WO2023037900A1 - カプセル体化粧料 - Google Patents

カプセル体化粧料 Download PDF

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Publication number
WO2023037900A1
WO2023037900A1 PCT/JP2022/032156 JP2022032156W WO2023037900A1 WO 2023037900 A1 WO2023037900 A1 WO 2023037900A1 JP 2022032156 W JP2022032156 W JP 2022032156W WO 2023037900 A1 WO2023037900 A1 WO 2023037900A1
Authority
WO
WIPO (PCT)
Prior art keywords
capsule body
body cosmetic
alginate
mass
total amount
Prior art date
Application number
PCT/JP2022/032156
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
静磨 田中
将英 佐野
Original Assignee
株式会社 資生堂
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 株式会社 資生堂 filed Critical 株式会社 資生堂
Priority to CN202280055769.6A priority Critical patent/CN117794499A/zh
Priority to JP2023546883A priority patent/JPWO2023037900A1/ja
Publication of WO2023037900A1 publication Critical patent/WO2023037900A1/ja

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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
    • A61K8/11—Encapsulated compositions
    • 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
    • A61K8/73—Polysaccharides
    • 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 capsule body cosmetics. More particularly, it relates to a capsule body cosmetic that can be applied to the skin.
  • Patent Document 1 proposes a capsule body in which an oily component is encapsulated in a capsule film containing calcium alginate and a water-soluble polymer, with the aim of achieving a hardness that facilitates crushing.
  • the present inventors considered that if the outer membrane of the capsule body itself, together with the encapsulated components, becomes a component that is compatible with the skin, it will lead to a reduction in waste.
  • Conventional capsule outer membranes using calcium alginate are hard and difficult to blend with the skin.
  • the present inventors have surprisingly found that a capsule cosmetic containing a specific amount of alginate, a higher alcohol, and a specific surfactant has a good shape and is compatible with the skin. found to be good.
  • the present invention is based on these findings. Accordingly, the present invention discloses a capsule body cosmetic and a method for producing the same.
  • a capsule body cosmetic comprising (A) an alginate containing a polyvalent metal salt of alginic acid, (B) a higher alcohol, and (C) a nonionic surfactant or an anionic surfactant, A) A capsule body cosmetic in which the content of alginate is 0.25 to 1.5% by mass with respect to the total amount of the capsule body cosmetic. [2] (A) The capsule body cosmetic of [1], wherein the alginate comprises calcium alginate.
  • (C) the nonionic surfactant or anionic surfactant is selected from the group consisting of polyoxyethylene alkyl ethers, polyoxyethylene fatty acid esters, and fatty acid soaps.
  • Capsule cosmetics [4] The capsule body cosmetic according to any one of [1] to [3], further comprising (D) an alkyl glyceryl ether. [5] The capsule body according to [4], wherein the total amount of (B) higher alcohol and (D) alkyl glyceryl ether is 0.05 to 15% by mass with respect to the total amount of the capsule body cosmetic. cosmetics.
  • the present invention it is possible to provide a capsule body cosmetic that is excellent in shape and has excellent compatibility with the skin, and that is suitable for use in cosmetics.
  • a capsule body cosmetic according to the present invention By applying the capsule body cosmetic according to the present invention to the skin, it is possible to provide the skin with firmness.
  • the capsule body cosmetic according to the present invention can be directly handled by hand, does not require packaging with a plastic film or the like, and can reduce the burden on the environment. In addition, since only the amount used for one time can be handled easily, there is no chance of contamination due to contact with the residue, giving a feeling of cleanliness.
  • Capsule body cosmetics The present invention provides a capsule body cosmetic comprising (A) an alginate containing a polyvalent metal salt of alginic acid, (B) a higher alcohol, and (C) a nonionic surfactant or an anionic surfactant, (A) The content of the alginate is 0.25 to 1.5% by mass with respect to the total amount of the capsule cosmetic.
  • Capsule body cosmetics have a certain elasticity and can be stored stably. On the other hand, by rubbing it on the skin with fingertips, it can be easily creamed and blended into the skin without leaving any residue.
  • the shape of the capsule body cosmetic is preferably spherical, more preferably spherical. It is preferable that the aesthetics of the appearance is excellent, because it leads to the enhancement of the user's sense of exhilaration and aggressiveness.
  • the average particle size of the capsule body cosmetic is preferably 0.1 to 50 mm, more preferably 0.5 to 20 mm, still more preferably 3 to 15 mm. The particle size of capsules can be measured using a microscope.
  • the capsule body cosmetic according to the present invention is (A) an alginate containing a polyvalent metal salt of alginic acid (hereinafter sometimes referred to as component (A).
  • component (A) Alginate polyvalent metal salts include, for example, calcium alginate and barium alginate, with calcium alginate being preferred.
  • component (A) contains monovalent metal alginic acid in addition to polyvalent metal alginic acid. It is more preferable that the outer surface of the capsule body cosmetic contains a large amount of alginate polyvalent metal salt, and the inner phase of the capsule body cosmetic contains a low proportion of alginate polyvalent metal salt or does not contain alginate polyvalent metal salt.
  • capsule membranes containing alginate polyvalent metal salts are known to be hard and difficult to absorb into the skin. By combining with other ingredients, it is possible to obtain a capsule body cosmetic excellent in compatibility with the skin. Although not bound by theory, this is believed to be due to the following reasons.
  • the component (A) gels, a hard film is formed.
  • the component (B) and the component (C) form an aggregate to form a gel having an ⁇ structure ( ⁇ gel). It is believed that this ⁇ -gel partially inhibits the gelation of the component (A) and allows the composition to have an appropriate hardness that is compatible with the skin.
  • the capsule body cosmetic is applied to the skin, the skin can be given a feeling of firmness.
  • the blending amount of component (A) is 0.25 to 1.5% by mass, preferably 0.4 to 1.3% by mass, more preferably 0.25% to 1.5% by mass, based on the total amount of the capsule body cosmetic. 6 to 1.2% by mass.
  • the capsule body cosmetic according to the present invention contains (B) a higher alcohol.
  • the higher alcohol refers to a monohydric alcohol having 6 or more carbon atoms, preferably a higher alcohol having an OH group at the end of an alkyl group without branching or multiple bonds, more preferably a A fatty alcohol of 16 or greater.
  • Higher alcohols include, for example, behenyl alcohol, stearyl alcohol, cetearyl alcohol, cetyl alcohol and the like.
  • the blending amount of component (B) is preferably 0.03 to 10% by mass, more preferably 0.05 to 5% by mass, and still more preferably 0.3 to 2.5% by mass.
  • the capsule cosmetic according to the present invention comprises (C) a nonionic surfactant or anionic surfactant.
  • Component (C) is preferably a nonionic surfactant or a combination of a nonionic surfactant and an anionic surfactant.
  • Component (C) is preferably selected from the group consisting of polyoxyethylene alkyl ethers, polyoxyethylene fatty acid esters and fatty acid soaps, more preferably polyoxyethylene alkyl ethers, polyoxyethylene fatty acid esters or polyoxyethylene It is a combination of ethylene fatty acid ester and fatty acid soap.
  • polyoxyethylene alkyl ethers examples include polyoxyethylene cetyl ether, polyoxyethylene oleyl ether, polyoxyethylene behenyl ether, polyoxyethylene stearyl ether, etc. Among them, polyoxyethylene behenyl ether, polyoxyethylene stearyl Ethers are preferred.
  • the number of added moles of ethylene oxide is not particularly limited, but is preferably 10 or more, more preferably 15 or more, from the viewpoint of emulsion stability, transparency, and the like.
  • the polyoxyethylene fatty acid ester may be linear or polychain.
  • straight chain types include polyethylene glycol laurate, polyethylene glycol palmitate, polyethylene glycol stearate, polyethylene glycol isostearate, and polyethylene glycol distearate.
  • Polyoxyethylene glycerin fatty acid esters are preferred as polychain types, for example, polyoxyethylene (caprylic/capric acid) glyceryl, polyoxyethylene coconut oil fatty acid glyceryl, polyoxyethylene glyceryl monooleate, polyoxyethylene glyceryl monomyristate, polyoxyethylene glyceryl monostearate, polyoxyethylene glyceryl monoisostearate, polyoxyethylene glyceryl triisostearate, and the like.
  • the number of moles of ethylene oxide to be added is not particularly limited, but from the viewpoint of enhancing emulsion stability, it is preferably 2 to 100, more preferably 4 to 90.
  • “Fatty acid soap” means a fatty acid and its alkali salt in the present invention.
  • fatty acids fatty acids having 8 to 22 carbon atoms are preferred, and may be linear, branched, saturated or unsaturated. Specifically, one or a combination of two or more of behenic acid, palmitoleic acid, oleic acid, isomyristic acid, isopalmitic acid, and isostearic acid can be used.
  • Examples of the alkali constituting the fatty acid salt include inorganic alkalis such as potassium hydroxide and sodium hydroxide, organic alkalis such as triethanolamine, and basic amino acids such as lysine and arginine. Among these alkalis, inorganic alkalis such as potassium hydroxide are preferred.
  • the blending amount of component (C) is preferably 0.1 to 15% by mass, more preferably 0.5 to 10% by mass, relative to the total amount of the capsule body cosmetic.
  • the capsule body cosmetic according to the present invention may further contain (D) an alkyl glyceryl ether.
  • Component (D) is thought to function as an auxiliary agent for component (B) during the formation of the ⁇ -gel described above, and by further including component (D), the film quality of the capsule can be improved.
  • Component (D) is a mono- or diether of alcohol and glycerin, preferably a monoether of alcohol having 14 to 20 carbon atoms and glycerin.
  • Component includes, for example, batyl alcohol, chimyl alcohol, and the like.
  • the total amount of (B) higher alcohol and (D) alkyl glyceryl ether is preferably 0.05 to 15% by mass, more preferably 0.1 to 5% by mass, based on the total amount of the capsule body cosmetic. %, more preferably 0.5 to 3% by mass.
  • the mass ratio of (A) the amount of alginate to the total amount of (B) higher alcohol and (D) alkyl glyceryl ether is preferably 1:0.1 to 1:15, more preferably is 1:0.2 to 1:5, more preferably 1:0.5 to 1:4.
  • composition according to the present invention may further contain (E) oil.
  • Components (A) to (D) are not included in component (E).
  • component (E) include silicone oils, hydrocarbon oils, ester oils, waxes, liquid oils and solid oils, preferably silicone oils, hydrocarbon oils and solid oils.
  • silicone oils include linear polysiloxanes (eg, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.), cyclic polysiloxanes (eg, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexane siloxane, etc.), silicone resins that form a three-dimensional network structure, silicone rubber, various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.), acrylic silicone and the like, preferably chain polysiloxane.
  • linear polysiloxanes eg, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane
  • hydrocarbon oils examples include isododecane, isohexadecane, hydrogenated polydecene, hydrogenated polyisobutene, isoparaffin, liquid paraffin, ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.
  • ester oils include octyl octanoate, nonyl nonanoate, cetyl octanoate, isopropyl myristate, octyldodecyl myristate, isopropyl palmitate, ethylhexyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, and oleic acid.
  • waxes examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, wart wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, isopropyl lanolin fatty acid, hexyl laurate, and reduced lanolin.
  • jojoba wax hard lanolin, shellac wax
  • POE lanolin alcohol ether POE lanolin alcohol acetate
  • POE cholesterol ether lanolin fatty acid polyethylene glycol
  • POE hydrogenated lanolin alcohol ether examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, wart wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, isopropyl lanolin fatty acid, hexyl laurate, and
  • liquid fats and oils examples include avocado oil, camellia oil, macadamia nut oil, corn oil, olive oil, rapeseed oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, and eno oil. , soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, sinagiri oil, Japanese pear oil, jojoba oil, germ oil, triglycerin and the like.
  • solid fats and oils examples include cacao butter, coconut oil, hydrogenated coconut oil, palm oil, palm kernel oil, hydrogenated palm oil, Japanese wax kernel oil, hydrogenated oil, Japanese wax, and hydrogenated castor oil.
  • (E) component can be blended one or two or more.
  • the amount of (E) is preferably 1 to 20% by mass, more preferably 3 to 15% by mass, and more preferably 5 to 10% by mass, relative to the total amount of the capsule body cosmetic. Within this range, it is possible to suppress stickiness and shine when applied to the skin.
  • the capsule body cosmetic according to the present invention can contain (F) a thickener.
  • Thickeners include, for example, gum arabic, carrageenan, karaya gum, tragacanth gum, carob gum, quince seed (quince), casein, dextrin, gelatin, sodium pectate, sodium araginate, methylcellulose, ethylcellulose, CMC, hydroxyethylcellulose, hydroxypropyl Cellulose, PVA, PVM, PVP, sodium polyacrylate, carboxyvinyl polymer, locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate, xanthan gum, magnesium aluminum silicate, bentonite, hectorite, A1 Mg silicate (Vegum), Laponite, silicic anhydride, and the like, preferably carboxyvinyl polymer.
  • a thickener include, for example, gum arabic, carrageenan, karaya gum
  • the blending amount of component (F) is preferably 0.05 to 1% by mass, more preferably 0.1 to 0.5% by mass, based on the total amount of the capsule body cosmetic. By setting it as this range, the emulsification stability of a capsule body cosmetics can be improved.
  • the capsule body cosmetic according to the present invention can contain other ingredients that are commonly used in cosmetics as long as they do not impair the effects of the present invention.
  • these ingredients include, for example, moisturizers, preservatives, pH adjusters, water-soluble agents (eg, arbutin, ascorbic acid glucoside, tranexamic acid, 4-methoxysalicylate, etc.), ultraviolet absorbers, chelating agents, pigments, Dyes, water and the like can be mentioned.
  • the capsule body cosmetic according to the present invention is suitable for use as a cosmetic base having a unique appearance and feel. Capsule cosmetics using the base can be used as facial and body cosmetics. A preferred form of the capsule body cosmetic of the present invention is a pack cosmetic. In addition, it can be used as cosmetics for bathing, health, sports, etc., and can also be used as quasi-drugs, care products, and the like.
  • the method for producing a capsule body cosmetic comprises the following steps: A step of preparing a composition comprising (A') a monovalent metal salt of alginic acid, (B) a higher alcohol, and (C) a nonionic or anionic surfactant (hereinafter referred to as a composition preparation step) a step of contacting the composition with an aqueous solution containing polyvalent metal ions to form a capsule cosmetic (hereinafter sometimes referred to as a capsule forming step); comprising Each step will be described in detail below.
  • Monovalent metal alginate includes, for example, potassium alginate and sodium alginate, preferably sodium alginate.
  • a composition comprising (B) a higher alcohol and (C) a nonionic surfactant or an anionic surfactant means the same as the above components (B) and (C).
  • a composition is prepared by stirring a mixture of components (A'), (B) and (C).
  • a composition can also be prepared by further adding the above components (D) to (F) and components commonly used in cosmetics to the mixture.
  • the composition prepared above is brought into contact with an aqueous solution containing polyvalent metal ions to form a capsule cosmetic.
  • Polyvalent metal ions include calcium ions and barium ions, preferably calcium ions.
  • the aqueous solution containing polyvalent metal ions for example, water-soluble calcium salts such as calcium chloride, calcium lactate and calcium acetate, or water-soluble barium salts such as barium chloride, barium acetate, barium lactate and barium gluconate are dissolved. can be used.
  • the method of contact is not particularly limited, but an example thereof includes a method of dropping the composition prepared above into an aqueous solution containing polyvalent metal ions. After dropping, if necessary, the capsule body cosmetic formed by stirring may be taken out and washed with water.
  • the present invention will be specifically described based on the following examples, but the present invention is not limited to these examples. Unless otherwise specified, the blending amount is expressed in % by mass with respect to the total amount.
  • Example 1 Compositions with formulations shown in Table 1 were prepared. This composition was added dropwise to a 1% by mass calcium chloride aqueous solution and stirred to form a capsule body cosmetic. This was scooped up and washed with water to obtain a capsule body cosmetic of Example 1.
  • Examples 2 to 16 and Comparative Examples 1 to 4 Capsule cosmetics of Examples 2 to 16 and Comparative Examples 1 to 4 were prepared in the same manner as in Example 1 with formulations shown in Tables 1 and 2.

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  • 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)
  • Dermatology (AREA)
  • Emergency Medicine (AREA)
  • Cosmetics (AREA)
PCT/JP2022/032156 2021-09-10 2022-08-26 カプセル体化粧料 WO2023037900A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280055769.6A CN117794499A (zh) 2021-09-10 2022-08-26 胶囊体化妆品
JP2023546883A JPWO2023037900A1 (zh) 2021-09-10 2022-08-26

Applications Claiming Priority (2)

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JP2021-147988 2021-09-10
JP2021147988 2021-09-10

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WO2023037900A1 true WO2023037900A1 (ja) 2023-03-16

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02117610A (ja) * 1988-10-26 1990-05-02 Kobayashi Kose Co Ltd エマルシヨン内包カプセル含有化粧料
CN105213203A (zh) * 2015-10-30 2016-01-06 重庆小丸科贸有限公司 一种微胶囊型保湿眼霜的制备方法
JP2019131504A (ja) * 2018-01-31 2019-08-08 伯東株式会社 カプセル及びその製造方法、並びにカプセル入り化粧料及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02117610A (ja) * 1988-10-26 1990-05-02 Kobayashi Kose Co Ltd エマルシヨン内包カプセル含有化粧料
CN105213203A (zh) * 2015-10-30 2016-01-06 重庆小丸科贸有限公司 一种微胶囊型保湿眼霜的制备方法
JP2019131504A (ja) * 2018-01-31 2019-08-08 伯東株式会社 カプセル及びその製造方法、並びにカプセル入り化粧料及びその製造方法

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CN117794499A (zh) 2024-03-29

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