CN114828810A - 防晒化妆品 - Google Patents
防晒化妆品 Download PDFInfo
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- CN114828810A CN114828810A CN202080086761.7A CN202080086761A CN114828810A CN 114828810 A CN114828810 A CN 114828810A CN 202080086761 A CN202080086761 A CN 202080086761A CN 114828810 A CN114828810 A CN 114828810A
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- silica
- ultraviolet
- sunscreen cosmetic
- powder
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- 239000002537 cosmetic Substances 0.000 title claims abstract description 63
- 230000000475 sunscreen effect Effects 0.000 title claims abstract description 40
- 239000000516 sunscreening agent Substances 0.000 title claims abstract description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 100
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000011814 protection agent Substances 0.000 claims abstract description 12
- 239000001913 cellulose Substances 0.000 claims abstract description 9
- 229920002678 cellulose Polymers 0.000 claims abstract description 9
- 229940099583 aluminum starch octenylsuccinate Drugs 0.000 claims abstract description 8
- 229920006167 biodegradable resin Polymers 0.000 claims abstract description 5
- 239000010445 mica Substances 0.000 claims abstract description 5
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 5
- 239000003223 protective agent Substances 0.000 claims abstract description 5
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 230000006750 UV protection Effects 0.000 abstract description 25
- 239000000203 mixture Substances 0.000 abstract description 20
- -1 "Escalol 507" Chemical compound 0.000 description 47
- 230000000052 comparative effect Effects 0.000 description 17
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
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- 238000011156 evaluation Methods 0.000 description 9
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- FMRHJJZUHUTGKE-UHFFFAOYSA-N Ethylhexyl salicylate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1O FMRHJJZUHUTGKE-UHFFFAOYSA-N 0.000 description 5
- 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 description 5
- HEAHZSUCFKFERC-IWGRKNQJSA-N [(2e)-2-[[4-[(e)-[7,7-dimethyl-3-oxo-4-(sulfomethyl)-2-bicyclo[2.2.1]heptanylidene]methyl]phenyl]methylidene]-7,7-dimethyl-3-oxo-4-bicyclo[2.2.1]heptanyl]methanesulfonic acid Chemical group CC1(C)C2CCC1(CS(O)(=O)=O)C(=O)\C2=C\C(C=C1)=CC=C1\C=C/1C(=O)C2(CS(O)(=O)=O)CCC\1C2(C)C HEAHZSUCFKFERC-IWGRKNQJSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
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- OIQXFRANQVWXJF-QBFSEMIESA-N (2z)-2-benzylidene-4,7,7-trimethylbicyclo[2.2.1]heptan-3-one Chemical class CC1(C)C2CCC1(C)C(=O)\C2=C/C1=CC=CC=C1 OIQXFRANQVWXJF-QBFSEMIESA-N 0.000 description 3
- 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 3
- 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 3
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- MEZZCSHVIGVWFI-UHFFFAOYSA-N 2,2'-Dihydroxy-4-methoxybenzophenone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1O MEZZCSHVIGVWFI-UHFFFAOYSA-N 0.000 description 2
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 description 2
- DWYHDSLIWMUSOO-UHFFFAOYSA-N 2-phenyl-1h-benzimidazole Chemical class C1=CC=CC=C1C1=NC2=CC=CC=C2N1 DWYHDSLIWMUSOO-UHFFFAOYSA-N 0.000 description 2
- BVNWQSXXRMNYKH-UHFFFAOYSA-N 4-phenyl-2h-benzotriazole Chemical class C1=CC=CC=C1C1=CC=CC2=C1NN=N2 BVNWQSXXRMNYKH-UHFFFAOYSA-N 0.000 description 2
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- 150000001558 benzoic acid derivatives Chemical class 0.000 description 2
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- NZZIMKJIVMHWJC-UHFFFAOYSA-N dibenzoylmethane Chemical class C=1C=CC=CC=1C(=O)CC(=O)C1=CC=CC=C1 NZZIMKJIVMHWJC-UHFFFAOYSA-N 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
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- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
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- UVCJGUGAGLDPAA-UHFFFAOYSA-N ensulizole Chemical compound N1C2=CC(S(=O)(=O)O)=CC=C2N=C1C1=CC=CC=C1 UVCJGUGAGLDPAA-UHFFFAOYSA-N 0.000 description 2
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- FMJSMJQBSVNSBF-UHFFFAOYSA-N octocrylene Chemical group C=1C=CC=CC=1C(=C(C#N)C(=O)OCC(CC)CCCC)C1=CC=CC=C1 FMJSMJQBSVNSBF-UHFFFAOYSA-N 0.000 description 2
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- WCJLCOAEJIHPCW-UHFFFAOYSA-N octyl 2-hydroxybenzoate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1O WCJLCOAEJIHPCW-UHFFFAOYSA-N 0.000 description 2
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- UEVAMYPIMMOEFW-UHFFFAOYSA-N trolamine salicylate Chemical compound OCCN(CCO)CCO.OC(=O)C1=CC=CC=C1O UEVAMYPIMMOEFW-UHFFFAOYSA-N 0.000 description 2
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- HEOCBCNFKCOKBX-RELGSGGGSA-N (1s,2e,4r)-4,7,7-trimethyl-2-[(4-methylphenyl)methylidene]bicyclo[2.2.1]heptan-3-one Chemical compound C1=CC(C)=CC=C1\C=C/1C(=O)[C@]2(C)CC[C@H]\1C2(C)C HEOCBCNFKCOKBX-RELGSGGGSA-N 0.000 description 1
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- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- ALBXRBNFWICCSC-UHFFFAOYSA-N 2-(5,5-dimethyl-1,1-diphenylhex-1-en-3-ylidene)propanedioic acid Chemical compound C=1C=CC=CC=1C(=CC(CC(C)(C)C)=C(C(O)=O)C(O)=O)C1=CC=CC=C1 ALBXRBNFWICCSC-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明的目的在于,通过提高紫外线防御剂所具有的紫外线防御力,提供一种防晒化妆品,其即使使用少量的紫外线防御剂也能够实现高的紫外线防御力且使用性优异、皮肤的负担也轻。本发明的防晒化妆品的特征在于,其含有下述成分(A)~(C):(A)紫外线防御剂、(B)粒径为0.3~1μm的二氧化硅及(C)粒径为1~30μm的粉体,前述(C)粉体为选自由二氧化硅、淀粉辛烯基琥珀酸铝、纤维素或其衍生物、蜡、云母、绢云母、生物降解性树脂组成的组中的1种以上。
Description
技术领域
本发明涉及防晒化妆品。更详细而言,涉及一种防晒化妆品,其通过配合具有规定粒径的二氧化硅和具有规定粒径且由规定材质构成的粉体、从而即使不大量配合紫外线防御剂也能够实现高的紫外线防御力、而且使用性优异、皮肤的负担也轻。
背景技术
保护皮肤免受紫外线伤害是皮肤护理、身体护理中的重要课题之一,为了将紫外线对皮肤造成的不良影响抑制到最低限度,开发了各种UV护理化妆品。作为UV护理化妆品之一的防晒化妆品(sunscreen cosmetics)是通过用配合有紫外线吸收剂、紫外线散射剂的涂膜覆盖皮肤来吸收或散射UVA及UVB、从而抑制到达皮肤的紫外线量、保护皮肤免受紫外线伤害的化妆品(非专利文献1)。
紫外线吸收剂由于可得到高的紫外线防御效果、与皮肤的融合性良好、耐汗、耐水,因此被配合于多种防晒化妆品中。但是,紫外线吸收剂中,有些在吸收紫外线时会放热、产生化学变化而引起皮肤发红、发痒、进而发生过敏等。例如,甲氧基肉桂酸乙基己酯(甲氧基肉桂酸辛酯)为吸收UVB的代表性的紫外线吸收剂,一直以来广泛用于防晒化妆品中,但是对于皮肤敏感的使用者而言有时会成为负担。专利文献1提出,为了缓和甲氧基肉桂酸乙基己酯的刺激而在皮肤外用剂中配合聚丙二醇二甲醚。
另外,紫外线吸收剂中在常温下为固体的类型也较多,为了使这些不析出、稳定地溶解于化妆品,需要相应量的油分。因此,在大量配合紫外线吸收剂时也不得不增加油分量,有时会产生由油分引起的黏腻、损害使用感。因此,作为大量配合油溶性紫外线吸收剂的替代方案,有时也配合水溶性紫外线吸收剂,但是通常有水溶性紫外线吸收剂的紫外线防御力弱于油溶性紫外线吸收剂的倾向,即使大量配合水溶性紫外线吸收剂,也难以实现充分的紫外线防御力。另外,配合水溶性紫外线吸收剂时,受与其一起配合的盐(中和盐)的影响,化妆品的稳定性有时会下降。
鉴于这些情况,提出了不使用紫外线吸收剂、而是使用对皮肤的刺激相对少的紫外线散射剂的技术,强调所谓的“不使用紫外线吸收剂”、“非化学”的化妆品已经上市。例如,专利文献2公开了一种含有作为紫外线散射剂的疏水化处理氧化锌和/或疏水化处理氧化钛、不含有机紫外线吸收剂且紫外线防御效果、乳化稳定性、使用感优异的防晒化妆品。另外,专利文献3提出了一种不含入眼时会产生刺激的甲氧基肉桂酸乙基己酯等紫外线吸收剂、而是配合具有紫外线散射作用的多种粉体成分的方案。
但是,为了仅凭借紫外线散射剂得到高的紫外线防御效果,则需要大量配合紫外线散射剂,存在涂布于皮肤时会产生不自然的白色(浮白)或使延展、皮肤融合性等使用性变差的情况。
现有技术文献
专利文献
专利文献1:日本专利第3683533号公报
专利文献2:日本专利第5554308号公报
专利文献3:日本专利第5813745号公报
非专利文献
非专利文献1:“新化妆品学”第2版、光井武夫编、2001年、南山堂发行、第497~504页
发明内容
发明要解决的问题
本发明是鉴于前述实际情况而作出的,其目的在于,通过提高紫外线防御剂所具有的紫外线防御力,从而提供即使使用少量的紫外线防御剂也能够实现高的紫外线防御力且使用性优异、皮肤的负担也轻的防晒化妆品。
用于解决问题的方案
本发明人们为了解决上述课题进行了深入研究,结果发现,通过向含有紫外线防御剂的防晒化妆品中配合具有规定粒径的二氧化硅和具有规定粒径且由规定材质构成的粉体,从而能够在皮肤上形成均匀的涂膜,由此能够提高紫外线防御力,在此基础上还能够实现优异的使用性,至此完成了本发明。
即,本发明的主旨为一种防晒化妆品,其含有下述成分(A)~(C):
(A)紫外线防御剂、
(B)粒径为0.3~1μm的二氧化硅、及
(C)粒径为1~30μm的粉体,
前述(C)粉体为选自由二氧化硅、淀粉辛烯基琥珀酸铝、纤维素或其衍生物、蜡、云母、绢云母、生物降解性树脂组成的组中的1种以上。
发明的效果
本发明通过采取上述构成,从而能够提高紫外线防御剂所具有的紫外线防御力,并且能够实现使用性也优异的防晒化妆品。
另外,由于将有时会给皮肤造成负担的紫外线吸收剂抑制为少量,因此能够提供安全性高的防晒化妆品。进而,即使不大量配合紫外线散射剂也能够实现高的紫外线防御效果,因此不易产生紫外线散射剂所特有的浮白、皮肤融合性差。
具体实施方式
本发明的防晒化妆品的特征在于,其含有(A)紫外线防御剂、具有规定粒径的(B)二氧化硅和具有规定粒径且由规定材质构成的(C)粉体。以下对构成本发明的化妆品的各成分进行详细说明。
<(A)紫外线防御剂(紫外线吸收剂和/或紫外线散射剂)>
本发明的防晒化妆品中配合的(A)紫外线防御剂是指紫外线吸收剂和/或紫外线散射剂,可以使用化妆品中通常配合者。
作为紫外线吸收剂,可列举例如:苯甲酸衍生物、水杨酸衍生物、肉桂酸衍生物、二苯甲酰甲烷衍生物、β,β-二苯基丙烯酸酯衍生物、二苯甲酮衍生物、苄亚基樟脑衍生物、苯基苯并咪唑衍生物、三嗪衍生物、苯基苯并三唑衍生物、蒽基衍生物、咪唑啉衍生物、亚苄基丙二酸酯衍生物、4,4-二芳基丁二烯衍生物等。以下列举出具体例和商品名等,但不限定于这些。
作为苯甲酸衍生物,可例示:对氨基苯甲酸(PABA)乙酯、二羟丙基PABA乙酯、二甲基PABA乙基己酯(例如“Escalol 507”,ISP公司)、PABA甘油酯、PEG-25-PABA(例如“UvinulP25”,BASF公司)、二乙氨羟苯甲酰基苯甲酸己酯(例如“Uvinul A Plus”)等。
作为水杨酸衍生物,可例示:胡莫柳酯(“Eusolex HMS”,RONA/EM Industries公司)、水杨酸乙基己酯或水杨酸辛酯(例如“NeoHeliopan OS”,Haarmann&Reimer公司)、一缩二丙二醇水杨酸酯(例如“Dipsal”,Scher公司)、TEA水杨酸酯(例如“NeoHeliopan TS”,Haarmann&Reimer公司)等。
作为肉桂酸衍生物,可例示:甲氧基肉桂酸辛酯或甲氧基肉桂酸乙基己酯(例如“Parsol MCX”,Hoffmann-La Roche公司)、甲氧基肉桂酸异丙酯、甲氧基肉桂酸异戊酯(例如“Neo Heliopan E1000”,Haarmann&Reimer公司)、甲氧基肉桂酸乙酯、DEA甲氧基肉桂酸酯、甲基肉桂酸二异丙酯、甘油-乙基己酸酯-二甲氧基肉桂酸酯、4’-甲氧基亚苄基丙二酸二-2-乙基己酯等。
作为二苯甲酰甲烷衍生物,可例示:4-叔丁基-4’-甲氧基二苯甲酰甲烷(例如“Parsol 1789”)等。
作为β,β-二苯基丙烯酸酯衍生物,可例示:奥克立林(例如“Uvinul N539T”,BASF公司)等。
作为二苯甲酮衍生物,可例示:二苯甲酮-1(例如“Uvinul 400”,BASF公司)、二苯甲酮-2(例如“Uvinul D50”,BASF公司)、二苯甲酮-3或氧苯酮(例如“Uvinul M40”,BASF公司)、二苯甲酮-4(例如“Uvinul MS40”,BASF公司)、二苯甲酮-5、二苯甲酮-6(例如“Helisorb 11”,Norquay公司)、二苯甲酮-8(例如“Spectra-Sorb UV-24”,AmericanCyanamide公司)、二苯甲酮-9(例如“Uvinul DS-49”,BASF公司)、二苯甲酮-12等。
作为苄亚基樟脑衍生物,可例示:3-苄亚基樟脑(例如“Mexoryl SD”,Sysmex公司)、4-甲基苄亚基樟脑、苄亚基樟脑磺酸(例如“Mexoryl SL”,Sysmex公司)、甲硫酸樟脑苄烷铵(例如“Mexoryl SO”,Sysmex公司)、对苯二亚甲基二樟脑磺酸(例如“Mexoryl SX”,Sysmex公司)、聚丙烯酰胺甲基苄亚基樟脑(例如“Mexoryl SW”,Sysmex公司)等。
作为苯基苯并咪唑衍生物,可例示:苯基苯并咪唑磺酸(例如“Eusolex232”,Merck公司)、苯基二苯并咪唑四磺酸二钠(例如“Neo Heliopan AP”,Haarmann&Reimer公司)等。
作为三嗪衍生物,可例示:双-乙基己氧苯酚甲氧苯基三嗪(例如“Tinosorb S”,Ciba Specialty Chemicals公司)、乙基己基三嗪酮(例如“Uvinul T150”,BASF公司)、二乙基己基丁酰胺三嗪酮(例如“Uvasorb HEB”,Sigma 3V公司)、2,4,6-三(二异丁基-4’-氨基亚苄基丙二酸酯)均三嗪、2,4,6-三[4-(2-乙基己氧基羰基)苯胺基]-1,3,5-三嗪等。
作为苯基苯并三唑衍生物,可例示:甲酚曲唑三硅氧烷(例如“Silatrizole”,Rhodia Chimie公司)、亚甲基双(苯并三唑基四甲基丁基酚)(例如“Tinosorb M”(CibaSpecialty Chemicals公司))等。
作为蒽基衍生物,可例示:邻氨基苯甲酸薄荷酯(例如“Neo Heliopan MA”,Haarmann&Reimer公司)等。
作为咪唑啉衍生物,可例示:二甲氧基亚苄基二氧代咪唑啉丙酸乙基己酯等。
作为亚苄基丙二酸酯衍生物,可例示具有亚苄基丙二酸酯官能团的聚有机硅氧烷(例如聚硅氧烷-15,“Parsol SLX”,DSM Nutrition Japan公司)等。
作为4,4-二芳基丁二烯衍生物,可例示:1,1-二羧基(2,2’-二甲基丙基)-4,4-二苯基丁二烯等。
作为特别优选的紫外线吸收剂的例子,可列举奥克立林、水杨酸辛酯、胡莫柳酯,优选含有这些中的至少1种。
紫外线散射剂没有特别限定,可列举例如细粒状的金属氧化物,例如氧化锌、氧化钛、氧化铁、氧化铈、氧化钨等。
紫外线散射剂可以是未经表面处理者,也可以是经各种疏水化表面处理而成者,优选使用经疏水化表面处理而成者。作为表面处理剂,可以使用在化妆品领域中通用的、例如聚二甲基硅氧烷、烷基改性有机硅等有机硅、辛基三乙氧基硅烷等烷氧基硅烷、糊精棕榈酸酯等糊精脂肪酸酯、硬脂酸等脂肪酸。
本发明中的(A)紫外线防御剂包括:仅由紫外线吸收剂构成的方式、仅由紫外线散射剂构成的方式、及包含紫外线吸收剂和紫外线散射剂这两者的方式。
(A)紫外线防御剂的配合量相对于防晒化妆品总量优选为5~40质量%,更优选为10~30质量%,进一步优选为10~20质量%。若(A)紫外线防御剂的配合量少于5质量%,则难以得到充分的紫外线防御效果,即使超过40质量%来配合,也无法期待与配合量相应的紫外线防御效果的增加,反而会使稳定性、使用性变差等,从这些角度出发不优选。
<(B)二氧化硅>
本发明的防晒化妆品中配合的(B)二氧化硅是粒径为0.3~1μm、优选为0.4~1μm、更优选为0.5~1μm的二氧化硅。若粒径在该范围内,则可以没有特别限制地使用通常用于化妆品的二氧化硅。
需要说明的是,本说明书中“粒径”是指利用基于激光衍射/散射法的粒度分布测定机测得的值。
从得到顺滑的优选的触感的角度出发,(B)二氧化硅的形状优选为球状,更优选为正球状。本发明中,正球状是指从任意方向投影观察时均显示大致正圆形,是指粒径的最小值为最大值的80%以上、更优选为90%以上。
另外,作为(B)二氧化硅,可以使用实施了疏水化处理者。作为疏水化处理剂,没有特别限定,例如可通过用有机硅烷系化合物、有机硅化合物、氟化合物等进行包覆来制备。更具体而言,可例示二甲基甲硅烷基化二氧化硅、三甲基甲硅烷基化二氧化硅、辛基甲硅烷基化二氧化硅、硅油处理二氧化硅、甲基聚硅氧烷处理二氧化硅、金属皂处理二氧化硅、氨基酸处理二氧化硅、高级醇处理二氧化硅、矿物系蜡处理二氧化硅等。
(B)二氧化硅可以使用市售品,可以适宜使用例如“COSMO 55”(日挥触媒化成株式会社)等。
(B)二氧化硅的配合量相对于防晒化妆品总量优选为0.2~2质量%,更优选为0.2~1.5质量%,进一步优选为0.2~1质量%。(B)二氧化硅的配合量若少于0.2质量%,则难以得到充分的紫外线防御力提高效果,若超过2质量%而配合,则有使用性变差的倾向。
<(C)粉体>
本发明的防晒化妆品中配合的(C)粉体通常是为了改善使用性而配合于化妆品的,为选自由二氧化硅、淀粉辛烯基琥珀酸铝、纤维素或其衍生物、蜡、云母、绢云母、生物降解性树脂组成的组中的1种以上。另外,也可以使用对这些的表面实施疏水化处理而得者。
(C)粉体的粒径为1~30μm,优选为4~20μm,更优选为4~10μm。若粒径处于该范围外,则存在得不到充分的使用性改善效果的情况。与(B)二氧化硅同样地,从得到顺滑的优选的触感的角度出发,(C)粉体的形状优选为球状,更优选为正球状。
可作为(C)粉体使用的二氧化硅在粒径大这一点上与(B)二氧化硅不同。作为市售品,可列举例如“SUNSPHERE L-51”(AGC Si-Tech Co.,Ltd.)等。
淀粉辛烯基琥珀酸铝为辛烯基琥珀酸酐与淀粉的反应产物的铝盐。由于具有吸油性,因此,有时用于化妆品中以改善黏腻等。作为市售品,可适宜使用例如“TAPIOCA SDS”(Bo-kwang公司)等。
纤维素或其衍生物除了包括纤维素以外,还包括纤维素分子中的羟基被置换而成者,可列举例如球状纤维素、甲基纤维素、乙基纤维素、羟乙基纤维素、羟丙基纤维素、羧甲基纤维素、甲基羟丙基纤维素等。
蜡是通过粉碎等将熔点为80℃以上的蜡粉末化而成者,只要是可配合于化妆品者就没有特别限定。作为这样的蜡,可通过将巴西棕榈蜡、合成烃蜡、聚乙烯蜡、乙烯丙烯共聚物蜡、费托蜡等蜡用JETMIZER等进行机械粉碎的方法、将蜡溶解于挥发性溶剂并进行喷雾干燥的方法等而粉末化,从而得到。作为市售品,可使用PRESS-AID-SP、PRESS-AID-XP(均为Presperse公司)等。
云母、绢云母均为层状硅酸盐,可作为体质颜料等广泛用于化妆品。
作为生物降解性树脂,可列举聚乳酸之类的聚酯系树脂、聚酯酰胺系树脂、聚酯碳酸酯系树脂、多糖类(polysaccharides)、多肽、木质素、及这些的衍生物。
(C)粉体的配合量相对于防晒化妆品总量优选为0.5~20质量%,更优选为1~10质量%,进一步优选为1~5质量%。(C)粉体的配合量在上述范围外时,有使用性变差的倾向。
<(B)二氧化硅与(C)粉体的配合质量比>
(B)二氧化硅与(C)粉体的配合质量比没有特别限定,优选(B)<(C),即,(C)粉体的配合量多于(B)二氧化硅的配合量。通过使(C)粉体的配合量多于(B)二氧化硅,从而有得到紫外线防御力提高效果及使用性这两者均特别优异的效果的倾向。
需要说明的是,本发明的防晒化妆品可在不妨碍本发明的效果的范围内进一步含有与(B)二氧化硅、(C)粉体的粒径不同的二氧化硅、淀粉辛烯基琥珀酸铝等粉末。
<任选配合成分>
本发明的防晒化妆品中,除了上述(A)~(C)成分以外,可在不妨碍本发明的效果的范围内配合化妆品中通常使用的成分。
例如,可根据需要适宜地配合油性成分、水性成分、醇类、保湿剂、增稠剂、表面活性剂、皮膜剂、粉体成分、紫外线散射剂、稳定化剂、螯合剂、防腐剂、香料等。
本发明的防晒化妆品可以以水性化妆品、油性化妆品、水包油型乳化化妆品、油包水型乳化化妆品之类的所有形态提供。作为具体的剂型,为化妆水、乳液、乳霜、露(lotion)、喷雾剂等,可使用适合于各剂型的常规方法来进行制造。
实施例
以下列举实施例来进一步详细地说明本发明,但是本发明不因为这些例子而受到任何限定。配合量在没有特别声明时以相对于防晒化妆品总量的质量%来表示。在对各实施例进行具体说明前,对采用的评价方法进行说明。
<紫外线防御力的提高率>
向测定板(S板)(5×5cm的带V形槽的PMMA(聚甲基丙烯酸甲酯)板、SPFMASTER-PA01)以2mg/cm2的量滴加各例的化妆品(样品),用手指涂布60秒,干燥15分钟后,利用株式会社日立制作所制造的U-3500型自记录分光光度计测定形成的涂膜的吸光度。将未涂布的板作为对照,通过下式算出吸光度(Abs),将280nm~400nm处的测定值累积,求出吸光度累计值。
Abs=-log(T/To)
T:样品的透射率、To:未涂布的透射率
由求出的样品的吸光度累计值,通过下式计算以未配合(B)二氧化硅及(C)粉体的对照样品(比较例1)为基准的紫外线防御力的提高率。
[紫外线防御力的提高率(%)]=[样品的吸光度累计值]/[比较例1的吸光度累计值]×100
对于算出的紫外线防御力的提高率,按照以下的评分基准进行判定。
“评价基准”
A:紫外线防御力的提高率为110%以上
B:紫外线防御力的提高率为105%以上且小于110%
C:紫外线防御力的提高率小于105%
<使用性>
请10名专门小组成员实际使用实施例及比较例的各样品,对使用性(无黏腻、水润感)进行评价。请各位专门小组成员按照下述评分基准进行5阶段感官评价,通过其合计分数基于下述评价基准进行判定。
“评分基准”
5:非常优异
4:优异
3:普通
2:差
1:非常差
“评价基准”
A:合计分数为40分以上
B:合计分数为30~39分
C:合计分数为29分以下
<实施例1~2及比较例1~9>
制备具有下述表1中记载的组成的油包水型防晒化妆品。按照上述评价方法评价紫外线防御力的提高率及使用性。
[表1]
如上述表1所示,配合了相当于(B)成分的二氧化硅和相当于(C)成分的二氧化硅这两者时,与未配合这些时(比较例1)相比,除了确认到紫外线防御力明显提高的效果以外,还得到了使用性也优异的结果(实施例1~2)。
另一方面,仅配合了相当于(B)成分的二氧化硅时,确认到紫外线防御力提高,但是使用性显著差(比较例2)。另外,仅配合了相当于(C)成分的二氧化硅时,虽然使用性优异,但是未确认到紫外线防御力的提高(比较例3)。
进一步地,在配合了粒径远远小于比较例2的二氧化硅时,也确认到紫外线防御力提高(比较例4),但是即使与相当于(C)成分的二氧化硅组合配合,也未能同时实现紫外线防御力提高效果和优异的使用性(比较例5)。
另外,配合作为用于改变通常化妆品的使用性的粉体而通用的球状PMMA粉体、乙烯基聚二甲基硅氧烷/聚甲基硅氧烷硅倍半氧烷交联聚合物粉体时,使用性的确显示出优异的结果(比较例6及8),但是即使将这些与相当于(B)成分的二氧化硅组合,也未能充分提高紫外线防御力(比较例7及9)。
<实施例3~6及比较例10~11>
制备具有以下的表2中记载的组成的油包水型防晒化妆品,按照上述评价方法,评价了紫外线防御力的提高率及使用性。其中,在紫外线防御力的提高率的评价中,使用比较例10作为对照样品来代替比较例1。
[表2]
如上述的表2所示,配合了相当于(B)成分的二氧化硅和相当于(C)成分的二氧化硅或淀粉辛烯基琥珀酸铝时,与未配合这些时(比较例10)相比,除了确认到紫外线防御力明显提高的效果以外,还得到了使用性也优异的结果(实施例3~6)。
另一方面,仅配合相当于(C)成分的淀粉辛烯基琥珀酸铝时,虽然使用性优异,但是未能充分提高紫外线防御力(比较例11)。
以下例示出本发明的化妆品的配方。本发明不因这些配方例而受到任何限定,而是由权利要求书来规定,这是不言自明的。需要说明的是,配合量均以相对于化妆品总量的质量%来表示。
配方例1:水包油型防晒化妆品
配方例2:油性防晒化妆品
配方例3:水包油型防晒化妆品
配方例4:水包油型防晒化妆品
配方例5:油包水型防晒化妆品
配方例6:油包水型防晒化妆品
Claims (5)
1.一种防晒化妆品,其含有下述成分(A)~(C):
(A)紫外线防御剂、
(B)粒径为0.3~1μm的二氧化硅、及
(C)粒径为1~30μm的粉体,
所述(C)粉体为选自由二氧化硅、淀粉辛烯基琥珀酸铝、纤维素或其衍生物、蜡、云母、绢云母、生物降解性树脂组成的组中的1种以上。
2.根据权利要求1所述的防晒化妆品,其中,(B)二氧化硅的配合量为0.2~2质量%。
3.根据权利要求1或2所述的防晒化妆品,其中,(C)粉体的配合量为0.5~20质量%。
4.根据权利要求1~3中任一项所述的防晒化妆品,其中,(C)粉体的配合量比(B)二氧化硅的配合量多。
5.根据权利要求1~4中任一项所述的防晒化妆品,其中,(A)紫外线防御剂为紫外线吸收剂。
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CN202080086754.7A Pending CN114828809A (zh) | 2019-12-16 | 2020-12-16 | 防晒化妆品 |
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EP (1) | EP4079286A4 (zh) |
JP (2) | JPWO2021125212A1 (zh) |
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JP2006335993A (ja) * | 2005-06-06 | 2006-12-14 | Shiseido Co Ltd | カチオン性ポリマー |
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JP2014019688A (ja) * | 2012-07-23 | 2014-02-03 | Nippon Menaade Keshohin Kk | 油性液状サンスクリーン剤 |
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JP2003095872A (ja) * | 2001-09-27 | 2003-04-03 | Kose Corp | 固形粉末化粧料 |
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US7253249B2 (en) * | 2003-04-22 | 2007-08-07 | Arizona Chemical Company | Ester-terminated poly(ester-amide) in personal care products |
JP4847762B2 (ja) * | 2006-02-14 | 2011-12-28 | 株式会社 資生堂 | カチオン性ポリマー吸着粉体、薄膜被覆粉体及びそれを含む皮膚外用剤 |
WO2011061864A1 (en) * | 2009-11-20 | 2011-05-26 | L'oreal | A cosmetic or dermatological composition with low stickiness, containing a lipophilic active ingredient |
JP5554308B2 (ja) | 2011-10-27 | 2014-07-23 | 株式会社 資生堂 | 日焼け止め水中油型乳化化粧料 |
JP5973205B2 (ja) * | 2012-03-30 | 2016-08-23 | 株式会社コーセー | 化粧料用処理粉体及びそれを配合する化粧料 |
JP6053346B2 (ja) * | 2012-06-22 | 2016-12-27 | 三菱鉛筆株式会社 | 液体塗布具 |
US20140105943A1 (en) * | 2012-10-15 | 2014-04-17 | L'oreal | Aqueous wax dispersions containing sunscreen agents |
CN110302073A (zh) * | 2012-10-15 | 2019-10-08 | 欧莱雅 | 水性蜡分散体及包含它们的头发定型组合物 |
JP5813745B2 (ja) | 2013-12-26 | 2015-11-17 | 株式会社 資生堂 | 油中水型乳化日焼け止め化粧料 |
JP7163040B2 (ja) * | 2017-03-27 | 2022-10-31 | 株式会社コーセー | 固形粉末化粧料及びその製造方法 |
KR102648547B1 (ko) * | 2017-06-08 | 2024-03-18 | 가부시키가이샤 시세이도 | 유중 수형 유화 화장료 |
JP7020855B2 (ja) * | 2017-10-16 | 2022-02-16 | 株式会社アルビオン | 固形粉末化粧料 |
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2020
- 2020-12-16 JP JP2021565615A patent/JPWO2021125212A1/ja active Pending
- 2020-12-16 CN CN202080086754.7A patent/CN114828809A/zh active Pending
- 2020-12-16 US US17/785,689 patent/US20230046650A1/en active Pending
- 2020-12-16 WO PCT/JP2020/046913 patent/WO2021125212A1/ja unknown
- 2020-12-16 US US17/785,697 patent/US20230053779A1/en active Pending
- 2020-12-16 JP JP2021565614A patent/JPWO2021125211A1/ja active Pending
- 2020-12-16 EP EP20902893.5A patent/EP4079286A4/en active Pending
- 2020-12-16 CN CN202080086761.7A patent/CN114828810A/zh active Pending
- 2020-12-16 WO PCT/JP2020/046912 patent/WO2021125211A1/ja active Application Filing
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JP2006335993A (ja) * | 2005-06-06 | 2006-12-14 | Shiseido Co Ltd | カチオン性ポリマー |
JP2013136493A (ja) * | 2011-12-28 | 2013-07-11 | Jgc Catalysts & Chemicals Ltd | 紫外線遮蔽効果を有するシリカ系粒子の製造方法および該方法から得られたシリカ系粒子並びに該シリカ系粒子を配合してなる化粧料 |
JP2014019688A (ja) * | 2012-07-23 | 2014-02-03 | Nippon Menaade Keshohin Kk | 油性液状サンスクリーン剤 |
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EP4079286A4 (en) | 2024-02-28 |
WO2021125211A1 (ja) | 2021-06-24 |
US20230053779A1 (en) | 2023-02-23 |
JPWO2021125211A1 (zh) | 2021-06-24 |
US20230046650A1 (en) | 2023-02-16 |
EP4079286A1 (en) | 2022-10-26 |
CN114828809A (zh) | 2022-07-29 |
JPWO2021125212A1 (zh) | 2021-06-24 |
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