JP6633890B2 - Oil-in-water emulsion composition - Google Patents

Description

  The present invention relates to an oil-in-water emulsion composition.

  The oil-soluble chamomile extract has many effects such as photoaging inhibition, collagen production promotion, hair growth, ATP production promotion, skin barrier function improvement, cell differentiation promotion, collagen gel contraction promotion, pore contraction, etc. Since it has a physiological effect, it is blended in many cosmetics (for example, Patent Documents 1 to 4).

JP-A-8-73324 JP-A-8-92056 JP 10-72336 A JP 2007-161666 A

  However, due to the recent rise in health consciousness and aesthetic consciousness, the required characteristics of users have been increased, and cosmetics containing an oil-soluble chamomile extract have been desired to have a better feeling in use than conventional cosmetics. . In addition, it was found that, depending on the composition, an odor derived from the oil-soluble chamomile extract was felt, and it was particularly likely to be strongly felt after storage at high temperatures. In addition, stability with time at low or high temperatures may be inferior, and it is necessary to improve them.

  Therefore, the present invention relates to an oil-in-water emulsified composition containing an oil-soluble chamomile extract, in which the odor derived from the extract is suppressed, and which is excellent in stability over time and feeling in use.

  The present inventors have found that an oil-in-water emulsion composition that satisfies the above requirements can be obtained by using a specific amount of a phospholipid and two types of silicones in a fixed ratio together with an oil-soluble chamomile extract. .

The present invention contains the following components (A) to (D), and the content mass ratio of component (D) to the total of component (C) and component (D) [(D) / ((C) + (D) )] Is from 0.05 to 0.45.
(A) Oil-soluble chamomile extract
(B) Phospholipid 0.5% by mass to 5.5% by mass in the oil-in-water emulsion composition
(C) Methylphenyl polysiloxane
(D) Dimethylpolysiloxane liquid at 25 ° C

  The present invention is an oil-in-water emulsion composition in which the odor derived from the oil-soluble chamomile extract contained is suppressed, the stability over time is excellent, there is no stickiness, the skin is familiar, the makeup is good, and the usability is excellent. It is.

[Component (A): oil-soluble chamomile extract]
The oil-soluble chamomile extract of the component (A) is obtained by extracting a flower of a chamomile [Matricaria chamomilla L. (Compositae)], which is an Asteraceae plant, with a lipophilic organic solvent. As the solvent used, an oil agent having a solubility parameter (SP value) in the range of 15 to 21 is preferable. For example, isopropyl myristate (SP value 17.0), neopentyl glycol dicaprate (SP value 17.7), liquid paraffin (SP value) 16.4), squalane (SP value 16.2), and a mixed solvent of two or more of these. These may be plant-derived oils such as castor oil, persic oil, soybean oil, and sunflower oil. Generally, the type and amount of components contained in the extract differ depending on the oil agent used for the extraction. In the present invention, an extract using squalane is preferable from the viewpoint of exhibiting more excellent physiological action effects such as a photoaging inhibitory action. Here, the SP value refers to a measure of the compatibility between substances, and can be determined by calculating the Hansen's three-dimensional solubility parameter according to the method described in JP-A-10-194920.

  The oil-soluble chamomile extract can be produced, for example, by extracting from chamomile using a lipophilic organic solvent according to the method described in JP-A-10-194920. Specifically, the extraction is performed by adding a lipophilic organic solvent in an amount of 1 to 100 times the mass of the crushed dried chamomile flowers to the chamomile flowers and stirring the mixture at 10 to 90 ° C. for 1 to 96 hours. The temperature can be appropriately set depending on the type of the oil agent.

  In the present invention, the oil-soluble chamomile extract of the component (A) may be in the form of a solution in which a dry solid is dissolved in the extraction solvent in order to improve the miscibility with other oily components during production. In this case, the dry solid content in the oil-soluble chamomile extract is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, further preferably 0.08% by mass or more, further preferably 0.1% by mass or more, further preferably 0.2% by mass or more. % By mass, preferably 5% by mass or less, more preferably 2% by mass or less, still more preferably 1% by mass or less, further preferably 0.8% by mass or less, further preferably 0.7% by mass or less.

  Here, the dry solid content is the solid content obtained by drying the extract to remove the solvent, and when the amount of the lipophilic organic solvent is known, it is the remaining amount excluding the amount of the lipophilic organic solvent.

  Such oil-soluble chamomile extract contains camazulene, umbelliferone, 7-methoxycoumarin, matricin, matricin, taraxasterol, upeol, apiin, a spiroether compound represented by the following formula, and the like.

  Among these components, it is considered that the content of the spiroether compound exerts a physiological action effect such as a photoaging inhibitory action. In the present invention, the amount of the spiro ether compound in the oil-soluble chamomile extract is preferably 10 ppm or more, more preferably 100 ppm or more, from the viewpoint of exhibiting a physiological effect such as a photoaging inhibitory effect and improving the stability over time. More preferably 200 ppm or more, more preferably 300 ppm or more, more preferably 360 ppm or more, and also preferably 500 ppm or less, more preferably 480 ppm or less, more preferably 450 ppm or less, further preferably 440 ppm or less, further preferably 420 ppm or less. It is. One or more oil-soluble chamomile extracts can be used. When two or more oil-soluble chamomile extracts are used, it is preferable that the total amount of the spiro ether compound in all the extracts be within the above range.

  The content of the component (A) in the oil-in-water emulsified composition as a dry solid content is preferably 0.00004 from the viewpoint of expressing physiological effects such as a photoaging inhibitory effect, suppressing odor, and improving stability over time. % By mass or more, more preferably 0.0002% by mass or more, further preferably 0.00032% by mass or more, further preferably 0.0004% by mass or more, still more preferably 0.0008% by mass or more, and preferably 0.02% by mass or less, more preferably It is 0.008% by mass or less, more preferably 0.004% by mass or less, further preferably 0.0032% by mass or less, and further preferably 0.0028% by mass or less.

  Furthermore, from the same viewpoint, the content of the spiro ether compound in the oil-in-water emulsion composition is preferably 0.0375 ppm or more, more preferably 0.1875 ppm or more, further more preferably 0.3 ppm or more, and still more preferably 0.375 ppm or more. And more preferably 0.75 ppm or more, preferably 18.75 ppm or less, more preferably 7.5 ppm or less, still more preferably 3.75 ppm or less, still more preferably 3 ppm or less, and still more preferably 2.625 ppm or less.

[Component (B): phospholipid]
As the phospholipid of the component (B), the phosphatidylcholine content is at least 60% by mass, more preferably at least 62% by mass, from the viewpoint of improving the stability over time, suppressing stickiness, adapting to the skin, and improving makeup paste. It is preferably 65% by mass or more. Further, the phosphatidylcholine content is preferably 95% by mass or less, more preferably 92% by mass or less, and further preferably 75% by mass or less. Examples of the phospholipid component other than phosphatidylcholine include phosphatidic acid, phosphatidylserine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylglycerol, and the like.

  The phospholipid used in the present invention may be a natural product extracted and purified from animals and plants, a chemically synthesized product, or a processed product such as hydrogenation or hydroxylation. . As a natural product, from the viewpoint of improving stability over time and reducing skin irritation, lecithin, which is an extract / purified product from soybean or egg yolk, is preferable, and a more preferred phospholipid is hydrogenated or hydroxylated. It is a phospholipid.

  Specifically, hydrogenated soybean lecithin and hydrogenated egg yolk lecithin are preferred.

  The content of phosphatidylcholine in the phospholipid can be analyzed by a method using thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), iatroscan (manufactured by Yatron), or the like. For example, an organic solvent containing a phospholipid described in JP-A-2001-186898 is spotted on TLC, developed with chloroform: methanol: acetic acid = 65: 25: 10, and sprayed with 50% by mass ethanol ethanol and heated. Post-densitometer analysis of phospholipids. In addition to the above methods, any method may be used as long as the method can measure and calculate the content and content of phosphatidylcholine contained in the phospholipid.

  Examples of the phospholipid containing phosphatidylcholine of 60% by mass or more include coatsome NC-21 (hydrogenated soybean lecithin; manufactured by NOF Corporation), resinol S-10E, and resinol S-10EX (hydrogenated soybean lecithin; Nikko Chemicals, Inc.) Manufactured).

  The content of the component (B) in the oil-in-water emulsion composition is 0.5% by mass or more, preferably 0.8% by mass, from the viewpoint of suppressing stickiness, improving good skin familiarity, and reducing skin irritation. As described above, the content is more preferably 1% by mass or more, and 5.5% by mass or less, preferably 5.2% by mass or less, more preferably 5% by mass or less, and still more preferably 3% by mass or less.

[Component (C): methylphenylpolysiloxane]
The methylphenylpolysiloxane of the component (C) is a polysiloxane containing a methyl group and a phenyl group, and is specifically represented by the following general formula.

Wherein a is an integer in the range of 1 to 900, and b + c + d is an integer in the range of 1 to 900. ]

  As the methylphenylpolysiloxane represented by the above general formula, those having various molecular weights or viscosities are commercially available. Among them, b = d = 0 from the viewpoint of suppressing stickiness, adapting to the skin, and improving cosmetic paste. Of dimethyldiphenylpolysiloxane is particularly preferred. Examples of commercially available products include FZ-209 (manufactured by Dow Corning Toray) and KF-56A (manufactured by Shin-Etsu Chemical Co., Ltd.). These components (C) can be used alone or in combination of two or more.

  The content of the component (C) in the oil-in-water emulsion composition is preferably 1% by mass or more, more preferably 1% by mass or more, from the viewpoint of improving stability over time, suppressing stickiness, improving skin familiarity, and improving cosmetic paste. It is at least 4.2% by mass, more preferably at least 5% by mass, and preferably at most 11% by mass, more preferably at most 8% by mass, further preferably at most 7% by mass.

  Further, the content ratio by mass of the component (C) to the component (B) [(C) / (B)] is preferable from the viewpoint of improving stability over time, suppressing stickiness, adapting to the skin, and improving makeup paste. Is 1 or more, more preferably 1.1 or more, still more preferably 1.2 or more, still more preferably 1.8 or more, still more preferably 2.1 or more, and preferably 45 or less, more preferably 10 or less, even more preferably 8 or less, Preferably it is 4 or less, more preferably 3.5 or less.

[Component (D): dimethylpolysiloxane liquid at 25 ° C]
As the dimethylpolysiloxane liquid at 25 ° C. of the component (D), the kinematic viscosity at 25 ° C. is preferably 0.5 mm ² / s or more, and more preferably, from the viewpoint of suppressing stickiness, improving skin familiarity and improving cosmetic paste. A dimethylpolysiloxane having a thickness of 1 mm ² / s or more, more preferably 1.5 mm ² / s or more, preferably 1000 mm ² / s or less, preferably 500 mm ² / s or less, more preferably 400 mm ² / s or less. These may be linear or branched.

  The kinematic viscosity at 25 ° C is measured using a capillary viscometer, measuring the time required for a fixed volume of liquid to flow through the capillary of the viscometer at 25 ° C and 1013.25 hPa. Is calculated. As the capillary viscometer, a model such as Ubbelohde or Cannon-Fenske is generally used.

<Calculation method of kinematic viscosity>
Kinematic viscosity (mm ² / s) = Outflow time (second) x Viscometer constant

  A commercially available product can be used as the component (D) .Specifically, 1cs to 1000cs of the silicone KF-96A series released by Shin-Etsu Chemical Co., Ltd., and silicone SH200 Fluid released by Dow Corning Toray Co., Ltd. Series 1CS-100CS, 2-1184 Fluid, TSF451 series 30-300 sold by Momentive Performance Materials Japan, and Element14 PDMS series 5-J-1000-J.

  The content of the component (D) in the oil-in-water emulsified composition is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, from the viewpoint of suppressing stickiness, improving skin familiarity, and improving cosmetic paste. Is 0.4% by mass or more, preferably 5% by mass or less, more preferably 3% by mass or less, and further preferably 2.2% by mass or less.

  The content ratio of the component (D) to the total of the components (C) and (D) [(D) / ((C) + (D))] improves the stability over time and suppresses odor. From the viewpoint of suppressing stickiness, adapting to the skin, and improving cosmetic paste, from the viewpoint, it is 0.05 or more, preferably 0.07 or more, more preferably 0.1 or more, and 0.45 or less, preferably 0.35 or less. Or less, more preferably 0.28 or less.

[Component (E): straight-chain saturated higher alcohol having 14 to 24 carbon atoms]
The oil-in-water emulsion composition of the present invention may further contain, as component (E), a linear saturated higher alcohol having 14 to 24 carbon atoms. Such a higher alcohol is an alcohol represented by the formula ROH (R is a linear alkyl group having 14 to 24 carbon atoms). These higher alcohols are solid at 35 ° C. and are distinguished from liquid higher alcohols. Component (E) improves the stability over time, improves spreadability at the time of application, and from the viewpoint of improving the moisturizing effect, the number of carbon atoms is preferably 14 or more, more preferably 16 or more, and still more preferably 18 or more. Also, it is preferably 22 or less, more preferably 20 or less.

  Specific examples include myristyl alcohol, cetyl alcohol, stearyl alcohol, aralkyl alcohol, behenyl alcohol, and carnavir alcohol, and any one of them can be used alone, or two or more can be used in appropriate combination. Among these, from the above viewpoint, one or more selected from cetyl alcohol, stearyl alcohol, aralkyl alcohol and behenyl alcohol are preferable, and one or two selected from cetyl alcohol and stearyl alcohol is more preferable. . Further, the component (E) preferably contains stearyl alcohol.

  The content of the component (E) in the oil-in-water emulsion composition is preferably 0.1% by mass or more, more preferably 0.2% by mass or more, still more preferably 0.5% by mass or more, and more preferably Is 5% by mass or less, more preferably 3% by mass or less, and still more preferably 1.5% by mass or less.

[Component (F): polar oil liquid at 35 ° C]
The oil-in-water emulsion composition of the present invention may further contain a polar oil which is liquid at 35 ° C as the component (F). In the present invention, the polar oil that is liquid at 35 ° C. is a substance that is liquid at 35 ° C. and has a solubility in water (1013.25 hPa, 20 ° C.) of less than ₂ g / 100 g H ₂ O. These polar oils include ester oils, ether oils, fatty acids, higher alcohols and the like. Here, being liquid at 35 ° C. means that the viscosity at 35 ° C. is 10,000 mPa · s or less. The viscosity was measured using a B-type viscometer (Vismetron viscometer: Model VS-A1 (manufactured by Shibaura System Co., Ltd.)) under a pressure of 1 atm and 35 ° C., spindle number 3, 12 rpm (rotation / minute), 30 seconds. Is measured.

  Examples of the ester oil include straight-chain or branched-chain fatty acids, and esters composed of straight-chain or branched-chain alcohols or polyhydric alcohols, from the viewpoint of improving stability over time, skin familiarity, improving cosmetic paste, and suppressing odor. Can be

  Among them, from the above-mentioned viewpoints, aliphatic mono- or dicarboxylic acids having 8 to 22 carbon atoms are preferable as the fatty acids forming the ester, and alcohols having 3 to 18 carbon atoms and ester oils are preferable as the alcohol constituting the ester oil. The polyhydric alcohol to be formed is preferably a divalent to pentavalent polyhydric alcohol having 3 to 5 carbon atoms.

  Specific examples of the ester oil include isopropyl myristate, cetyl octanoate, octyl dodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, isocetyl myristate, decyl oleate, hexyl decyl dimethyl octanoate, myristyl lactate, Lanolin acetate, isocetyl stearate, isocetyl isostearate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid ester, N-alkyl glycol monoisostearate, neopentyl glycol dicaprate, diisostearyl malate, di-2-heptyl Glycerin undecanoate, trimethylolpropane tri-2-ethylhexanoate, trimethylolpropane triisostearate, pentaerythyl tetra-2-ethylhexanoate Lit, glyceryl tri-2-ethylhexanoate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, diethylhexyl naphthalenedicarboxylate, alkyl benzoate (12 to 15 carbon atoms), cetearyl Isononanoate, glyceryl tri (caprylic acid / capric acid), butylene glycol (dicaprylic / capric acid), glyceryl triisostearate, glyceryl tri-2-heptylundecanoate, glyceryl tricoconut fatty acid, methyl ester of castor oil fatty acid, oleic acid Oleyl, 2-heptylundecyl palmitate, diisobutyl adipate, N-lauroyl-L-glutamic acid-2-octyldodecyl ester, di-2-heptylundecyl adipate, ethyl laurate, diethylhexa sebacate 2-hexyldecyl myristate, 2-hexyldecyl myristate, 2-hexyldecyl palmitate, 2-hexyldecyl adipate, diisopropyl sebacate, di-2-ethylhexyl succinate, 2-ethylhexyl paramethoxycinnamate, dipivalin Acid tripropylene glycol and the like.

  Among these, from the above-mentioned viewpoints, diethylhexyl sebacate, diisopropyl sebacate, 2-ethylhexyl paramethoxycinnamate, octyldodecyl myristate, isocetyl myristate, neopentyl glycol dicaprate, tri (caprylic acid / capric acid) One or more selected from glyceryl, glyceryl triisostearate, glyceryl tripalmitate, glyceryl tri-2-heptylundecanoate and glyceryl tricocoate are preferred, and glyceryl tri (caprylic acid / caprate), octyl myristate are preferred. One selected from dodecyl, isocetyl myristate, neopentyl glycol dicaprate, diethylhexyl sebacate, diisopropyl sebacate and 2-ethylhexyl paramethoxycinnamate And more preferably at least one selected from glyceryl tri (caprylate / caprate), neopentyl glycol dicaprate, isocetyl myristate, octyldodecyl myristate and 2-ethylhexyl paramethoxycinnamate. More preferred.

  The ester oil may be derived from animal and vegetable oils, and the origin and type of the animal and plant, the extraction site and the compression site, the extraction method, the compression method, and the like can be used without any particular limitation. Examples of animal and plant-derived ester oils include olive oil, macadamia nut oil, meadowfoam oil, castor oil, safflower oil, sunflower oil, avocado oil, canola oil, ginger oil, rice germ oil, rice bran oil, shea butter, and the like. Among these, from the above viewpoint, one or more selected from olive oil, meadowfoam oil, macadamia nut oil, rice bran oil and shea butter are preferable, and one type selected from macadamia nut oil, rice bran oil and shea butter Or two or more types are more preferable, and one or two types selected from macadamia nut oil and shea butter are still more preferable.

  Examples of the ether oil include dialkyl ethers, and specifically, dihexyl ether, dicaprylyl ether, cetyl-1,3-dimethylbutyl ether and the like. Of these, dicaprylyl ether and cetyl-1,3-dimethylbutyl ether are preferred from the above viewpoint, and cetyl-1,3-dimethylbutyl ether is more preferred.

  Specific examples of fatty acids include capric acid, capric acid, oleic acid, isostearic acid, and undecylenic acid. Among these, from the above viewpoints, one or two selected from linear or branched saturated fatty acids having 8 to 11 carbon atoms, unsaturated fatty acids having 8 to 20 carbon atoms, and branched saturated fatty acids having 12 to 20 carbon atoms. At least one kind is preferable, and one or more kinds selected from unsaturated fatty acids having 14 to 20 carbon atoms and branched saturated fatty acids having 14 to 20 carbon atoms are more preferable. Further, it is preferable to include a branched saturated fatty acid having 14 to 20 carbon atoms as the fatty acid.

  Specifically, one or more selected from oleic acid and isostearic acid are preferred. Further, it is preferable to include isostearic acid as a fatty acid.

  Specific examples of the higher alcohol include octyl alcohol, decyl alcohol, lauryl alcohol, oleyl alcohol, and isostearyl alcohol. Of these, from the above-mentioned viewpoints, one selected from linear or branched saturated higher alcohols having 8 to 13 carbon atoms, unsaturated higher alcohols having 8 to 20 carbon atoms, and branched saturated higher alcohols having 14 to 20 carbon atoms. Species or two or more are preferable, and one or more selected from unsaturated higher alcohols having 14 to 20 carbon atoms and branched saturated higher alcohols having 14 to 20 carbon atoms are more preferable. Further, it is preferable to include a branched saturated higher alcohol having 14 to 20 carbon atoms as the higher alcohol.

  Specifically, one or more selected from oleyl alcohol and isostearyl alcohol are preferred. Further, it is preferable to include isostearyl alcohol as the higher alcohol.

  As the polar oil of the component (F), the IOB value is preferably 0.05 or more, from the viewpoint of improving stability over time, suppressing odor, suppressing stickiness, adapting to the skin, and improving makeup paste, and 0.07. More preferably, it is the above. Further, the IOB value is preferably 1.5 or less, more preferably 0.8 or less, and further preferably 0.4 or less.

  The IOB value is an abbreviation of Inorganic / Organic Balance (inorganic / organic ratio), and is a value indicating the ratio of the inorganic value to the organic value, and an index indicating the degree of polarity of the organic compound. It becomes. The IOB value is specifically expressed as “IOB value = inorganic value / organic value”. Here, each of the “inorganic value” and “organic value” is, for example, “organic value” is 20 for one carbon atom in the molecule, and “inorganic value” is 100 for one hydroxyl group in the molecule. As described above, `` inorganic value '' and `` organic value '' are set according to various atoms or functional groups, and `` inorganic value '' and `` organic value '' of all atoms and functional groups in the organic compound are set. Can be calculated to obtain the IOB value of the organic compound (see, for example, Fujita, “Region of Chemistry”, Vol. 11, No. 10, pp. 719 to 725, 1957).

  The polar oil of the component (F) can be used alone or in an appropriate combination of two or more. The content of the component (F) in the oil-in-water emulsion composition is preferably 0.5% by mass, from the viewpoint of improving stability over time, suppressing odor, suppressing stickiness, adapting to the skin, and improving makeup paste. The above is more preferably 1% by mass or more, still more preferably 1.5% by mass or more, and preferably 10% by mass or less, more preferably 8% by mass or less, and still more preferably 5% by mass or less.

[Component (G): hydrocarbon]
The oil-in-water emulsion composition of the present invention may further contain a hydrocarbon as the component (G).

  The hydrocarbon of the component (G) is not limited as long as it is generally used in cosmetics. Examples thereof include α-olefin oligomers, liquid paraffin, light isoparaffin, light liquid isoparaffin, liquid isoparaffin (liquid polyisobutylene), and heavy And linear or branched hydrocarbon oils such as liquid isoparaffin, squalane, and squalene. These liquid hydrocarbons can be used alone or in an appropriate combination of two or more. Among them, one kind selected from α-olefin oligomer, light isoparaffin, light liquid isoparaffin, liquid isoparaffin, heavy liquid paraffin, liquid paraffin, and squalane, from the viewpoint of suppressing stickiness, improving skin familiarity, and improving cosmetic paste. Or two or more are preferred, and one or more selected from α-olefin oligomers, light isoparaffin, light liquid isoparaffin, liquid isoparaffin, liquid paraffin and squalane are more preferable, and α-olefin oligomer, light isoparaffin, light fluid One or more selected from isoparaffin, liquid isoparaffin and squalane are more preferred.

  The content of the component (G) in the oil-in-water emulsion composition is preferably 0.1% by mass or more, more preferably 0.2% by mass, from the viewpoint of improving skin finish, suppressing odor, and improving stability over time. As described above, the content is more preferably 0.4% by mass or more, preferably 5% by mass or less, more preferably 1.5% by mass or less, and still more preferably 1% by mass or less.

  Further, the content ratio by mass of the component (B) to the component (G) [(B) / (G)] is preferably 0.5 or more from the viewpoint of suppressing odor, suppressing stickiness, adapting to the skin, and improving makeup. , More preferably 1 or more, further preferably 2.5 or more, and preferably 11 or less, more preferably 9 or less, and still more preferably 6 or less.

[Component (H): water]
The oil-in-water emulsion composition of the present invention contains water as the component (H). The content of the component (H) in the oil-in-water emulsion composition is preferably 50% by mass or more from the viewpoint of forming an oil-in-water emulsion system, reducing stickiness, improving skin familiarity, and improving cosmetic paste. % By mass or more, more preferably 70% by mass or more, further preferably 92% by mass or less, more preferably 88% by mass or less, even more preferably 85% by mass or less. Specifically, it is preferably 50 to 92% by mass, more preferably 60 to 88% by mass, and still more preferably 70 to 85% by mass.

[Other optional ingredients, etc.]
The oil-in-water emulsion composition of the present invention includes a surfactant other than the component (B), a water-soluble polymer, a polyhydric alcohol, a sequestering agent, a neutralizing agent, a pH adjuster, an antioxidant, and ultraviolet scattering. It can contain various raw materials commonly used in cosmetics, such as agents, antibacterial agents, drugs, and various extracts.

  As the surfactant other than the component (B), known surfactants such as an anionic surfactant, a cationic surfactant, a nonionic surfactant other than the component (B), and an amphoteric surfactant can be used. The irritation occurs, and the temporal stability of the oil-in-water emulsion composition may decrease. Therefore, the content of the surfactant other than the component (B) in the oil-in-water emulsion composition is preferably 1% by mass or less. , 0.5% by mass is more preferable, 0.1% by mass is more preferable, and it is further preferable that it is not substantially contained.

  Examples of the water-soluble polymer include a water-soluble cationic polymer, an anionic polymer, a nonionic polymer, an amphoteric polymer, and a dipolar polymer.

  Specific examples of the cationic polymer include hydroxyethyl cellulose (polyquaternium-10) having an O- [2-hydroxy-3- (trimethylammonio) propyl] group and (vinylpyrrolidone-dimethylaminomethylethyl methacrylate). Polymer diethyl sulfate (polyquaternium-11), methylvinylimidazolium chloride / vinylpyrrolidone copolymer and the like can be mentioned.

  Specific examples of the anionic polymer include carboxyvinyl polymer, carboxymethylcellulose, carrageenan, xanthan gum, polystyrene sulfonate, agar, gatch gum, karaya gum, pectin, alginate salt, and also acrylic acid / alkyl methacrylate copolymer, (acrylic) Na / acryloyldimethyltaurine Na) copolymer, hyaluronic acid or alkali metal salts thereof.

  Specific examples of the nonionic polymer include cellulose ethers (hydroxybutylmethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, ethylhydroxyethylcellulose, hydroxyethylcellulose, etc.), propylene glycol alginate, polyacrylamide, poly (ethylene oxide) , Polyvinyl alcohol, polyvinyl pyrrolidone, amylose, hydroxyethyl amylose, and mixtures thereof.

  Specific examples of the amphoteric polymer or the bipolar polymer include octylacrylamide / acrylate / butylaminoethyl methacrylate copolymer, polyquaternium-47, and polyquaternium-43.

  These can be used alone or in combination of two or more. From the viewpoint of suppressing stickiness and improving stability with time, carboxyvinyl polymer, acrylic acid / alkyl methacrylate copolymer, xanthan gum, hydroxypropylmethylcellulose, polyacrylamide, (Na acrylate / Na acryloyldimethyltaurine) copolymer and hyaluronic acid Or one or more selected from alkali metal salts thereof, more preferably one or two or more selected from carboxyvinyl polymer, acrylic acid / alkyl methacrylate copolymer and xanthan gum, and carboxyvinyl polymer And one or more selected from acrylic acid and alkyl methacrylate copolymers.

  From the above viewpoint, the content of the water-soluble polymer in the oil-in-water emulsion composition is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, still more preferably 0.08% by mass or more, and 3% by mass. Is preferably not more than 1% by mass, more preferably not more than 0.5% by mass.

  Examples of the polyhydric alcohol include glycols such as ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, and 1,3-butylene glycol; glycerin, diglycerin, and polyglycol. Glycerin; saccharides such as sorbitol and maltitol. These polyhydric alcohols can be used alone or in appropriate combination of two or more.

  Among these, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, 1,3-butylene glycol, glycerin, diglycerin, sorbitol, from the viewpoint of suppressing creaking and stickiness, having good skin familiarity and improving stability over time And one or more selected from maltitol, and one or two or more selected from propylene glycol, dipropylene glycol, 1,3-butylene glycol, glycerin, diglycerin, sorbitol and maltitol More preferably, one or more selected from dipropylene glycol, 1,3-butylene glycol, glycerin, diglycerin, sorbitol and maltitol are further preferred.

  From the above viewpoint, the content of the polyhydric alcohol in the oil-in-water emulsion composition is preferably 1% by mass or more, more preferably 5% by mass, and preferably 15% by mass or less, and more preferably 12% by mass or less. preferable.

Drugs include vitamin A oil, retinol, retinol palmitate, inosit, pyridoxine hydrochloride, benzyl nicotinate, nicotinamide, dl-α-tocopherol nicotinate, vitamin D ₂ (ergocasiferol), dl-α-tocopherol, Vitamins such as dl-α-tocopherol acetate, pantothenic acid and biotin; amino acids such as arginine, aspartic acid, tranexamic acid, cystine, cysteine, methionine, serine, leucine and tryptophan; anti-inflammatory agents such as allantoin and azulene; arbutin and the like Whitening agents; astringents such as zinc oxide and tannic acid; cooling agents such as L-menthol and camphor; and sulfur.

  The above-mentioned drugs can be used in a free state, those capable of forming a salt can be used in the form of an acid or base salt, and those having a carboxylic acid group can be used in the form of an ester thereof.

  As various kinds of extract, there are a dokudami extract, an oak extract, a melilot extract, a bonito extract, a liquorice extract, a peony extract, a sabonso extract, a loofah extract, a kina extract, a saxifrage extract, a klara extract, a kohone extract, a fennel extract, a primrose extract, a rose extract. , Jiao extract, lemon extract, sicon extract, aloe extract, shobu root extract, eucalyptus extract, horsetail extract, sage extract, thyme extract, tea extract, seaweed extract, cucumber extract, clove extract, raspberry extract, melissa extract, carrot extract, carrot extract , Marronnier extract, peach extract, peach extract, mulberry extract, cornflower extract, hamamelis extract, placenta extract, thymus extract, silk extract, etc. .

  Further, if necessary, appropriate fragrances, pigments, and the like can be added to the oil-in-water emulsion composition of the present invention as long as the emulsion stability is not impaired.

  The use of the oil-in-water emulsion composition of the present invention is arbitrary, but it can be suitably used for cosmetics, pharmaceuticals, quasi-drugs and the like. Specifically, hair cosmetics such as shampoos, rinses and conditioners; skin cosmetics such as facial cleansers, cleansing cosmetics, lotions, emulsions, beauty creams, foundation cosmetics, sunscreen cosmetics, packs, massage cosmetics; It can be suitably used as an external medicine such as an ointment or cream containing various drugs. In particular, the oil-in-water emulsion composition of the present invention has no sticky feeling or slimy feeling, and therefore can be suitably used as a skin cosmetic, preferably skin excluding the scalp, more preferably face, body, any of limbs and the like. It can be used by applying it to crab.

  The dosage form of the oil-in-water emulsion composition of the present invention is arbitrary, and is prepared as a liquid, emulsion, gel, spray, mousse or the like.

<Production method>
The oil-in-water emulsion composition of the present invention can be produced by a predetermined procedure according to the form. For example, the method for producing an oil-in-water emulsion composition of the present invention may include a step of mixing components (A) to (H) together.
Further, the production method of the oil-in-water emulsion composition of the present invention, component (A), component (B), component (C), component (D), component (E), component (F) and component (G) Heating the oil phase containing 50 to 90 ° C., more preferably 55 to 85 ° C., and stirring;
Heating and stirring the aqueous phase containing component (H), preferably at 50-90 ° C., more preferably 55-85 ° C.,
Step 3 of mixing the preparation of Step 1 and the preparation of Step 2 may be included.

Examples 1 to 17 and Comparative Examples 1 to 9
According to the formulations shown in Tables 1 to 3, oil-in-water emulsion compositions were prepared.

(Production method)
1. Heat components 1 to 20 to 80 ° C. and stir and mix uniformly.
2. Heat ingredients 21-26 to 80 ° C and stir and mix uniformly.
3. Add the preparation of step 2 to the preparation of step 1 and emulsify using a homomixer (5000 rpm, 5 minutes) under heating at 80 ° C.
4. Remove heat and cool to 50 ° C., then add ingredients 27 and 28 to the preparation of step 3 and disperse uniformly with a homomixer (3500 rpm, 2 minutes).
5. Cool to room temperature (25 ° C).

  These oil-in-water emulsified compositions were evaluated by performing (1) stability test over time (high temperature and low temperature) and (2) functionality test of the preparation. The results are shown in Tables 1 to 3.

(1) Temporal stability test 80 mL of the oil-in-water emulsified composition described in Tables 1 to 3 was put in a 100 mL glass bottle and sealed, and each sample was stored in a thermostat at 45 ° C for 3 months. Based on the condition immediately after preparation, the change in appearance after three months was visually judged based on the following criteria.

：: No problem △: Very slight separation (oil separation, water separation, etc.) is observed ×: Clear separation (oil separation, water separation, etc.) is observed

  Similarly, 80 mL of the oil-in-water emulsion composition described in Tables 1 to 3 was put into a 100 mL glass bottle, sealed, and each sample was stored in a -10 ° C constant temperature bath for 3 months. Based on the condition immediately after preparation, the change in appearance after three months was visually judged based on the following criteria.

: No problem △: Extremely slight excessive solidification / crystal precipitation observed ×: Clear excessive solidification / crystal precipitation observed

(2) Sensory test
Ten evaluation panelists evaluated "no smell" and "no stickiness", "good skin familiarity", and "good make-up glue". The evaluation results are shown by the average score of 10 evaluation panelists.

(No smell)
Check the odor of the sample immediately after preparation described in Tables 1 to 3, except for those in which the odor derived from the component (A) is felt (those corresponding to the following evaluation criteria 2 and 1), and put 80 mL in a 100 mL glass bottle. It sealed and each sample was stored in the 45 degreeC thermostat for 3 months. Thereafter, the sample was opened and the presence or absence of odor of the sample was checked, and the sample was evaluated based on the following evaluation criteria. In addition, in the sample immediately after preparation, those in which an odor derived from the component (A) was felt were not evaluated, and are indicated by “−”.
(Evaluation criteria)
3: No odor derived from component (A) is felt 2: Smell odor that can be distinguished from odor derived from component (A) 1: Feel odor derived from strong component (A)

(No stickiness, good skin familiarity, good makeup glue)
Immediately after preparation, 2 g of the sample described in Tables 1 to 3 was uniformly applied to the back of the hand, and the following evaluation criteria were used to evaluate non-stickiness, good skin familiarity, and good make-up.

-Non-stickiness (evaluation criteria)
5: No stickiness 4: Slightly sticky 3: Slightly sticky 2: Strongly sticky 1: Very strong sticky

・ Good skin familiarity (evaluation criteria)
5: Very good skin familiarity 4: Good skin familiarity 3: Somewhat good skin familiarity 2: Bad skin familiarity 1: Very poor skin familiarity

・ Good makeup paste (evaluation criteria)
5: Very good makeup glue 4: Good makeup glue 3: Slightly good makeup glue 2: Bad makeup glue 1: Very bad makeup glue

* 1: Squalane extract, 0.4% by mass of dry solids, 370 ppm of spiroether compound
* 2: PHOSPHOLIPID PCSH70 (phosphatidylcholine content 70% by mass), manufactured by Nippon Seika
* 3: COATSOME NC-21 (phosphatidylcholine content 95% by mass), manufactured by NOF Corporation
* 4: FZ-209, manufactured by Dow Corning Toray
* 5: KF-56A, manufactured by Shin-Etsu Chemical Co., Ltd.
* 6: KF-96A-5cs (kinematic viscosity 5mm ² / s, 25 ° C), manufactured by Shin-Etsu Chemical Co., Ltd.
* 7: KF-96A-20cs (kinematic viscosity 20 mm ² / s, 25 ° C), manufactured by Shin-Etsu Chemical Co., Ltd.
* 8: KF-96A-100cs (kinematic viscosity 100 mm ² / s, 25 ° C), manufactured by Shin-Etsu Chemical Co., Ltd.
* 9: KF-96A-200cs (kinematic viscosity 200mm ² / s, 25 ° C), manufactured by Shin-Etsu Chemical Co., Ltd.
* 10: Syntalen L, manufactured by Wako Pure Chemical Industries

  In addition, the fragrance | flavor used by the above-mentioned Example and the comparative example is the following floral-type compounded fragrance | flavor formulations. In addition, 1% DPG, 5% DPG, and 10% DPG described in the component names mean that the active ingredient content of the fragrance is 1% by mass, 5% by mass, and 10% by mass, respectively, of a dipropylene glycol solution. Show.

Floral blended fragrance prescription (Component) Content (% by mass)
Bergamot oil (natural fragrance) 2.0
Linalool acetate 1.5
Methyl anthranilate 0.2
Pettigrain oil (natural fragrance) 0.5
Auranthiol 10% DPG (Schiff base of hydroxycitronellal and methyl anthranilate) 1.0
Amyl allyl glycolate 1% DPG 0.5
Galvanum oil 1% DPG (natural fragrance) 0.1
Blackcurrant Buzz Absolute 10% DPG (natural fragrance) 1.5
Taget oil 10% DPG (natural fragrance) 0.8
Ylang Ylang Oil Extra (Natural Flavor) 2.0
Benzir acetate 5.0
Methyl dihydrojasmonate 13.0
Sis Jasmon 10% DPG 1.0
Jasmine Absolute (natural fragrance) 0.5
Indole 5% DPG 0.5
Alphahexylcinnamic aldehyde 1.5
L-citronellol 0.5
Rose oil (natural fragrance) 0.5
Rose Absolute (natural fragrance) 0.5
Damacenone 1% DPG 0.5
L-rose oxide 1% DPG 0.5
Dimethyl benzyl carbonyl acetate 1.0
Hydroxycitronellal 3.0
Liral (compound name: 4- (4-hydroxy-4-methylpentyl) -3-cyclohexene-1-carboxyaldehyde) 3.5
Cyclamenaldehyde (compound name: 2-methyl-3- (4-isopropylphenyl) -propanol) 0.5
Alpha isomethylyonone (compound name: 5- (2,2,6-trimethyl-2-cyclohexenyl) -3-methyl-3-buten-2-one) 4.0
Oris concrete 10% DPG (natural fragrance) 0.8
Methyl eugenol 0.5
Iso E super (compound name: 7-acetyl-1,2,3,4,5,6,7,8-octahydro-1,1,6,7-tetramethylnaphthalene) 2.5
Belt Fix Cool (compound name: 4-acetyl-trimethyl-6,8α-ethano-1,2,3,5,6,7,8,8α-octahydronaphthalenone) 4.0
Vetiver acetate 2.0
Sandalwood oil (natural fragrance) 1.5
Bagdanol 10% DPG (compound name: 2-ethyl-4- (2,2,3-trimethyl-3-cyclopenten-1-yl) -2-buten-1-ol) 1.0
Patchouli oil 10% DPG (natural fragrance) 0.2
Ebernil 10% DPG (compound name: methyl-2,4-dihydroxy-3,6-dimethylbenzoate) 1.5
Garak Solid 50% Benzyl benzoate (Compound name: 4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopentabenzopyran) 10.0
Cyclopentadecanolid 4.0
Heliotropin 0.5
Coumarin 0.5
Vanillin 10% DPG 0.5
Ethyl vanillin 10% DPG 2.5
Raspberry ketone 10% DPG (compound name: 4- (4-hydrophenyl) -2-butanone) 0.5
Gamma Undecalactone 10% DPG 1.5
Gamma decalactone 10% DPG 1.5
Love Dunham Absolute 10% DPG (natural fragrance) 0.5
Dipropylene glycol balance

  Hereinafter, Formulation Examples of the present invention are shown. In each case, the same effect as that of the embodiment is obtained.

Formulation Example 1 (Emulsion)
(Component) Content (% by mass)
1. Oil-soluble chamomile extract (* 1) 0.5
2. Hydrogenated soybean phospholipid (* 2) 0.5
3. Diphenylsiloxyphenyl trimethicone (* 4) 3.0
4. Dimethicone (20cs) (* 11) 0.2
5. Dimethicone (100cs) (* 8) 0.2
6. Behenyl alcohol 0.05
7. Stearyl alcohol 0.35
8. Neopentyl glycol dicaprate 2.0
9. Octyldodecyl myristate 1.0
Ten. Carboxyvinyl polymer (* 10) 0.15
11． Dipropylene glycol 5.0
12． Edetate disodium 0.05
13. Dehydrodicresol 0.01
14. Suitable amount of potassium hydroxide
15． Water remaining
16． Phenoxyethanol 0.3
17． Fragrance 0.01
18． Seaweed extract (* 12) 0.3

* 1, * 2, * 4, * 8, and * 10 are the same as Tables 1, 2, and 3.
* 11: KF-96A-20cs (kinematic viscosity 20 mm ² / s, 25 ° C), manufactured by Shin-Etsu Chemical Co., Ltd.
* 12: ALARIANE (Aralia Escrenta Extract), manufactured by Biotech Marine

(Production method)
1. Heat and stir the oil phase of components 1-9 at 80 ° C.
2. Heat the oil phase of components 10-15 at 80 ° C and stir.
3. The aqueous phase is added to the oil phase, mixed using a homomixer (5000 rpm, 3 minutes), and then cooled.
4. After cooling to 70 ° C., add components 16 and 17 and mix using a homomixer (5000 rpm, 1 minute).
5. After the dispersion, the cooling is started again, cooled to 40 ° C., the component 18 is added, and mixed using a homomixer (3500 rpm, 1 minute).
6. Then, cool to 30 ° C to complete.

Formulation Example 2 (cream)
(Component) Content (% by mass)
1. Oil-soluble chamomile extract (* 1) 0.5
2. Hydrogenated soybean phospholipid (* 2) 1.0
3. Diphenylsiloxyphenyltrimethicone (* 4) 7.0
4. Dimethicone (100cs) (* 8) 1.0
5. Methyl trimethicone (* 13) 1.0
6. Stearyl alcohol 1.0
7. Neopentyl glycol dicaprate 3.5
8. Isocetyl myristate 1.0
9. Jojoba oil 0.5
Ten. Carboxyvinyl polymer (* 10) 0.2
11． Methyl paraben 0.1
12． Dipropylene glycol 5.0
13. Concentrated glycerin 5.0
14. Sorbitol solution (70% aqueous solution of sorbitol) 2.0
15． Edetate disodium 0.05
16． Dehydrodicresol 0.01
17． Suitable amount of potassium hydroxide
18． Water remaining
19. Phenoxyethanol 0.3
20. Fragrance 0.05
twenty one. Seaweed extract (* 12) 1.0
twenty two. Fire thorn extract (* 14) 0.1

* 1, * 2, * 4, * 8, * 10, * 12 are the same as Table 1, Table 2, and Table 3.
* 13: TMF-1.5 (kinematic viscosity 1.5 mm ² / s, 25 ° C), manufactured by Shin-Etsu Chemical Co., Ltd.
* 14: Fire thorn, manufactured by Maruzen Pharmaceutical Co., Ltd.

(Production method)
1. Heat and stir the oil phase of components 1-9 at 80 ° C.
2. Heat and stir the aqueous phase of components 10-18 at 80 ° C.
3. The aqueous phase is added to the oil phase, mixed using a homomixer (5000 rpm, 3 minutes), and then cooled.
4. After cooling to 70 ° C., add Component 19 and Component 20 and disperse using a homomixer (5000 rpm, 1 minute).
5. After the dispersion, cooling is started again, cooled to 40 ° C., and the components 21 and 22 are added, and mixed using a homomixer (3500 rpm, 1 minute).
6. Then, cool to 30 ° C to complete.

Claims (5)

It contains the following components (A) to (D), and the content ratio of the component (D) to the total of the components (C) and (D) [(D) / ((C) + (D))] is 0.05. An oil-in-water emulsion composition having a value of 0.45 or more.
(A) Oil-soluble chamomile extract
(B) 5.5 wt% 0.5 wt% or more phospholipids oil-in-water emulsion composition less
(C) Methylphenyl polysiloxane
(D) Dimethylpolysiloxane liquid at 25 ° C   The oil-in-water emulsion composition according to claim 1, wherein the content ratio [(C) / (B)] of the component (C) to the component (B) is from 1 to 45.   3. The oil-in-water emulsion composition according to claim 1, further comprising, as component (E), a linear saturated higher alcohol having 14 to 24 carbon atoms.   Furthermore, as component (G), it contains a hydrocarbon, and the content mass ratio of component (B) to component (G) [(B) / (G)] is 0.5 or more and 11 or less. 2. The oil-in-water emulsion composition according to claim 1.   The oil-in-water emulsion composition according to any one of claims 1 to 4, wherein the content of the component (A) as a dry solid content is 0.00004% by mass or more and 0.02% by mass or less.