尿素含有皮膚外用剤 |
JP2010189351A (ja) * | 2009-02-20 | 2010-09-02 | Shiseido Co Ltd | 経皮吸収促進剤及びこれを含有する皮膚外用剤 |
JP2011074033A (ja) * | 2009-09-30 | 2011-04-14 | Kobayashi Pharmaceutical Co Ltd | 外用医薬組成物 |
JP2014111563A (ja) * | 2012-10-31 | 2014-06-19 | Rohto Pharmaceut Co Ltd | 皮膚外用組成物 |
JP2014111575A (ja) * | 2012-11-02 | 2014-06-19 | Rohto Pharmaceut Co Ltd | 外用組成物 |
JP2014527024A (ja) * | 2011-05-12 | 2014-10-09 | アウキシリウム・クーラ・イノヴァティオ | 過角化皮膚を処置するための局所用配合物 |
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2021
- 2021-11-23 TW TW110143441A patent/TW202228712A/zh unknown
- 2021-12-07 WO PCT/JP2021/044976 patent/WO2022131081A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005263660A (ja) * | 2004-03-17 | 2005-09-29 | Shiseido Co Ltd | 尿素含有皮膚外用剤 |
JP2010189351A (ja) * | 2009-02-20 | 2010-09-02 | Shiseido Co Ltd | 経皮吸収促進剤及びこれを含有する皮膚外用剤 |
JP2011074033A (ja) * | 2009-09-30 | 2011-04-14 | Kobayashi Pharmaceutical Co Ltd | 外用医薬組成物 |
JP2014527024A (ja) * | 2011-05-12 | 2014-10-09 | アウキシリウム・クーラ・イノヴァティオ | 過角化皮膚を処置するための局所用配合物 |
JP2014111563A (ja) * | 2012-10-31 | 2014-06-19 | Rohto Pharmaceut Co Ltd | 皮膚外用組成物 |
JP2014111575A (ja) * | 2012-11-02 | 2014-06-19 | Rohto Pharmaceut Co Ltd | 外用組成物 |
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