JP2015229635A - Spray composition, and spray products for preventing sunburn which contains spray composition - Google Patents
Spray composition, and spray products for preventing sunburn which contains spray composition Download PDFInfo
- Publication number
- JP2015229635A JP2015229635A JP2014115073A JP2014115073A JP2015229635A JP 2015229635 A JP2015229635 A JP 2015229635A JP 2014115073 A JP2014115073 A JP 2014115073A JP 2014115073 A JP2014115073 A JP 2014115073A JP 2015229635 A JP2015229635 A JP 2015229635A
- Authority
- JP
- Japan
- Prior art keywords
- spray
- composition
- fatty acid
- spray composition
- ultraviolet absorber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims abstract description 238
- 239000000203 mixture Substances 0.000 title claims abstract description 189
- 206010042496 Sunburn Diseases 0.000 title abstract description 6
- 230000003405 preventing effect Effects 0.000 title abstract description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 77
- 229930195729 fatty acid Natural products 0.000 claims abstract description 77
- 239000000194 fatty acid Substances 0.000 claims abstract description 77
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 60
- 239000003921 oil Substances 0.000 claims abstract description 56
- -1 sucrose fatty acid ester Chemical class 0.000 claims abstract description 52
- 238000005507 spraying Methods 0.000 claims abstract description 47
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 44
- 239000004359 castor oil Substances 0.000 claims abstract description 36
- 235000019438 castor oil Nutrition 0.000 claims abstract description 36
- 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 claims abstract description 36
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229930006000 Sucrose Natural products 0.000 claims abstract description 31
- 239000005720 sucrose Substances 0.000 claims abstract description 31
- 230000037072 sun protection Effects 0.000 claims description 38
- 239000002904 solvent Substances 0.000 claims description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 150000005690 diesters Chemical group 0.000 claims description 5
- 238000004945 emulsification Methods 0.000 abstract description 13
- 239000012611 container material Substances 0.000 abstract description 3
- 230000002123 temporal effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 64
- 239000012071 phase Substances 0.000 description 44
- 239000007789 gas Substances 0.000 description 41
- 239000000839 emulsion Substances 0.000 description 22
- 230000000475 sunscreen effect Effects 0.000 description 18
- 239000000516 sunscreening agent Substances 0.000 description 18
- 239000008346 aqueous phase Substances 0.000 description 17
- 238000011049 filling Methods 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 239000006096 absorbing agent Substances 0.000 description 12
- 239000004480 active ingredient Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 239000000443 aerosol Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000007764 o/w emulsion Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000003380 propellant Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- AFDXODALSZRGIH-QPJJXVBHSA-N (E)-3-(4-methoxyphenyl)prop-2-enoic acid Chemical compound COC1=CC=C(\C=C\C(O)=O)C=C1 AFDXODALSZRGIH-QPJJXVBHSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 150000005417 aminobenzoic acid derivatives Chemical class 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 150000001851 cinnamic acid derivatives Chemical class 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000010696 ester oil Substances 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 229960005150 glycerol Drugs 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- 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 2
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- KXTAOXNYQGASTA-UHFFFAOYSA-N 2-benzylidenepropanedioic acid Chemical class OC(=O)C(C(O)=O)=CC1=CC=CC=C1 KXTAOXNYQGASTA-UHFFFAOYSA-N 0.000 description 2
- 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 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
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- ZAKOWWREFLAJOT-CEFNRUSXSA-N D-alpha-tocopherylacetate Chemical compound CC(=O)OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C ZAKOWWREFLAJOT-CEFNRUSXSA-N 0.000 description 2
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 2
- IUMSDRXLFWAGNT-UHFFFAOYSA-N Dodecamethylcyclohexasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 IUMSDRXLFWAGNT-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- VYGQUTWHTHXGQB-FFHKNEKCSA-N Retinol Palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C VYGQUTWHTHXGQB-FFHKNEKCSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000005215 alkyl ethers Chemical class 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
- POJWUDADGALRAB-UHFFFAOYSA-N allantoin Chemical compound NC(=O)NC1NC(=O)NC1=O POJWUDADGALRAB-UHFFFAOYSA-N 0.000 description 2
- 150000008366 benzophenones Chemical class 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 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
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 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
- 229960000655 ensulizole Drugs 0.000 description 2
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- 239000008269 hand cream Substances 0.000 description 2
- 229960004881 homosalate Drugs 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000002563 ionic surfactant Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 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
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229960004063 propylene glycol Drugs 0.000 description 2
- 229940058287 salicylic acid derivative anticestodals Drugs 0.000 description 2
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
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- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
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- JPWUIQIFCDAWQX-UHFFFAOYSA-N 2,3-dihydroxypropyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OCC(O)CO JPWUIQIFCDAWQX-UHFFFAOYSA-N 0.000 description 1
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- UIVPNOBLHXUKDX-UHFFFAOYSA-N 3,5,5-trimethylhexyl 3,5,5-trimethylhexanoate Chemical compound CC(C)(C)CC(C)CCOC(=O)CC(C)CC(C)(C)C UIVPNOBLHXUKDX-UHFFFAOYSA-N 0.000 description 1
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 description 1
- BUUSNVSJZVGMFY-UHFFFAOYSA-N 4-ethylheptane-3,3-diol Chemical compound CCCC(CC)C(O)(O)CC BUUSNVSJZVGMFY-UHFFFAOYSA-N 0.000 description 1
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 1
- POJWUDADGALRAB-PVQJCKRUSA-N Allantoin Natural products NC(=O)N[C@@H]1NC(=O)NC1=O POJWUDADGALRAB-PVQJCKRUSA-N 0.000 description 1
- DKLGGNTZHFDTAY-UHFFFAOYSA-N C(CC)(=O)O.C(CCCCCCC)C(C1=CC=CC=C1)=C1N(C(C(N1OC)=O)=O)OC Chemical compound C(CC)(=O)O.C(CCCCCCC)C(C1=CC=CC=C1)=C1N(C(C(N1OC)=O)=O)OC DKLGGNTZHFDTAY-UHFFFAOYSA-N 0.000 description 1
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
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Landscapes
- Cosmetics (AREA)
Abstract
Description
本発明は、噴霧用組成物および該噴霧用組成物を含む日焼け防止用噴霧製品に関する。より詳細には、本発明は、乳化安定性が優れ、噴霧箇所に日焼け防止効果を付与することのできる噴霧用組成物および該噴霧用組成物を含む日焼け防止用噴霧製品に関する。 The present invention relates to a spray composition and a sunscreen spray product comprising the spray composition. More specifically, the present invention relates to a spray composition that has excellent emulsification stability and is capable of imparting a sun protection effect to a spray location, and a spray product for sun protection containing the spray composition.
従来、皮膚や頭髪等の適用箇所に日焼け防止効果を付与するための、紫外線吸収剤を含む組成物が知られている。また、近年、このような組成物は、使用感を向上させるために、水相中に油相を分散させた水中油型（Ｏ／Ｗ型）エマルション（乳化組成物）とされることがある。このような乳化組成物は、経時的に乳化状態が壊れて分離しやすい。そのため、このような乳化組成物は、乳化組成物を適宜容器に充填して噴霧製品として使用する際、使用前にたとえば上下に振とうする必要がある。 Conventionally, a composition containing an ultraviolet absorber for imparting a sunburn preventing effect to an application site such as skin and hair is known. In recent years, in order to improve the feeling of use, such a composition may be an oil-in-water (O / W) emulsion (emulsified composition) in which an oil phase is dispersed in an aqueous phase. . Such an emulsified composition is easily separated due to a breakage of the emulsified state over time. Therefore, when such an emulsified composition is appropriately filled in a container and used as a spray product, it is necessary to shake it up and down, for example, before use.
このような問題に鑑みて、特許文献１には、紫外線吸収剤と親水性界面活性剤と両親媒性物質と水とを含み、平均粒子径が１０〜３００ｎｍであるＯ／Ｗ型乳化組成物が開示されている。この乳化組成物は、ディスペンサー容器や圧縮ガスとともにエアゾール型容器に充填され、適宜噴霧される。また、この乳化組成物は、平均粒子径が小さいため、経時的な分離が抑制されやすい。さらに、特許文献２には、ショ糖脂肪酸ジエステルと水溶性のイオン性界面活性剤を用いた乳化組成物が開示されている。この乳化組成物は、Ｏ／Ｗ型でありながら、適用箇所における撥水性が優れる。また、この乳化組成物は、ハンドクリーム等として使用者が適用箇所に塗り拡げることにより使用される。 In view of such a problem, Patent Document 1 discloses an O / W emulsion composition containing an ultraviolet absorber, a hydrophilic surfactant, an amphiphilic substance, and water, and having an average particle size of 10 to 300 nm. Is disclosed. The emulsified composition is filled in an aerosol container together with a dispenser container and a compressed gas, and sprayed as appropriate. Moreover, since this emulsion composition has a small average particle diameter, it is easy to suppress separation with time. Furthermore, Patent Document 2 discloses an emulsified composition using a sucrose fatty acid diester and a water-soluble ionic surfactant. This emulsified composition is excellent in water repellency at the application site while being O / W type. In addition, the emulsified composition is used as a hand cream or the like by the user spreading it on the application site.
しかしながら、特許文献１に記載の乳化組成物は、粒子径を小さくするために高圧で乳化を行う必要があり、生産効率が悪い。また、特許文献１に記載の乳化組成物は、粒子径をナノオーダーまで小さくするという物理的手法により水相と油相との分離が抑制されているに過ぎず、材料の選択に着目して乳化安定性を向上させたものではない。さらに、特許文献２に記載の乳化組成物は、ハンドクリーム等として使用されることが開示されているが、噴霧用組成物として使用されることについては想定されていない。また、特許文献２に記載の乳化組成物は、適用箇所における撥水性は考慮されているものの、経時的な乳化安定性については考慮されていない。さらに、特許文献２に記載の乳化組成物は、イオン性界面活性剤を含んでおり、たとえば金属製の容器に充填されると、容器を腐食させる虞がある。そのため、特許文献２に記載の乳化組成物は、充填される際の材料が限定される。 However, the emulsified composition described in Patent Document 1 needs to be emulsified at a high pressure in order to reduce the particle size, resulting in poor production efficiency. Moreover, the emulsification composition of patent document 1 is only suppressing the isolation | separation of an aqueous phase and an oil phase by the physical method of making a particle diameter small to nano order, and pays attention to selection of material. It does not improve the emulsion stability. Furthermore, although it is disclosed that the emulsified composition described in Patent Document 2 is used as a hand cream or the like, it is not assumed to be used as a spray composition. Moreover, although the water repellency in the application location is considered, the emulsification composition of patent document 2 is not considered about the emulsion stability with time. Furthermore, the emulsified composition described in Patent Document 2 contains an ionic surfactant. For example, when filled in a metal container, the container may be corroded. Therefore, the material for filling the emulsified composition described in Patent Document 2 is limited.
本発明は、このような従来の問題に鑑みてなされたものであり、充填時の容器材料が限定されず、適用箇所に噴霧して使用され、経時的な乳化安定性に優れた噴霧用組成物および該噴霧用組成物を含む日焼け防止用噴霧製品を提供することを目的とする。 The present invention has been made in view of such a conventional problem, and the container material at the time of filling is not limited. The spray composition is used by spraying at an application site and has excellent emulsion stability over time. An object of the present invention is to provide a sunscreen spray product comprising the product and the spray composition.
上記課題を解決する本発明の噴霧用組成物および日焼け防止用噴霧製品は、以下の構成を主に含む。 The spray composition and the sunscreen spray product of the present invention that solve the above problems mainly include the following constitutions.
（１）紫外線吸収剤と、乳化剤と、水とを含み、前記乳化剤は、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含み、前記乳化剤により、前記水を含む水相中に、前記紫外線吸収剤を含む油相が形成された、噴霧用組成物。 (1) An ultraviolet absorber, an emulsifier, and water are included, and the emulsifier includes a sucrose fatty acid ester and a fatty acid hydrogenated castor oil, and the ultraviolet absorber is absorbed into the aqueous phase containing the water by the emulsifier. The composition for spraying in which the oil phase containing an agent was formed.
このような構成によれば、本発明の噴霧用組成物は、乳化剤を含む。このような乳化剤は、水を含む水相中に、紫外線吸収剤を含む油相を形成する。また、本発明の噴霧用組成物は、乳化剤がショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含む。このような乳化剤は、噴霧用組成物の乳化安定性を高めることができる。また、油相の分離が抑制される。したがって、たとえばこのような噴霧用組成物を充填した噴霧製品を作製する場合において、作製された噴霧用製品は、使用前に上下に振とうする等により油相を水相中に再分散させる必要がない。また、乳化剤に含まれる脂肪酸水添ヒマシ油は、金属を腐食しない。そのため、噴霧用組成物は、充填時の材料が限定されず、種々の材料を使用することができる。 According to such a structure, the composition for spraying of this invention contains an emulsifier. Such an emulsifier forms an oil phase containing an ultraviolet absorber in an aqueous phase containing water. In the spray composition of the present invention, the emulsifier includes sucrose fatty acid ester and fatty acid hydrogenated castor oil. Such an emulsifier can enhance the emulsion stability of the spray composition. Moreover, separation of the oil phase is suppressed. Therefore, for example, when producing a spray product filled with such a spray composition, the produced spray product needs to be redispersed in the aqueous phase by shaking up and down before use. There is no. Moreover, the fatty acid hydrogenated castor oil contained in the emulsifier does not corrode metals. Therefore, the composition for spraying is not limited to the material at the time of filling, and various materials can be used.
（２）前記ショ糖脂肪酸エステルと前記脂肪酸水添ヒマシ油との含有量の合計が、噴霧用組成物中０．１〜１０質量％であり、好ましくは０．５〜５質量％である、（１）記載の噴霧用組成物。 (2) The total content of the sucrose fatty acid ester and the fatty acid hydrogenated castor oil is 0.1 to 10% by mass, preferably 0.5 to 5% by mass in the spray composition. (1) The composition for spraying as described.
このような構成によれば、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有量の合計は、噴霧用組成物中０．１〜１０質量％である。噴霧用組成物は、このような含有量のショ糖脂肪酸エステルおよび脂肪酸水添ヒマシ油を含む場合、油相の分離が抑制されつつ、使用時のべたつきも抑えられる。 According to such a structure, the sum total of content of sucrose fatty acid ester and fatty acid hydrogenated castor oil is 0.1-10 mass% in the composition for spraying. When the composition for spraying contains such a content of sucrose fatty acid ester and fatty acid hydrogenated castor oil, separation of the oil phase is suppressed and stickiness during use is also suppressed.
（３）前記噴霧用組成物が、油性溶剤をさらに含む、（１）または（２）記載の噴霧用組成物。 (3) The spray composition according to (1) or (2), wherein the spray composition further comprises an oily solvent.
このような構成によれば、噴霧用組成物は、油性溶剤をさらに含む。油性溶剤は、油相を構成する紫外線吸収剤を適宜溶解することができる。そのため、夏場の店舗や消費者の持ち運びなどの保管状況により急激に温度変化しても、噴霧用組成物は、紫外線吸収剤の分離が防止され、乳化安定性が高められる。 According to such a configuration, the spray composition further includes an oily solvent. The oily solvent can appropriately dissolve the ultraviolet absorber constituting the oil phase. Therefore, even if the temperature changes suddenly depending on storage conditions such as stores in the summer or when carried by consumers, the spray composition prevents the ultraviolet absorbent from being separated and improves the emulsion stability.
（４）前記油性溶剤が、脂肪酸と２価アルコールとのジエステルである、（３）記載の噴霧用組成物。 (4) The spray composition according to (3), wherein the oily solvent is a diester of a fatty acid and a dihydric alcohol.
このような構成によれば、油性溶剤は、脂肪酸と２価アルコールとのジエステルである。噴霧用組成物は、このような油性溶剤が使用される場合、油相中の紫外線吸収剤が析出しにくく、紫外線吸収剤によるべたつきが抑えられる。 According to such a configuration, the oily solvent is a diester of a fatty acid and a dihydric alcohol. In the spray composition, when such an oily solvent is used, the ultraviolet absorber in the oil phase hardly precipitates, and stickiness due to the ultraviolet absorber is suppressed.
（５）（１）〜（４）のいずれかに記載の噴霧用組成物と、圧縮ガスと、前記噴霧用組成物および前記圧縮ガスが充填される噴霧容器と、を備える日焼け防止用噴霧製品。 (5) A spray product for sun protection comprising the spray composition according to any one of (1) to (4), a compressed gas, and a spray container filled with the spray composition and the compressed gas. .
このような構成によれば、日焼け防止用噴霧製品は、上記した噴霧用組成物と、圧縮ガスと、噴霧用組成物および圧縮ガスが充填される噴霧容器と、を備える。噴霧用組成物は、乳化安定性が高く、油相が分離しにくい。そのため、使用者は、使用前に日焼け防止用噴霧製品を上下に振とうさせる等の操作を行わずに、そのまま使用することができる。その結果、日焼け防止用噴霧製品は、利便性がよい。また、上下に振とうする必要がないため、噴霧容器内に充填された圧縮ガス（主に気相部分に存在）は、噴霧用組成物に分散されにくい。そのため、圧縮ガスは、噴霧のたびに外部に漏出しにくい。その結果、日焼け防止用噴霧製品は、噴射容器内の圧力が低下しにくく、噴霧用組成物を安定して噴霧することができる。さらに、日焼け防止用噴霧製品は、圧縮ガスを使用して噴霧用組成物を噴霧する。この場合、噴霧された噴霧用組成物は、たとえば液化ガスを用いて噴霧する場合と比較して、大きな粒子を形成しやすい。そのため、使用者は、噴霧された噴霧用組成物を吸引しにくい。その結果、日焼け防止用噴霧製品は、顔などにも好適に使用することができる。 According to such a configuration, a sunscreen spray product includes the above-described spray composition, a compressed gas, and a spray container filled with the spray composition and the compressed gas. The spray composition has high emulsification stability and the oil phase is difficult to separate. Therefore, the user can use it as it is, without performing operations such as shaking the sunscreen spray product up and down before use. As a result, the sunscreen spray product is convenient. Moreover, since it is not necessary to shake up and down, the compressed gas (mainly present in the gas phase portion) filled in the spray container is difficult to be dispersed in the spray composition. Therefore, the compressed gas is unlikely to leak to the outside every time it is sprayed. As a result, the spray product for sun protection is less likely to reduce the pressure in the spray container, and the spray composition can be sprayed stably. In addition, sunscreen spray products use a compressed gas to spray the spray composition. In this case, the sprayed composition for spraying tends to form large particles as compared with the case of spraying using a liquefied gas, for example. Therefore, it is difficult for the user to suck the sprayed composition for spraying. As a result, the sunscreen spray product can be suitably used for the face and the like.
（６）前記噴霧容器が、金属製である、（５）記載の日焼け防止用噴霧製品。 (6) The spray product for sun protection according to (5), wherein the spray container is made of metal.
このような構成によれば、噴霧容器は、金属製である。しかしながら、噴霧用組成物は、脂肪酸水添ヒマシ油を含む。脂肪酸水添ヒマシ油は、金属を腐食しない。そのため、日焼け防止用噴霧製品は、樹脂が劣化しやすい高温環境でも好適に使用される。 According to such a configuration, the spray container is made of metal. However, the spray composition comprises fatty acid hydrogenated castor oil. Fatty acid hydrogenated castor oil does not corrode metals. Therefore, the spray product for sun protection is preferably used even in a high temperature environment where the resin is likely to deteriorate.
本発明によれば、充填時の容器材料が限定されず、適用箇所に噴霧して使用され、経時的な乳化安定性に優れた噴霧用組成物および該噴霧用組成物を含む日焼け防止用噴霧製品を提供することができる。 According to the present invention, the container material at the time of filling is not limited, and the spray composition is used by spraying at an application site and has excellent emulsification stability over time, and the sunscreen spray containing the spray composition. Products can be provided.
＜噴霧用組成物＞
本発明の一実施形態の噴霧用組成物について、詳細に説明する。本実施形態の噴霧用組成物は、噴霧される箇所に日焼け防止効果を付与するための組成物である。噴霧される箇所（適用箇所）としては、紫外線による日焼けを防止することが求められる箇所であれば特に限定されない。このような適用箇所としては、皮膚や頭髪等が例示される。噴霧用組成物は、紫外線吸収剤と、乳化剤と、水とを含む。また、噴霧用組成物は、好適には油性溶剤をさらに含む。乳化剤は、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含む。乳化剤は、水を含む水相中に、紫外線吸収剤を含む油相が形成された、水中油型エマルションを形成する。本実施形態の噴霧用組成物は、乳化安定性が優れており、油相が分離しにくい。以下、それぞれの構成について説明する。
<Composition for spraying>
The spray composition of one embodiment of the present invention will be described in detail. The composition for spraying of this embodiment is a composition for providing the sunscreen prevention effect to the location sprayed. The location to be sprayed (application location) is not particularly limited as long as it is required to prevent sunburn due to ultraviolet rays. Examples of such application locations include skin and hair. The composition for spraying contains an ultraviolet absorber, an emulsifier, and water. The spray composition preferably further contains an oily solvent. The emulsifier contains sucrose fatty acid ester and fatty acid hydrogenated castor oil. The emulsifier forms an oil-in-water emulsion in which an oil phase containing an ultraviolet absorber is formed in an aqueous phase containing water. The spray composition of the present embodiment has excellent emulsion stability, and the oil phase is difficult to separate. Hereinafter, each configuration will be described.
（紫外線吸収剤）
紫外線吸収剤は、適用箇所に付着して、紫外線による損傷を防止するために配合される。紫外線吸収剤は、噴霧用組成物の油相を構成し得るものであれば特に限定されない。また、紫外線吸収剤の性状は特に限定されない。すなわち、紫外線吸収剤は、固体状であってもよく液体状であってもよい。液体状の紫外線吸収剤は、そのものが油相を構成することができるため、利便性がよい。一方、固体状の紫外線吸収剤は、固体状のままでは水相中に均一に乳化させることが困難な場合がある。そのため、固体状の紫外線吸収剤は、液体状の紫外線吸収剤に溶解してから使用されてもよく、後述する好適に使用される油性溶剤に溶解してから使用されてもよい。
(UV absorber)
An ultraviolet absorber adheres to an application location and is mix | blended in order to prevent the damage by ultraviolet rays. An ultraviolet absorber will not be specifically limited if it can comprise the oil phase of the composition for spraying. Moreover, the property of an ultraviolet absorber is not specifically limited. That is, the ultraviolet absorber may be solid or liquid. Since the liquid ultraviolet absorber itself can constitute an oil phase, it is convenient. On the other hand, a solid ultraviolet absorber may be difficult to uniformly emulsify in an aqueous phase if it remains solid. Therefore, the solid ultraviolet absorber may be used after being dissolved in a liquid ultraviolet absorber, or may be used after being dissolved in a suitably used oily solvent described later.
紫外線吸収剤としては、アミノ安息香酸誘導体、ケイ皮酸誘導体、サリチル酸誘導体、ジフェニルアクリレート誘導体、ベンゾフェノン誘導体、ベンジリデンショウノウ誘導体、フェニルベンズイミダゾール誘導体、ベンザルマロネート誘導体、ジベンゾイルメタン誘導体等が例示される。より具体的には、アミノ安息香酸誘導体として、ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル、ジメチルアミノ安息香酸エチルヘキシル、パラアミノ安息香酸、パラアミノ安息香酸エチル、パラアミノ安息香酸グリセリル、パラジメチルアミノ安息香酸アミル、パラジメチルアミノ安息香酸オクチル等が例示される。ケイ皮酸誘導体として、メトキシケイ皮酸エチルヘキシル、ジイソプロピオンケイ皮酸メチル、ジメトキシケイ皮酸エチルヘキシルグリセリル、パラメトキシケイ皮酸イソプロピル、パラメトキシケイ皮酸２−エチルヘキシル、トリメトキシケイ皮酸メチルビス（トリメチルシロキシ）シリルイソペンチル、パラメトキシケイ皮酸オクチル、パラメトキシケイ皮酸ナトリウム、パラメトキシケイ皮酸カリウム、パラメトキシケイ皮酸モノ−２−エチルヘキサン酸グリセリル等が例示される。サリチル酸誘導体として、サリチル酸エチルヘキシル、ホモサレート、サリチル酸ジプロピレングリコール、サリチル酸エチレングリコール、サリチル酸オクチル、サリチル酸フェニル、サリチル酸ホモメンチル、サリチル酸ミリスチル、サリチル酸メチル等が例示される。ジフェニルアクリレート誘導体として、オクトクリレン、エトクリレン等が例示される。ベンゾフェノン誘導体として、オキシベンゾン−１、オキシベンゾン−２、オキシベンゾン−３、オキシベンゾン−４、オキシベンゾン−５、オキシベンゾン−６、オキシベンゾン−９等が例示される。ベンジリデンショウノウ誘導体として、ジメトキシベンジリデンジオキソイミダゾリジンプロピオン酸エチルヘキシル、ジメトキシベンジリデンジオキソイミダゾリジンプロピオン酸オクチル等が例示される。フェニルベンズイミダゾール誘導体として、フェニルベンズイミダゾールスルホン酸、フェニルベンズイミダゾールスルホン酸Ｎａ、フェニルジベンズイミダゾールテトラスルホン酸２Ｎａ等が例示される。ベンザルマロネート誘導体として、ポリシリコン−１５等が例示される。ジベンゾイルメタン誘導体として、ｔ−ブチルメトキシジベンゾイルメタン等が例示される。これらの中でも、紫外線吸収剤は、後述する乳化剤により安定な乳化物を形成しやすい観点から、アミノ安息香酸誘導体、ケイ皮酸誘導体が好ましい。これらは１種が配合されてもよく、２種以上が配合されてもよい。 Examples of ultraviolet absorbers include aminobenzoic acid derivatives, cinnamic acid derivatives, salicylic acid derivatives, diphenyl acrylate derivatives, benzophenone derivatives, benzylidene camphor derivatives, phenylbenzimidazole derivatives, benzalmalonate derivatives, dibenzoylmethane derivatives, and the like. . More specifically, as aminobenzoic acid derivatives, hexyl diethylaminohydroxybenzoylbenzoate, ethylhexyl dimethylaminobenzoate, paraaminobenzoic acid, ethyl paraaminobenzoate, glyceryl paraaminobenzoate, amyl paradimethylaminobenzoate, paradimethylaminobenzoate Examples include acid octyl and the like. Cinnamic acid derivatives include ethyl hexyl methoxycinnamate, methyl diisopropion cinnamate, ethyl hexyl glyceryl dimethoxycinnamate, isopropyl paramethoxycinnamate, 2-ethylhexyl paramethoxycinnamate, methyl bis (trimethoxycinnamate) Examples thereof include trimethylsiloxy) silylisopentyl, octyl paramethoxycinnamate, sodium paramethoxycinnamate, potassium paramethoxycinnamate, and glyceryl mono-2-ethylhexanoate paramethoxycinnamate. Examples of salicylic acid derivatives include ethylhexyl salicylate, homosalate, dipropylene glycol salicylate, ethylene glycol salicylate, octyl salicylate, phenyl salicylate, homomenthyl salicylate, myristyl salicylate, and methyl salicylate. Examples of the diphenyl acrylate derivative include octocrylene, ethocrylene and the like. Examples of benzophenone derivatives include oxybenzone-1, oxybenzone-2, oxybenzone-3, oxybenzone-4, oxybenzone-5, oxybenzone-6, and oxybenzone-9. Examples of the benzylidene camphor derivative include ethyl hexyl dimethoxybenzylidene dioxoimidazolidine propionate, octyl dimethoxybenzylidene dioxoimidazolidine propionate, and the like. Examples of the phenylbenzimidazole derivative include phenylbenzimidazolesulfonic acid, phenylbenzimidazolesulfonic acid Na, phenyldibenzimidazoletetrasulfonic acid 2Na, and the like. Polysilicon-15 etc. are illustrated as a benzalmalonate derivative. Examples of the dibenzoylmethane derivative include t-butylmethoxydibenzoylmethane. Among these, the ultraviolet absorber is preferably an aminobenzoic acid derivative or a cinnamic acid derivative from the viewpoint of easily forming a stable emulsion with an emulsifier described later. One of these may be blended, or two or more may be blended.
紫外線吸収剤の含有量は、適用箇所ごとに日焼けを防止するために必要とされる量が異なったり、噴霧用組成物の噴霧量等にも依るため一概には決定されない。一例を挙げると、紫外線吸収剤は、噴霧用組成物中１質量％以上であることが好ましく、３質量％以上であることがより好ましい。また、紫外線吸収剤は、噴霧用組成物中、１５質量％以下であることが好ましく、１０質量％以下であることがより好ましい。紫外線吸収剤の含有量が１質量％未満の場合、紫外線吸収剤による効果が得られにくくなる。一方、紫外線吸収剤の含有量が１５質量％を超える場合、噴霧用組成物は、高温条件下で長期間放置されると、油相が分離しやすくなり、乳化安定性が低下しやすい。また、紫外線吸収剤の含有量が１５質量％を超える場合、噴霧用組成物は、ベタつきやすく、使用感が低下しやすくなる。 The content of the ultraviolet absorber is not determined unconditionally because the amount required to prevent sunburn varies from application to application, or depends on the amount of spray of the spray composition. As an example, the ultraviolet absorber is preferably 1% by mass or more, and more preferably 3% by mass or more in the spray composition. Moreover, it is preferable that it is 15 mass% or less in a composition for spraying, and, as for an ultraviolet absorber, it is more preferable that it is 10 mass% or less. When content of a ultraviolet absorber is less than 1 mass%, the effect by a ultraviolet absorber becomes difficult to be acquired. On the other hand, when the content of the ultraviolet absorber exceeds 15% by mass, when the spray composition is left for a long time under a high temperature condition, the oil phase is easily separated and the emulsion stability tends to be lowered. Moreover, when content of a ultraviolet absorber exceeds 15 mass%, the composition for spraying tends to be sticky, and a usability | use_condition will fall easily.
（油性溶剤）
油性溶剤は、紫外線吸収剤（特に固体状の紫外線吸収剤）を溶解させ、紫外線吸収剤の分離を抑制して乳化安定性を高くする、紫外線吸収剤によるべたつきを抑制する等のために適宜配合される任意成分である。油性溶剤は、噴霧用組成物の油相を構成する。なお、油性溶剤は、使用される紫外線吸収剤が液体状である場合には必須ではない。この場合、紫外線吸収剤そのものが油相を形成する。一方、使用される紫外線吸収剤が固体状である場合には、このような固体状の紫外線吸収剤が油相を形成するように、固体状の紫外線吸収剤を溶解させるための成分が必要となる。このような成分としては、液体状の紫外線吸収剤や、油性溶剤が挙げられる。このように、油性溶剤は、固体状の紫外線吸収剤を溶解させるために適宜配合される。なお、油性溶剤は、固体状の紫外線吸収剤が使用される場合以外にも、液体状の紫外線吸収剤が使用される場合に配合されてもよい。すなわち、たとえば液体状の紫外線吸収剤のみにより油相を形成する場合、べたつき等を防ぐ観点から、このような液体状の紫外線吸収剤の配合量が制限される場合がある。一方、このような紫外線吸収剤の配合量では、油相の割合が水相に対して小さくなる場合があり、乳化安定性に影響を及ぼす可能性がある。そこで、油性溶剤は、固体状の紫外線吸収剤が使用されず液体状の紫外線吸収剤のみが使用される場合であっても、水相に対する油相の割合を調整しつつ、かつ、紫外線吸収剤によるべたつき等を防ぐために配合されてもよい。
(Oil-based solvent)
Oily solvents are blended as appropriate to dissolve UV absorbers (especially solid UV absorbers), suppress separation of UV absorbers to increase emulsification stability, and prevent sticking by UV absorbers. Is an optional ingredient. The oily solvent constitutes the oil phase of the spray composition. In addition, an oil-based solvent is not essential when the ultraviolet absorber used is a liquid form. In this case, the ultraviolet absorber itself forms an oil phase. On the other hand, when the ultraviolet absorber used is solid, a component for dissolving the solid ultraviolet absorber is required so that such a solid ultraviolet absorber forms an oil phase. Become. Examples of such components include liquid ultraviolet absorbers and oil solvents. Thus, the oily solvent is appropriately blended in order to dissolve the solid ultraviolet absorber. The oil-based solvent may be blended when a liquid ultraviolet absorber is used in addition to the case where a solid ultraviolet absorber is used. That is, for example, when an oil phase is formed only with a liquid ultraviolet absorber, the amount of such a liquid ultraviolet absorber may be limited from the viewpoint of preventing stickiness and the like. On the other hand, with such a blending amount of the ultraviolet absorber, the ratio of the oil phase may be smaller than that of the aqueous phase, which may affect the emulsion stability. Therefore, the oil-based solvent is an ultraviolet absorber that adjusts the ratio of the oil phase to the aqueous phase, even when only a liquid ultraviolet absorber is used instead of a solid ultraviolet absorber. It may be blended in order to prevent stickiness and the like.
油性溶剤は、固体状の紫外線吸収剤を溶解させることができるか、液体状の紫外線吸収剤ととともに油相を形成できるものであれば、特に限定されない。このような油性溶剤としては、エステル油、シリコーンオイル、炭化水素油等が例示される。エステル油としては、脂肪酸と２価アルコールのジエステル、脂肪酸と２価アルコールのモノエステル、脂肪酸と３価アルコールのトリエステル、分岐脂肪酸と分岐アルコールのエステル、脂肪酸とアルコールのモノエステルが例示される。より具体的には、脂肪酸と２価アルコールのジエステルとして、ジネオペンタン酸メチルペンタンジオール、ジネオペンタン酸ジエチルペンタンジオール、ジ−２−エチルへキサン酸ネオペンチルグリコール、ジカプリン酸ネオペンチルグリコール、ジラウリン酸プロピレングリコール、ジステアリン酸エチレングリコール、ジラウリン酸ジエチレングリコール、ジステアリン酸ジエチレングリコール、ジイソステアリン酸ジエチレングリコール、ジオレイン酸ジエチレングリコール、ジラウリン酸トリエチレングリコール、ジステアリン酸トリエチレングリコール、ジイソステアリン酸トリエチレングリコール、ジオレイン酸トリエチレングリコール等が例示される。脂肪酸と２価アルコールのモノエステルとして、モノステアリン酸プロピレングリコール、モノオレイン酸プロピレングリコール、モノステアリン酸エチレングリコール等が例示される。脂肪酸と３価アルコールのトリエステルとして、トリ２−エチルへキサン酸グリセリル、トリ（カプリル・カプリン酸）グリセリン等が例示される。分岐脂肪酸と分岐アルコールのエステルとして、イソノナン酸イソノニル等が例示される。脂肪酸とアルコールのモノエステルとして、ミリスチン酸イソプロピル、パルミチン酸イソプロピル、イソオクタン酸セチル、ヒドロシキシステアリン酸オクチル、ヒドロシキシステアリン酸エチルヘキシルキシル等が例示される。シリコーンオイルとして、メチルポリシロキサン、シクロペンタシロキサン、シクロヘキサシロキサン、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサン、ドデカメチルシクロヘキサシロキサン、メチルシクロポリシロキサン、テトラヒドロテトラメチルシクロテトラシロキサン、オクタメチルトリシロキサン、デカメチルテトラシロキサン、メチルハイドロジェンポリシロキサン、メチルフェニルポリシロキサン等が例示される。炭化水素油として、流動パラフィン等が例示される。油性溶剤は、これらの中でも、固体状の紫外線吸収剤の析出を抑制し、紫外線吸収剤によるべたつきを抑制する効果を奏しやすい観点から、エステル油がより好ましく、脂肪酸と２価アルコールのジエステルがさらに好ましい。これらは１種が配合されてもよく、２種以上が配合されてもよい。 The oily solvent is not particularly limited as long as it can dissolve a solid ultraviolet absorber or can form an oil phase with a liquid ultraviolet absorber. Examples of such oily solvents include ester oils, silicone oils, hydrocarbon oils, and the like. Examples of ester oils include fatty acid and dihydric alcohol diesters, fatty acid and dihydric alcohol monoesters, fatty acid and trihydric alcohol triesters, branched fatty acid and branched alcohol esters, and fatty acid and alcohol monoesters. More specifically, as diesters of fatty acid and dihydric alcohol, dineopentanoic acid methylpentanediol, dineopentanoic acid diethylpentanediol, di-2-ethylhexanoic acid neopentyl glycol, dicapric acid neopentyl glycol, dilauric acid propylene glycol, Examples include ethylene glycol distearate, diethylene glycol dilaurate, diethylene glycol distearate, diethylene glycol diisostearate, diethylene glycol dioleate, triethylene glycol dilaurate, triethylene glycol distearate, triethylene glycol diisostearate, triethylene glycol dioleate, and the like. Examples of monoesters of fatty acids and dihydric alcohols include propylene glycol monostearate, propylene glycol monooleate, and ethylene glycol monostearate. Examples of the triester of fatty acid and trihydric alcohol include glyceryl tri-2-ethylhexanoate, tri (capryl / capric acid) glycerin, and the like. Illustrative examples of branched fatty acid and branched alcohol esters include isononyl isononanoate. Examples of fatty acid and alcohol monoesters include isopropyl myristate, isopropyl palmitate, cetyl isooctanoate, octyl hydroxystearate, ethylhexylxyl hydroxystearate, and the like. As silicone oil, methylpolysiloxane, cyclopentasiloxane, cyclohexasiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, methylcyclopolysiloxane, tetrahydrotetramethylcyclotetrasiloxane, octamethyltrisiloxane , Decamethyltetrasiloxane, methylhydrogenpolysiloxane, methylphenylpolysiloxane and the like. Examples of the hydrocarbon oil include liquid paraffin. Among these, the oily solvent is more preferably an ester oil from the viewpoint of suppressing the precipitation of a solid ultraviolet absorber and suppressing the stickiness caused by the ultraviolet absorber, and further a diester of a fatty acid and a dihydric alcohol. preferable. One of these may be blended, or two or more may be blended.
油性溶剤の含有量は、紫外線吸収剤を溶解または紫外線吸収剤と相溶でき、かつ、油相が分離しにくいような量であればよく、特に限定されない。一例を挙げると、油性溶剤は、噴霧用組成物中０．１質量％以上であることが好ましく、０．３質量％以上であることがより好ましい。また、油性溶剤は、噴霧用組成物中１０質量％以下であることが好ましく、５質量％以下であることがより好ましい。油性溶剤の含有量が０．１質量％未満の場合、噴霧用組成物は、紫外線吸収剤を充分に溶解または相溶させることができず、特に低温条件下では溶解していた紫外線吸収剤が析出しやすい。また、噴霧用組成物は、油相が分離しやすい。一方、油性溶剤の含有量が１０質量％を超える場合、噴霧用組成物は、高温条件下で長期間放置されると、油相が分離しやすくなり、乳化安定性が低下しやすい。 The content of the oil-based solvent is not particularly limited as long as it is an amount capable of dissolving the ultraviolet absorber or being compatible with the ultraviolet absorber and hardly separating the oil phase. For example, the oil-based solvent is preferably 0.1% by mass or more, and more preferably 0.3% by mass or more in the spray composition. Moreover, it is preferable that it is 10 mass% or less in a composition for spraying, and, as for an oily solvent, it is more preferable that it is 5 mass% or less. When the content of the oily solvent is less than 0.1% by mass, the spray composition cannot sufficiently dissolve or compatibilize the UV absorber, and the UV absorber that has been dissolved particularly under low temperature conditions Easy to precipitate. In addition, the oil composition is easily separated from the spray composition. On the other hand, when the content of the oily solvent exceeds 10% by mass, when the spray composition is left for a long time under a high temperature condition, the oil phase is easily separated and the emulsion stability tends to be lowered.
（乳化剤）
乳化剤は、紫外線吸収剤および必要に応じて配合される油性溶剤を含む油相と、水を含む水相とを乳化させて、水中油型エマルションを形成するために配合される。本実施形態において使用される乳化剤は、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含む。
(emulsifier)
An emulsifier is mix | blended in order to emulsify the oil phase containing the ultraviolet absorber and the oil-based solvent mix | blended as needed, and the water phase containing water, and to form an oil-in-water emulsion. The emulsifier used in this embodiment contains sucrose fatty acid ester and fatty acid hydrogenated castor oil.
ショ糖脂肪酸エステルとしては特に限定されない。ショ糖脂肪酸エステルとしては、ショ糖（スクロース）と、炭素数１０〜２４である脂肪酸とのエステルが例示される。より具体的には、脂肪酸ジステアリン酸スクロース、ペンタエルカ酸スクロース、トリベヘン酸スクロース、ステアリン酸スクロース、オレイン酸スクロース、パルミチン酸スクロース、ミリスチン酸スクロース、ラウリン酸スクロース等が例示される。 The sucrose fatty acid ester is not particularly limited. Examples of the sucrose fatty acid ester include esters of sucrose (sucrose) and a fatty acid having 10 to 24 carbon atoms. More specifically, examples include fatty acid sucrose distearate, sucrose pentaerucate, sucrose tribehenate, sucrose stearate, sucrose oleate, sucrose palmitate, sucrose myristate, sucrose laurate, and the like.
脂肪酸水添ヒマシ油としては、イソステアリン酸ＰＥＧ水添ヒマシ油、トリイソステアリン酸ＰＥＧ水添ヒマシ油、ラウリン酸ＰＥＧ水添ヒマシ油等が例示される。 Examples of fatty acid hydrogenated castor oil include isostearic acid PEG hydrogenated castor oil, triisostearic acid PEG hydrogenated castor oil, and lauric acid PEG hydrogenated castor oil.
ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有量は、特に限定されず、油相と水相とを安定に乳化させるために必要な量であればよい。一例を挙げると、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有量は、噴霧用組成物中０．１質量％以上であり、好ましくは０．５質量％以上である。また、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有量は、１０質量％以下であり、好ましくは５質量％以下である。ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有量が０．１質量％未満の場合、噴霧用組成物は乳化粒子が大きくなりやすく、高温条件下で長期間放置されると、油相が分離しやすくなり、乳化安定性が低下しやすい。一方、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有量が１０質量％を超える場合、噴霧用組成物は、ベタつきやすく、使用感が低下しやすくなる。 The content of the sucrose fatty acid ester and the fatty acid hydrogenated castor oil is not particularly limited as long as it is an amount necessary for stably emulsifying the oil phase and the aqueous phase. As an example, the content of sucrose fatty acid ester and fatty acid hydrogenated castor oil is 0.1% by mass or more, preferably 0.5% by mass or more in the spray composition. Moreover, content of sucrose fatty acid ester and fatty acid hydrogenated castor oil is 10 mass% or less, Preferably it is 5 mass% or less. When the content of sucrose fatty acid ester and fatty acid hydrogenated castor oil is less than 0.1% by mass, the composition for spraying tends to have large emulsified particles. It becomes easy to separate, and the emulsion stability tends to decrease. On the other hand, when the content of the sucrose fatty acid ester and the fatty acid hydrogenated castor oil exceeds 10% by mass, the spray composition tends to be sticky and the feeling of use tends to be lowered.
乳化剤におけるショ糖脂肪酸エステルと脂肪酸水添ヒマシ油との含有比は、ショ糖脂肪酸エステルまたは脂肪族水添ヒマシ油の種類により適切な含有比が変化し得るため、一概には決定されない。一例を挙げると、ショ糖脂肪酸エステルと脂肪族水添ヒマシ油との含有比は、１：０．５〜１：５であることが好ましい。このような含有比の場合、噴霧用組成物は、乳化粒子が小さい状態で保持されやすく、より安定な水中油型エマルションを形成しやすい。 The content ratio between the sucrose fatty acid ester and the fatty acid hydrogenated castor oil in the emulsifier is not generally determined because an appropriate content ratio can vary depending on the type of sucrose fatty acid ester or aliphatic hydrogenated castor oil. As an example, the content ratio of sucrose fatty acid ester and aliphatic hydrogenated castor oil is preferably 1: 0.5 to 1: 5. In the case of such a content ratio, the spray composition is easily held in a state where the emulsified particles are small, and a more stable oil-in-water emulsion is easily formed.
なお、本実施形態において、噴霧用組成物は、乳化剤としてショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含んでいればよく、これらに加えて、乳化作用を阻害しない範囲において他の乳化剤（界面活性剤）を含んでいてもよい。一例を挙げると、噴霧用組成物は、得られる水中油型エマルションの乳化安定性を向上させる等の目的で、ノニオン性界面活性剤や、シリコーン系界面活性剤を含んでもよい。ノニオン性界面活性剤としては、ポリオキシエチレンポリオキシプロピレンアルキルエーテル、ポリオキシエチレングリセリン脂肪酸エステル、ポリオキシエチレン硬化ヒマシ油、ポリオキシエチレンアルキルエーテル、ポリエチレングリコール脂肪酸エステル、ポリグリセリン脂肪酸エステル、ポリオキシエチレングリセリン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレンソルビット脂肪酸エステル等が例示される。シリコーン系界面活性剤は、ポリオキシエチレン・メチルポリシロキサン共重合体、ポリオキシプロピレン・メチルポリシロキサン共重合体、ポリ（オキシエチレン・オキシプロピレン）・メチルポリシロキサン共重合体等が例示される。 In the present embodiment, the spray composition only needs to contain sucrose fatty acid ester and fatty acid hydrogenated castor oil as emulsifiers, and in addition to these, other emulsifiers (interfaces) An activator). For example, the spray composition may contain a nonionic surfactant or a silicone surfactant for the purpose of improving the emulsification stability of the resulting oil-in-water emulsion. Nonionic surfactants include polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene glycerin fatty acid ester, polyoxyethylene hydrogenated castor oil, polyoxyethylene alkyl ether, polyethylene glycol fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene Examples include glycerin fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbit fatty acid ester and the like. Examples of the silicone surfactant include polyoxyethylene / methylpolysiloxane copolymer, polyoxypropylene / methylpolysiloxane copolymer, poly (oxyethylene / oxypropylene) / methylpolysiloxane copolymer, and the like.
界面活性剤を含有する場合の含有量は、噴霧用組成物中０．１質量％以上であることが好ましく、０．５質量％以上であることがより好ましい。また、界面活性剤の含有量は、噴霧用組成物中、５質量％以下であることが好ましく、３質量％以下であることがより好ましい。界面活性剤の含有量が０．１質量％未満の場合、得られる噴霧用組成物の乳化安定性をより向上させる効果が充分に得られにくくなる。一方、界面活性剤の含有量が１０質量％を超える場合、噴霧された噴霧用組成物中の界面活性剤は、皮膚や頭髪等の適用箇所に残りやすく、使用感が低下しやすい。 When the surfactant is contained, the content in the spray composition is preferably 0.1% by mass or more, and more preferably 0.5% by mass or more. The surfactant content in the spray composition is preferably 5% by mass or less, and more preferably 3% by mass or less. When the content of the surfactant is less than 0.1% by mass, it is difficult to sufficiently obtain the effect of further improving the emulsion stability of the resulting spray composition. On the other hand, when the content of the surfactant exceeds 10% by mass, the surfactant in the sprayed composition for spraying tends to remain in the application site such as skin and hair, and the feeling of use tends to be lowered.
（水）
水は、噴霧用組成物の主溶媒であり、水相を構成する。水としては、精製水、イオン交換水等が例示される。
(water)
Water is the main solvent of the spray composition and constitutes the aqueous phase. Examples of water include purified water and ion exchange water.
水の含有量は、乳化剤により、乳化安定性に優れた噴霧用組成物を調製することのできる量であればよく、特に限定されない。一例を挙げると、水は、噴霧用組成物中７０質量％以上であることが好ましく、７５質量％以上であることがより好ましい。また、水は９５質量％以下であることが好ましく、９０質量％以下であることがより好ましい。水の含有量が７０質量％未満の場合、噴霧用組成物は、高温条件下で長期間放置されると、油相が分離しやすくなり、乳化安定性が低下しやすい。一方、水の含有量が９５質量％を超える場合、紫外線吸収剤、乳化剤の含有量が少なくなり、所望の効果（日焼け防止、使用感、乳化安定性等）が得られにくくなる。 The water content is not particularly limited as long as it is an amount capable of preparing a spraying composition excellent in emulsion stability with an emulsifier. As an example, water is preferably 70% by mass or more, and more preferably 75% by mass or more in the spray composition. Moreover, it is preferable that water is 95 mass% or less, and it is more preferable that it is 90 mass% or less. When the water content is less than 70% by mass, when the spray composition is left for a long period of time under high temperature conditions, the oil phase tends to separate and the emulsion stability tends to decrease. On the other hand, when the content of water exceeds 95% by mass, the content of the ultraviolet absorber and the emulsifier decreases, and the desired effects (sun protection, feeling of use, emulsification stability, etc.) are hardly obtained.
（任意成分）
本実施形態の噴霧用組成物は、上記した紫外線吸収剤、乳化剤および水に加えて、乳化安定性を阻害しない範囲において油性溶剤以外にも任意成分を含んでもよい。任意成分としては、アルコール、紫外線吸収剤以外の他の有効成分が例示される。
(Optional component)
The spray composition of the present embodiment may contain an optional component in addition to the above-described ultraviolet absorber, emulsifier and water in addition to the oily solvent as long as the emulsion stability is not impaired. Examples of optional components include active ingredients other than alcohol and ultraviolet absorbers.
アルコールは、適用箇所に噴霧された噴霧用組成物の乾燥性を調整したり、水に溶解しにくい他の有効成分を溶解するための溶媒として適宜配合される。アルコールとしては、エタノール、イソプロパノール等の炭素数２〜３個の１価アルコール、エチレングリコール、プロピレングリコール、１，３−ブチレングリコール、ペンチレングリコール、グリセリン等の炭素数が３〜５個の多価アルコール等が例示される。 Alcohol is appropriately blended as a solvent for adjusting the drying property of the spray composition sprayed on the application site and for dissolving other active ingredients that are difficult to dissolve in water. Examples of the alcohol include monohydric alcohols having 2 to 3 carbon atoms such as ethanol and isopropanol, polyhydric acids having 3 to 5 carbon atoms such as ethylene glycol, propylene glycol, 1,3-butylene glycol, pentylene glycol and glycerin. Alcohol etc. are illustrated.
アルコールを含有する場合の含有量は、アルコールの種類により好適な含有量が異なるため一概には決定されない。一例をあげると、アルコールを含有する場合の含有量は、噴霧用組成物中１質量％以上であることが好ましく、３質量％以上であることがより好ましい。また、アルコールを含有する場合の含有量は、１０質量％以下であることが好ましく、８質量％以下であることがより好ましい。アルコールの含有量が１質量％未満の場合、噴霧用組成物の乾燥性を調整する効果や、水に溶解しにくい他の有効成分を溶解する効果が得られにくくなる。一方、アルコールの含有量が１０質量％を超える場合、噴霧用組成物は、乳化安定性が低下しやすい。 The content in the case of containing alcohol is not generally determined because the preferred content varies depending on the type of alcohol. As an example, the content in the case of containing alcohol is preferably 1% by mass or more, and more preferably 3% by mass or more in the spray composition. Further, the content in the case of containing an alcohol is preferably 10% by mass or less, and more preferably 8% by mass or less. When the alcohol content is less than 1% by mass, it is difficult to obtain the effect of adjusting the drying property of the spray composition and the effect of dissolving other active ingredients that are difficult to dissolve in water. On the other hand, when the alcohol content is more than 10% by mass, the emulsion composition tends to have low emulsion stability.
他の有効成分は、紫外線吸収剤の匂いをマスキングしたり、皮膚や頭髪等の適用箇所に潤いを付与したり、清涼感を付与したり、紫外線を反射させる等の効果を付与する目的で適宜配合される。他の有効成分としては、たとえば、天然香料、合成香料等の各種香料、ｌ−メントール、カンフル、ハッカ油などの清涼化剤、ヒアルロン酸、乳酸ナトリウム、ｄｌ−ピロリドンカルボン酸塩、ケラチン、レシチン、尿素、ホホバエステル等の保湿剤、アスコルビン酸、α−トコフェロール、ジブチルヒドロキシトルエン等の酸化防止剤、レチノール、酢酸レチノール、パルミチン酸レチノール、パントテン酸カルシウム、アスコルビン酸ナトリウム、ｄｌ−α−トコフェロール、酢酸トコフェロール等のビタミン類、アラントインヒドロキシアルミニウム、クエン酸、乳酸、ミョウバン等の収斂剤、塩酸ジブカイン、塩酸テトラカイン、塩酸リドカイン、リドカイン等の局所麻酔剤、ジフェンヒドラミン、グリチルレチン酸、グリチルリチン酸ジカリウム等の抗炎症剤、クロルヒドロキシアルミニウム、パラフェノールスルホン酸亜鉛等の制汗成分、パラオキシ安息香酸エステル、フェノキシエタノール等の防腐剤、酸化チタン、酸化亜鉛等の紫外線散乱剤等が例示される。 Other active ingredients are appropriate for the purpose of masking the smell of UV absorbers, moisturizing application areas such as skin and hair, imparting a refreshing feeling, and reflecting UV rays. Blended. Other active ingredients include, for example, natural fragrances, various fragrances such as synthetic fragrances, cooling agents such as l-menthol, camphor, mint oil, hyaluronic acid, sodium lactate, dl-pyrrolidone carboxylate, keratin, lecithin, Moisturizers such as urea and jojoba esters, ascorbic acid, α-tocopherol, antioxidants such as dibutylhydroxytoluene, retinol, retinol acetate, retinol palmitate, calcium pantothenate, sodium ascorbate, dl-α-tocopherol acetate, tocopherol acetate Vitamins such as allantoin hydroxyaluminum, citric acid, lactic acid, and alum, local anesthetics such as dibucaine hydrochloride, tetracaine hydrochloride, lidocaine hydrochloride, lidocaine, diphenhydramine, glycyrrhetinic acid, glycyrrhizin Examples include anti-inflammatory agents such as dipotassium acid, antiperspirant components such as chlorohydroxyaluminum and zinc paraphenolsulfonate, preservatives such as paraoxybenzoate and phenoxyethanol, and ultraviolet scattering agents such as titanium oxide and zinc oxide.
他の有効成分を含有する場合の含有量は、有効成分の種類により好適な含有量が異なるため一概には決定されない。一例をあげると、他の有効成分を含有する場合の含有量は、噴霧用組成物中０．０１質量％以上であることが好ましく、０．０５質量％以上であることがより好ましい。また、他の有効成分を含有する場合の含有量は、５質量％以下であることが好ましく、３質量％であることがより好ましい。他の有効成分の含有量が０．０１質量％未満の場合、紫外線吸収剤の匂いをマスキングしたり、皮膚や頭髪等の適用箇所に潤いを付与したり、清涼感を付与したり、紫外線を反射させる等の効果が得られにくくなる。一方、他の有効成分の含有量が５質量％を超える場合、紫外線吸収剤が析出しやすく、水中油型エマルションの乳化安定性が低下しやすい。 The content in the case of containing other active ingredients is not generally determined because the preferred content varies depending on the type of active ingredient. As an example, the content in the case of containing other active ingredients is preferably 0.01% by mass or more, more preferably 0.05% by mass or more in the spray composition. Further, the content when containing other active ingredients is preferably 5% by mass or less, and more preferably 3% by mass. When the content of other active ingredients is less than 0.01% by mass, it masks the odor of the UV absorber, moisturizes the application site such as skin and hair, gives a refreshing feeling, It is difficult to obtain effects such as reflection. On the other hand, when the content of other active ingredients exceeds 5% by mass, the ultraviolet absorber is likely to precipitate, and the emulsification stability of the oil-in-water emulsion tends to be lowered.
＜噴霧用組成物の調製方法＞
本実施形態の噴霧用組成物を調製する方法としては特に限定されず、広く一般的な方法により調製することができる。一例を挙げると、噴霧用組成物は、紫外線吸収剤、乳化剤および必要に応じて油性溶剤を混合して油相を調製し、水、必要に応じて任意成分を混合して水相を調製し、次いで、油相と水相とを適宜混合して乳化させる方法により調製することができる。油相と水相とを混合して乳化させる方法としては特に限定されない。一例を挙げると、水相に油相を添加し乳化機で混合することにより水中油型エマルションを調製する方法により、油相と水相とを混合することができる。得られる乳化された噴霧用組成物中の乳化粒子（油相）の大きさとしては、０．１〜８０μｍ程度である。本実施形態の噴霧用組成物は、このように、一般的かつ簡便な方法により、比較的小さな径の乳化粒子を含む水中油型エマルションが調製される。得られた噴霧用組成物は、適宜容器に充填されることにより、日焼け防止用噴霧製品として利用される。このような噴霧製品は、ポンプバルブを備えたディスペンサーであってもよく、エアゾールバルブを備え噴射剤の圧力により噴霧するエアゾール製品であってもよい。また、エアゾール製品の場合に使用される噴射剤としては、窒素ガスや炭酸ガス等の圧縮ガスが好ましい。
<Method for Preparing Spray Composition>
It does not specifically limit as a method of preparing the spraying composition of this embodiment, It can prepare by a wide general method. For example, the spray composition is prepared by mixing an ultraviolet absorber, an emulsifier and an oily solvent as necessary to prepare an oil phase, and by mixing water and optional components as necessary. Then, it can be prepared by a method in which an oil phase and an aqueous phase are appropriately mixed and emulsified. The method for mixing and emulsifying the oil phase and the aqueous phase is not particularly limited. As an example, an oil phase and an aqueous phase can be mixed by a method of preparing an oil-in-water emulsion by adding an oil phase to an aqueous phase and mixing with an emulsifier. The size of the emulsified particles (oil phase) in the emulsified spray composition obtained is about 0.1 to 80 μm. In the spray composition of the present embodiment, an oil-in-water emulsion containing emulsified particles having a relatively small diameter is thus prepared by a general and simple method. The obtained spray composition is used as a spray product for sun protection by appropriately filling a container. Such a spray product may be a dispenser equipped with a pump valve or an aerosol product equipped with an aerosol valve and sprayed by the pressure of a propellant. Moreover, as a propellant used in the case of an aerosol product, compressed gas, such as nitrogen gas and a carbon dioxide gas, is preferable.
＜日焼け防止用噴霧製品＞
次に、本発明の一実施形態の日焼け防止用噴霧製品について詳細に説明する。本実施形態の日焼け防止用噴霧製品は、上記した実施形態の噴霧用組成物と、圧縮ガスと、噴霧用組成物および圧縮ガスが充填される噴霧容器と、噴霧容器に取り付けられるバルブ機構と、バルブ機構に取り付けられる噴射ボタンとを備える。本実施形態の日焼け防止用噴霧製品によれば、紫外線吸収剤を含む噴霧用組成物を適用箇所に噴霧して、適用箇所の日焼けを防止することができる。以下、それぞれの構成について説明する。
<Spray products for sun protection>
Next, the spray product for sun protection according to one embodiment of the present invention will be described in detail. The spray product for sun protection of the present embodiment includes the spray composition of the above-described embodiment, a compressed gas, a spray container filled with the spray composition and the compressed gas, a valve mechanism attached to the spray container, And an injection button attached to the valve mechanism. According to the spray product for sun protection of the present embodiment, the spray composition containing the ultraviolet absorber can be sprayed on the application site to prevent sunburn at the application site. Hereinafter, each configuration will be described.
（圧縮ガス）
圧縮ガスは、噴霧用組成物とともに噴霧容器に加圧充填される噴射剤である。圧縮ガスは、噴霧時に、噴霧用組成物を加圧するとともに微細化し、ミスト状に噴霧するために充填される。圧縮ガスにより加圧されて噴霧された噴霧用組成物は、たとえば液化ガスを用いて噴霧する場合と比較して、大きな粒子を形成しやすい。そのため、使用者は、噴霧された噴霧用組成物を吸引しにくい。その結果、日焼け防止用噴霧製品は、顔などにも好適に使用することができる。圧縮ガスは、噴霧容器内において、噴霧用組成物にほとんど溶解せず、大部分が気相に存在する。圧縮ガスとしては、窒素ガス、圧縮空気、炭酸ガス、亜酸化窒素ガス等が例示される。
(Compressed gas)
The compressed gas is a propellant that is pressurized and filled into the spray container together with the spray composition. The compressed gas is filled in order to pressurize and atomize the spray composition and spray it in the form of a mist during spraying. A composition for spraying that is pressurized and sprayed with a compressed gas is likely to form large particles as compared with, for example, spraying with a liquefied gas. Therefore, it is difficult for the user to suck the sprayed composition for spraying. As a result, the sunscreen spray product can be suitably used for the face and the like. The compressed gas is hardly dissolved in the spray composition in the spray container and is mostly present in the gas phase. Examples of the compressed gas include nitrogen gas, compressed air, carbon dioxide gas, and nitrous oxide gas.
圧縮ガスの充填量としては、噴霧容器の内圧が噴霧用組成物を噴霧するために適切な内圧となる充填量であればよく、特に限定されない。一例を挙げると、噴霧用組成物を充填した噴霧容器の内圧は、２５℃において０．３〜０．８ＭＰａである。 The filling amount of the compressed gas is not particularly limited as long as the inner pressure of the spray container is an appropriate filling pressure for spraying the spray composition. As an example, the internal pressure of the spray container filled with the spray composition is 0.3 to 0.8 MPa at 25 ° C.
（噴霧容器）
噴霧容器は、上記した噴霧用組成物と、後述する圧縮ガスとを加圧状態で充填するための容器である。噴霧容器は、汎用の形状であってよい。本実施形態の噴霧容器は、上部に開口を有する有底筒状である。開口は、噴霧用組成物を充填するための充填口であり、後述するバルブ機構により閉止される。
(Spray container)
The spray container is a container for filling the above-described spray composition and a compressed gas described later in a pressurized state. The spray container may have a general-purpose shape. The spray container of the present embodiment has a bottomed cylindrical shape having an opening at the top. The opening is a filling port for filling the spray composition and is closed by a valve mechanism described later.
噴霧容器の材質としては特に限定されず、エアゾール製品とする場合は耐圧性を有するものであればよい。このような材質としては、アルミニウム、ブリキ等の金属、各種合成樹脂、耐圧ガラス等が例示される。ここで、本実施形態の日焼け防止用噴霧製品は、噴霧用組成物中に乳化剤として脂肪酸水添ヒマシ油を含む。脂肪酸水添ヒマシ油は、金属を腐食しない。そのため、日焼け防止用噴霧製品は、金属製であってもよい。金属製の噴霧容器を使用する場合、樹脂が劣化しやすい高温環境でも使用することができる。 The material for the spray container is not particularly limited, and any aerosol product may be used as long as it has pressure resistance. Examples of such materials include metals such as aluminum and tinplate, various synthetic resins, and pressure-resistant glass. Here, the spray product for sun protection of this embodiment contains fatty acid hydrogenated castor oil as an emulsifier in the spray composition. Fatty acid hydrogenated castor oil does not corrode metals. Therefore, the spray product for sun protection may be made of metal. When a metal spray container is used, it can be used even in a high temperature environment where the resin tends to deteriorate.
また、噴霧容器は、内部にポリエチレン、エチレン−ビニルアルコール共重合樹脂などの可撓性を有する合成樹脂製の内袋を備える二重構造容器が用いられてもよい。本実施形態の噴霧用組成物は、乳化安定性に優れ噴霧する前に振る必要がない。そのため、噴霧容器は、内袋内に噴霧用組成物を液密状態に充填し、その外部空間に噴射剤を充填することが可能になり、噴霧容器をどの向きにしても噴射剤が排出されることなく噴霧用組成物を噴霧することができる。 Further, as the spray container, a double structure container having an inner bag made of synthetic resin having flexibility such as polyethylene and ethylene-vinyl alcohol copolymer resin may be used. The spray composition of this embodiment is excellent in emulsion stability and does not need to be shaken before spraying. Therefore, the spray container can fill the inner bag with the spray composition in a liquid-tight state, and can fill the external space with the propellant, and the propellant is discharged regardless of the orientation of the spray container. The spraying composition can be sprayed without it.
（バルブ機構）
バルブ機構（エアゾールバルブ）は、噴霧容器の開口に取り付けられて噴霧容器内を密封するための部材である。バルブ機構は、噴霧容器内と外部との連通／遮断を切り替える弁を備えており、弁を解放することにより、圧縮ガスにより加圧された噴霧用組成物を取り込み、後述する噴射ボタンへ送る。また、バルブ機構は、弁から噴霧容器内に圧縮ガスを圧入することができる。
(Valve mechanism)
The valve mechanism (aerosol valve) is a member that is attached to the opening of the spray container and seals the inside of the spray container. The valve mechanism includes a valve that switches between communication / blocking between the inside and outside of the spray container. By opening the valve, the composition for spraying that is pressurized by the compressed gas is taken in and sent to an injection button that will be described later. Further, the valve mechanism can press-fit the compressed gas from the valve into the spray container.
なお、圧縮ガスは、噴霧用組成物にほとんど溶解しない。ここで、従来の噴霧製品は、容器に充填された噴霧用組成物が分離しやすい。そのため、使用者は、使用前に噴霧製品を上下に振とうし、噴霧用組成物の油相と水相とを再分散させる必要があった。この場合、圧縮ガスも噴霧用組成物中に分散され、噴霧用組成物とともに外部に噴霧されてしまい、噴霧製品中の圧縮ガスの量が減りやすいという問題があった。しかしながら、本実施形態の日焼け防止用噴霧製品は、噴霧容器に充填される噴霧用組成物がショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含む乳化剤により安定に乳化されている。そのため、使用者は、使用前に上下に振とうする必要がない。その結果、圧縮ガスは、噴霧用組成物中に分散されにくく、噴霧製品は、繰り返し使用されても圧縮ガスが外部に漏出されにくい。 Note that the compressed gas hardly dissolves in the spray composition. Here, in the conventional spray product, the spray composition filled in the container is easily separated. Therefore, the user needed to re-disperse the oil phase and the water phase of the spray composition by shaking the spray product up and down before use. In this case, there is a problem that the compressed gas is also dispersed in the spray composition and sprayed to the outside together with the spray composition, and the amount of the compressed gas in the sprayed product tends to decrease. However, in the spray product for sun protection according to this embodiment, the spray composition filled in the spray container is stably emulsified with an emulsifier containing sucrose fatty acid ester and fatty acid hydrogenated castor oil. Therefore, the user does not need to shake up and down before use. As a result, the compressed gas is less likely to be dispersed in the spray composition, and the spray product is less likely to leak out to the outside even if it is repeatedly used.
なお、バルブ機構の構造は特に限定されず、汎用のバルブ機構が適宜用いられる。また、噴霧容器に噴霧用組成物を充填する方法は特に限定されない。一例を挙げると、噴霧容器の開口から噴霧用組成物を充填し、バルブ機構により開口を閉止し、バルブ機構の弁から圧縮ガスを圧入する方法が採用される。ほかにも、バルブ機構を固着する前に圧縮ガスを充填するアンダーカップ充填が採用されてもよい。 The structure of the valve mechanism is not particularly limited, and a general-purpose valve mechanism is used as appropriate. Moreover, the method of filling the spray container with the spray composition is not particularly limited. As an example, a method of filling the spray composition from the opening of the spray container, closing the opening by the valve mechanism, and press-fitting compressed gas from the valve of the valve mechanism is employed. In addition, under cup filling in which compressed gas is filled before the valve mechanism is fixed may be employed.
（噴射ボタン）
噴射ボタンは、バルブ機構により取り込まれる噴霧用組成物を噴霧するための部材である。噴射ボタンは、噴霧用組成物を噴霧するための噴射孔が形成されている。本実施形態の日焼け防止用噴霧製品は、噴射ボタンの先端（噴射孔の近傍）に、メカニカルブレークアップ機構を備えたノズルチップが装着されたものが好ましい。なお、本実施形態において、メカニカルブレークアップ機構は、噴霧用組成物が噴霧される際に、噴霧用組成物を旋回させながら噴射孔に導入するための機構であり、外周から中心にある噴射孔に向かって噴霧用組成物を流入させるための複数の溝を有する。噴霧用組成物は、これらの溝を通過する際に旋回され、噴射孔から広範囲に拡がるように噴射される。
(Jet button)
The spray button is a member for spraying the spray composition taken in by the valve mechanism. The injection button has an injection hole for spraying the spray composition. The spray product for sun protection according to this embodiment is preferably one in which a nozzle tip having a mechanical breakup mechanism is attached to the tip of the spray button (in the vicinity of the spray hole). In the present embodiment, the mechanical breakup mechanism is a mechanism for introducing the spray composition into the injection hole while turning the spray composition when the spray composition is sprayed. A plurality of grooves for allowing the spray composition to flow toward The spray composition is swirled as it passes through these grooves, and is sprayed so as to spread over a wide range from the spray holes.
噴射孔の大きさ（直径）としては特に限定されず、所望の噴射パターン、噴射力、噴射量等を得るために適宜調整される。 The size (diameter) of the injection hole is not particularly limited, and is appropriately adjusted in order to obtain a desired injection pattern, injection force, injection amount, and the like.
以上、本実施形態の日焼け防止用噴霧製品は、上記実施形態において詳述した噴霧用組成物と圧縮ガスとが充填され、これらを噴霧することができる。噴霧用組成物は、上記のとおり、乳化安定性が高く、油相が分離しにくい。そのため、使用者は、使用前に日焼け防止用噴霧製品を上下に振とうさせる等の操作を行わずに、そのまま使用することができる。その結果、日焼け防止用噴霧製品は、利便性がよい。また、上下に振とうする必要がないため、噴霧容器内に充填された圧縮ガスは、噴霧用組成物中に分散されにくい。そのため、圧縮ガスは、噴霧製品が繰り返し使用されても外部に漏出しにくい。その結果、日焼け防止用噴霧製品は、噴射容器内の圧力が低下しにくく、噴霧用組成物を安定して噴霧することができる。さらに、日焼け防止用噴霧製品は、圧縮ガスを使用して噴霧用組成物を噴霧する。この場合、噴霧された噴霧用組成物は、たとえば液化ガスを用いて噴霧する場合と比較して、大きな粒子を形成しやすい。そのため、使用者は、噴霧された噴霧用組成物を吸引しにくい。その結果、日焼け防止用噴霧製品は、顔などにも好適に使用することができる。 As described above, the spray product for sun protection according to the present embodiment is filled with the spray composition and the compressed gas described in detail in the above embodiment, and these can be sprayed. As described above, the spray composition has high emulsification stability and is difficult to separate the oil phase. Therefore, the user can use it as it is, without performing operations such as shaking the sunscreen spray product up and down before use. As a result, the sunscreen spray product is convenient. Moreover, since it is not necessary to shake up and down, the compressed gas with which it filled in the spray container is hard to be disperse | distributed in the composition for spraying. For this reason, the compressed gas is unlikely to leak outside even when the spray product is repeatedly used. As a result, the spray product for sun protection is less likely to reduce the pressure in the spray container, and the spray composition can be sprayed stably. In addition, sunscreen spray products use a compressed gas to spray the spray composition. In this case, the sprayed composition for spraying tends to form large particles as compared with the case of spraying using a liquefied gas, for example. Therefore, it is difficult for the user to suck the sprayed composition for spraying. As a result, the sunscreen spray product can be suitably used for the face and the like.
＜日焼け防止用噴霧製品の変形実施形態＞
本発明の一実施形態について説明したが、本発明の日焼け防止用噴霧製品は、たとえば次のような変形実施形態を採用することができる。
<Modified embodiment of spray product for sun protection>
Although one embodiment of the present invention has been described, for example, the following modified embodiment can be adopted for the sunscreen spray product of the present invention.
すなわち、上記実施形態では、噴霧用組成物と圧縮ガスと噴霧容器に充填し、噴霧時にバルブ機構（エアゾールバルブ）の弁を開放することにより、圧縮ガスによる加圧力を利用して噴霧用組成物を噴霧する態様について例示した。本発明は、これに代えて、噴霧用組成物を充填した噴霧容器の開口をバルブ機構（ポンプバルブ）により閉止し、ポンプバルブにより噴霧用組成物を加圧して噴霧する態様を採用してもよい。 That is, in the above-described embodiment, the spray composition is filled with the spray composition, the compressed gas, and the spray container, and the valve mechanism (aerosol valve) is opened at the time of spraying to utilize the pressure applied by the compressed gas. The mode of spraying was illustrated. Instead of this, the present invention may adopt a mode in which the opening of the spray container filled with the spray composition is closed by a valve mechanism (pump valve) and the spray composition is pressurized and sprayed by the pump valve. Good.
以下、実施例により本発明をより具体的に説明するが、本発明は、これら実施例に何ら限定されるものではない。 EXAMPLES Hereinafter, although an Example demonstrates this invention more concretely, this invention is not limited to these Examples at all.
（噴霧用組成物１〜３の調製）
以下の表１に示される処方にしたがい、噴霧用組成物１〜３を調製した。
(Preparation of spraying compositions 1 to 3)
According to the formulation shown in Table 1 below, Compositions 1 to 3 for spraying were prepared.
＊２：油性溶剤 Ｎｅｏｓｏｌｕｅ ＭＰ、日本精化（株）製
＊３：ショ糖脂肪酸エステル コスメライクＳ−７０、ＨＬＢ８、第一工業製薬（株）製
＊４：脂肪酸水添ヒマシ油 ＥＭＡＬＥＸ ＲＷＩＳ−１４０、ＨＬＢ１１、日本エマルジョン（株）製
（実施例１）
透明なガラス製耐圧容器（噴霧容器の一例）に噴霧用組成物１を６０ｇ充填し、耐圧容器の開口部にエアゾールバルブ（バルブ機構の一例）を固着した。エアゾールバルブから窒素ガスを充填して耐圧容器内の圧力を０．７ＭＰａに調整し、日焼け防止用噴霧製品を作製した。
(Example 1)
A transparent glass pressure vessel (an example of a spray vessel) was filled with 60 g of the composition 1 for spraying, and an aerosol valve (an example of a valve mechanism) was fixed to the opening of the pressure vessel. Nitrogen gas was filled from an aerosol valve to adjust the pressure in the pressure vessel to 0.7 MPa, and a spray product for sun protection was produced.
（実施例２）
噴霧用組成物２を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Example 2)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 2 was used.
（実施例３）
噴霧用組成物３を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Example 3)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 3 was used.
（噴霧用組成物４〜６の調製）
以下の表２に示される処方にしたがい、噴霧用組成物４〜６を調製した。
(Preparation of spray compositions 4-6)
According to the formulation shown in Table 2 below, spray compositions 4-6 were prepared.
＊６：脂肪酸水添ヒマシ油 ＥＭＡＬＥＸ ＲＷＩＳ−１２０、ＨＬＢ８、日本エマルジョン（株）製
＊７：脂肪酸水添ヒマシ油 ＥＭＡＬＥＸ ＲＷＩＳ−３６０、ＨＬＢ１０、日本エマルジョン（株）製
＊８：脂肪酸水添ヒマシ油 ＥＭＡＬＥＸ ＲＷＬ−１３０、ＨＬＢ１０、日本エマルジョン（株）製
（実施例４）
噴霧用組成物４を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
Example 4
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 4 was used.
（実施例５）
噴霧用組成物５を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Example 5)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 5 was used.
（実施例６）
噴霧用組成物６を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Example 6)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 6 was used.
（噴霧用組成物７〜９）
以下の表３に示される処方にしたがい、噴霧用組成物７〜９を調製した。
(Compositions 7-9 for spraying)
According to the formulation shown in Table 3 below, spray compositions 7-9 were prepared.
（比較例１）
噴霧用組成物７を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Comparative Example 1)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 7 was used.
（比較例２）
噴霧用組成物８を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Comparative Example 2)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 8 was used.
（比較例３）
噴霧用組成物９を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Comparative Example 3)
A spray product for sun protection was produced in the same manner as in Example 1 except that the spray composition 9 was used.
（噴霧用組成物１０〜１２）
以下の表４に示される処方にしたがい、噴霧用組成物１０〜１２を調製した。
(Composition 10-12 for spraying)
In accordance with the formulation shown in Table 4 below, spray compositions 10-12 were prepared.
＊１１：ＮＩＫＫＯＬ ＴＯ−１０Ｖ、ＨＬＢ１５、日光ケミカルズ（株）製
（実施例７）
噴霧用組成物１０を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Example 7)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 10 was used.
（比較例４）
噴霧用組成物１１を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Comparative Example 4)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 11 was used.
（比較例５）
噴霧用組成物１２を用いた以外は、実施例１と同様の方法により日焼け防止用噴霧製品を作製した。
(Comparative Example 5)
A spray product for sun protection was prepared in the same manner as in Example 1 except that the spray composition 12 was used.
実施例１〜７および比較例１〜５において作製された日焼け防止用噴霧製品について、以下の方法により、乳化安定性および噴霧特性を評価した。結果を表５に示す。 About the spray products for sun protection produced in Examples 1-7 and Comparative Examples 1-5, the emulsion stability and spray characteristics were evaluated by the following methods. The results are shown in Table 5.
（乳化安定性）
それぞれの日焼け防止用噴霧製品について、４５℃の恒温室に保管する４５℃保存と、１２時間毎に４５℃と５℃とに温度変化するサイクル室に保管するサイクル保存とを行い、所定期間経過後の噴霧用組成物の状態を目視で観察し、以下の評価基準に沿って評価した。
（評価基準）
◎：４５℃保存およびサイクル保存共に、３ヵ月経過しても紫外線吸収剤を含む油相の分離が確認されなかった。
○：４５℃保存は３ヵ月経過しても紫外線吸収剤を含む油相の分離が確認されなかったが、サイクル保存は３ヵ月経過するとわずかに分離が確認された。
×：４５℃保存およびサイクル保存共に、１日後に紫外線吸収剤を含む油相の分離が確認された。
(Emulsification stability)
Each spray product for sun protection is stored at 45 ° C. in a constant temperature room at 45 ° C., and stored in a cycle room where the temperature changes between 45 ° C. and 5 ° C. every 12 hours. The state of the later spray composition was visually observed and evaluated according to the following evaluation criteria.
(Evaluation criteria)
(Double-circle): Separation of the oil phase containing an ultraviolet absorber was not confirmed even after 3 months of storage at 45 ° C. and cycle storage.
◯: Separation of the oil phase containing the ultraviolet absorber was not confirmed even after 3 months of storage at 45 ° C., but slight separation was confirmed after 3 months of storage in the cycle.
X: Separation of the oil phase containing an ultraviolet absorber was confirmed after 1 day for both 45 ° C. storage and cycle storage.
（噴霧特性）
それぞれの日焼け防止用噴霧製品を２５℃の恒温水槽中に１時間浸漬し、その後、上下に振とうせずに、噴射孔から２０ｃｍの距離に設置したガラス板に噴霧したときの付着物の状態を目視で観察し、以下の評価基準に沿って評価した。
（評価基準）
○：乳白色の液滴が均等に付着した。
×：部分的に半透明になっている液滴が付着した。
(Spray characteristics)
The state of deposits when each sunscreen spray product is immersed in a constant temperature water bath at 25 ° C. for 1 hour and then sprayed on a glass plate placed at a distance of 20 cm from the spray hole without shaking up and down. Were visually observed and evaluated according to the following evaluation criteria.
(Evaluation criteria)
○: Milky white droplets adhered evenly.
X: A partially translucent droplet adhered.
表５に示されるように、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含む乳化剤により油相と水相とを乳化させた噴霧用組成物１〜６および１０をそれぞれ充填した実施例１〜７の日焼け防止用噴霧製品は、いずれも乳化安定性が良好であり、４５℃の高温環境下で３ヵ月保管しても油相の分離が確認されなかった。一方、上記以外の乳化剤により油相と水相とを乳化させた噴霧組成物７〜９、１１および１２をそれぞれ充填した比較例１〜５の日焼け防止用噴霧製品は、いずれも乳化安定性が高いとは言えず、１日後には油相の分離が確認された。また、実施例１〜７の日焼け防止用噴霧製品は、噴霧すると、いずれも分離のない乳白色の噴霧用組成物が均等に付着した。一方、比較例１〜５の日焼け防止用噴霧製品は、噴霧すると、一部が分離して半透明になった噴霧用組成物が、まだらに付着した。 As shown in Table 5, Examples 1 to 6 filled with spray compositions 1 to 6 and 10 in which an oil phase and an aqueous phase were emulsified with an emulsifier containing sucrose fatty acid ester and fatty acid hydrogenated castor oil, respectively, were filled. The spray products for sun protection of No. 7 had good emulsification stability, and no oil phase separation was confirmed even after storage for 3 months in a high temperature environment of 45 ° C. On the other hand, the sunscreen spray products of Comparative Examples 1 to 5 filled with spray compositions 7 to 9, 11 and 12 each emulsified with an oil phase and an aqueous phase with an emulsifier other than those described above, all have emulsion stability. It was not high, and separation of the oil phase was confirmed after 1 day. Moreover, when the spray products for sun protection of Examples 1 to 7 were sprayed, milky white spray compositions without any separation adhered evenly. On the other hand, when the spray products for sun protection of Comparative Examples 1 to 5 were sprayed, the spray composition that was partially separated and became translucent adhered to the mottle.
Claims (6)
前記乳化剤は、ショ糖脂肪酸エステルと脂肪酸水添ヒマシ油とを含み、
前記乳化剤により、前記水を含む水相中に、前記紫外線吸収剤を含む油相が形成された、噴霧用組成物。 Including an ultraviolet absorber, an emulsifier, and water;
The emulsifier comprises sucrose fatty acid ester and fatty acid hydrogenated castor oil,
The composition for spraying in which the oil phase containing the said ultraviolet absorber was formed in the water phase containing the said water by the said emulsifier.
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