WO2015016054A1 - Emulsion composition - Google Patents

Emulsion composition Download PDF

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Publication number
WO2015016054A1
WO2015016054A1 PCT/JP2014/068748 JP2014068748W WO2015016054A1 WO 2015016054 A1 WO2015016054 A1 WO 2015016054A1 JP 2014068748 W JP2014068748 W JP 2014068748W WO 2015016054 A1 WO2015016054 A1 WO 2015016054A1
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WIPO (PCT)
Prior art keywords
extract
oil
acid
mass
examples
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PCT/JP2014/068748
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French (fr)
Japanese (ja)
Inventor
真由子 金久
田代　朋子
拓治 小杉
Original Assignee
富士フイルム株式会社
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Priority to CN201480036429.4A priority Critical patent/CN105338951A/en
Publication of WO2015016054A1 publication Critical patent/WO2015016054A1/en

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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
    • 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
    • A61K8/31—Hydrocarbons
    • 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
    • A61K8/342—Alcohols having more than seven atoms in an unbroken chain
    • 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
    • A61K8/35—Ketones, e.g. benzophenone
    • 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
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • 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
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
    • 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
    • A61K8/89—Polysiloxanes
    • A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
    • A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/12—Preparations containing hair conditioners

Definitions

  • the present invention relates to an emulsified composition.
  • Astaxanthin and lycopene which are carotenoids, are known to have functions such as an antioxidant effect, an anti-inflammatory effect, an anti-skin aging effect, a stain or wrinkle formation preventing effect, and various compositions such as foods and cosmetics.
  • carotenoids are easily affected by oxidation, and improvement of storage stability has been an issue.
  • application to a relatively high hardness emulsified composition is desired in order to effectively utilize the properties of carotenoids.
  • a white gel based on an aggregate of water, a surfactant, and a higher alcohol generally called an ⁇ -gel
  • ⁇ -gel a white gel based on an aggregate of water, a surfactant, and a higher alcohol
  • a higher alcohol which is an important component of ⁇ -gel, is generally used in combination of two or more types for the purpose of improving the coating feel or stability of the emulsion composition.
  • a higher alcohol which is an important component of ⁇ -gel
  • due to the blending composition ratio of the higher alcohol there is a problem that an unstable structure due to a mixed crystal of higher alcohols is generated over time and the hardness is increased.
  • the generation of the unstable structure in the ⁇ -gel described above causes a change in the oil droplet size in the ⁇ -gel.
  • the hardness of the gel that is, the hardness of the emulsion composition
  • the carotenoid having a red color is present in the emulsion composition. It has been found that the color change of the composition appears remarkably when it coexists with. The remarkable color change in the composition is a big problem on the appearance of the emulsified composition.
  • a composition containing a carotenoid which is an active ingredient it has been found that stability over time, in particular, suppression of color change due to change in microstructure is important.
  • An object of the present invention is to provide an emulsified composition having excellent storage stability, in which a change in hardness and a change in color with time are suppressed in an emulsified composition containing a carotenoid.
  • the present inventors prepared an emulsion composition containing two or more higher alcohols having different carbon chain lengths, a cationic surfactant, and a cationic polymer.
  • a cationic surfactant having different carbon chain lengths
  • a cationic polymer having different carbon chain lengths
  • a cationic surfactant having different carbon chain lengths
  • a cationic polymer having different carbon chain lengths
  • a cationic surfactant e.g., a cationic polymer
  • a cationic polymer emulsion composition containing two or more higher alcohols having different carbon chain lengths, a cationic surfactant, and a cationic polymer.
  • the hardness stability of the emulsified composition over time is improved, and in addition, the color change of the composition can be suppressed.
  • the present invention has been completed based on these findings.
  • the present invention is as follows.
  • the total content of two or more higher alcohols selected from higher alcohols having 16 to 22 carbon atoms and having different carbon chain lengths is 0.1% by mass to 15% by mass with respect to the emulsion composition. %, And the content of the higher alcohol having 22 carbons is higher than the total content of two or more higher alcohols having different carbon chain lengths selected from higher alcohols having 16 to 22 carbon atoms.
  • an emulsified composition that is excellent in storage stability by suppressing changes in hardness and color tone over time in an emulsified composition containing carotenoids.
  • the emulsified composition of the present invention comprises two or more higher alcohols having different carbon chain lengths selected from carotenoids (hereinafter sometimes referred to as “component (A)”) and higher alcohols having 16 to 22 carbon atoms. (Hereinafter may be referred to as higher alcohol (B) or component (B)), cationic surfactant (hereinafter also referred to as component (C)), and cationic polymer (hereinafter referred to as component (D) )).
  • component (A) higher alcohol
  • component (B) higher alcohol
  • component (C) cationic surfactant
  • component (D) cationic polymer
  • the emulsified composition can have various appearances from transparent gel to milky white depending on the size of the emulsified particles.
  • the present inventors have found a problem that when a red carotenoid is contained in the emulsified composition, a change in hue due to a change in the size of the emulsified particles becomes more significant than when no carotenoid is contained. Therefore, in the present invention, the emulsion composition contains at least two kinds of higher alcohols, cationic surfactants, and cationic polymers having different chain lengths, whereby the stability over time of the emulsion composition, in particular, emulsion particles. The change in the hardness and the change in the hue due to the change in the size were effectively suppressed.
  • the emulsified composition contains two or more types of higher alcohols having relatively long carbon chains and different carbon chain lengths. It is considered that the crystallization is suppressed, the stability of the hardness over time is improved, and the hue change caused by the structural change is effectively suppressed.
  • the content of the higher alcohol having 22 carbon atoms with respect to the total content of the higher alcohol (B) is 60 mass% or less. It is estimated that the storage stability of the emulsion composition is further improved.
  • a numerical range indicated by using “to” indicates a range including the numerical values described before and after “to” as the minimum value and the maximum value, respectively.
  • the amount of each component in the composition is the total amount of the plurality of substances present in the composition unless there is a specific indication when there are a plurality of substances corresponding to each component in the composition. Means.
  • embodiments of the present invention will be described more specifically.
  • the carotenoid used in the emulsified composition of the present invention is a natural antioxidant component and can, for example, eliminate active oxygen and suppress unwanted oxidation of lipids.
  • Carotenoid is a terpenoid pigment having a yellow to red hue.
  • carotenoids include those derived from plants, algae, and bacteria.
  • carotenoids are not limited to those derived from nature, and origins are not limited as long as they are carotenoids obtained according to a conventional method.
  • carotenoid in the present invention examples include lycopene, ⁇ -carotene, ⁇ -carotene, ⁇ -carotene, ⁇ -carotene, actinioerythrol, bixin, canthaxanthin, capsorubin, ⁇ -8′-apo-carotenal, ⁇ -8′-apo-carotenal, which includes ⁇ -12′-apo-carotenal, xanthophylls, and hydroxy or carboxy derivatives thereof, is sometimes referred to as apocarotenal.
  • xanthophylls examples include astaxanthin, fucoxanthin, lutein, zeaxanthin, capsanthin, ⁇ -cryptoxanthin, violaxanthin and the like.
  • Carotenoids may be used alone or in combination of two or more in the emulsion composition.
  • carotenoids having an effect of removing active oxygen are preferable from the viewpoint of suppressing the generation of lipid peroxide.
  • the carotenoid having an effect of removing active oxygen astaxanthin, lycopene, ⁇ -carotene and the like are preferable, at least one selected from the group consisting of astaxanthin and lycopene is more preferable, and astaxanthin is particularly preferable.
  • Astaxanthin encompasses at least one of derivatives such as astaxanthin and esters of astaxanthin.
  • astaxanthin and derivatives of astaxanthin are collectively referred to as “astaxanthin” unless otherwise specified.
  • Astaxanthin may be contained in the emulsified composition of the present invention as an astaxanthin-containing oil separated or extracted from a natural product containing astaxanthin. Astaxanthin may further be a product obtained by appropriately purifying, as necessary, a product separated or extracted from this natural product, or may be a synthetic product.
  • astaxanthin which is a suitable example of a carotenoid
  • natural products containing astaxanthin such as plants, algae, crustaceans and bacteria
  • any astaxanthin obtained according to a conventional method can be used.
  • natural astaxanthin include red yeast faffia, hematococcus algae, marine bacteria, and krill.
  • astaxanthin that can be used in the present invention include natural products containing astaxanthin and extracts from cultures thereof.
  • astaxanthin that can be used in the present invention astaxanthin extracted from Haematococcus algae and a pigment derived from krill are particularly preferable from the viewpoint of quality or productivity.
  • astaxanthin extracted from Haematococcus alga is also referred to as Haematococcus alga extract.
  • hematococcus algae extracts include ASTOTS-S, ASTOTS-ST, ASTOTS-2.5 O, ASTOTS-5 O, ASTOTS-10 O, etc., manufactured by Takeda Paper Instruments Co., Ltd., Fuji Chemical Industry Co., Ltd. Asteryl Oil 50F, Asteryl Oil 5F, etc., such as BioAsin SCE7 manufactured by Toyo Enzyme Chemical Co., Ltd. are available.
  • Astax ST Co., Ltd. manufactured by Itano Frozen Co., Ltd. can be obtained.
  • the content of astaxanthin as a pure pigment content in the Haematococcus alga extract or krill extract that can be used in the present invention is preferably 0.001% by mass to 50% by mass from the viewpoint of handling during production of the composition. More preferably, the content is 0.01% by mass to 25% by mass.
  • the content of the carotenoid in the emulsified composition is preferably 0.000001% by mass to 0.01% by mass, and preferably 0.00001% by mass to 0.0075% by mass from the viewpoint of obtaining the expected effect of the carotenoid content. More preferred is 0.0001% by mass to 0.005% by mass. If it is 0.000001 mass% or more, the active oxygen removal effect tends to be sufficiently obtained, and if it is 0.01 mass% or less, the appearance at the time of use becomes good.
  • “higher alcohol” refers to an alcohol having an alkyl chain length of 16 to 22 carbon atoms.
  • the alkyl group may be branched, but is preferably linear because the storage stability of the emulsion composition is further improved.
  • the example of the higher alcohol used for this invention is given. Those with common names are also listed. Specific examples include the following compounds.
  • two or more alcohols having alkyl groups having different carbon chain lengths can be selected and used.
  • a combination of two or more higher alcohols and the content ratio of the higher alcohol used in combination to the total higher alcohol (B) can be appropriately selected and used.
  • higher alcohols preferably include hexadecanol, octadecanol, and docosanol, and an embodiment in which two or three of them are selected and used is preferable.
  • the higher alcohol preferably contains at least one higher alcohol having 18 carbon atoms as two or more higher alcohols having different carbon chain lengths.
  • content of a C22 higher alcohol is 60 mass% or less with respect to the whole quantity of the higher alcohol contained in an emulsion composition.
  • they are 1.0 mass% or more and 50 mass% or less, and it is more preferable that they are 2.0 mass% or more and 30 mass% or less.
  • examples of the combination of two or more higher alcohols having different carbon chain lengths in the present invention include the following combinations.
  • content shown below is a content ratio with respect to the total content of the higher alcohol contained in an emulsion composition.
  • two kinds of higher alcohols having 22 carbon atoms and higher alcohols having 18 carbon atoms are preferably included.
  • a combination containing a higher alcohol having 22 carbon atoms, 50 mass% or less, a higher alcohol having 18 carbon atoms, 10 mass% or more and 70 mass% or less, and a higher alcohol having 16 carbon atoms, less than 60 mass%. is there.
  • the content of the higher alcohol (B) is preferably in the range of 0.1% by mass to 15% by mass, more preferably the total amount of the two or more higher alcohols, with respect to the total amount of the emulsified composition.
  • the range is from 2% by mass to 15% by mass.
  • the emulsified composition of the present invention contains a cationic surfactant.
  • a cationic surfactant By containing the cationic surfactant, the emulsion composition is excellent in hardness stability over time.
  • Known cationic surfactants can be used as appropriate.
  • Specific examples of the cationic surfactant that can be used in the present invention include alkyltrimethylammonium salts such as stearyltrimethylammonium chloride and lauryltrimethylammonium chloride, alkylpyridinium salts such as cetylpyridinium chloride, and distearyldimethylammonium chloride.
  • Dialkyldimethylammonium salts such as poly (N, N′-dimethyl-3,5-methylenepiperidinium), monoalkyl quaternary ammonium salts, dialkyl quaternary ammonium salts, alkyldimethylbenzylammonium salts, alkylisoquinolides Nium salts, dialkyl morphonium salts, alkylamine salts such as polyoxyethylene-alkylamines, polyamine fatty acid derivatives, amyl alcohol fatty acid derivatives, benzalkonium chloride, benzethonium chloride Or the like.
  • dialkyl quaternary ammonium salts and monoalkyl quaternary ammonium salts are exemplified.
  • Dialkyl quaternary ammonium salts include preferred dicoco dimonium chlorides.
  • Monoalkyl quaternary ammonium salts include alkyl chlorides. Preferred is trimethylammonium. More specifically, behenyl trimethyl ammonium chloride, lauryl trimethyl ammonium chloride, and stearyl trimethyl ammonium chloride are preferable, and stearyl trimethyl ammonium chloride and the like are more preferable.
  • the content of the cationic surfactant in the emulsion composition of the present invention is preferably 0.3% by mass to 5.0% by mass, and 0.5% by mass to 3.0% by mass with respect to the total amount of the emulsion composition. More preferred. Setting the content of the cationic surfactant within the above range is preferable because the stability of the emulsion composition is suitably maintained, the feeling of use becomes good, and the problem of skin irritation hardly occurs.
  • the emulsion composition of the present invention contains a cationic polymer.
  • a cationic polymer By containing the cationic polymer, the stability of the ⁇ -gel state in the emulsion composition is improved, and the hardness stability and hue stability with time are excellent.
  • water-soluble cationic polymers are preferable, for example, cellulose polymers such as methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, or compounds obtained by cationically modifying water-soluble acrylic acid polymers, such as guar gum Examples thereof include compounds obtained by cationically modifying polysaccharides.
  • examples of the cationic polymer that can be used in the present invention include cationized cellulose such as polyquaternium-10, diallyldimethylammonium chloride / acrylamide copolymer such as polyquaternium-7, and acrylic such as polyquaternium-22.
  • Acid / diallyldimethylammonium chloride copolymer acrylic acid / diallyldimethylammonium chloride / acrylamide copolymer such as polyquaternium-39, acrylic acid / cationized methacrylic acid ester copolymer, acrylic acid / cationized methacrylic acid amide Copolymer, acrylic acid / methyl acrylate / methacrylamidopropyltrimethylammonium chloride copolymer such as polyquaternium-47, methacrylic acid choline ester polymer; cationized oligosaccharide Cationized polysaccharides such as cationized dextran and guar hydroxypropyltrimonium chloride; polyethyleneimine; cationic polymers; 2-methacryloyloxyethyl phosphorylcholine polymers such as polyquaternium-51 and copolymers with butyl methacrylate copolymers, etc.
  • cationized cellulose such as polyquaternium-10, diallyldimethylammonium chloride / acrylamide copolymer such as polyquaternium-7, and acrylic acid / diallyldimethylammonium chloride copolymer such as polyquaternium-22 are preferable.
  • the content of the cationic polymer in the emulsion composition of the present invention is preferably 0.01% by mass to 3.0% by mass, and more preferably 0.05% by mass to 1.0% by mass with respect to the total amount of the emulsion composition. Range.
  • the emulsified composition of the present invention contains various compounds in addition to the essential components of the above component (A), component (B), component (C), and component (D), as long as the effects of the present invention are not impaired. Can be used together.
  • a treatment agent for hair cosmetics, it can contain a treatment agent.
  • One or more sorts selected from silicone, hydrolyzed protein, and oil content different from higher alcohol which is the above-mentioned ingredient (B) can be used.
  • the oil can be selected from those generally used in cosmetics as long as the stability is not impaired.
  • desirable oils include polar oils such as hydrocarbon oils and ester oils, silicone oils, and liquid oils that are liquid at room temperature.
  • polar oils such as hydrocarbon oils and ester oils, silicone oils, and liquid oils that are liquid at room temperature.
  • hydrocarbon oil include liquid paraffin, squalane, squalene, paraffin, isoparaffin, ceresin and the like.
  • silicone oil examples include chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, and cyclic silicones such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane.
  • chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane
  • cyclic silicones such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane.
  • silicone oil examples include chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, and cyclic silicones such as octa
  • polar oils such as ester oils include pentaerythrityl tetraethylhexanoate, cetyl ethylhexanoate, jojoba oil, dilauroyl glutamate (phytosteryl / octyldodecyl), triisostearin, glyceryl diisostearate, triethylhexanoin, dimerlinol Acid (phytosteryl / behenyl), dimer linoleic acid (phytosteryl / isostearyl / cetyl / stearyl / behenyl), isopropyl palmitate, macadamia nut fatty acid phytosteryl, tetra (behenic acid / benzoic acid / ethylhexanoic acid) pentaerythrityl, palmitic acid Ethylhexyl, myristyl myristate, tripropylene glycol
  • liquid oil examples include linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, sunflower oil, almond oil, rapeseed oil, sesame oil, soybean oil , Peanut oil, triglycerin, glycerin trioctanoate, glycerin triisopalmitate and the like.
  • the oil as the treatment agent in the emulsion composition of the present invention When using the oil as the treatment agent in the emulsion composition of the present invention, only one type may be used, or two or more types may be used.
  • the oil content in the emulsified composition is not particularly limited as long as the effects of the present invention are not impaired, but is preferably about 5% by mass to 30% by mass with respect to the total amount of the emulsified composition.
  • the oil content is 5% by mass or more, the effect of the treatment agent addition is sufficiently obtained, and when it is 30% by mass or less, there is no fear of destabilization due to the addition, and the feeling of use is also improved. .
  • emulsion composition of the present invention various active ingredients commonly used in emulsion compositions, for example, pearl luster materials, preservatives, antioxidants, pigments, thickeners, or pH adjustments are used as necessary.
  • agents can be used.
  • a hair dye, fragrance, antibacterial agent, softener, moisturizer, ultraviolet absorber, active oxygen remover, antioxidant, antimicrobial agent, hair growth One or more selected from agents, minerals, amino acids and the like can be used.
  • the specific example of the pearl luster material which can be used by this invention is enumerated, in this invention, it is not limited to these compounds.
  • the pearlescent material include methylene coated with ethylene glycol distearate, ethylene glycol monostearate, guanine and titanium dioxide, bismuth oxychloride, and monoethanolamide stearate.
  • preservatives include benzoic acid, sodium benzoate, paraben, ethyl paraben, methyl paraben, propyl paraben, butyl paraben, potassium sorbate, sodium sorbate, sorbic acid, sodium dehydroacetate, hydrogen peroxide, formic acid, ethyl formate.
  • Antioxidants include, for example, vitamin A, retinoic acid, retinol, retinol acetate, retinol palmitate, retinyl acetate, retinyl palmitate, tocopheryl retinoic acid, vitamin C and its derivatives, kinetin, tretinoin, vitamin E, ⁇ -Lipoic acid, coenzyme Q10, polyphenols, superoxide dismutase (SOD), phytic acid and the like.
  • coloring agent examples include orange dye, cacao dye, kaolin, carmine, gunjo, cochineal dye, chromium oxide, iron oxide, titanium dioxide, tar dye, chlorophyll and the like.
  • the thickener which can be used by this invention, it is not limited to these compounds.
  • the thickener include quince seed, carrageenan, gum arabic, caraya gum, xanthan gum, gellan gum, tamarind gum, locust bean gum, tragacanth gum, pectin, starch, cyclodextrin, methylcellulose, ethylcellulose, carboxymethylcellulose, sodium alginate, polyvinyl alcohol , Polyvinylpyrrolidone, carboxyvinyl polymer, sodium polyacrylate and the like.
  • Examples of the pH adjuster that can be used in the present invention include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, malic acid, potassium carbonate, triethanolamine, monoethanolamine, and other organic acids or salts thereof, hydrochloric acid Inorganic acids such as perchloric acid, carbonic acid and phosphoric acid and salts thereof, sodium hydrogen carbonate, ammonium hydrogen carbonate, sodium hydroxide, potassium hydroxide and the like can be mentioned.
  • the pH adjuster that can be used in the present invention is not limited to these compounds, and a known pH adjuster may be appropriately selected and used according to the purpose.
  • Examples of various active ingredients that can be used when the emulsified composition of the present invention is for hair include the following ingredients.
  • the hair dye include orange 205, black 401, purple 401, red 102, red 227, red 106, red 504, yellow 203, yellow 403 (1), green 204, Examples thereof include carbon black, black titanium oxide, henna, iron oxide, tar dye, chlorophyll, and pigment.
  • fragrances include musk, acacia oil, anise oil, ylang ylang oil, cinnamon oil, jasmine oil, sweet orange oil, spearmint oil, geranium oil, thyme oil, neroli oil, mint oil, hinoki oil, fennel oil, Peppermint oil, bergamot oil, lime oil, lavender oil, lemon oil, lemongrass oil, rose oil, rosewood oil, anisaldehyde, geraniol, citral, civeton, muscone, limonene, vanillin and the like.
  • Antibacterial agents include, for example, piroctone olamine, isopropyl methyl ether, hinokitiol, zinc pyrithione, climbazole, benzalkonium chloride, photosensitive dye 101, chlorhexidine, salicylic acid, phenol, ketoconazole and miconazole, sulfur, triclosan, trichlorocarbanilide.
  • Chlorhexidine hydrochloride Chlorhexidine gluconate, Halocarban, Chlorophenesin, Benzethonium chloride, Benzalkonium chloride, Lysozyme chloride, Alkyldiaminoethylglycine hydrochloride, Isopropylmethylphenol, Benzoic acid, Photosensitizer 201, Thymol, Hexachlorophene , Berberine, thioxolone, Yukinoshita extract, Oat extract, Ogon extract and their derivatives and salts. .
  • softeners include glycerin, mineral oil, benzyl alcohol, emollient components (eg, isopropyl isostearate, polyglyceryl isostearate, isotridecyl isononanoate, octyl isononanoate, oleic acid, glyceryl oleate, cocoa butter, cholesterol, mixed fatty acids Triglycerides, dioctyl succinate, sucrose acetate stearate, cyclopentasiloxane, sucrose distearate, octyl palmitate, octyl hydroxystearate, aralkyl behenate, sucrose polybehenate, polymethylsilsesquioxane, cetyl myristate, myristyl myristate Hexyl laurate, etc.).
  • emollient components eg, isopropyl isostearate, polyglyceryl isostearate, is
  • humectant examples include agar, diglycerin, distearyldimonium hectorite, butylene glycol, polyethylene glycol, propylene glycol, hexylene glycol, yokinein extract, petrolatum, urea, hyaluronic acid, ceramide, lipid, isoflavone, amino acid, Collagen, mucopolysaccharide, fucodyne, lactoferrin, sorbitol, chitin / chitosan, malic acid, glucuronic acid, placenta extract, seaweed extract, bopipi extract, amacha extract, hypericum extract, coleus extract, masaki extract, kouca extract, maika flower extract, cho Ray extract, hawthorn extract, rosemary extract, Duke extract, chamomile extract, nettle extract, litchi extract, yarrow extract, a Eekisu, horse chestnut extract, Asunaroekizu, Fu
  • UV inhibitors include homomenthyl salicylate, 2-methoxyhexyl 4-methoxycinnamate, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxybenzophenone sulfonic acid, 2-hydroxy-4-methoxybenzophenone
  • Examples thereof include sodium sulfonate, 4-t-butyl-4′-methoxy-dibenzoylmethane, titanium oxide, and zinc oxide.
  • active oxygen scavengers include superoxide dismutase (SOD), mannitol, lutein and derivatives thereof, bilirubin, cholesterol, tryptophan, histidine, quercetin, quercitrin, catechin, catechin derivatives, gallic acid, gallic acid derivatives, and ogon extract.
  • SOD superoxide dismutase
  • mannitol lutein and derivatives thereof
  • bilirubin cholesterol, tryptophan, histidine
  • quercetin quercitrin
  • catechin catechin derivatives
  • gallic acid gallic acid derivatives
  • ogon extract ogon extract.
  • Ginkgo biloba extract Yukinoshita extract
  • Melissa extract, Gennoshoko extract, Boppi extract Parsley extract
  • Tormentilla extract Rakan fruit extract, seaweed extract
  • Yashajitsu extract Zicopi extract and the like.
  • Antioxidants suitable for hair include, for example, retinoic acid, retinol, vitamin C and derivatives thereof, vitamin E and derivatives thereof such as kinetin, tretinoin, tocopherol, sesamin, ⁇ -lipoic acid, coenzyme Q10, flavonoids, Examples include erythorbic acid, propyl gallate, BHT (di-n-butylhydroxytoluene), BHA (butylhydroxyanisole), koki extract, soybean extract, black tea extract, tea extract, age extract and the like.
  • antimicrobial agents examples include triazine compounds, isothiazolone compounds, quaternary ammonium compounds, and the like.
  • hair restorers include glycyrrhetinic acid or derivatives thereof, glycyrrhizic acid or derivatives thereof, hinokitiol, minoxidil or analogs thereof, adenosine, vitamin E or derivatives thereof, vitamin C derivatives, 6-benzylaminopurine, benzyl nicotinate, nicotine Acid tocopherol, nicotinic acid ⁇ -butoxy ester, isopropylmethylphenol, pentadecanoic acid or derivatives thereof, cephalatin, finasteride, t-flavanone, pantothenic acid, panthenol, licorice extract, quince extract, kudin extract, assembly extract, Pepper extract, toucha extract, carrot extract, spinach extract, button extract, mandarin extract and the like can be mentioned.
  • Examples of minerals include metals essential for the maintenance and adjustment of living organisms such as calcium, magnesium, potassium, sodium, zinc, manganese, iron, copper, and selenium.
  • the form of the mineral is not only a mineral alone but also a salt, an oxide, a protein complex or a complex of the degradation product, a polysaccharide complex, or a complex of the degradation product, In addition, it may be in the form of a modified starch complex or a cyclodextrin complex.
  • metal enzyme having minerals such as superoxide dismutase, glutathione peroxidase, and acid phosphatase, such as a metal activating enzyme such as phosphoglucomutase, an enzyme containing a metal other than the active center, and a coenzyme. Form may be sufficient.
  • amino acids examples include glutamic acid, L-aspartic acid, L-alanine, L-cysteine, glycine, L-isoleucine, L-leucine, lysine, and the like, and salts thereof.
  • the active ingredients used for the hair described above may be used alone or in combination of two or more.
  • the emulsified composition of the present invention is suitably used for hair.
  • the dosage form when the emulsified composition of the present invention is used for hair is not particularly limited.
  • rinse, hair conditioner, hair pack, hair liquid, hair tonic, hair spray, permanent wave composition, hair dye, etc. Can be mentioned.
  • a method for applying the emulsified composition of the present invention to the hair is not particularly limited, but may be a conditioner or the like that is applied to the hair and then rinsed off. Alternatively, any of gels, mousses, creams, lotions, or insufflation foams as treatment agents that do not wash away may be used.
  • the emulsion composition of this invention can be obtained by mix
  • carotenoid (A), higher alcohol (B), optional oil component, and cationic surfactant (C), cationic polymer (D) oil-soluble components are mixed by heating and stirring.
  • An oily phase is prepared.
  • a water-soluble one of the cationic surfactant (C) and the cationic polymer (D), a water-soluble one of the optional components, and water are mixed with heating and stirring to obtain a uniform solution to obtain an aqueous phase.
  • it can prepare it is not limited to these compounding methods.
  • the emulsified composition of the present invention comprises an oil phase and an aqueous phase prepared by combining two solutions prepared in advance, each of which forms an aqueous phase and an oil phase, and stirring and mixing as necessary. It can be obtained by preparing an emulsified composition and then cooling to an appropriate temperature. In addition, what is necessary is just to add to the water phase and an oil phase, respectively about the arbitrary component added further if desired.
  • the astaxanthin solution used in the examples and comparison is ASTOTS-ST, manufactured by Takeda Kaiki Co., Ltd.
  • content of astaxanthin in an astaxanthin liquid is 5.0 mass%.
  • the peak when 200 g of force was applied was defined as hardness. It should be noted that when a change in hardness of +20 or more occurs compared with the hardness of the sample at the initial stage of production (one day after production), it is obvious that the hardness has changed, and A to C are levels that have no practical problem. A to B are levels having excellent hardness stability. (Evaluation criteria for hardness stability) +0 (no change in hardness) to less than +10 hardness increase: A +10 or more and less than 15 hardness increase: B +15 to less than 20 hardness increase: C +20 or more hardness increase: D
  • the emulsified compositions of Comparative Examples 1 to 3 composed of only one kind of higher alcohol showed no improvement in both hardness stability and color stability, and had practically problematic levels.
  • the emulsified compositions of Examples comprising two or more higher alcohols had better hardness stability and color stability than the comparative examples.
  • the content of behenyl alcohol (carbon number 22) having a carbon number of 22 in the alkyl chain with respect to the total amount of higher alcohol (B), including stearyl alcohol having 18 carbon atoms in the alkyl chain, is 50% by mass or less.
  • the emulsified compositions of Examples 7 to 11 showed particularly good hardness stability.
  • Examples containing two or more higher alcohols especially emulsified compositions of Examples 5 to 13 containing no behenyl alcohol or containing behenyl alcohol, the content of which is 50% or less based on the total amount of higher alcohol The color change could be suppressed more reliably.
  • Examples 14 to 21, Comparative Example 4 Next, in addition to the effects of the present invention, the feel during use was evaluated. That is, the emulsion compositions of Examples 14 to 21 were prepared in the same manner as Comparative Example 1 except that the content of the higher alcohol (B) and the type of the cationic polymer (D) used were changed. It is. The obtained emulsion composition was evaluated for hardness change and color change in the same manner as in Example 1. Further, the soft feeling of hair after the application of the emulsion composition to the hair according to the following criteria, harshness Evaluation was also made with the feeling such as feeling. The results are shown in Tables 6 to 7.
  • a hair conditioner was prepared according to the following composition.
  • the following numerical value means the mass% with respect to the total mass of the following composition.
  • ⁇ Composition> (mass%) Ethylhexyl palmitate 11.0 ⁇ Stearyl alcohol 2.0 ⁇ Behenyl alcohol 4.0 ⁇ Stear trimonium bromide 0.01 ⁇ 1,3-Butylene glycol 2.0 ⁇ Glycerin 2.0 ⁇ Sodium hyaluronate 0.1 ⁇ Tocopherol 0.1 ⁇ Ceramide 2 0.1 ⁇ Cholesterol 0.1 ⁇ Glycyrrhetinic acid 0.01 ⁇ Water-soluble collagen 0.1 ⁇ Astaxanthin solution 0.01 Acetyl hydroxyproline 0.1 ⁇ Assembly extract 0.001 ⁇ Ginseng root extract 0.001 ⁇ Dipotassium glycyrrhizinate 0.01 ⁇ Polyquaternium-10 1.0 ⁇ Dipentaerythrityl 2.0 ⁇
  • the hair conditioner prepared in Example 22 was excellent in hardness stability and color stability, and was further improved in sharpness of hair.

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Abstract

An emulsion composition comprises a carotenoid, two types or more of higher alcohols that have different carbon chain lengths to each other and are selected from higher alcohols with an alkyl group having 16 to 22 carbon atoms, a cationic surfactant and a cationic polymer, and thus has good storage stability.

Description

乳化組成物Emulsified composition
　本発明は、乳化組成物に関する。 The present invention relates to an emulsified composition.
　カロテノイドの一種であるアスタキサンチン、リコピン等は酸化防止効果、抗炎症効果、皮膚老化防止効果、シミ或いはしわの形成予防効果等の機能を有することが知られており、食品、化粧品等、種々の組成物に適用されている（例えば、国際公開２０１３／００２２７８号パンフレット）。
　しかしながら、カロテノイドは酸化の影響を受けやすく、保存安定性の向上が課題となっていた。カロテノイドを乳化組成物に含有させる場合、カロテノイドの特性を有効に活用するために、比較的高硬度の乳化組成物への適用が望まれている。
　高硬度の乳化組成物の一つとして、水と界面活性剤と高級アルコールとの会合体を基本とする白色のゲル、一般にα－ゲルと称される乳化組成物が注目されている。α－ゲルは、経時安定性が重要な要素の１つとなっており、経時で硬度の減少、或いは増加が生じることが問題であった。 Astaxanthin and lycopene, which are carotenoids, are known to have functions such as an antioxidant effect, an anti-inflammatory effect, an anti-skin aging effect, a stain or wrinkle formation preventing effect, and various compositions such as foods and cosmetics. (For example, pamphlet of International Publication No. 2013/002278).
However, carotenoids are easily affected by oxidation, and improvement of storage stability has been an issue. When carotenoids are contained in an emulsified composition, application to a relatively high hardness emulsified composition is desired in order to effectively utilize the properties of carotenoids.
As one of high-hardness emulsion compositions, a white gel based on an aggregate of water, a surfactant, and a higher alcohol, generally called an α-gel, has attracted attention. In α-gel, stability over time is one of the important factors, and the problem is that the hardness decreases or increases over time.
　従来、α－ゲルの重要な成分である高級アルコールは、乳化組成物の塗布感の向上、或いは安定性の向上を目的として、２種類以上を組み合わせて用いられることが一般的である。しかしながら、高級アルコールの配合組成比に起因して、経時により高級アルコール同士の混晶による不安定構造が発生し、硬度が上昇するという問題があった。 Conventionally, a higher alcohol, which is an important component of α-gel, is generally used in combination of two or more types for the purpose of improving the coating feel or stability of the emulsion composition. However, due to the blending composition ratio of the higher alcohol, there is a problem that an unstable structure due to a mixed crystal of higher alcohols is generated over time and the hardness is increased.
　既述のα-ゲル中における不安定構造の発生は、α－ゲル中における油滴サイズの変化をもたらす。本発明者らの検討によれば、油滴サイズの変化に起因して、ゲルの硬度、即ち、乳化組成物の硬度に変化が生じるのみならず、特に、赤色を有するカロテノイドが乳化組成物中に共存する場合に、組成物の色味変化が顕著に現れることを見出した。
　組成物における顕著な色味変化は、乳化組成物の外観上、大きな問題となる。有効成分であるカロテノイドを含む組成物において、経時安定性、特には、微細構造の変化による色味変化の抑制が重要であることが見出された。 The generation of the unstable structure in the α-gel described above causes a change in the oil droplet size in the α-gel. According to the study by the present inventors, not only does the hardness of the gel, that is, the hardness of the emulsion composition, change due to the change in the oil droplet size, but in particular, the carotenoid having a red color is present in the emulsion composition. It has been found that the color change of the composition appears remarkably when it coexists with.
The remarkable color change in the composition is a big problem on the appearance of the emulsified composition. In a composition containing a carotenoid which is an active ingredient, it has been found that stability over time, in particular, suppression of color change due to change in microstructure is important.
　本発明の課題は、カロテノイドを含む乳化組成物における、経時での硬度の変化、及び色味変化が抑制され、保存安定性に優れる乳化組成物を提供することにある。 An object of the present invention is to provide an emulsified composition having excellent storage stability, in which a change in hardness and a change in color with time are suppressed in an emulsified composition containing a carotenoid.
　本発明者らは上記の課題を解決すべく鋭意研究を行った結果、互いに炭素鎖長の異なる２種以上の高級アルコール、カチオン性界面活性剤、及びカチオン性ポリマーを含む乳化組成物を調製したところ、乳化組成物の経時での硬度安定性が向上し、加えて組成物の色味変化を抑制できることを見出した。本発明はこれらの知見に基づいて完成した。
　本発明は以下の通りである。 As a result of intensive studies to solve the above problems, the present inventors prepared an emulsion composition containing two or more higher alcohols having different carbon chain lengths, a cationic surfactant, and a cationic polymer. However, it has been found that the hardness stability of the emulsified composition over time is improved, and in addition, the color change of the composition can be suppressed. The present invention has been completed based on these findings.
The present invention is as follows.
［１］　カロテノイド、炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコール、カチオン性界面活性剤、及び、カチオン性ポリマーを含有する乳化組成物。
［２］　炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコールが、少なくとも炭素数１８の高級アルコールを含む［１］に記載の乳化組成物。 [1] An emulsified composition containing two or more higher alcohols having different carbon chain lengths selected from carotenoids and higher alcohols having 16 to 22 carbon atoms, a cationic surfactant, and a cationic polymer .
[2] The emulsified composition according to [1], wherein the two or more higher alcohols having different carbon chain lengths selected from higher alcohols having 16 to 22 carbon atoms include at least a higher alcohol having 18 carbon atoms. .
［３］　炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコールの総含有量が、乳化組成物に対して０．１質量％～１５質量％であり、且つ、炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコールの総含有量に対し、炭素数２２の高級アルコールの含有量が６０質量％以下である［１］又は［２］に記載の乳化組成物。
［４］　カロテノイドが、アスタキサンチン、及びリコピンからなる群より選ばれる少なくとも１種である［１］～［３］のいずれか１項に記載の乳化組成物。
［５］　毛髪用である［１］～［４］のいずれか１項に記載の乳化組成物。 [3] The total content of two or more higher alcohols selected from higher alcohols having 16 to 22 carbon atoms and having different carbon chain lengths is 0.1% by mass to 15% by mass with respect to the emulsion composition. %, And the content of the higher alcohol having 22 carbons is higher than the total content of two or more higher alcohols having different carbon chain lengths selected from higher alcohols having 16 to 22 carbon atoms. The emulsified composition according to [1] or [2], which is 60% by mass or less.
[4] The emulsion composition according to any one of [1] to [3], wherein the carotenoid is at least one selected from the group consisting of astaxanthin and lycopene.
[5] The emulsified composition according to any one of [1] to [4], which is for hair.
　本発明によれば、カロテノイドを含む乳化組成物における、経時での硬度の変化、及び色味変化が抑制され、保存安定性に優れる乳化組成物を提供することができる。 According to the present invention, it is possible to provide an emulsified composition that is excellent in storage stability by suppressing changes in hardness and color tone over time in an emulsified composition containing carotenoids.
　本発明の乳化組成物は、カロテノイド（以下、成分（Ａ）と称することがある）、炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコール（以下、高級アルコール（Ｂ）又は成分（Ｂ）と称することがある）、カチオン性界面活性剤（以下、成分（Ｃ）と称することがある）、及び、カチオン性ポリマー（以下、成分（Ｄ）と称することがある）を含有する乳化組成物である。
　乳化組成物は、乳化粒子のサイズにより、透明なゲル状から乳白色まで種々の外観を取り得る。乳化組成物に赤色のカロテノイドを含有させると、乳化粒子のサイズ変化に起因する色相の変化が、カロテノイドを含有しない場合に比較してより顕著になるという問題を本発明者らが見出した。そこで、本発明においては、互いに鎖長の異なる少なくとも２種の高級アルコール、カチオン性界面活性剤、カチオン性ポリマーを乳化組成物に含有させることで、乳化組成物の経時安定性、特に、乳化粒子のサイズ変化に起因する硬度の変化、色相の変化を効果的に抑制した。 The emulsified composition of the present invention comprises two or more higher alcohols having different carbon chain lengths selected from carotenoids (hereinafter sometimes referred to as “component (A)”) and higher alcohols having 16 to 22 carbon atoms. (Hereinafter may be referred to as higher alcohol (B) or component (B)), cationic surfactant (hereinafter also referred to as component (C)), and cationic polymer (hereinafter referred to as component (D) )).
The emulsified composition can have various appearances from transparent gel to milky white depending on the size of the emulsified particles. The present inventors have found a problem that when a red carotenoid is contained in the emulsified composition, a change in hue due to a change in the size of the emulsified particles becomes more significant than when no carotenoid is contained. Therefore, in the present invention, the emulsion composition contains at least two kinds of higher alcohols, cationic surfactants, and cationic polymers having different chain lengths, whereby the stability over time of the emulsion composition, in particular, emulsion particles. The change in the hardness and the change in the hue due to the change in the size were effectively suppressed.
　本発明の作用は明確ではないが、乳化組成物に、比較的長鎖の炭素鎖を有し、互いに炭素鎖長の異なる高級アルコールを２種類以上含むことで、高級アルコール同士の相互作用に起因する結晶化が抑制され、経時での硬度の安定性が良化し、構造変化に起因する色相の変化が効果的に抑制されると考えられる。特に、本発明の好ましい態様においては、少なくとも炭素数１８の高級アルコールを含み、且つ、高級アルコール（Ｂ）の全含有量に対する炭素数２２の高級アルコールの含有量を６０質量％以下とすることにより、乳化組成物の保存安定性がさらに向上すると推定される。 Although the action of the present invention is not clear, the emulsified composition contains two or more types of higher alcohols having relatively long carbon chains and different carbon chain lengths. It is considered that the crystallization is suppressed, the stability of the hardness over time is improved, and the hue change caused by the structural change is effectively suppressed. In particular, in a preferred embodiment of the present invention, the content of the higher alcohol having 22 carbon atoms with respect to the total content of the higher alcohol (B) is 60 mass% or less. It is estimated that the storage stability of the emulsion composition is further improved.
　本明細書において「～」を用いて示された数値範囲は、「～」の前後に記載される数値をそれぞれ最小値及び最大値として含む範囲を示す。
　さらに、本明細書において組成物中の各成分の量は、組成物中に各成分に該当する物質が複数存在する場合、特に断らない限り、組成物中に存在する当該複数の物質の合計量を意味する。
　以下、本発明の実施の形態についてさらに具体的に説明する。 In the present specification, a numerical range indicated by using “to” indicates a range including the numerical values described before and after “to” as the minimum value and the maximum value, respectively.
Further, in the present specification, the amount of each component in the composition is the total amount of the plurality of substances present in the composition unless there is a specific indication when there are a plurality of substances corresponding to each component in the composition. Means.
Hereinafter, embodiments of the present invention will be described more specifically.
［成分（Ａ）：カロテノイド］
　本発明の乳化組成物に使用されるカロテノイドは、天然の抗酸化成分であり、例えば、活性酸素を消去することができ、脂質の所望されない酸化を抑制し得る。 [Component (A): Carotenoid]
The carotenoid used in the emulsified composition of the present invention is a natural antioxidant component and can, for example, eliminate active oxygen and suppress unwanted oxidation of lipids.
　カロテノイドは、黄色から赤の色相を有するテルペノイドの色素である。カロテノイドとしては、植物類、藻類、及びバクテリアに由来するものを、その例として挙げることができる。また、カロテノイドは、天然由来のものに限定されず、常法に従って得られるカロテノイドであれば由来は限定されない。 Carotenoid is a terpenoid pigment having a yellow to red hue. Examples of carotenoids include those derived from plants, algae, and bacteria. In addition, carotenoids are not limited to those derived from nature, and origins are not limited as long as they are carotenoids obtained according to a conventional method.
　本発明におけるカロテノイドとして、具体的には、リコピン、α－カロテン、β－カロテン、γ－カロテン、δ－カロテン、アクチニオエリスロール、ビキシン、カンタキサンチン、カプソルビン、β－８’－アポ－カロテナール、β－１２’－アポ－カロテナール、キサントフィル、及びこれらのヒドロキシ誘導体又はカルボキシ誘導体が挙げられる
　β－８’－アポ－カロテナールは、アポカロテナールと称されることがある。キサントフィルの例としては、アスタキサンチン、フコキサンチン、ルテイン、ゼアキサンチン、カプサンチン、β－クリプトキサンチン、ビオラキサンチン等が挙げられる。
　カロテノイドは、乳化組成物に単独で使用してもよく、２種以上を組み合わせて使用してもよい。
　カロテノイドのなかでも、過酸化脂質の発生抑制の観点から、活性酸素除去効果を有するカロテノイドであることが好ましい。活性酸素除去効果を有するカロテノイドとしては、アスタキサンチン、リコピン、β－カロテン等が好ましく、アスタキサンチン及びリコピンからなる群より選択される少なくとも１つがより好ましく、アスタキサンチンが特に好ましい。 Specific examples of the carotenoid in the present invention include lycopene, α-carotene, β-carotene, γ-carotene, δ-carotene, actinioerythrol, bixin, canthaxanthin, capsorubin, β-8′-apo-carotenal, β-8′-apo-carotenal, which includes β-12′-apo-carotenal, xanthophylls, and hydroxy or carboxy derivatives thereof, is sometimes referred to as apocarotenal. Examples of xanthophylls include astaxanthin, fucoxanthin, lutein, zeaxanthin, capsanthin, β-cryptoxanthin, violaxanthin and the like.
Carotenoids may be used alone or in combination of two or more in the emulsion composition.
Among carotenoids, carotenoids having an effect of removing active oxygen are preferable from the viewpoint of suppressing the generation of lipid peroxide. As the carotenoid having an effect of removing active oxygen, astaxanthin, lycopene, β-carotene and the like are preferable, at least one selected from the group consisting of astaxanthin and lycopene is more preferable, and astaxanthin is particularly preferable.
　アスタキサンチンは、アスタキサンチン及びアスタキサンチンのエステル等の誘導体の少なくとも一方を包含する。本発明では特に断らない限り、アスタキサンチン及びアスタキサンチンの誘導体を総称して「アスタキサンチン」と称する。
　アスタキサンチンは、アスタキサンチンを含有する天然物から分離又は抽出したアスタキサンチン含有オイルとして、本発明の乳化組成物に含まれていてもよい。アスタキサンチンは、更に、この天然物からの分離又は抽出したものを、必要に応じて適宜精製したものを用いてもよく、また、合成品であってもよい。
　アスタキサンチンを乳化組成物に含有させる場合には、エタノールに溶解して乳化組成物に含有させる方法、可溶化剤等により油相に可溶化させて乳化組成物に含有させる方法、アスタキサンチンが溶解するオイルにアスタキサンチンを溶解させた後、水相と合わせて乳化することで乳化組成物に含有させる方法等を適用することができる。 Astaxanthin encompasses at least one of derivatives such as astaxanthin and esters of astaxanthin. In the present invention, astaxanthin and derivatives of astaxanthin are collectively referred to as “astaxanthin” unless otherwise specified.
Astaxanthin may be contained in the emulsified composition of the present invention as an astaxanthin-containing oil separated or extracted from a natural product containing astaxanthin. Astaxanthin may further be a product obtained by appropriately purifying, as necessary, a product separated or extracted from this natural product, or may be a synthetic product.
When astaxanthin is contained in the emulsified composition, a method of dissolving it in ethanol and containing it in the emulsified composition, a method of solubilizing it in the oil phase with a solubilizing agent and the like, and an oil containing astaxanthin dissolved therein After astaxanthin is dissolved in the emulsion, a method of incorporating it into the emulsion composition by emulsification with the aqueous phase can be applied.
　カロテノイドの好適な例であるアスタキサンチンは、植物類、藻類、甲殻類及びバクテリア等のアスタキサンチンを含有する天然物を使用できる。また、その他、常法に従って得られるアスタキサンチンであれば、いずれも使用することができる。
　天然物であるアスタキサンチンとしては、例えば、赤色酵母ファフィア、ヘマトコッカス藻、海洋性細菌、オキアミ等が挙げられる。また、本発明に使用することができるアスタキサンチンとしては、アスタキサンチンを含有する天然物及びその培養物からの抽出物等を挙げることができる。なかでも、本発明に用いうるアスタキサンチンとしては、ヘマトコッカス藻から抽出されるアスタキサンチン、及び、オキアミ由来の色素が、品質又は生産性の点から特に好ましい。ヘマトコッカス藻から抽出されるアスタキサンチンを、以下、ヘマトコッカス藻抽出物ともいう。 As the astaxanthin which is a suitable example of a carotenoid, natural products containing astaxanthin such as plants, algae, crustaceans and bacteria can be used. In addition, any astaxanthin obtained according to a conventional method can be used.
Examples of natural astaxanthin include red yeast faffia, hematococcus algae, marine bacteria, and krill. Examples of astaxanthin that can be used in the present invention include natural products containing astaxanthin and extracts from cultures thereof. Among them, astaxanthin that can be used in the present invention, astaxanthin extracted from Haematococcus algae and a pigment derived from krill are particularly preferable from the viewpoint of quality or productivity. Hereinafter, astaxanthin extracted from Haematococcus alga is also referred to as Haematococcus alga extract.
　アスタキサンチンとしては、広く市販されているヘマトコッカス藻抽出物、又は、オキアミ抽出物を用いてもよい。ヘマトコッカス藻抽出物としては、例えば、武田紙器（株）製のＡＳＴＯＴＳ－Ｓ、ＡＳＴＯＴＳ－ＳＴ、ＡＳＴＯＴＳ－２．５　Ｏ、ＡＳＴＯＴＳ－５　Ｏ、ＡＳＴＯＴＳ－１０　Ｏ等、富士化学工業（株）製のアスタリールオイル５０Ｆ、アスタリールオイル５Ｆ等、東洋酵素化学（株）製のＢｉｏＡｓｔｉｎ　ＳＣＥ７等として入手できる。オキアミ抽出物としては、イタノ冷凍株式会社製のアスタックスＳＴ等が入手できる。 As astaxanthin, a widely marketed Haematococcus alga extract or krill extract may be used. Examples of hematococcus algae extracts include ASTOTS-S, ASTOTS-ST, ASTOTS-2.5 O, ASTOTS-5 O, ASTOTS-10 O, etc., manufactured by Takeda Paper Instruments Co., Ltd., Fuji Chemical Industry Co., Ltd. Asteryl Oil 50F, Asteryl Oil 5F, etc., such as BioAsin SCE7 manufactured by Toyo Enzyme Chemical Co., Ltd. are available. As a krill extract, Astax ST Co., Ltd. manufactured by Itano Frozen Co., Ltd. can be obtained.
　本発明に使用できるヘマトコッカス藻抽出物又はオキアミ抽出物中のアスタキサチンの色素純分としての含有量は、組成物製造時の取り扱いの観点から、好ましくは０．００１質量％～５０質量％が好ましく、より好ましくは０．０１質量％～２５質量％である。 The content of astaxanthin as a pure pigment content in the Haematococcus alga extract or krill extract that can be used in the present invention is preferably 0.001% by mass to 50% by mass from the viewpoint of handling during production of the composition. More preferably, the content is 0.01% by mass to 25% by mass.
　カロテノイドの乳化組成物における含有量としては、カロテノイドの含有に期待される効果を得る観点から、０．０００００１質量％～０．０１質量％が好ましく、０．００００１質量％～０．００７５質量％がより好ましく、０．０００１質量％～０．００５質量％が更に好ましい。０．０００００１質量％以上であれば、活性酸素除去効果を充分に得られる傾向があり、０．０１質量％以下であれば、使用時の外観が良好となる。 The content of the carotenoid in the emulsified composition is preferably 0.000001% by mass to 0.01% by mass, and preferably 0.00001% by mass to 0.0075% by mass from the viewpoint of obtaining the expected effect of the carotenoid content. More preferred is 0.0001% by mass to 0.005% by mass. If it is 0.000001 mass% or more, the active oxygen removal effect tends to be sufficiently obtained, and if it is 0.01 mass% or less, the appearance at the time of use becomes good.
［成分（Ｂ）：炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコール］
　本発明において「高級アルコール」とは、炭素数１６～２２のアルキル鎖長を有するアルコールを指す。ここでアルキル基は、分岐を有するものであってもよいが、直鎖状であることが乳化組成物の保存安定性がより向上するため好ましい。
　本発明に使用される高級アルコールの例を挙げる。慣用名があるものは併記する。
　具体的には、例えば、以下に示す化合物が挙げられる。
　ヘキサデカノール、アルキル鎖の炭素数１６、慣用名：セチルアルコール又はセタノール、
　ヘプタデカノール、アルキル鎖の炭素数１７、
　オクタデカノール、アルキル鎖の炭素数１８、ステアリルアルコール、
　ノナデカノール、アルキル鎖の炭素数１９、
　イコサノール、アルキル鎖の炭素数２０：アラキルアルコール、
　ヘンイコサノール、アルキル鎖の炭素数２１、
　ドコサノール、アルキル鎖の炭素数２２：ベヘニルアルコール等。
　これらの中から、互いに炭素鎖長の異なるアルキル基を有するアルコールを２種以上選択して使用することができる。２種以上の高級アルコールの組み合わせ及び組み合わせて用いられる高級アルコールの全高級アルコール（Ｂ）に対するそれぞれの含有比率は、適宜選択して使用することができる。
　これらのなかでも、高級アルコールとしては、好ましくは、ヘキサデカノール、オクタデカノール、及びドコサノールが挙げられ、これらの中から２種又は３種を選択して用いる態様が好ましい。 [Component (B): Two or more higher alcohols having different carbon chain lengths selected from higher alcohols having 16 to 22 carbon atoms]
In the present invention, “higher alcohol” refers to an alcohol having an alkyl chain length of 16 to 22 carbon atoms. Here, the alkyl group may be branched, but is preferably linear because the storage stability of the emulsion composition is further improved.
The example of the higher alcohol used for this invention is given. Those with common names are also listed.
Specific examples include the following compounds.
Hexadecanol, alkyl chain carbon number 16, common name: cetyl alcohol or cetanol,
Heptadecanol, 17 carbon atoms in the alkyl chain,
Octadecanol, alkyl chain carbon number 18, stearyl alcohol,
Nonadecanol, carbon number 19 of alkyl chain,
Icosanol, carbon number of alkyl chain 20: aralkyl alcohol,
Heikosanol, alkyl chain carbon number 21,
Docosanol, alkyl chain carbon number 22: behenyl alcohol and the like.
Among these, two or more alcohols having alkyl groups having different carbon chain lengths can be selected and used. A combination of two or more higher alcohols and the content ratio of the higher alcohol used in combination to the total higher alcohol (B) can be appropriately selected and used.
Among these, higher alcohols preferably include hexadecanol, octadecanol, and docosanol, and an embodiment in which two or three of them are selected and used is preferable.
　高級アルコールとしては、互いに炭素鎖長の異なる２種以上の高級アルコールとして、炭素数１８の高級アルコールを少なくとも１種含むことが好ましい。
　また、炭素数２２の高級アルコールを含むことも好ましい態様であるが、炭素数２２の高級アルコールの含有量は、乳化組成物に含まれる高級アルコールの全量に対して６０質量％以下であることが好ましい。さらに好ましくは、１．０質量％以上、５０質量％以下であり、２．０質量％以上、３０質量％以下であることがより好ましい。 The higher alcohol preferably contains at least one higher alcohol having 18 carbon atoms as two or more higher alcohols having different carbon chain lengths.
Moreover, although it is also a preferable aspect to contain a C22 higher alcohol, it is preferable that content of a C22 higher alcohol is 60 mass% or less with respect to the whole quantity of the higher alcohol contained in an emulsion composition. preferable. More preferably, they are 1.0 mass% or more and 50 mass% or less, and it is more preferable that they are 2.0 mass% or more and 30 mass% or less.
　本発明における互いに炭素鎖長の異なる２種以上の高級アルコールの組み合わせとしては、より具体的には、以下に示す組み合わせが挙げられる。なお、以下に示す含有量は、乳化組成物に含まれる高級アルコールの総含有量に対する含有比率である。
　２種以上の高級アルコールの組み合わせとして、炭素数２２の高級アルコールと炭素数１８の高級アルコールとの２種が含まれることが好ましい。
　例えば、炭素数２２の高級アルコールを６０質量％以下、炭素数１８の高級アルコールを１０質量％以上７０質量％以下、炭素数１６の高級アルコールを１００質量％未満含む組み合わせが挙げられる。
　また、さらに好ましい組み合わせとしては、炭素数２２の高級アルコールを、５０質量％以下、炭素数１８の高級アルコール１０質量％以上７０質量％以下、炭素数１６の高級アルコールを６０質量％未満含む組み合わせである。
　互いに炭素鎖長の異なる２種以上の高級アルコールを、この組み合わせと含有量で含むことで、高級アルコール同士の混晶による不安定構造をより効果的に抑制することができる。 More specifically, examples of the combination of two or more higher alcohols having different carbon chain lengths in the present invention include the following combinations. In addition, content shown below is a content ratio with respect to the total content of the higher alcohol contained in an emulsion composition.
As a combination of two or more kinds of higher alcohols, two kinds of higher alcohols having 22 carbon atoms and higher alcohols having 18 carbon atoms are preferably included.
For example, a combination containing 60 mass% or less of a higher alcohol having 22 carbon atoms, 10 mass% or more and 70 mass% or less of a higher alcohol having 18 carbon atoms, and less than 100 mass% of a higher alcohol having 16 carbon atoms.
Further, as a more preferable combination, a combination containing a higher alcohol having 22 carbon atoms, 50 mass% or less, a higher alcohol having 18 carbon atoms, 10 mass% or more and 70 mass% or less, and a higher alcohol having 16 carbon atoms, less than 60 mass%. is there.
By including two or more higher alcohols having different carbon chain lengths in this combination and content, an unstable structure due to a mixed crystal of higher alcohols can be more effectively suppressed.
　本発明において高級アルコール（Ｂ）の含有量は、２種以上の高級アルコールの総量として、乳化組成物全量に対して、好ましくは０．１質量％～１５質量％の範囲であり、さらに好ましくは２質量％～１５質量％の範囲である。乳化組成物中の成分（Ｂ）の総含有量が上記範囲において、本発明の効果がより優れたものとなる。 In the present invention, the content of the higher alcohol (B) is preferably in the range of 0.1% by mass to 15% by mass, more preferably the total amount of the two or more higher alcohols, with respect to the total amount of the emulsified composition. The range is from 2% by mass to 15% by mass. When the total content of the component (B) in the emulsified composition is in the above range, the effect of the present invention is more excellent.
［成分（Ｃ）：カチオン性界面活性剤］
　本発明の乳化組成物は、カチオン性界面活性剤を含有する。カチオン性界面活性剤を含有することで乳化組成物は経時による硬度安定性に優れる。
　カチオン性界面活性剤としては、公知のものを適宜使用しうる。本発明に用いうるカチオン性界面活性剤としては、具体的には、例えば、塩化ステアリルトリメチルアンモニウム、塩化ラウリルトリメチルアンモニウム等のアルキルトリメチルアンモニウム塩、塩化セチルピリジニウム等のアルキルピリジニウム塩、塩化ジステアリルジメチルアンモニウム等のジアルキルジメチルアンモニウム塩、塩化ポリ（Ｎ，Ｎ’－ジメチル－３，５－メチレンピペリジニウム）、モノアルキル四級アンモニウム塩、ジアルキル四級アンモニウム塩、アルキルジメチルベンジルアンモニウム塩、アルキルイソキノリニウム塩、ジアルキルモリホニウム塩、ポリオキシエチレン－アルキルアミン等のアルキルアミン塩、ポリアミン脂肪酸誘導体、アミルアルコール脂肪酸誘導体、塩化ベンザルコニウム、塩化ベンゼトニウム等が挙げられる。 [Component (C): Cationic surfactant]
The emulsified composition of the present invention contains a cationic surfactant. By containing the cationic surfactant, the emulsion composition is excellent in hardness stability over time.
Known cationic surfactants can be used as appropriate. Specific examples of the cationic surfactant that can be used in the present invention include alkyltrimethylammonium salts such as stearyltrimethylammonium chloride and lauryltrimethylammonium chloride, alkylpyridinium salts such as cetylpyridinium chloride, and distearyldimethylammonium chloride. Dialkyldimethylammonium salts such as poly (N, N′-dimethyl-3,5-methylenepiperidinium), monoalkyl quaternary ammonium salts, dialkyl quaternary ammonium salts, alkyldimethylbenzylammonium salts, alkylisoquinolides Nium salts, dialkyl morphonium salts, alkylamine salts such as polyoxyethylene-alkylamines, polyamine fatty acid derivatives, amyl alcohol fatty acid derivatives, benzalkonium chloride, benzethonium chloride Or the like.
　なかでも、ジアルキル四級アンモニウム塩、モノアルキル四級アンモニウム塩が挙げられ、ジアルキル四級アンモニウム塩としては、塩化ジココジモニウムクロリドが好ましいものとして挙げられ、モノアルキル四級アンモニウム塩としては、塩化アルキルトリメチルアンモニウムが好ましいものとして挙げられる。より具体的には、塩化ベヘニルトリメチルアンモニウム、塩化ラウリルトリメチルアンモニウム、塩化ステアリルトリメチルアンモニウムが好ましいものとして挙げられ、塩化ステアリルトリメチルアンモニウム等がより好ましい。 Among them, dialkyl quaternary ammonium salts and monoalkyl quaternary ammonium salts are exemplified. Dialkyl quaternary ammonium salts include preferred dicoco dimonium chlorides. Monoalkyl quaternary ammonium salts include alkyl chlorides. Preferred is trimethylammonium. More specifically, behenyl trimethyl ammonium chloride, lauryl trimethyl ammonium chloride, and stearyl trimethyl ammonium chloride are preferable, and stearyl trimethyl ammonium chloride and the like are more preferable.
　本発明の乳化組成物に対するカチオン性界面活性剤の含有量は、乳化組成物全量に対して０．３質量％～５．０質量％が好ましく、０．５質量％～３．０質量％がより好ましい。
　カチオン性界面活性剤の含有量を上記範囲に設定することで、乳化組成物の安定性が好適に維持され、使用感が良好となり、皮膚刺激の問題も生じ難いため、好ましい。 The content of the cationic surfactant in the emulsion composition of the present invention is preferably 0.3% by mass to 5.0% by mass, and 0.5% by mass to 3.0% by mass with respect to the total amount of the emulsion composition. More preferred.
Setting the content of the cationic surfactant within the above range is preferable because the stability of the emulsion composition is suitably maintained, the feeling of use becomes good, and the problem of skin irritation hardly occurs.
［成分（Ｄ）：カチオン性ポリマー］
　本発明の乳化組成物は、カチオン性ポリマーを含有する。カチオン性ポリマーを含有することで、乳化組成物におけるα－ゲルの状態の安定性が良好となり、経時による硬度安定性、色相安定性に優れる。 [Component (D): Cationic polymer]
The emulsion composition of the present invention contains a cationic polymer. By containing the cationic polymer, the stability of the α-gel state in the emulsion composition is improved, and the hardness stability and hue stability with time are excellent.
　カチオン性ポリマーとしては、公知の化合物を適宜使用することができる。なかでも、水溶性のカチオン性ポリマーが好ましく、例えば、メチルセルロース、エチルセルロース、ヒドロキシエチルセルロース、ヒドロキシプロピルセルロース、カルボキシメチルセルロース等のセルロース系ポリマー或いは水溶性のアクリル酸系ポリマー等をカチオン変性した化合物、グアーガム等の多糖類をカチオン変性した化合物等が挙げられる。 As the cationic polymer, known compounds can be used as appropriate. Among these, water-soluble cationic polymers are preferable, for example, cellulose polymers such as methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, or compounds obtained by cationically modifying water-soluble acrylic acid polymers, such as guar gum Examples thereof include compounds obtained by cationically modifying polysaccharides.
　本発明に使用しうるカチオン性ポリマーとしては、より具体的には、例えば、ポリクオタニウム－１０等のカチオン化セルロース、ポリクオタニウム－７等のジアリルジメチルアンモニウムクロリド・アクリルアミド共重合体、ポリクオタニウム－２２等のアクリル酸・ジアリルジメチルアンモニウムクロリド共重合体、ポリクオタニウム－３９等のアクリル酸・ジアリルジメチルアンモニウムクロリド・アクリルアミド共重合体、アクリル酸・カチオン化メタアクリル酸エステル共重合体、アクリル酸・カチオン化メタアクリル酸アミド共重合体、ポリクオタニウム－４７等のアクリル酸・アクリル酸メチル・塩化メタクリルアミドプロピルトリメチルアンモニウム共重合体、塩化メタクリル酸コリンエステル重合体；カチオン化オリゴ糖、カチオン化デキストラン、グアーヒドロキシプロピルトリモニウムクロリド等のカチオン化多糖類；ポリエチレンイミン；カチオンポリマー；ポリクオタニウム－５１等の２－メタクリロイルオキシエチルホスホリルコリンの重合体及びメタクリル酸ブチル共重合体等との共重合体等が挙げられる。
　なかでも、好ましくは、ポリクオタニウム－１０等のカチオン化セルロース、ポリクオタニウム－７等のジアリルジメチルアンモニウムクロリド／アクリルアミド共重合体、ポリクオタニウム－２２等のアクリル酸／ジアリルジメチルアンモニウムクロリド共重合体等が挙げられる。 More specifically, examples of the cationic polymer that can be used in the present invention include cationized cellulose such as polyquaternium-10, diallyldimethylammonium chloride / acrylamide copolymer such as polyquaternium-7, and acrylic such as polyquaternium-22. Acid / diallyldimethylammonium chloride copolymer, acrylic acid / diallyldimethylammonium chloride / acrylamide copolymer such as polyquaternium-39, acrylic acid / cationized methacrylic acid ester copolymer, acrylic acid / cationized methacrylic acid amide Copolymer, acrylic acid / methyl acrylate / methacrylamidopropyltrimethylammonium chloride copolymer such as polyquaternium-47, methacrylic acid choline ester polymer; cationized oligosaccharide Cationized polysaccharides such as cationized dextran and guar hydroxypropyltrimonium chloride; polyethyleneimine; cationic polymers; 2-methacryloyloxyethyl phosphorylcholine polymers such as polyquaternium-51 and copolymers with butyl methacrylate copolymers, etc. Etc.
Among these, cationized cellulose such as polyquaternium-10, diallyldimethylammonium chloride / acrylamide copolymer such as polyquaternium-7, and acrylic acid / diallyldimethylammonium chloride copolymer such as polyquaternium-22 are preferable.
　本発明の乳化組成物に対するカチオン性ポリマーの含有量は、乳化組成物全量に対して０．０１質量％～３．０質量％が好ましく、より好ましくは０．０５質量％～１．０質量％の範囲である。
　カチオン性ポリマーの含有量を上記範囲に設定することで、乳化組成物の使用感が良好となり、例えば、毛髪に使用した場合にもごわつき等が生じ難くなるため、好ましい。 The content of the cationic polymer in the emulsion composition of the present invention is preferably 0.01% by mass to 3.0% by mass, and more preferably 0.05% by mass to 1.0% by mass with respect to the total amount of the emulsion composition. Range.
By setting the content of the cationic polymer in the above range, the feeling of use of the emulsified composition is improved, and for example, when used on hair, it is difficult to cause stiffness and the like, which is preferable.
　本発明の乳化組成物は、上記、成分（Ａ）、成分（Ｂ）、成分（Ｃ）、及び成分（Ｄ）の必須成分に加え、本発明の効果を損なわない範囲において、種々の化合物を併用することができる。
　例えば、本発明の乳化組成物を毛髪化粧料に使用する場合には、トリートメント剤を含むことができる。トリートメント剤としては特に限定することはないが、シリコーン、加水分解タンパク質、既述の成分（Ｂ）である高級アルコールとは異なる油分から選択される１種以上のものを使用することができる。 The emulsified composition of the present invention contains various compounds in addition to the essential components of the above component (A), component (B), component (C), and component (D), as long as the effects of the present invention are not impaired. Can be used together.
For example, when the emulsified composition of the present invention is used for hair cosmetics, it can contain a treatment agent. Although it does not specifically limit as a treatment agent, One or more sorts selected from silicone, hydrolyzed protein, and oil content different from higher alcohol which is the above-mentioned ingredient (B) can be used.
　油分としては、一般に化粧品に用いられているものの中から安定性を損なわない範囲で選択することができる。望ましい油分としては、例えば、炭化水素油、エステル油等の極性油、シリコーン油、常温で液状の液体油等が挙げられる。
　炭化水素油としては、例えば、流動パラフィン、スクワラン、スクワレン、パラフィン、イソパラフィン、セレシン等が挙げられる。 The oil can be selected from those generally used in cosmetics as long as the stability is not impaired. Examples of desirable oils include polar oils such as hydrocarbon oils and ester oils, silicone oils, and liquid oils that are liquid at room temperature.
Examples of the hydrocarbon oil include liquid paraffin, squalane, squalene, paraffin, isoparaffin, ceresin and the like.
　シリコーン油としては、例えば、ジメチルポリシロキサン、メチルフェニルポリシロキサン、メチルハイドロジェンポリシロキサン等の鎖状シリコーン、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等の環状シリコーン等が挙げられる。
　また、シリコーン油には包含されないが、３次元網目構造を形成しているシリコ－ン樹脂或いはシリコーンゴム等、比較的高分子量のシリコーン化合物をシリコーン油に溶解或いは分散させてトリートメント剤として使用してもよい。 Examples of the silicone oil include chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, and cyclic silicones such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane. Can be mentioned.
Although not included in silicone oil, a relatively high molecular weight silicone compound such as silicone resin or silicone rubber forming a three-dimensional network structure is dissolved or dispersed in silicone oil and used as a treatment agent. Also good.
　エステル油等の極性油としては、例えば、テトラエチルヘキサン酸ペンタエリスリチル、エチルヘキサン酸セチル、ホホバ油、ラウロイルグルタミン酸ジ（フィトステリル／オクチルドデシル）、トリイソステアリン、ジイソステアリン酸グリセリル、トリエチルヘキサノイン、ダイマージリノール酸（フィトステリル／ベヘニル）、ダイマージリノール酸（フィトステリル／イソステアリル／セチル／ステアリル／ベヘニル）、パルミチン酸イソプロピル、マカデミアナッツ脂肪酸フィトステリル、テトラ（ベヘン酸／安息香酸／エチルヘキサン酸）ペンタエリスリチル、パルミチン酸エチルヘキシル、ミリスチン酸ミリスチル、ジピバリン酸トリプロピレングリコール等が使用できる。 Examples of polar oils such as ester oils include pentaerythrityl tetraethylhexanoate, cetyl ethylhexanoate, jojoba oil, dilauroyl glutamate (phytosteryl / octyldodecyl), triisostearin, glyceryl diisostearate, triethylhexanoin, dimerlinol Acid (phytosteryl / behenyl), dimer linoleic acid (phytosteryl / isostearyl / cetyl / stearyl / behenyl), isopropyl palmitate, macadamia nut fatty acid phytosteryl, tetra (behenic acid / benzoic acid / ethylhexanoic acid) pentaerythrityl, palmitic acid Ethylhexyl, myristyl myristate, tripropylene glycol dipivalate, etc. can be used.
　液体油としては、例えば、アマニ油、ツバキ油、マカデミアナッツ油、トウモロコシ油、ミンク油、オリーブ油、アボカド油、サザンカ油、ヒマシ油、サフラワー油、ヒマワリ油、アルモンド油、ナタネ油、ゴマ油、大豆油、落花生油、トリグリセリン、トリオクタン酸グリセリン、トリイソパルミチン酸グリセリン等が挙げられる。 Examples of liquid oil include linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, sunflower oil, almond oil, rapeseed oil, sesame oil, soybean oil , Peanut oil, triglycerin, glycerin trioctanoate, glycerin triisopalmitate and the like.
　本発明の乳化組成物に上記トリートメント剤としての油分を用いる場合には、１種のみを用いてもよく、２種以上を用いてもよい。
　乳化組成物における油分の含有量は、本発明の効果を損なわない限り、特に限定されないが、乳化組成物全量に対し５質量％～３０質量％程度であることが好ましい。油分の含有量が５質量％以上であることで、トリートメント剤添加の効果が充分に得られ、３０質量％以下であることで、添加による不安定化の懸念がなく、使用感も良好となる。 When using the oil as the treatment agent in the emulsion composition of the present invention, only one type may be used, or two or more types may be used.
The oil content in the emulsified composition is not particularly limited as long as the effects of the present invention are not impaired, but is preferably about 5% by mass to 30% by mass with respect to the total amount of the emulsified composition. When the oil content is 5% by mass or more, the effect of the treatment agent addition is sufficiently obtained, and when it is 30% by mass or less, there is no fear of destabilization due to the addition, and the feeling of use is also improved. .
　本発明の乳化組成物には、必要に応じて、一般に乳化組成物に常用されている各種有効成分、例えば、真珠光沢材料、防腐剤、酸化防止剤、色素剤、増粘剤、又はｐＨ調整剤から選択される１種以上のものを使用することができる。
　本発明の乳化組成物を毛髪用に使用する場合には、染毛剤、芳香剤、抗菌剤、柔軟剤、保湿剤、紫外線吸収剤、活性酸素除去剤、抗酸化剤、抗微生物剤、育毛剤、ミネラル、アミノ酸類等から選択される１種以上のものを使用することができる。 In the emulsion composition of the present invention, various active ingredients commonly used in emulsion compositions, for example, pearl luster materials, preservatives, antioxidants, pigments, thickeners, or pH adjustments are used as necessary. One or more selected from agents can be used.
When the emulsified composition of the present invention is used for hair, a hair dye, fragrance, antibacterial agent, softener, moisturizer, ultraviolet absorber, active oxygen remover, antioxidant, antimicrobial agent, hair growth One or more selected from agents, minerals, amino acids and the like can be used.
　本発明で用いることができる真珠光沢材料の具体例を列挙するが、本発明においてはこれらの化合物に限定されない。
　真珠光沢材料としては、例えば、ジステアリン酸エチレングリコール、モノステアリン酸エチレングリコール、グアニン及び二酸化チタンを被覆した雲母、オキシ塩化ビスマス、及びステアリン酸モノエタノールアミド等が挙げられる。 Although the specific example of the pearl luster material which can be used by this invention is enumerated, in this invention, it is not limited to these compounds.
Examples of the pearlescent material include methylene coated with ethylene glycol distearate, ethylene glycol monostearate, guanine and titanium dioxide, bismuth oxychloride, and monoethanolamide stearate.
　本発明で用いることができる防腐剤の具体例を列挙するが、本発明においてはこれらの化合物に限定されない。
　防腐剤としては、例えば、安息香酸、安息香酸ナトリウム、パラベン、エチルパラベン、メチルパラベン、プロピルパラベン、ブチルパラベン、ソルビン酸カリウム、ソルビン酸ナトリウム、ソルビン酸、デヒドロ酢酸ナトリウム、過酸化水素、ギ酸、ギ酸エチル、ジ亜塩素酸ナトリウム、プロピオン酸、プロピオン酸ナトリウム、プロピオン酸カルシウム、ペクチン分解物、ポリリジン、フェノール、イソプロピルメチルフェノール、オルトフェニルフェノール、フェノキシエタノール、レゾルシン、ジブチルヒドロキシトルエン（ＢＨＴ）、チモール、チラム、ティートリー油、ヒノキチオール、グリセリン、ジプロピレングリコール、１，３－ブチレングリコール、１，４－ブチレングリコール、１，２ペンタンジオール、２－メチル－２，４ペンタンジオール等が挙げられる。 Although the specific example of the preservative which can be used by this invention is enumerated, in this invention, it is not limited to these compounds.
Examples of preservatives include benzoic acid, sodium benzoate, paraben, ethyl paraben, methyl paraben, propyl paraben, butyl paraben, potassium sorbate, sodium sorbate, sorbic acid, sodium dehydroacetate, hydrogen peroxide, formic acid, ethyl formate. , Sodium dichlorite, propionic acid, sodium propionate, calcium propionate, pectin degradation product, polylysine, phenol, isopropylmethylphenol, orthophenylphenol, phenoxyethanol, resorcin, dibutylhydroxytoluene (BHT), thymol, thiram, tea tree Oil, hinokitiol, glycerin, dipropylene glycol, 1,3-butylene glycol, 1,4-butylene glycol, 1,2 pentanediol, 2-methyl 2,4-pentanediol, and the like.
　本発明で用いることができる酸化防止剤の具体例を列挙するが、本発明においてはこれらの化合物に限定されない。
　酸化防止剤としては、例えば、ビタミンＡ、レチノイン酸、レチノール、酢酸レチノール、パルミチン酸レチノール、レチニルアセテート、レチニルパルミテート、レチノイン酸トコフェリル、ビタミンＣ及びその誘導体、カイネチン、トレチノイン、ビタミンＥ、α－リポ酸、コエンザイムＱ１０、ポリフェノール、スーパーオキサイドディスムターゼ（ＳＯＤ）、フィチン酸等が挙げられる。 Although the specific example of the antioxidant which can be used by this invention is enumerated, in this invention, it is not limited to these compounds.
Antioxidants include, for example, vitamin A, retinoic acid, retinol, retinol acetate, retinol palmitate, retinyl acetate, retinyl palmitate, tocopheryl retinoic acid, vitamin C and its derivatives, kinetin, tretinoin, vitamin E, α -Lipoic acid, coenzyme Q10, polyphenols, superoxide dismutase (SOD), phytic acid and the like.
　本発明で用いることができる色素剤の具体例を列挙するが、本発明においてはこれらの化合物に限定されない。色素剤としては、例えば、オレンジ色素、カカオ色素、カオリン、カルミン、グンジョウ、コチニール色素、酸化クロム、酸化鉄、二酸化チタン、タール色素、クロロフィル等が挙げられる。 Specific examples of the coloring agent that can be used in the present invention are listed, but the present invention is not limited to these compounds. Examples of the coloring agent include orange dye, cacao dye, kaolin, carmine, gunjo, cochineal dye, chromium oxide, iron oxide, titanium dioxide, tar dye, chlorophyll and the like.
　本発明で用いることができる増粘剤の具体例を列挙するが、本発明においてはこれらの化合物に限定されない。
　増粘剤としては、例えば、クインスシード、カラギーナン、アラビアガム、カラヤガム、キサンタンガム、ジェランガム、タマリンドガム、ローカストビーンガム、トラガントガム、ペクチン、デンプン、シクロデキストリン、メチルセルロース、エチルセルロース、カルボキシメチルセルロース、アルギン酸ナトリウム、ポリビニルアルコール、ポリビニルピロリドン、カルボキシビニルポリマー、ポリアクリル酸ナトリウム等が挙げられる。 Although the specific example of the thickener which can be used by this invention is enumerated, in this invention, it is not limited to these compounds.
Examples of the thickener include quince seed, carrageenan, gum arabic, caraya gum, xanthan gum, gellan gum, tamarind gum, locust bean gum, tragacanth gum, pectin, starch, cyclodextrin, methylcellulose, ethylcellulose, carboxymethylcellulose, sodium alginate, polyvinyl alcohol , Polyvinylpyrrolidone, carboxyvinyl polymer, sodium polyacrylate and the like.
　本発明で用いることができるｐＨ調整剤としては、例えば、乳酸、クエン酸、グリコール酸、コハク酸、酒石酸、リンゴ酸、炭酸カリウム、トリエタノールアミン、モノエタノールアミン等の有機酸又はその塩、塩酸、過塩素酸、炭酸、リン酸等の無機酸とその塩、炭酸水素ナトリウム、炭酸水素アンモニウム、水酸化ナトリウム、水酸化カリウム等を挙げることができる。本発明に使用しうるｐＨ調整剤は、これらの化合物に限定されず、目的に応じて公知のｐＨ調整剤を適宜選択して使用すればよい。 Examples of the pH adjuster that can be used in the present invention include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, malic acid, potassium carbonate, triethanolamine, monoethanolamine, and other organic acids or salts thereof, hydrochloric acid Inorganic acids such as perchloric acid, carbonic acid and phosphoric acid and salts thereof, sodium hydrogen carbonate, ammonium hydrogen carbonate, sodium hydroxide, potassium hydroxide and the like can be mentioned. The pH adjuster that can be used in the present invention is not limited to these compounds, and a known pH adjuster may be appropriately selected and used according to the purpose.
　本発明の乳化組成物が毛髪用である場合に使用しうる各種有効成分としては、以下に示す成分を挙げることができる。
　染毛剤としては、例えば、橙２０５号、黒４０１号、紫４０１号、赤１０２号、赤２２７号、赤１０６号、赤５０４号、黄２０３号、黄４０３（１）、緑２０４号、カーボンブラック、黒酸化チタン、ヘナ、酸化鉄、タール色素、クロロフィル、顔料等が挙げられる。 Examples of various active ingredients that can be used when the emulsified composition of the present invention is for hair include the following ingredients.
Examples of the hair dye include orange 205, black 401, purple 401, red 102, red 227, red 106, red 504, yellow 203, yellow 403 (1), green 204, Examples thereof include carbon black, black titanium oxide, henna, iron oxide, tar dye, chlorophyll, and pigment.
　芳香剤としては、例えば、ジャコウ、アカシア油、アニス油、イランイラン油、シナモン油、ジャスミン油、スウィートオレンジ油、スペアミント油、ゼラニウム油、タイム油、ネロリ油、ハッカ油、ヒノキ油、フェンネル油、ペパーミント油、ベルガモット油、ライム油、ラベンダー油、レモン油、レモングラス油、ローズ油、ローズウッド油、アニスアルデヒド、ゲラニオール、シトラール、シベトン、ムスコン、リモネン、バニリン等が挙げられる。 Examples of fragrances include musk, acacia oil, anise oil, ylang ylang oil, cinnamon oil, jasmine oil, sweet orange oil, spearmint oil, geranium oil, thyme oil, neroli oil, mint oil, hinoki oil, fennel oil, Peppermint oil, bergamot oil, lime oil, lavender oil, lemon oil, lemongrass oil, rose oil, rosewood oil, anisaldehyde, geraniol, citral, civeton, muscone, limonene, vanillin and the like.
　抗菌剤としては、例えば、ピロクトンオラミン、イソプロピルメチルエーテル、ヒノキチオール、ジンクピリチオン、クリンバゾール、塩化ベンザルコニウム、感光色素１０１号、クロルヘキシジン、サリチル酸、フェノール、ケトコナゾール及びミコナゾール、イオウ、トリクロサン、トリクロロカルバニリド、クロルヘキシジン塩酸塩、クロルヘキシジングルコン酸塩、ハロカルバン、クロロフェネシン、塩化ベンゼトニウム、塩化ベンザルコニウム、塩化リゾチーム、塩酸アルキルジアミノエチルグリシン、イソプロピルメチルフェノール、安息香酸、感光素２０１号、チモール、ヘキサクロロフェン、ベルベリン、チオキソロン、ユキノシタエキス、オウバクエキス、オウゴンエキスとそれらの誘導体及び塩等を挙げることができる。 Antibacterial agents include, for example, piroctone olamine, isopropyl methyl ether, hinokitiol, zinc pyrithione, climbazole, benzalkonium chloride, photosensitive dye 101, chlorhexidine, salicylic acid, phenol, ketoconazole and miconazole, sulfur, triclosan, trichlorocarbanilide. , Chlorhexidine hydrochloride, Chlorhexidine gluconate, Halocarban, Chlorophenesin, Benzethonium chloride, Benzalkonium chloride, Lysozyme chloride, Alkyldiaminoethylglycine hydrochloride, Isopropylmethylphenol, Benzoic acid, Photosensitizer 201, Thymol, Hexachlorophene , Berberine, thioxolone, Yukinoshita extract, Oat extract, Ogon extract and their derivatives and salts. .
　柔軟剤としては、例えば、グリセリン、ミネラルオイル、ベンジルアルコール、エモリエント成分（例えば、イソステアリン酸イソプロピル、イソステアリン酸ポリグリセリル、イソノナン酸イソトリデシル、イソノナン酸オクチル、オレイン酸、オレイン酸グリセリル、カカオ脂、コレステロール、混合脂肪酸トリグリセリド、コハク酸ジオクチル、酢酸ステアリン酸スクロース、シクロペンタシロキサン、ジステアリン酸スクロース、パルミチン酸オクチル、ヒドロキシステアリン酸オクチル、ベヘン酸アラキル、ポリベヘン酸スクロース、ポリメチルシルセスキオキサン、ミリスチン酸セチル、ミリスチン酸ミリスチル、ラウリン酸ヘキシル等）等を挙げることができる。 Examples of softeners include glycerin, mineral oil, benzyl alcohol, emollient components (eg, isopropyl isostearate, polyglyceryl isostearate, isotridecyl isononanoate, octyl isononanoate, oleic acid, glyceryl oleate, cocoa butter, cholesterol, mixed fatty acids Triglycerides, dioctyl succinate, sucrose acetate stearate, cyclopentasiloxane, sucrose distearate, octyl palmitate, octyl hydroxystearate, aralkyl behenate, sucrose polybehenate, polymethylsilsesquioxane, cetyl myristate, myristyl myristate Hexyl laurate, etc.).
　保湿剤としては、例えば、カンテン、ジグリセリン、ジステアリルジモニウムヘクトライト、ブチレングリコール、ポリエチレングリコール、プロピレングリコール、へキシレングリコール、ヨクイニンエキス、ワセリン、尿素、ヒアルロン酸、セラミド、リピジュア、イソフラボン、アミノ酸、コラーゲン、ムコ多糖、フコダイン、ラクトフェリン、ソルビトール、キチン・キトサン、リンゴ酸、グルクロン酸、プラセンタエキス、海藻エキス、ボタンピエキス、アマチャエキス、オトギリソウエキス、コレウスエキス、マサキ抽出物、コウカエキス、マイカイ花エキス、チョレイエキス、サンザシエキス、ローズマリーエキス、デュークエキス、カミツレエキス、オドリコソウエキス、レイシエキス、セイヨウノコギリソウエキス、アロエエキス、マロニエエキス、アスナロエキズ、ヒバマタエキス、オスモインエキス、オーツ麦エキス、チューベロースポリサッカライド、冬虫夏草エキス、大麦エキス、オレンジ抽出物、ジオウエキス、サンショウエキス、ヨクイニンエキス等を挙げることができる。また、カゼインナノ粒子の場合は、カゼイン自体が保湿性を有する。 Examples of the humectant include agar, diglycerin, distearyldimonium hectorite, butylene glycol, polyethylene glycol, propylene glycol, hexylene glycol, yokinein extract, petrolatum, urea, hyaluronic acid, ceramide, lipid, isoflavone, amino acid, Collagen, mucopolysaccharide, fucodyne, lactoferrin, sorbitol, chitin / chitosan, malic acid, glucuronic acid, placenta extract, seaweed extract, bopipi extract, amacha extract, hypericum extract, coleus extract, masaki extract, kouca extract, maika flower extract, cho Ray extract, hawthorn extract, rosemary extract, Duke extract, chamomile extract, nettle extract, litchi extract, yarrow extract, a Eekisu, horse chestnut extract, Asunaroekizu, Fucus extract, Osmo-in extract, oat extract, tuberosa polysaccharide, Cordyceps extract, barley extract, orange extract, mention may be made of Rehmannia glutinosa, pepper extract, the Yokuininekisu like. In the case of casein nanoparticles, casein itself has moisture retention.
　紫外線防止剤としては、例えば、サリチル酸ホモメンチル、４－メトキシケイ皮酸－２－エチルヘキシル、２－ヒドロキシ－４－メトキシベンゾフェノン、２－ヒドロキシ－４－メトキシベンゾフェノンスルホン酸、２－ヒドロキシ－４－メトキシベンゾフェノンスルホン酸ナトリウム、４－ｔ－ブチル－４’－メトキシ－ジベンゾイルメタン、酸化チタン、酸化亜鉛等が挙げられる。 Examples of UV inhibitors include homomenthyl salicylate, 2-methoxyhexyl 4-methoxycinnamate, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxybenzophenone sulfonic acid, 2-hydroxy-4-methoxybenzophenone Examples thereof include sodium sulfonate, 4-t-butyl-4′-methoxy-dibenzoylmethane, titanium oxide, and zinc oxide.
　活性酸素除去剤としては、例えば、スーパーオキサイドディスムターゼ（ＳＯＤ）、マンニトール、ルテイン及びその誘導体、ビリルビン、コレステロール、トリプトファン、ヒスチジン、クエルセチン、クエルシトリン、カテキン、カテキン誘導体、没食子酸、没食子酸誘導体、オウゴン抽出物、イチョウ抽出物、ユキノシタ抽出物、メリッサ抽出物、ゲンノショウコ抽出物、ボタンピ抽出物、パセリ抽出物、トルメンチラ抽出物、羅漢果抽出物、海藻抽出物、ヤシャジツ抽出物、ジコッピ抽出物等が挙げられる。 Examples of active oxygen scavengers include superoxide dismutase (SOD), mannitol, lutein and derivatives thereof, bilirubin, cholesterol, tryptophan, histidine, quercetin, quercitrin, catechin, catechin derivatives, gallic acid, gallic acid derivatives, and ogon extract. , Ginkgo biloba extract, Yukinoshita extract, Melissa extract, Gennoshoko extract, Boppi extract, Parsley extract, Tormentilla extract, Rakan fruit extract, seaweed extract, Yashajitsu extract, Zicopi extract and the like.
　毛髪用に好適な抗酸化剤としては、例えば、レチノイン酸、レチノール、ビタミンＣ及びその誘導体、カイネチン、トレチノイン、トコフェロール等のビタミンＥ及びその誘導体、セサミン、α－リポ酸、コエンザイムＱ１０、フラボノイド類、エリソルビン酸、没食子酸プロピル、ＢＨＴ（ジ－ｎ－ブチルヒドロキシトルエン）、ＢＨＡ（ブチルヒドロキシアニソール）、コウキエキス、大豆エキス、紅茶エキス、茶エキス、エイジツエキス等を挙げることができる。 Antioxidants suitable for hair include, for example, retinoic acid, retinol, vitamin C and derivatives thereof, vitamin E and derivatives thereof such as kinetin, tretinoin, tocopherol, sesamin, α-lipoic acid, coenzyme Q10, flavonoids, Examples include erythorbic acid, propyl gallate, BHT (di-n-butylhydroxytoluene), BHA (butylhydroxyanisole), koki extract, soybean extract, black tea extract, tea extract, age extract and the like.
　抗微生物剤としては、例えば、トリアジン系化合物、イソチアゾロン系化合物、第４級アンモニウム化合物等を挙げることができる。 Examples of antimicrobial agents include triazine compounds, isothiazolone compounds, quaternary ammonium compounds, and the like.
　育毛剤としては、例えば、グリチルレチン酸又はその誘導体、グリチルリチン酸又はその誘導体、ヒノキチオール、ミノキシジル又はその類縁体、アデノシン、ビタミンＥ又はその誘導体、ビタミンＣ誘導体、６－ベンジルアミノプリン、ニコチン酸ベンジル、ニコチン酸トコフェロール、ニコチン酸β－ブトキシエステル、イソプロピルメチルフェノール、ペンタデカン酸又はその誘導体、セファラチン、フィナステリド、ｔ－フラバノン、パントテン酸、パンテノール、カンゾウ抽出物、キンセイソウ抽出物、クジン抽出物、センブリ抽出物、トウガラシ抽出物、トウチャ抽出物、ニンジン抽出物、ホウコウエイ抽出物、ボタン抽出物、ミカン抽出物等を挙げることができる。 Examples of hair restorers include glycyrrhetinic acid or derivatives thereof, glycyrrhizic acid or derivatives thereof, hinokitiol, minoxidil or analogs thereof, adenosine, vitamin E or derivatives thereof, vitamin C derivatives, 6-benzylaminopurine, benzyl nicotinate, nicotine Acid tocopherol, nicotinic acid β-butoxy ester, isopropylmethylphenol, pentadecanoic acid or derivatives thereof, cephalatin, finasteride, t-flavanone, pantothenic acid, panthenol, licorice extract, quince extract, kudin extract, assembly extract, Pepper extract, toucha extract, carrot extract, spinach extract, button extract, mandarin extract and the like can be mentioned.
　ミネラルとしては、例えば、カルシウム、マグネシウム、カリウム、ナトリウム、亜鉛、マンガン、鉄、銅、セレン等生体の維持、調節のために必須の金属類が挙げられる。乳化組成物がミネラルを含有する場合のミネラルの形態は、ミネラル単体のみならず、塩、酸化物、タンパク複合体又はその分解物の複合体、多糖類複合体、もしくはその分解物の複合体、その他加工デンプン複合体、シクロデキストリン複合体の形態であってもよい。また、スーパーオキシドジスムターゼ、グルタチオンパーオキシターゼ、酸性フォスファターゼ等のミネラルを有する金属酵素の形態であってもよく、ホスホグルコムターゼ等の金属活性化酵素、活性中心以外に金属を含む酵素及び補酵素等の形態であってもよい。 Examples of minerals include metals essential for the maintenance and adjustment of living organisms such as calcium, magnesium, potassium, sodium, zinc, manganese, iron, copper, and selenium. When the emulsified composition contains a mineral, the form of the mineral is not only a mineral alone but also a salt, an oxide, a protein complex or a complex of the degradation product, a polysaccharide complex, or a complex of the degradation product, In addition, it may be in the form of a modified starch complex or a cyclodextrin complex. Further, it may be in the form of a metal enzyme having minerals such as superoxide dismutase, glutathione peroxidase, and acid phosphatase, such as a metal activating enzyme such as phosphoglucomutase, an enzyme containing a metal other than the active center, and a coenzyme. Form may be sufficient.
　アミノ酸類としては、例えば、グルタミン酸、Ｌ－アスパラギン酸、Ｌ－アラニン、Ｌ－システイン、グリシン、Ｌ－イソロイシン、Ｌ－ロイシン、リジン、等、及びそれらの塩類等が挙げられる。 Examples of amino acids include glutamic acid, L-aspartic acid, L-alanine, L-cysteine, glycine, L-isoleucine, L-leucine, lysine, and the like, and salts thereof.
　上述した毛髪用に使用される有効成分は、単独で使用してもよいし、２種以上を組み合わせて用いることもできる。 The active ingredients used for the hair described above may be used alone or in combination of two or more.
　本発明の乳化組成物は、毛髪用に好適に使用される。
　本発明の乳化組成物を毛髪用とする場合の剤形は特に限定されないが、例えば、リンス、ヘアコンディショナー、ヘアパック、ヘアリキッド、ヘアトニック、ヘアスプレー、パーマネントウエーブ用組成物、染毛剤等を挙げることができる。 The emulsified composition of the present invention is suitably used for hair.
The dosage form when the emulsified composition of the present invention is used for hair is not particularly limited. For example, rinse, hair conditioner, hair pack, hair liquid, hair tonic, hair spray, permanent wave composition, hair dye, etc. Can be mentioned.
　本発明の乳化組成物を毛髪に適用する際の付与方法は特に限定されないが、毛髪に付与した後、リンスオフするコンディショナー等としてもよく、毛髪に付与して洗い流さない剤形、例えば、整髪料、或いは洗い流さないトリートメント剤としての、ジェル、ムース、クリーム、ローション、又は気体注入式フォーム等のいずれであってもよい。 A method for applying the emulsified composition of the present invention to the hair is not particularly limited, but may be a conditioner or the like that is applied to the hair and then rinsed off. Alternatively, any of gels, mousses, creams, lotions, or insufflation foams as treatment agents that do not wash away may be used.
　本発明の乳化組成物は、上述した各成分を常法に従って配合することにより得ることができる。
　例えば、カロテノイド（Ａ）、高級アルコール（Ｂ）、任意成分である油性成分、及び、カチオン性界面活性剤（Ｃ）、カチオン性ポリマー（Ｄ）のうち油溶性の成分を加熱撹拌混合して均一な溶液を得て、油相を調製する。また、カチオン性界面活性剤（Ｃ）、カチオン性ポリマー（Ｄ）のうち水溶性のもの、任意成分のうち水溶性のもの、及び水を加熱撹拌混合して均一な溶液を得て水相を調製することができるが、これらの配合方法に限定されない。
　本発明の乳化組成物は、予め調製された、水相及び油相をそれぞれ形成する２種の溶液を合わせ、必要に応じて加温下で、撹拌混合して油相と水相とを含む乳化組成物とし、その後、適温まで冷却することにより得ることができる。なお、所望によりさらに添加される任意成分についても、水相及び油相に、それぞれ添加すればよい。 The emulsion composition of this invention can be obtained by mix | blending each component mentioned above in accordance with a conventional method.
For example, carotenoid (A), higher alcohol (B), optional oil component, and cationic surfactant (C), cationic polymer (D) oil-soluble components are mixed by heating and stirring. An oily phase is prepared. In addition, a water-soluble one of the cationic surfactant (C) and the cationic polymer (D), a water-soluble one of the optional components, and water are mixed with heating and stirring to obtain a uniform solution to obtain an aqueous phase. Although it can prepare, it is not limited to these compounding methods.
The emulsified composition of the present invention comprises an oil phase and an aqueous phase prepared by combining two solutions prepared in advance, each of which forms an aqueous phase and an oil phase, and stirring and mixing as necessary. It can be obtained by preparing an emulsified composition and then cooling to an appropriate temperature. In addition, what is necessary is just to add to the water phase and an oil phase, respectively about the arbitrary component added further if desired.
　以下、本発明を実施例にて詳細に説明する。しかしながら、本発明は実施例に何ら限定されない。 Hereinafter, the present invention will be described in detail with reference to examples. However, the present invention is not limited to the examples.
［アスタキサンチン液］
　実施例及び比較に用いたアスタキサンチン液は、武田紙器（株）製、アスタッツ（ＡＳＴＯＴＳ）－ＳＴである。なお、アスタキサンチン液中のアスタキサンチンの含有量は、５．０質量％である。 [Astaxanthin solution]
The astaxanthin solution used in the examples and comparison is ASTOTS-ST, manufactured by Takeda Kaiki Co., Ltd. In addition, content of astaxanthin in an astaxanthin liquid is 5.0 mass%.
［比較例１の乳化組成物の調製］
　表１に記載の各成分を、表１に記載の含有量（質量％）となる量を含有させて、下記の調製方法により乳化組成物を製造した。
（ａ）成分２～４、６を８０℃に加熱して、３０分間撹拌混合し、各成分を溶解させる。
（ｂ）成分１、５、７を８０℃に加熱して、３０分間撹拌混合し、各成分を溶解させる。
（ｃ）（ａ）で調製した溶液及び成分８を直前に混合した、その後、（ｂ）で調製した溶液を添加し、８０℃にて１０分間撹拌混合する。
（ｄ）さらに攪拌しながら成分９～１６を添加混合させる。 [Preparation of Emulsion Composition of Comparative Example 1]
An emulsified composition was produced by the following preparation method with each component shown in Table 1 contained in an amount corresponding to the content (% by mass) shown in Table 1.
(A) Heat components 2 to 4 and 6 to 80 ° C. and stir and mix for 30 minutes to dissolve each component.
(B) Components 1, 5, and 7 are heated to 80 ° C. and stirred and mixed for 30 minutes to dissolve each component.
(C) The solution prepared in (a) and component 8 are mixed immediately before, and then the solution prepared in (b) is added and stirred and mixed at 80 ° C. for 10 minutes.
(D) Components 9 to 16 are added and mixed with further stirring.
　なお、下記表１において用いた各成分の詳細は以下の通りである。
・ステアリルトリモニウムクロリド（竹本油脂（株）製、パイオニンＢ－８１１－Ｎ）
・ポリクオタニウム－１０（ナルコジャパン（株）製、Ｍｅｒｑｕａｔ１０） In addition, the detail of each component used in following Table 1 is as follows.
Stearyl trimonium chloride (manufactured by Takemoto Yushi Co., Ltd., Pionine B-811-N)
・ Polyquaternium-10 (Merquat10, manufactured by Nalco Japan)
Figure JPOXMLDOC01-appb-T000001
 
Figure JPOXMLDOC01-appb-T000001
 
［実施例１～１３、比較例１～３］
　下記表２～表５の処方に従い、比較例１と同様にして乳化組成物を調製した。 [Examples 1 to 13, Comparative Examples 1 to 3]
An emulsified composition was prepared in the same manner as in Comparative Example 1 according to the formulations shown in Tables 2 to 5 below.
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000003
Figure JPOXMLDOC01-appb-T000003
Figure JPOXMLDOC01-appb-T000004
Figure JPOXMLDOC01-appb-T000004
Figure JPOXMLDOC01-appb-T000005
Figure JPOXMLDOC01-appb-T000005
［性能評価］
　得られた実施例１～１３及び比較例１～３の乳化組成物を以下の基準により評価した。結果を表２～表５に併記した。
（１．経時による硬度安定性試験）
　実施例及び比較例で得た乳化組成物の試料を用いて、２３℃にて製造１日後に硬度を測定し、その後、２３℃にて２ヶ月間保存した後の硬度を測定し、両者の差異より硬度変化を測定し、以下基準にて評価した。
　ここでの硬度は、（株）レオテック製のＦＵＤＯＨレオメーターを用いて、１ｍｍ／ｓｅｃの速度で、φ２０ｍｍのアダプターを、試料に深さ２０ｍｍ程度挿入し、実施例及び比較例で得た試料に対して２００ｇの力が加わった際のピークを硬度とした。
　なお、作製初期（製造１日後）の試料の硬度と比べ、＋２０以上の硬度変化が生じると、明らかに硬度が変化したとわかるレベルであり、Ａ～Ｃは実用上問題のないレベルであり、Ａ～Ｂは硬度安定性に優れたレベルである。
（硬度安定性の評価基準）
＋０（硬度変化なし）～＋１０未満の硬度上昇：Ａ
＋１０以上１５未満の硬度上昇：Ｂ
＋１５以上２０未満の硬度上昇：Ｃ
＋２０以上の硬度上昇：Ｄ [Performance evaluation]
The obtained emulsion compositions of Examples 1 to 13 and Comparative Examples 1 to 3 were evaluated according to the following criteria. The results are shown in Tables 2 to 5.
(1. Hardness stability test over time)
Using the samples of the emulsified compositions obtained in Examples and Comparative Examples, the hardness was measured one day after production at 23 ° C., and then the hardness after storage for 2 months at 23 ° C. was measured. The change in hardness was measured from the difference and evaluated according to the following criteria.
The hardness here is about 20 mm in depth inserted into the sample at a speed of 1 mm / sec using a FUDOH rheometer manufactured by Rheotech Co., Ltd. On the other hand, the peak when 200 g of force was applied was defined as hardness.
It should be noted that when a change in hardness of +20 or more occurs compared with the hardness of the sample at the initial stage of production (one day after production), it is obvious that the hardness has changed, and A to C are levels that have no practical problem. A to B are levels having excellent hardness stability.
(Evaluation criteria for hardness stability)
+0 (no change in hardness) to less than +10 hardness increase: A
+10 or more and less than 15 hardness increase: B
+15 to less than 20 hardness increase: C
+20 or more hardness increase: D
（２．経時による色味変化確認）
　実施例及び比較例で得た試料を用いて、２３℃にて製造１日後の色味と、２３℃にて２ヶ月間保存した後の色味との変化を、色差計（コニカミノルタ（株）製、ＣＲ－４００）にて測定し、作製初期（製造１日後）の色味からの変化（ΔＥ）で確認した。
　なお、ΔＥ＝２．５以上の色味変化が生じると、目視にて明確に色味が変化したとわかるレベルである。
（色味変化の評価基準）
ΔＥ　２未満：Ａ
ΔＥ　２以上２．５未満：Ｂ
ΔＥ　２．５以上：Ｃ (2. Confirmation of color change over time)
Using the samples obtained in Examples and Comparative Examples, the change in color after one day of production at 23 ° C. and color after storage for 2 months at 23 ° C. was measured using a color difference meter (Konica Minolta Co., Ltd.). ), Manufactured by CR-400), and confirmed by the change (ΔE) from the color tone at the initial stage of production (one day after production).
It should be noted that when a color change of ΔE = 2.5 or more occurs, it is a level at which it can be seen that the color has clearly changed visually.
(Evaluation criteria for color change)
Less than ΔE 2: A
ΔE 2 or more and less than 2.5: B
ΔE 2.5 or more: C
　高級アルコール１種のみで構成している比較例１～３の乳化組成物は硬度安定性、色味安定性共に改良が見られず、実用上問題のあるレベルであった。
　一方、高級アルコールを２種以上で構成している実施例の乳化組成物は、いずれも硬度安定性、色味安定性が比較例に対してより良好であった。
　なかでも、アルキル鎖の炭素数が１８であるステアリルアルコールを含み、高級アルコール（Ｂ）全量に対するアルキル鎖の炭素数が２２であるベヘニルアルコール（炭素数２２）の含有量が５０質量％以下である実施例７～１１の乳化組成物は特に良好な硬度安定性を示した。 The emulsified compositions of Comparative Examples 1 to 3 composed of only one kind of higher alcohol showed no improvement in both hardness stability and color stability, and had practically problematic levels.
On the other hand, the emulsified compositions of Examples comprising two or more higher alcohols had better hardness stability and color stability than the comparative examples.
Among them, the content of behenyl alcohol (carbon number 22) having a carbon number of 22 in the alkyl chain with respect to the total amount of higher alcohol (B), including stearyl alcohol having 18 carbon atoms in the alkyl chain, is 50% by mass or less. The emulsified compositions of Examples 7 to 11 showed particularly good hardness stability.
　高級アルコールを２種以上含有する実施例、特にベヘニルアルコールを含まないか、或いは、ベヘニルアルコールを含む場合、その含有量が、高級アルコール全量に対し、５０％以下である実施例５～１３の乳化組成物は色味変化をより確実に抑制可能であった。 Examples containing two or more higher alcohols, especially emulsified compositions of Examples 5 to 13 containing no behenyl alcohol or containing behenyl alcohol, the content of which is 50% or less based on the total amount of higher alcohol The color change could be suppressed more reliably.
［実施例１４～２１、比較例４］
　次に、本発明の効果に加え、使用時の感触を評価した。即ち、実施例１４～２１の乳化組成物は、高級アルコール（Ｂ）の含有量、用いたカチオン性ポリマー（Ｄ）の種類を変えた以外は、比較例１と同様にして調製した乳化組成物である。
　得られた乳化組成物を、実施例１と同様に、硬度変化、及び色味変化の評価を行い、さらに、以下の基準にて乳化組成物を毛髪に適用した後の毛髪のふんわり感、ハリコシ感等の感触も合わせて評価を行った。結果を表６～表７に併記した。 [Examples 14 to 21, Comparative Example 4]
Next, in addition to the effects of the present invention, the feel during use was evaluated. That is, the emulsion compositions of Examples 14 to 21 were prepared in the same manner as Comparative Example 1 except that the content of the higher alcohol (B) and the type of the cationic polymer (D) used were changed. It is.
The obtained emulsion composition was evaluated for hardness change and color change in the same manner as in Example 1. Further, the soft feeling of hair after the application of the emulsion composition to the hair according to the following criteria, harshness Evaluation was also made with the feeling such as feeling. The results are shown in Tables 6 to 7.
（３．官能評価）
　長さ２０ｃｍ、幅１ｃｍ、重さ１．５ｇの人毛の毛束に対し、それぞれ比較例４及び実施例１４～２１の乳化組成物５ｇを塗布して、５分間静置した後、４０℃の温水で１分間すすぎ、よく乾かした。 (3. Sensory evaluation)
5 g of the emulsified composition of Comparative Example 4 and Examples 14 to 21 were applied to a human hair bundle having a length of 20 cm, a width of 1 cm, and a weight of 1.5 g, respectively, and allowed to stand for 5 minutes. Rinse with warm water for 1 minute and dry well.
　未処理の毛束を基準毛として、毛束のハリコシを、以下の基準に従って５段階で官能評価した。評価は５人で行い、その評価の平均値を表６～表７に示した。０より大きい得点は、その特性において基準毛よりもハリコシが改善されていることを示す。
（ハリコシの評価基準）
＋２：ハリコシがある
＋１：少しハリコシがある
　０：どちらともいえない
－１：あまりハリコシがない
－２：ハリコシがない Using the untreated hair bundle as a reference hair, the tension of the hair bundle was subjected to sensory evaluation in five stages according to the following criteria. The evaluation was performed by five people, and the average value of the evaluation is shown in Tables 6 to 7. A score greater than 0 indicates that the properties are improved over the reference hair.
(Evaluation criteria for harikoshi)
+2: There is a harshness +1: There is a little harshness 0: I can not say either -1: There is not much harshness -2: There is no harshness
　なお、下記表において用いたカチオン性ポリマー（Ｄ）の詳細は以下の通りである。
・ポリクオタニウム－６（ナルコジャパン（株）製、Ｍｅｒｑｕａｔ１０６）
・ポリクオタニウム－７（ナルコジャパン（株）製、Ｍｅｒｑｕａｔ２２００）
・ポリクオタニウム－１１（アイエスピー・ジャパン（株）製、ガフカット４４０）
・ポリクオタニウム－２２（ナルコジャパン（株）製、Ｍｅｒｑｕａｔ２８０）
・ポリクオタニウム－３９（ナルコジャパン（株）製、Ｍｅｒｑｕａｔ３３３０）
・ポリクオタニウム－４２（ナルコジャパン（株）製、Ｍｅｒｑｕａｔ２００１）
・ポリクオタニウム－５２（花王（株）製、ソフケアＫＧ－３０１Ｗ） In addition, the detail of the cationic polymer (D) used in the following table | surface is as follows.
・ Polyquaternium-6 (Merquat 106, manufactured by Nalco Japan)
Polyquaternium-7 (Merquat 2200, manufactured by Nalco Japan)
・ Polyquaternium-11 (ASF Japan Co., Ltd., Guffcut 440)
・ Polyquaternium-22 (Merquat 280, manufactured by Nalco Japan)
・ Polyquaternium-39 (Merquat 3330, manufactured by Nalco Japan)
・ Polyquaternium-42 (Merquat 2001, manufactured by Nalco Japan)
・ Polyquaternium-52 (manufactured by Kao Corporation, Sofcare KG-301W)
Figure JPOXMLDOC01-appb-T000006
Figure JPOXMLDOC01-appb-T000006
Figure JPOXMLDOC01-appb-T000007
Figure JPOXMLDOC01-appb-T000007
　本発明の乳化組成物は、いずれも、カチオン性ポリマーを含有しない比較例４に対して、硬度安定性、及び色味安定性に優れていた。さらに、比較例４では、毛髪のハリコシが劣っており実用上問題のあるレベルであるのに対して、実施例１４～２１の乳化組成物の全てにおいて毛髪のハリコシの向上が見られ、特に、乳化組成物に起因する強い被膜性により、実施例１４、１７～２１でハリコシの大きな向上が見られた。 All of the emulsified compositions of the present invention were excellent in hardness stability and color stability with respect to Comparative Example 4 which did not contain a cationic polymer. Furthermore, in Comparative Example 4, while the elasticity of the hair is inferior and at a practically problematic level, in all of the emulsified compositions of Examples 14 to 21, an improvement in the elasticity of the hair is observed. Due to the strong film property resulting from the emulsified composition, the sharpness was greatly improved in Examples 14 and 17-21.
　［実施例２２］
　本発明の乳化組成物を用いて、以下の組成に従ってヘアコンディショナーを調製した。以下の数値は、下記組成の全質量に対する質量％を意味する。
＜組成＞　　　　　　　　　　　　　　　　　　　　　（質量％）
・パルミチン酸エチルヘキシル　　　　　　　　　　　　１１．０
・ステアリルアルコール　　　　　　　　　　　　　　　　２．０
・ベヘニルアルコール　　　　　　　　　　　　　　　　　４．０
・ステアルトリモニウムブロミド　　　　　　　　　　　　０．０１
・１，３－ブチレングリコール　　　　　　　　　　　　　２．０
・グリセリン　　　　　　　　　　　　　　　　　　　　　２．０
・ヒアルロン酸ナトリウム　　　　　　　　　　　　　　　０．１
・トコフェロール　　　　　　　　　　　　　　　　　　　０．１
・セラミド２　　　　　　　　　　　　　　　　　　　　　０．１
・コレステロール　　　　　　　　　　　　　　　　　　　０．１
・グリチルレチン酸　　　　　　　　　　　　　　　　　　０．０１
・水溶性コラーゲン　　　　　　　　　　　　　　　　　　０．１
・アスタキサンチン液　　　　　　　　　　　　　　　　　０．０１
・アセチルヒドロキシプロリン　　　　　　　　　　　　　０．１
・センブリエキス　　　　　　　　　　　　　　　　　　　０．００１
・オタネニンジン根エキス　　　　　　　　　　　　　　　０．００１
・グリチルリチン酸ジカリウム　　　　　　　　　　　　　０．０１
・ポリクオタニウム－１０　　　　　　　　　　　　　　　１．０
・ジペンタエリスリチル　　　　　　　　　　　　　　　　２．０
・ジココニウムクロリド　　　　　　　　　　　　　　　　１．０
・イソプロパノール　　　　　　　　　　　　　　　　　　１．０
・ラウロイルサルコリンイソプロピル　　　　　　　　　　０．１
・オレイルアルコール　　　　　　　　　　　　　　　　　０．１
・デシルテトラデカノール　　　　　　　　　　　　　　　０．１
・ラウロイルグルタミン酸ジ（フィトステリル／
　　オクチルドデシル）　　　　　　　　　　　　　　　　０．１
・イソステアリン酸ポリグリセリル－１０　　　　　　　　０．１
・レシチン　　　　　　　　　　　　　　　　　　　　　　０．１
・トリ（カプリル酸／カプリン酸）グリセリル　　　　　　０．１
・ミリスチン酸ポリグリセリル　　　　　　　　　　　　　０．１
・アルキル（炭素数１２、１４）オキシヒドロキシプロピル
　　アルギニン塩酸塩　　　　　　　　　　　　　　　　　０．１
・ダマスクバラ花油　　　　　　　　　　　　　　　　　　適量
・クエン酸　　　　　　　　　　　　　　　　　　　　　　０．１
・香料　　　　　　　　　　　　　　　　　　　　　　　　適量
・フェノキシエタノール　　　　　　　　　　　　　　　　０．２
・ブチルカルバミン酸ヨウ化プロピニル　　　　　　　　　０．２
・水　　　　　　　　　　　　　　　　　　　　　　　　　残量 [Example 22]
Using the emulsified composition of the present invention, a hair conditioner was prepared according to the following composition. The following numerical value means the mass% with respect to the total mass of the following composition.
<Composition> (mass%)
・ Ethylhexyl palmitate 11.0
・ Stearyl alcohol 2.0
・ Behenyl alcohol 4.0
・ Stear trimonium bromide 0.01
・ 1,3-Butylene glycol 2.0
・ Glycerin 2.0
・ Sodium hyaluronate 0.1
・ Tocopherol 0.1
・ Ceramide 2 0.1
・ Cholesterol 0.1
・ Glycyrrhetinic acid 0.01
・ Water-soluble collagen 0.1
・ Astaxanthin solution 0.01
Acetyl hydroxyproline 0.1
・ Assembly extract 0.001
・ Ginseng root extract 0.001
・ Dipotassium glycyrrhizinate 0.01
・ Polyquaternium-10 1.0
・ Dipentaerythrityl 2.0
・ Zicoconium chloride 1.0
・ Isopropanol 1.0
・ Lauroylsarcoline isopropyl 0.1
・ Oleyl alcohol 0.1
Decyltetradecanol 0.1
・ Lauroyl glutamate di (phytosteryl /
Octyldodecyl) 0.1
Polyglyceryl isostearate-10 0.1
・ Lecithin 0.1
Tri (caprylic acid / capric acid) glyceryl 0.1
・ Polyglyceryl myristate 0.1
・ Alkyl (carbon number 12, 14) oxyhydroxypropyl arginine hydrochloride 0.1
・ Damask rose flower oil appropriate amount ・ Citric acid 0.1
・ Perfume appropriate amount ・ Phenoxyethanol 0.2
・ Butylcarbamic acid propynyl iodide 0.2
・ Remaining water
　実施例２２で調製したヘアコンディショナーは、硬度安定性及び色味安定性に優れ、更に毛髪のハリコシの大きな向上が見られた。 The hair conditioner prepared in Example 22 was excellent in hardness stability and color stability, and was further improved in sharpness of hair.
　２０１３年８月２日に出願された日本出願２０１３－１６１７３８の開示は参照により本明細書に取り込まれる。
　本明細書に記載された全ての文献、特許出願、及び技術規格は、個々の文献、特許出願、及び技術規格が参照により取り込まれることが具体的かつ個々に記された場合と同程度に、本明細書中に参照により取り込まれる。 The disclosure of Japanese application 2013-161738 filed on August 2, 2013 is incorporated herein by reference.
All documents, patent applications, and technical standards mentioned in this specification are to the same extent as if each individual document, patent application, and technical standard were specifically and individually stated to be incorporated by reference, Incorporated herein by reference.

Claims (5)

  1. 　カロテノイド、炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコール、カチオン性界面活性剤、及び、カチオン性ポリマーを含有する乳化組成物。 An emulsified composition containing two or more higher alcohols having different carbon chain lengths selected from carotenoids and higher alcohols having 16 to 22 carbon atoms, a cationic surfactant, and a cationic polymer.
  2. 　炭素数１６～２２アルキル基を有する高級アルコールからなる群より選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコールが、炭素数１８の高級アルコールを含む請求項１に記載の乳化組成物。 The emulsion composition according to claim 1, wherein the two or more higher alcohols having different carbon chain lengths selected from the group consisting of higher alcohols having 16 to 22 carbon atoms include higher alcohols having 18 carbon atoms.
  3. 　炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコールの総含有量が、乳化組成物に対して０．１質量％～１５質量％であり、且つ、炭素数１６～２２アルキル基を有する高級アルコールから選ばれる、互いに炭素鎖長の異なる２種以上の高級アルコールの総含有量に対し、炭素数２２の高級アルコールの含有量が６０質量％以下である請求項１又は請求項２に記載の乳化組成物。 The total content of two or more higher alcohols selected from higher alcohols having 16 to 22 carbon atoms and having different carbon chain lengths is 0.1% by mass to 15% by mass with respect to the emulsion composition. And the content of the higher alcohol having 22 carbon atoms is 60% by mass with respect to the total content of two or more higher alcohols having different carbon chain lengths selected from higher alcohols having 16 to 22 carbon atoms. The emulsified composition according to claim 1 or 2, which is:
  4. 　カロテノイドが、アスタキサンチン、及びリコピンからなる群より選ばれる少なくとも１種である請求項１～請求項３のいずれか１項に記載の乳化組成物。 The emulsion composition according to any one of claims 1 to 3, wherein the carotenoid is at least one selected from the group consisting of astaxanthin and lycopene.
  5. 　毛髪用である請求項１～請求項４のいずれか１項に記載の乳化組成物。 The emulsified composition according to any one of claims 1 to 4, which is for hair.
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