WO2023223839A1 - Produit cosmétique de protection solaire - Google Patents
Produit cosmétique de protection solaire Download PDFInfo
- Publication number
- WO2023223839A1 WO2023223839A1 PCT/JP2023/017127 JP2023017127W WO2023223839A1 WO 2023223839 A1 WO2023223839 A1 WO 2023223839A1 JP 2023017127 W JP2023017127 W JP 2023017127W WO 2023223839 A1 WO2023223839 A1 WO 2023223839A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cosmetic
- oil
- forming agent
- film
- mass
- Prior art date
Links
- 239000002537 cosmetic Substances 0.000 title claims abstract description 77
- 230000000475 sunscreen effect Effects 0.000 title claims abstract description 11
- 239000000516 sunscreening agent Substances 0.000 title claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004359 castor oil Substances 0.000 claims abstract description 32
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- 235000019438 castor oil Nutrition 0.000 claims abstract description 30
- 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 30
- 239000000843 powder Substances 0.000 claims abstract description 23
- -1 polyoxyethylene Polymers 0.000 claims abstract description 22
- 239000007908 nanoemulsion Substances 0.000 claims abstract description 20
- 125000006353 oxyethylene group Chemical group 0.000 claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 17
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 25
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- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
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- 125000004429 atom Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- PFURGBBHAOXLIO-UHFFFAOYSA-N cyclohexane-1,2-diol Chemical compound OC1CCCCC1O PFURGBBHAOXLIO-UHFFFAOYSA-N 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
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- WAYINTBTZWQNSN-UHFFFAOYSA-N 11-methyldodecyl 3,5,5-trimethylhexanoate Chemical compound CC(C)CCCCCCCCCCOC(=O)CC(C)CC(C)(C)C WAYINTBTZWQNSN-UHFFFAOYSA-N 0.000 description 1
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- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008406 cosmetic ingredient Substances 0.000 description 1
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 1
- SASYSVUEVMOWPL-NXVVXOECSA-N decyl oleate Chemical compound CCCCCCCCCCOC(=O)CCCCCCC\C=C/CCCCCCCC SASYSVUEVMOWPL-NXVVXOECSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- HSAAILPTFCIOSG-UHFFFAOYSA-N diethyl sulfate 1-ethenylpyrrolidin-2-one Chemical compound C(=C)N1C(CCC1)=O.S(=O)(=O)(OCC)OCC HSAAILPTFCIOSG-UHFFFAOYSA-N 0.000 description 1
- FDATWRLUYRHCJE-UHFFFAOYSA-N diethylamino hydroxybenzoyl hexyl benzoate Chemical compound CCCCCCOC(=O)C1=CC=CC=C1C(=O)C1=CC=C(N(CC)CC)C=C1O FDATWRLUYRHCJE-UHFFFAOYSA-N 0.000 description 1
- 229960001630 diethylamino hydroxybenzoyl hexyl benzoate Drugs 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 229940031769 diisobutyl adipate Drugs 0.000 description 1
- 229940031569 diisopropyl sebacate Drugs 0.000 description 1
- XFKBBSZEQRFVSL-UHFFFAOYSA-N dipropan-2-yl decanedioate Chemical compound CC(C)OC(=O)CCCCCCCCC(=O)OC(C)C XFKBBSZEQRFVSL-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- DLAHAXOYRFRPFQ-UHFFFAOYSA-N dodecyl benzoate Chemical compound CCCCCCCCCCCCOC(=O)C1=CC=CC=C1 DLAHAXOYRFRPFQ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 229940068171 ethyl hexyl salicylate Drugs 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 1
- 229940100608 glycol distearate Drugs 0.000 description 1
- 229910000271 hectorite Inorganic materials 0.000 description 1
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 1
- MHIBEGOZTWERHF-UHFFFAOYSA-N heptane-1,1-diol Chemical compound CCCCCCC(O)O MHIBEGOZTWERHF-UHFFFAOYSA-N 0.000 description 1
- XJNUECKWDBNFJV-UHFFFAOYSA-N hexadecyl 2-ethylhexanoate Chemical compound CCCCCCCCCCCCCCCCOC(=O)C(CC)CCCC XJNUECKWDBNFJV-UHFFFAOYSA-N 0.000 description 1
- FHKSXSQHXQEMOK-UHFFFAOYSA-N hexane-1,2-diol Chemical compound CCCCC(O)CO FHKSXSQHXQEMOK-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229940100463 hexyl laurate Drugs 0.000 description 1
- 229960004881 homosalate Drugs 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 229940100554 isononyl isononanoate Drugs 0.000 description 1
- XUGNVMKQXJXZCD-UHFFFAOYSA-N isopropyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC(C)C XUGNVMKQXJXZCD-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229940094522 laponite Drugs 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- XCOBTUNSZUJCDH-UHFFFAOYSA-B lithium magnesium sodium silicate Chemical compound [Li+].[Li+].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3.O1[Si](O2)([O-])O[Si]3([O-])O[Si]1([O-])O[Si]2([O-])O3 XCOBTUNSZUJCDH-UHFFFAOYSA-B 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229940078812 myristyl myristate Drugs 0.000 description 1
- GQEZCXVZFLOKMC-UHFFFAOYSA-N n-alpha-hexadecene Natural products CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229940117969 neopentyl glycol Drugs 0.000 description 1
- 239000010466 nut oil Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 229960001679 octinoxate Drugs 0.000 description 1
- 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 1
- 229960000601 octocrylene Drugs 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229940068968 polysorbate 80 Drugs 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005553 polystyrene-acrylate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000009725 powder blending Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910000275 saponite Inorganic materials 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- DZKXJUASMGQEMA-UHFFFAOYSA-N tetradecyl tetradecanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCC DZKXJUASMGQEMA-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 229950006389 thiodiglycol Drugs 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229940118594 trimethylolpropane triisostearate Drugs 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
Definitions
- the present invention relates to sunscreen cosmetics. More specifically, it consists of an oil-in-water emulsion (nanoemulsion) that has fine oil droplets containing a UV absorber, and can be used in the form of a top-up cosmetic that is applied on makeup-applied skin.
- the present invention also relates to a sunscreen cosmetic that exhibits an ultraviolet protection effect exceeding the ultraviolet protection ability originally possessed by the ultraviolet absorber.
- base cosmetics that are applied to makeup-applied skin and prevent makeup from fading.
- Conventional base cosmetics generally contain a film-forming agent and protect the base cosmetic with a film formed by the film-forming agent to prevent/suppress makeup fading.
- the finishing cosmetic described in Patent Document 1 contains a predetermined amount of fine cellulose fibers and a polymer having film-forming ability in an aqueous medium, and is applied in the form of a mist onto makeup cosmetics such as foundation. By spraying on the skin, you can prevent makeup from fading and secondary adhesion.
- top cosmetics also called “fix mist”
- fix mist which can be used in the same way as the above-mentioned finishing cosmetics, to have functions such as skin care and UV protection, in addition to functions such as preventing makeup from fading. It has become.
- cosmetic ingredients with skin care and UV protection functions are often highly polar oils, and it has been difficult to stably incorporate them into an aqueous medium.
- Patent Document 2 discloses a transparent water-based cosmetic containing predetermined amounts of a UV absorber having a specific triazine skeleton, polyoxyethylene hydrogenated castor oil having an average added mole of polyoxyethylene of 20 to 50 moles, ethanol, and water. Fees are listed.
- This transparent water-based cosmetic is a stable oil-in-water type fine emulsion (nanoemulsion) in which the particle size of the ultraviolet absorber having a triazine skeleton is 20 to 100 nm.
- Patent Document 3 discloses an oil-in-water type fine emulsion (average particle size of 150 nm or less) in which a poorly soluble ultraviolet absorber is stably blended by replacing the ethanol in Patent Document 2 with a polyol.
- a poorly soluble ultraviolet absorber is stably blended by replacing the ethanol in Patent Document 2 with a polyol.
- stability is maintained even when the amounts of the ultraviolet absorber and the surfactant are approximately the same, but the appearance of the fine emulsion is not transparent.
- Patent No. 6940980 Patent No. 4226951 JP2013-47206A
- the present invention was made in view of the current state of the technology, and provides an excellent fine emulsion (nanoemulsion) that can stably incorporate a UV absorber, which is a polar oil, and has a transparent or translucent appearance.
- the purpose of the present invention is to provide a sunscreen cosmetic that exhibits a UV protection effect.
- the present inventors selected a specific polyoxyethylene hydrogenated castor oil as a surfactant, and used it to apply polar oil to an aqueous medium containing ethanol.
- the present inventors have discovered that the above-mentioned problems can be solved by forming a nanoemulsion in which ultraviolet absorbers are finely emulsified and further incorporating powder and/or film forming agents, and have completed the present invention.
- the present invention (a) UV absorber; (b) lower alcohol; and (c) consisting of an oil-in-water nanoemulsion containing a surfactant containing polyoxyethylene hydrogenated castor oil with an added mole of oxyethylene of 20 to 30;
- the present invention provides a sunscreen cosmetic characterized by further containing one or both of (d) a powder and (e) a film-forming agent.
- the sunscreen cosmetic of the present invention is capable of stably retaining (a) the ultraviolet absorber, which is a polar oil. Furthermore, by blending (d) powder and/or (e) film forming agent, the ultraviolet protection ability originally possessed by (a) the ultraviolet absorber is further improved (boosted). Therefore, (a) a high UV protection effect can be achieved even if the amount of oil containing UV absorbers is small, so it feels refreshing when applied to the skin, has a transparent or translucent appearance, and has a mist-like appearance. It can also be applied by spraying. Furthermore, like conventional finishing cosmetics, it is possible to obtain a multifunctional cosmetic that not only prevents makeup from fading but also has an excellent protective effect against ultraviolet rays.
- the sunscreen cosmetic of the present invention (hereinafter also simply referred to as “cosmetic") comprises (a) an ultraviolet absorber, (b) a lower alcohol, and (c) a polyoxyethylene having an added mole of oxyethylene of 20 to 30. It consists of a nanoemulsion containing a surfactant containing hydrogenated castor oil, and is characterized by further containing (d) powder and/or (e) a film forming agent.
- polyoxyethylene may be abbreviated as "POE”, polyoxypropylene as “POP”, polyethylene glycol as “PEG”, ethylene oxide as "EO”, and propylene oxide as "PO”.
- the (a) ultraviolet absorber (hereinafter sometimes simply referred to as "component (a)") in the cosmetic of the present invention is an organic ultraviolet absorber that can be used in cosmetics, etc. Not particularly limited. Among these, it is preferable to contain at least one organic ultraviolet absorber that is liquid at room temperature, such as octyl methoxycinnamate (2-ethylhexyl para-methoxycinnamate), ethylhexyl salicylate, homosalate, octocrylene, and the like.
- organic UV absorbers oil-soluble UV absorbers
- polar oils including organic UV absorbers that are liquid at room temperature
- t-butylmethoxydibenzoylmethane ethylhexyltri Azone
- diethylaminohydroxybenzoylhexylbenzoate bisethylhexyloxyphenolmethoxyphenyltriazine, oxybenzone-3
- methylenebisbenzotriazolyltetramethylbutylphenol and the like
- an oil-soluble ultraviolet absorber it is preferably blended in a state dissolved in polar oil.
- the polar oil that functions as a solvent for the oil-soluble ultraviolet absorber can be blended into cosmetics, and is not particularly limited as long as it is a highly polar oil that is liquid at room temperature (25°C).
- the polar oil is preferably selected from oils with an IOB value of 0.1 or more, particularly an IOB value of more than 0.1 and less than 0.6.
- IOB value is set according to the atom or functional group, and the "inorganic value” and “organic value” of all atoms and functional groups in an organic compound are integrated.
- the IOB value of the organic compound can be calculated by (for example, see Yoshio Koda, "Organic Conceptual Diagram - Basics and Applications", pp. 11-17, published by Sankyo Publishing, 1984).
- polar oils other than organic ultraviolet absorbers that are liquid at room temperature
- polar oils include, but are not limited to, fatty acids such as oleic acid and isostearic acid; alkyl benzoate (C12-15), isopropyl myristate, octyl palmitate, Isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, isononyl isononanoate, isotridecyl isononanoate, cetyl ethylhexanoate, glycol distearate, glyceryl diisostearate, neopentyl glycol dicaprate, dimalate Isostearyl, glyceryl tri-2-ethylhexanoate (triethylhexanoin), trimethylolpropane trioctanoate, trimethylolpropane triis
- the cosmetic of the present invention is in the form of a nanoemulsion, it is stable even if it contains a relatively large amount of (a) ultraviolet absorber, which is a polar oil. Therefore, the lower limit of the amount of ultraviolet absorber (a) in the cosmetic of the present invention is, for example, 1% by mass or more, 3% by mass or more, 5% by mass or more, or 7% by mass, based on the total amount of the cosmetic. It can be more than that.
- the upper limit of the blending amount of the ultraviolet absorber can be, for example, 40% by mass or less, 35% by mass or less, or 30% by mass or less, based on the total amount of the cosmetic.
- the blending amount range of the ultraviolet absorber can be, for example, 1 to 40% by weight, 3 to 35% by weight, 5 to 30% by weight, or 7 to 30% by weight.
- it is formulated so that (a) UV absorber accounts for 50% by mass or more, 60% by mass or more, 70% by mass or more, or 80% by mass or more of the total amount of polar oil blended in the cosmetic. It is preferable to do so.
- the cosmetic of the present invention is a nanoemulsion in which an oil containing the polar oil (including (a) ultraviolet absorber) is finely emulsified in an aqueous medium, and the aqueous medium includes water and (b) Contains lower alcohol.
- the lower alcohol (b) (hereinafter sometimes simply referred to as "component (b)”) is typically a monohydric alcohol having 1 to 4 carbon atoms. Specific examples include methanol, ethanol, propanol, isopropanol, and butanol, among which ethanol is preferably used.
- the amount of lower alcohol (b) in the cosmetic of the present invention can be, for example, 1 to 20% by mass, preferably 5 to 15% by mass, and 7 to 12% by mass, based on the total amount of the cosmetic. It is more preferable to express it in mass %. (b) If the amount of lower alcohol is less than 1% by mass, a stable nanoemulsion may not be formed.
- the cosmetic of the present invention is made by finely emulsifying the (a) oil containing an ultraviolet absorber into the (b) aqueous medium containing a lower alcohol using (c) a surfactant. Contains emulsions.
- the surfactant (c) used in the present invention (hereinafter sometimes simply referred to as "component (c)") contains polyoxyethylene hydrogenated castor oil having an added mole of oxyethylene of 20 to 30.
- POE hydrogenated castor oil Polyoxyethylene hydrogenated castor oil (hereinafter referred to as "POE hydrogenated castor oil”) is widely used in cosmetics because it is highly safe for the skin among nonionic surfactants.
- POE hydrogenated castor oils having an added mole of oxyethylene of 20 to 30 are used.
- POE hydrogenated castor oil with an added mole of oxyethylene of 20 to 30 refers to POE (20) hydrogenated castor oil with an added mole of oxyethylene of 20 (PEG-20 hydrogenated castor oil).
- HLB Hydrophilic Balance
- the amount of "POE hydrogenated castor oil with an added mole of oxyethylene of 20 to 30" is preferably 1 to 15% by mass, and 2 to 12% by mass based on the total amount of the cosmetic. It is more preferable to set it as mass %, and it is still more preferable to set it as 3 mass % or more and less than 10 mass %.
- the present invention excludes the use of nonionic surfactants or ionic surfactants other than "POE hydrogenated castor oil with an added mole of oxyethylene of 20 to 30" as (c) a surfactant. It's not a thing. However, the blending amount is limited to a range that does not impede the effects of the present invention.
- the cosmetic of the present invention has an embodiment in which (c) the surfactant consists only of "POE hydrogenated castor oil with an added mole of oxyethylene of 20 to 30", for example, polysorbate 80, sorbitan monoisostearate or sorbitan diisostearate. This includes embodiments that do not contain sorbitan fatty acid esters.
- the powder (d) (hereinafter sometimes referred to as "component (d)") blended into the cosmetic of the present invention is not particularly limited as long as it is a powder component that can be blended into the cosmetic.
- component (d) The shape of the powder is not particularly limited, and examples include extender pigments, organic or inorganic powders, and clay minerals.
- extender pigments include talc, kaolin, mica, synthetic mica, sericite, magnesium carbonate, calcium carbonate, barium sulfate, and talc/silica/titanium oxide complex.
- organic or inorganic powders include organic powders such as nylon, polyacrylonitrile, polyester, polyethylene, polypropylene, polystyrene, polyurethane, cellulose, starch, and silicone resins, magnesium silicate, calcium silicate, titanium oxide, and anhydrous silicon.
- examples include inorganic powders such as acid (silica).
- clay minerals include natural or synthetic laponite and smectite, such as montmorillonite, bentonite, saponite, and hectorite.
- the blending amount of the powder (d) in the cosmetic of the present invention is preferably 0.1 to 5% by mass, more preferably 0.3 to 4% by mass, and 0.5 to 3% by mass based on the total amount of the cosmetic. is even more preferable. If the blending amount is less than 0.1% by mass, the effect of powder blending may not be obtained.
- film-forming agent (e) (hereinafter also referred to as “component (e)") blended into the cosmetic of the present invention is a substance that forms a film when the solvent evaporates. There is no particular limitation as long as it can be used for food, etc.
- Film forming agents include water-soluble ones and oil-soluble ones.
- water-soluble film forming agents include hydroxyethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone (PVP), hydrolyzed cornstarch, polyethylene glycol (high molecular weight), and the like.
- oil-soluble film forming agents include vinylpyrrolidone (VP)/dimethylaminoethyl methacrylic acid copolymer, VP/eicosene copolymer, VP/ethyl methacrylate/methacrylic acid copolymer, VP/hexadecene copolymer, VP/vinyl acetate ( Vinylpyrrolidone film forming agents such as VA) copolymers, VP/VA/itaconic acid copolymers, styrene/VP copolymers; ethyl acrylate/acrylic acid amide/acrylic acid copolymers, ethyl acrylate/butyl acrylate copolymers, ethyl acrylate/ Ethyl methacrylate copolymer, ethyl acrylate/methacrylate copolymer, ethyl acrylate/methyl methacrylate copolymer, octy
- the blending amount of the film forming agent (e) in the cosmetic of the present invention is preferably 0.1 to 5% by mass, more preferably 0.3 to 4% by mass, and 0.5 to 3% by mass, based on the total amount of the cosmetic. Mass % is more preferred. If the blending amount is less than 0.1% by mass, the effect of blending the film forming agent may not be obtained.
- the cosmetic of the present invention contains (a) an ultraviolet absorber, (b) a lower alcohol (such as ethanol), and (c) a surfactant, and further contains (d) a powder and/or (e) a film forming agent.
- a nanoemulsion that refers to a fine oil-in-water emulsion whose emulsion particle size is less than 200 nm, preferably less than 100 nm. By forming the nanoemulsion with such a small emulsion particle size, excellent emulsion stability and a transparent or translucent appearance can be achieved.
- the "emulsion particle diameter" in this specification is a value measured by a dynamic light scattering method, specifically, a value measured at 25° C. using Zeta sizer nano (manufactured by Malvern).
- the ratio (mass ratio) of the amount of (c) surfactant to the amount of (b) lower alcohol (mass ratio) [(c)/(b)] is preferably less than 1.5, and more preferably Preferably it is 1.2 or less, more preferably 1.0 or less.
- the ratio (mass ratio) of the amount of (c) surfactant to (a) the amount of polar oil containing an ultraviolet absorber [(c)/polarity oil] is preferably 4 or less, more preferably 3 or less, still more preferably 2 or less.
- the range of this ratio [(c)/polar oil] is preferably from 0.3 to 3, particularly preferably from 0.4 to 2.
- the cosmetic composition of the present invention may contain other optional components that can be normally incorporated into cosmetic compositions within a range that does not impair the effects of the present invention.
- examples include oils (other than polar oils), humectants, thickeners, various medicinal ingredients, preservatives, antioxidants, and the like.
- polyhydric alcohols such as glycerin, ethylene glycol, propylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, 1,2-pentanediol (pentylene glycol), 1,5-pentane Diol, neopentyl glycol, 1,2-hexanediol, 1,6-hexanediol, 1,2-cyclohexanediol, heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol , diglycerin, pentaerythritol, diethylene glycol, dipropylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol (low molecular weight), polypropylene glycol, thiodiglycol, and the like.
- the cosmetic of the present invention can be easily used as a top cosmetic that is applied on makeup-applied skin. Since it is in the form of an oil-in-water nanoemulsion with fine oil droplets, it feels refreshing and less sticky when applied to the skin. For example, it can be provided in a container equipped with a nozzle with a diameter of 0.1 to 1.0 ⁇ , and used by spraying it in a mist.
- the cosmetic of the present invention is preferably prepared to have a viscosity that does not run off on the skin, for example, a viscosity of about 1000 mPa ⁇ s.
- the cosmetic of the present invention can contain a relatively large amount of ultraviolet absorber as an oil-in-water nanoemulsion cosmetic, and has a transparent or translucent appearance. It is particularly suitable as a sunscreen cosmetic that prevents or suppresses makeup fading and at the same time exhibits high UV protection ability.
- the blending amount is expressed in mass % based on the system in which the component is blended.
- Nanoemulsion compositions were prepared according to the formulations listed in Tables 1 to 3 below.
- the composition of each example was evaluated for makeup durability, UV protection ability, rate of increase in UV protection ability (booster effect), transparency of appearance, and usability using the following methods.
- composition (cosmetic) of each example was dropped in an amount of 2 mg/cm 2 onto a measurement plate (S plate) (5 x 5 cm V-groove PMMA (polymethyl methacrylate) plate, SPFMASTER-PA01), and the mixture was poured with a finger for 60 seconds. After coating and drying for 15 minutes, the absorbance of the formed coating film was measured using a U-3500 self-recording spectrophotometer manufactured by Hitachi, Ltd.
- UV protection ability increase rate (%)] ⁇ ([Accumulated absorbance value of each example]/[Accumulated absorbance value of control]) ⁇ 100 ⁇ -100
- compositions (cosmetics) of each example were placed in a container equipped with a nozzle with a diameter of 0.25 to 0.4 ⁇ , and mist was sprayed onto the skin of a professional panel on which makeup was applied, and the stickiness after application was sensory evaluated.
- an oil containing an ultraviolet absorber is added to (b) an aqueous medium containing a lower alcohol, and (c) a hydrogenated polyoxyethylene with an added mole number of oxyethylene of 20 to 30.
- the cosmetic of the present invention is made of an oil-in-water nanoemulsion finely emulsified using a surfactant containing castor oil, and contains (d) a powder or (e) a film-forming agent. It can be sprayed with a mist from a small nozzle, has excellent usability and long-lasting makeup, and shows particularly high (boosted) UV protection effects.
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Abstract
La présente invention concerne un produit cosmétique de protection solaire qui présente une excellente protection contre les UV, est une émulsion fine (nanoémulsion) d'aspect transparent ou translucide, et peut être mélangé de manière stable avec un absorbeur d'UV, qui est une huile polaire. La présente invention concerne un produit cosmétique de protection solaire comprenant une nanoémulsion de type huile dans l'eau contenant (a) un absorbeur d'UV, (b) un alcool inférieur, et (c) un tensioactif contenant de l'huile de ricin hydrogénée de polyoxyéthylène ayant de 20 à 30 moles ajoutées d'oxyéthylène et caractérisé en ce qu'il contient également (d) une poudre et/ou (e) un agent filmogène.
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JP2022-081547 | 2022-05-18 | ||
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JP2002068935A (ja) * | 2000-07-13 | 2002-03-08 | L'oreal Sa | 非イオン性ポリマーを含有するナノエマルジョン、及びその使用、特に化粧、皮膚科学、薬学、及び/又は眼科学の分野における使用 |
JP2004352678A (ja) * | 2003-05-30 | 2004-12-16 | Shiseido Co Ltd | 透明水系組成物 |
JP2008537952A (ja) * | 2005-04-14 | 2008-10-02 | モーメンティブ・パフォーマンス・マテリアルズ・インク | 良好な特性を有する、シリコーン樹脂含有パーソナルケア組成物、その製造方法並びにその使用 |
JP2012140404A (ja) * | 2010-12-13 | 2012-07-26 | Shiseido Co Ltd | 水中油型乳化日焼け止め化粧料 |
JP2015503587A (ja) * | 2012-01-04 | 2015-02-02 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッド | イオン性シリコーンおよび膜形成剤を含有するパーソナルケア組成物 |
JP2019151567A (ja) * | 2018-03-01 | 2019-09-12 | 花王株式会社 | ミスト化粧料 |
WO2020175398A1 (fr) * | 2019-02-27 | 2020-09-03 | 株式会社コーセー | Produit cosmétique de protection de maquillage de type multicouche |
JP2021059534A (ja) * | 2019-10-04 | 2021-04-15 | ジョンソン・アンド・ジョンソン・コンシューマー・インコーポレイテッドJohnson & Johnson Consumer Inc. | 噴霧可能な日焼け止め組成物 |
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JP2002068935A (ja) * | 2000-07-13 | 2002-03-08 | L'oreal Sa | 非イオン性ポリマーを含有するナノエマルジョン、及びその使用、特に化粧、皮膚科学、薬学、及び/又は眼科学の分野における使用 |
JP2004352678A (ja) * | 2003-05-30 | 2004-12-16 | Shiseido Co Ltd | 透明水系組成物 |
JP2008537952A (ja) * | 2005-04-14 | 2008-10-02 | モーメンティブ・パフォーマンス・マテリアルズ・インク | 良好な特性を有する、シリコーン樹脂含有パーソナルケア組成物、その製造方法並びにその使用 |
JP2012140404A (ja) * | 2010-12-13 | 2012-07-26 | Shiseido Co Ltd | 水中油型乳化日焼け止め化粧料 |
JP2015503587A (ja) * | 2012-01-04 | 2015-02-02 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッド | イオン性シリコーンおよび膜形成剤を含有するパーソナルケア組成物 |
JP2019151567A (ja) * | 2018-03-01 | 2019-09-12 | 花王株式会社 | ミスト化粧料 |
WO2020175398A1 (fr) * | 2019-02-27 | 2020-09-03 | 株式会社コーセー | Produit cosmétique de protection de maquillage de type multicouche |
JP2021059534A (ja) * | 2019-10-04 | 2021-04-15 | ジョンソン・アンド・ジョンソン・コンシューマー・インコーポレイテッドJohnson & Johnson Consumer Inc. | 噴霧可能な日焼け止め組成物 |
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