WO2024143141A1 - 優れた肌荒れ改善効果を有する組成物 - Google Patents

優れた肌荒れ改善効果を有する組成物 Download PDF

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Publication number
WO2024143141A1
WO2024143141A1 PCT/JP2023/045894 JP2023045894W WO2024143141A1 WO 2024143141 A1 WO2024143141 A1 WO 2024143141A1 JP 2023045894 W JP2023045894 W JP 2023045894W WO 2024143141 A1 WO2024143141 A1 WO 2024143141A1
Authority
WO
WIPO (PCT)
Prior art keywords
composition
composition according
component
polymer
copolymer
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.)
Ceased
Application number
PCT/JP2023/045894
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English (en)
French (fr)
Japanese (ja)
Inventor
歩 浅井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiseido Co Ltd
Original Assignee
Shiseido Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shiseido Co Ltd filed Critical Shiseido Co Ltd
Priority to JP2024567701A priority Critical patent/JPWO2024143141A1/ja
Priority to CN202380082161.7A priority patent/CN120282771A/zh
Publication of WO2024143141A1 publication Critical patent/WO2024143141A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin

Definitions

  • the present invention relates to a composition that has excellent effects in improving rough skin.
  • compositions that have an effect of improving skin spots are applied to the subject, and products such as cosmetics that have an effect of improving spots have been developed as such compositions.
  • the present invention provides a composition containing a specific polymer that has an excellent effect of improving rough skin and has a pH in a specific range.
  • a composition comprising: (A) a microgel; and (B) a copolymer of 2-methacryloyloxyethyl phosphorylcholine and butyl methacrylate,
  • the component (A) is (a1) comprises a polymer having one or more groups of sulfonic acid or sulfate groups, and (a2) is amorphous in the composition; A composition having a pH of 4.0 to 5.0.
  • composition according to (1) or (2), wherein the monomer in (a1) is ammonium acryloyldimethyltaurate.
  • the copolymer in (a1) is one or more selected from the group consisting of (ammonium acryloyldimethyltaurate/beheneth-25 methacrylate) crosspolymer and (ammonium acryloyldimethyltaurate/vinylpyrrolidone) copolymer.
  • component (A) has an average particle size in a water-swollen state of 2 to 50 ⁇ m.
  • (11) The composition according to any one of (1) to (10), which is a cosmetic composition.
  • a composition comprising a microgel comprising a microgel
  • the component (A) is (a1) comprises a polymer having one or more sulfonic acid or sulfate groups; (a3) comprises a cationic polymer, and (a4) has an average particle size in a water-swollen state of 2 to 50 ⁇ m; the components (a1) and (a3) are blended together so that the total charge in the composition of the component (A) is negative; A composition having a pH of 4.0 to 5.0.
  • the composition according to (12), wherein the polymer in (a1) is a copolymer having a monomer which is a compound having one or more groups selected from the group consisting of sulfonic acid and sulfuric acid.
  • composition according to (12) or (13), wherein the monomer in (a1) is sodium acryloyldimethyltaurate.
  • the copolymer in (a1) is a (sodium acryloyldimethyltaurate/dimethylacrylamide) crosspolymer.
  • the average particle size of the component (a1) in a water-swollen state, as measured by a laser analysis particle size distribution analyzer, is less than 2 ⁇ m.
  • composition according to any one of (12) to (16), wherein the cationic polymer in (a3) is one or more selected from the group consisting of cationized hydroxyalkyl cellulose, cationized cellulose, cationized guar gum, cationized locust bean gum, cationized chitosan, cationized oligosaccharides, cationized starch derivatives, acrylamide-acrylic acid-dimethyldiallylammonium chloride copolymer, and vinylpyrrolidone-N,N-dimethylaminoethyl methacrylic acid copolymer sulfate.
  • the cationic polymer in (a3) is one or more selected from the group consisting of cationized hydroxyalkyl cellulose, cationized cellulose, cationized guar gum, cationized locust bean gum, cationized chitosan, cationized oligosaccharides, cationized starch derivative
  • a composition comprising (A) a microgel.
  • the (A) component in the composition comprises (a1) a polymer having one or more groups selected from sulfonic acid groups and sulfate groups, (a3) a cationic polymer, and (a4) an average particle size in a water-swollen state of 2 to 50 ⁇ m.
  • the pH of the composition is 4.0 to 5.0.
  • the average particle size of the microgel in the water-swollen state in this composition means the particle size at an integrated value of 50% in the particle size distribution, and is a value measured using an aqueous solution containing 0.05% by mass of NaCl as a solvent.
  • component (A) comprises (a1) a polymer having one or more groups selected from sulfonic acid groups and sulfate groups, (a3) a cationic polymer, and (a4) an average particle size in a water-swollen state of 2 to 50 ⁇ m, the components (a1) and (a3) are preferably blended together so that the total charge of component (A) in the composition is negative, although this is not a limitation.
  • Example 13 Lotion (pH 4.5) A formulation example of a lotion within the scope of the composition of the present invention is shown below as Example 13.
  • the average particle size of the composition produced by this was 2.2 ⁇ m, and the total charge was negative.
  • 2 was dissolved in a portion of water, and mixed with 1 dissolved in the remaining water. 17 was added and dissolved, 4 and 16 were mixed, and 6 and 7 were moistened therewith, 8 to 10 were dissolved in heated 5, and 13, 14, and 19 were mixed, 3 was added, and mixed uniformly, and 18 was dissolved, to obtain a lotion within the scope of the composition of the present invention.
  • the obtained lotion had excellent effect of recovering rough skin.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)
PCT/JP2023/045894 2022-12-28 2023-12-21 優れた肌荒れ改善効果を有する組成物 Ceased WO2024143141A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024567701A JPWO2024143141A1 (https=) 2022-12-28 2023-12-21
CN202380082161.7A CN120282771A (zh) 2022-12-28 2023-12-21 具有优异的肌肤粗糙改善效果的组合物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-212586 2022-12-28
JP2022212586 2022-12-28

Publications (1)

Publication Number Publication Date
WO2024143141A1 true WO2024143141A1 (ja) 2024-07-04

Family

ID=91717440

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/045894 Ceased WO2024143141A1 (ja) 2022-12-28 2023-12-21 優れた肌荒れ改善効果を有する組成物

Country Status (3)

Country Link
JP (1) JPWO2024143141A1 (https=)
CN (1) CN120282771A (https=)
WO (1) WO2024143141A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121196956A (zh) * 2025-11-26 2025-12-26 云南特色植物提取实验室有限公司 一种协同增稠的保湿组合物及其在化妆品中的应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015120682A (ja) * 2013-11-19 2015-07-02 株式会社 資生堂 水中油型乳化化粧料
JP2018016584A (ja) * 2016-07-28 2018-02-01 富士フイルム株式会社 水中油型化粧料
JP2019218307A (ja) * 2018-06-20 2019-12-26 株式会社 資生堂 組成物
JP2020117500A (ja) * 2019-01-22 2020-08-06 ロート製薬株式会社 皮膚外用組成物
WO2022255271A1 (ja) * 2021-06-04 2022-12-08 株式会社 資生堂 美容組成物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015120682A (ja) * 2013-11-19 2015-07-02 株式会社 資生堂 水中油型乳化化粧料
JP2018016584A (ja) * 2016-07-28 2018-02-01 富士フイルム株式会社 水中油型化粧料
JP2019218307A (ja) * 2018-06-20 2019-12-26 株式会社 資生堂 組成物
JP2020117500A (ja) * 2019-01-22 2020-08-06 ロート製薬株式会社 皮膚外用組成物
WO2022255271A1 (ja) * 2021-06-04 2022-12-08 株式会社 資生堂 美容組成物

Also Published As

Publication number Publication date
JPWO2024143141A1 (https=) 2024-07-04
CN120282771A (zh) 2025-07-08

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