JP6678004B2 - Emulsified cosmetic - Google Patents

Description

  The present invention relates to an emulsified cosmetic applied to the skin and the like.

  The chamomile extract has a whitening effect, a photoaging inhibitory effect, a collagen production promoting effect, a hair nourishing effect, an ATP production promoting effect, a skin barrier function improving effect, a cell differentiation promoting effect, a collagen gel contraction promoting effect, a pore contraction effect, etc. Since it has many physiological actions, it is blended in skin cosmetics, hair cosmetics, bath additives and the like (Patent Documents 1 to 5 and the like).

  In addition, aqueous cosmetics, oily cosmetics, and emulsified cosmetics have been adopted as cosmetics containing a chamomile extract and other plant extracts (Patent Documents 1 to 5, etc.).

JP-A-7-25742 JP-A-8-73324 JP-A-8-92056 JP-A-10-72336 JP 2007-161666 A

However, among the cosmetics containing the chamomile extract, the emulsified cosmetic has a good feeling in use, but is satisfactory in terms of the slight odor of the raw material derived from the chamomile extract, the feel when applied to the skin, and the like. Was not.
Therefore, an object of the present invention is to provide a cosmetic containing a chamomile extract, in which the raw material odor is improved and the usability is further improved.

  Therefore, the present inventor has manufactured an emulsified cosmetic by blending a chamomile extract and an oil agent, and has variously studied the feeling of use and aroma thereof, and adopted an oil-soluble chamomile extract as the chamomile extract. It has been found that an emulsified cosmetic composition obtained by blending an oil agent and a specific glycerin derivative can provide an emulsified cosmetic composition having good fragrance, less stickiness and good elongation on the skin, and completed the present invention. .

That is, the present invention provides the following components (A), (B), (C) and (D):
(A) an oil-soluble chamomile extract,
(B) oil agent 0.1 mass% or more and 16 mass% or less,
(C) a glycerin derivative represented by the general formula (1): 0.1 to 8% by mass, and
Gly- [O- (PO) _a- (EO) _b- (BO) _c H] ₃ (1)
(In the formula, Gly represents a group obtained by removing a hydroxyl group from glycerin, PO represents an oxypropylene group, EO represents an oxyethylene group, and a and b are average addition mole numbers of PO and EO, respectively. 50, the mass ratio of PO to EO (PO / EO) is 1/5 to 5/1, BO is an oxyalkylene group having 4 carbon atoms, c is the average number of moles of BO added, 1 to 5)
(D) An emulsified cosmetic containing water is provided.

  The emulsified cosmetic of the present invention contains a chamomile extract, has a good fragrance, has little stickiness, has good elongation on the skin, and has an excellent feeling in use.

  The (A) oil-soluble chamomile extract used in the present invention is an extract of chamomile with an oil-soluble solvent, and includes both an extract with an oil-soluble solvent and a product obtained by drying the extract to form a dry powder. From the viewpoint of improving various physiological effects, it is preferable to use the extract as an extract with an oil-soluble solvent.

  Chamomile is the Japanese name of the annual plant chamomile (scientific name: Matricaria recutita or Matricaria chamomilla) of the genus Asteraceae (Compositeae). There are various closely related species of chamomile, but German chamomile is preferable from the viewpoint of physiological action. The extraction site of chamomile may be any of whole grass, stem, leaf and flower, but a flower is more preferable in terms of physiological action and aroma.

The solvent used for extracting the oil-soluble chamomile extract may be oil-soluble, but a lipophilic organic solvent is preferred from the viewpoint of obtaining an extract having excellent physiological action.
As the lipophilic organic solvent, 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 thereof. 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 lipophilic organic solvent used for the extraction. In the present invention, an extract using squalane as a lipophilic organic solvent is particularly preferred because it gives an excellent physiological effect. The SP value refers to a measure of the compatibility between substances, and is determined by calculating Hansen's three-dimensional solubility parameter based on 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, it is preferable to add 1 to 100 times by mass the lipophilic organic solvent with respect to the chamomile flower to the pulverized dried chamomile flower and perform stirring and extraction at 10 to 90 ° C for 1 to 96 hours. The temperature can be appropriately set depending on the type of the lipophilic organic solvent.

  The oil-soluble chamomile extract used in the present invention includes components such as camazulene, umbelliferone, 7-methoxycoumarin, matricin, maticalin, taraxasterol, upole, apiin, and a spiroether compound represented by the following formula (2). It is included.

(Including both Z and E isomers)

Among these components, it is preferable to contain a spiro ether compound (2) from the viewpoint of obtaining a physiological effect such as an effective whitening effect.
In the present invention, the content of the spiroether compound (2) in the oil-soluble chamomile extract is preferably from 10 to 500 ppm. When the content is 10 ppm or more, a physiological effect can be surely obtained, and when the content is 500 ppm or less, there is an effect of securing storage stability in the emulsified cosmetic. The content of the spiro ether compound (2) in the oil-soluble chamomile extract is more preferably from 100 to 480 ppm, further preferably from 200 to 450 ppm, further preferably from 300 to 440 ppm, and still more preferably from 360 to 420 ppm.

The content of the oil-soluble chamomile extract (A) in the emulsified cosmetic of the present invention is preferably 0.001% by mass or more as a dry solid content, and 0.0015% by mass, from the viewpoint of improving physiological effects, aroma and feeling of use. %, More preferably 5% by mass or less, more preferably 4% by mass or less, even more preferably 2% by mass or less. Specifically, the dry solid content is preferably 0.001 to 5% by mass, more preferably 0.0015 to 4% by mass, and still more preferably 0.0015 to 2% by mass.
Here, the dry solid content is the solid content obtained by drying the extract and removing the solvent, and when the solvent content is known, it is the remaining amount excluding the solvent content.

  Further, as described above, the oil-soluble chamomile extract (A) preferably contains 10 to 500 ppm of the spiroether compound (2), and the emulsified cosmetic of the present invention has a physiological effect. From the viewpoint of improving the aroma and feeling of use, the spiroether compound (2) is preferably contained at 0.01 ppm or more, more preferably at 0.02 ppm or more, and more preferably at 0.05 ppm or more. The content is more preferably 30 ppm or less, more preferably 20 ppm or less, even more preferably 10 ppm or less. Specifically, the content of the spiroether compound (2) in the emulsified cosmetic of the present invention is preferably 0.01 to 30 ppm, more preferably 0.02 to 20 ppm, and still more preferably 0.05 to 10 ppm.

  In the emulsified cosmetic of the present invention, as the oil agent (B), from the viewpoint of improving the aroma and elongation of the oil-soluble chamomile extract and suppressing stickiness, one or both of a polar oil and a non-polar oil are used. Although it contains, it is preferable to contain both. (B) When the oil agent contains a polar oil and a non-polar oil, the mass ratio of the polar oil to the non-polar oil (polar oil / non-polar oil) improves the aroma and elongation of the oil-soluble chamomile extract and suppresses stickiness. In light of this, 0.02 or more is preferable, 0.03 or more is more preferable, 0.04 or more is more preferable, 30 or less is preferable, 25 or less is more preferable, and 23 or less is more preferable. Specifically, the mass ratio is preferably from 0.02 to 30, more preferably from 0.03 to 25, still more preferably from 0.04 to 23.

  Non-polar oils include hydrocarbon oils. Examples of the hydrocarbon oil include squalane, liquid paraffin, liquid isoparaffin, and heavy liquid isoparaffin. Among these hydrocarbon oils, from the viewpoint of improving elongation, at least one selected from liquid paraffin, liquid isoparaffin and squalane is preferable, and at least one selected from liquid isoparaffin and squalane is more preferable.

Examples of the polar oil include ester oil, ether oil, silicone oil, fluorine oil, higher fatty acid, higher alcohol and the like.
Ester oils include monoester oils, diester oils, triester oils and tetraester oils. Examples of the monoester oil include monoesters of aliphatic or aromatic monocarboxylic acids or dicarboxylic acids having 2 to 24 carbon atoms. Specific examples thereof include cetyl 2-ethylhexanoate, cetyl octanoate, and isononyl isononanoate. Isotridecyl isononanoate, hexyl laurate, isopropyl myristate, octyldodecyl myristate, myristyl myristate, 2-hexyldecyl myristate, isopropyl palmitate, octyl palmitate, 2-hexyldecyl palmitate butyl stearate, isocetyl stearate , Isocetyl isostearate, decyl oleate, isodecyl benzoate, octyl methoxycinnamate, hexyldecyl dimethyloctanoate, cetyl lactate, myristyl lactate, lanolin acetate, 2-succinic acid Hexyl, 2-hexyldecyl adipate, alkyl benzoates (C12-C15), and the like. Among these, from the viewpoint of improving fragrance and elongation, at least one selected from isononyl isononanoate, isotridecyl isononanoate, isopropyl myristate and octyl methoxycinnamate is preferable, and at least one selected from isononyl isononanoate and isotridecyl isononanoate. One is more preferred.

  Examples of the diester oil include diesters of dicarboxylic acids having 3 to 18 carbon atoms, difatty acid esters of polyhydric alcohols, and the like. Specific examples include propylene glycol dicaprylate, neopentyl glycol dicaprate, glycol distearate, and diisostearate. Propylene glycol, glyceryl diisostearate, glyceryl monomyristate monoisostearate, glyceryl di-2-heptylundecanoate, di-2-ethylhexyl succinate, diisopropyl sebacate, diisostearyl malate, ethylene glycol di-2-ethylhexanoate, adipin Diisobutyl acid, di-2-heptylundecyl adipate, di-2-ethylhexyl sebacate and the like. Among these, from the viewpoint of improving fragrance and elongation, at least one selected from propylene glycol dicaprylate, neopentyl glycol dicaprate, glycol distearate and propylene glycol diisostearate is preferred, and propylene glycol dicaprylate and neocaprate neonate are preferred. At least one selected from pentyl glycol is more preferred.

  Triester oils include trifatty acid esters of trihydric or higher polyhydric alcohols. Specific examples include glycerin trimyristate, glyceryl triisopalmitate, glycerin tri-2-heptylundecanoate, and trimethylol triethylhexanoate. Examples include propane, trimethylolpropane trioctanoate, glycerin tri (caprylic / capric acid), glycerin trioleate, glycerin tri-2-ethylhexanoate, glycerin triisostearate, olive oil, and jojoba oil. Among these, from the viewpoint of improving fragrance and elongation, at least one selected from glycerin tri (caprylic / capric acid), glycerin trioleate, glycerin tri-2-ethylhexanoate and glycerin triisostearate is preferable. (Caprylic / capric acid) glycerin is more preferred. Further, the triester oil more preferably contains tri (caprylic / capric acid) glycerin.

  Examples of the tetraester oil include tetrafatty acid esters of polyhydric alcohols having a valency of 4 or more. Specific examples thereof include tetra (behenic acid / benzoic acid / ethylhexanoic acid) pentaerythrit, tetraethylhexanoate pentaerythrit, and tetraethylhexanoate. Examples thereof include pentaerythritol octoate and pentaerythritol tetra-2-ethylhexanoate. Among these, from the viewpoint of improving the aroma and elongation, at least one selected from pentaerythrit tetraethylhexanoate, pentaerythrit tetraoctanoate and pentaerythrate tetra-2-ethylhexanoate is preferable, and tetraethylhexanoate Pentaery slits are more preferred. Further, the tetraester oil more preferably contains pentaerythritol tetraethylhexanoate.

  Examples of the ether oil include dialkyl ethers, and specifically, dihexyl ether, dicaprylyl ether, cetyl-1,3-dimethylbutyl ether and the like. Among these, from the viewpoint of improving the fragrance and elongation, at least one selected from dicaprylyl ether and cetyl-1,3-dimethylbutyl ether is preferable, and cetyl-1,3-dimethylbutyl ether is more preferable. Further, the ether oil more preferably contains cetyl-1,3-dimethylbutyl ether.

  Examples of the silicone oil include methylpolysiloxane, cross-linked methylpolysiloxane, network methylpolysiloxane, dimethylpolysiloxane, dimethylcyclopolysiloxane, methylphenylpolysiloxane, and higher alcohol-modified organopolysiloxane. Among these, from the viewpoint of improving the fragrance and elongation, at least one selected from methyl polysiloxane, cross-linked methyl polysiloxane and network methyl polysiloxane is preferable, and methyl polysiloxane is more preferable. Further, it is more preferable that the silicone oil contains methylpolysiloxane.

  Examples of the fluorinated oil include fluoropolyether and perfluoroalkyl ether silicone.

  Examples of the higher fatty acids include fatty acids having 12 to 24 carbon atoms. Specifically, straight-chain saturated fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid, and behenic acid, palmitoleic acid, oleic acid, and linoleic acid And unsaturated linear fatty acids such as linolenic acid, seicosenoic acid and erucic acid, and branched saturated fatty acids such as isomyristic acid, isopalmitic acid and isostearic acid. Among these, from the viewpoint of improving fragrance and elongation, and from the viewpoint of suppressing stickiness, at least one selected from myristic acid, palmitic acid, stearic acid, and behenic acid is preferable, and at least one selected from stearic acid and behenic acid. One is more preferred.

  Examples of the higher alcohol include alcohols having 12 to 24 carbon atoms. Specifically, lauryl alcohol, myristyl alcohol, palmityl alcohol, stearyl alcohol, cetyl alcohol, butyl alcohol, kimyl alcohol, behenyl alcohol, decyltetradecanol And straight-chain saturated alcohols such as octyldodecanol, branched saturated alcohols such as isostearyl alcohol, and straight-chain unsaturated alcohols such as oleyl alcohol. Among these, fragrance, from the viewpoint of improving elongation, and from the viewpoint of suppressing stickiness, myristyl alcohol, palmityl alcohol, stearyl alcohol, cetyl alcohol, batyl alcohol, behenyl alcohol, octyl dodecanol and at least selected from isostearyl alcohol One type is preferable, and at least one type selected from myristyl alcohol, stearyl alcohol, cetyl alcohol, batyl alcohol, and behenyl alcohol is more preferable.

  The oil agent (B) in the present invention preferably contains at least one selected from ester oils, ether oils and higher alcohols from the viewpoint of suppressing stickiness, and contains at least a higher alcohol. More preferably, a higher alcohol having 12 to 24 carbon atoms is even more preferable. Further, the component (B) more preferably contains a higher alcohol having 12 to 24 carbon atoms.

The content of the oil agent (B) in the emulsified cosmetic of the present invention is such that (A) the fragrance of the oil-soluble chamomile extract is improved, the elongation of the emulsified cosmetic on the skin is improved, and the stickiness is suppressed. From a viewpoint, it is 0.1 to 16 mass%. (B) When the content of the oil agent is 0.1% by mass or more, the fragrance and elongation are improved, and when it is 16% by mass or less, the sticky feeling is suppressed, which is preferable.
From the viewpoint of improving the fragrance of the (A) oil-soluble chamomile extract, the content of the (B) oil agent is preferably 0.5% by mass or more, more preferably 1.2% by mass or more, and 15% by mass or less. Is preferable, and 14.5 mass% or less is more preferable. Specifically, it is preferably from 0.5 to 15% by mass, more preferably from 1.2 to 14.5% by mass.
From the viewpoint of improving the elongation of the emulsified cosmetic on the skin, the content of the oil agent (B) is preferably 1.1% by mass or more, more preferably 4.5% by mass or more, and further preferably 9% by mass or more. It is preferably at most 15 mass%, more preferably at most 14.5 mass%, even more preferably at most 12 mass%. Specifically, it is preferably from 1.1 to 15% by mass, more preferably from 4.5 to 13% by mass, and still more preferably from 9 to 12% by mass.
In terms of suppressing the stickiness of the emulsified cosmetic, the content of the oil agent (B) is preferably 0.5% by mass or more, more preferably 1.7% by mass or more, and preferably 13% by mass or less, and 9% by mass. % Or less is more preferable. Specifically, 0.5 to 13% by mass is preferable, and 1.7 to 9% by mass is more preferable.
(B) The content of the oil agent is preferably 0.5% by mass or more, more preferably 1.2% by mass or more, from the viewpoint of improving the fragrance and elongation of the (A) oil-soluble chamomile extract and suppressing stickiness. Is more preferably 1.7% by mass or more, still more preferably 4.5% by mass or more, further preferably 15% by mass or less, more preferably 14.5% by mass or less, and 13.5% by mass or less. More preferably, it is still more preferably 13% by mass or less. Specifically, 0.5 to 15% by mass is preferable, 1.2 to 14.5% by mass is more preferable, 1.7 to 13.5% by mass is more preferable, and 4.5 to 13% by mass is more preferable. More preferred.

  The emulsified cosmetic of the present invention contains (C) the glycerin derivative represented by the general formula (1). By containing the glycerin derivative, the elongation on the skin of the emulsified cosmetic containing (A) the oil-soluble chamomile extract is improved, and the stickiness is suppressed.

  The glycerin derivative of the component (C) used in the present invention is represented by the general formula (1), and propylene oxide and ethylene oxide are added to glycerin at a ratio of 3 to 150 molar equivalents relative to glycerin. After that, an alkylene oxide having 4 carbon atoms is added at a ratio of 3 to 15 molar equivalents to glycerin. That is, the glycerin derivative of the general formula (1) is obtained by once synthesizing an adduct of PO and EO and then adding a block alkylene oxide having 4 carbon atoms.

  The mass ratio (PO / EO) of propylene oxide (PO) and ethylene oxide (EO) is from 1/5 to 5/1 from the viewpoint of improving elongation when applied to the skin. May be in a random shape or a block shape.

  The average number of moles of propylene oxide (PO) and ethylene oxide (EO) to be added is preferably 50 or less, and more preferably 1 to 50, from the viewpoint of improving elongation when applied to the skin.

  The average addition mole number of the alkylene oxide (BO) having 4 carbon atoms is preferably in the range of 1 to 5 from the viewpoint of improving elongation when applied to the skin.

  Examples of the alkylene oxide having 4 carbon atoms include 1,2-butylene oxide, 2,3-butylene oxide, and tetramethylene oxide (tetrahydrofuran). Among these, 1,2-butylene oxide is preferred from the viewpoint of improving elongation when applied to the skin, availability, ease of reaction control, and the like.

  Usually, when these alkylene oxides are added to glycerin, the addition reaction is performed using an alkali catalyst, a phase transfer catalyst, a Lewis acid catalyst, or the like. Generally, it is preferable to use an alkali catalyst such as potassium hydroxide.

  Specific examples of the component (C) include those in which the average addition mole number of (EO) is 8, the average addition mole number of (PO) is 5, and the average addition mole number of (BO) is 3. And polyoxybutylene polyoxyethylene polyoxypropylene glyceryl ether (3BO) (8EO) (5PO) are preferred. As a commercial product thereof, Willbride S-753 (manufactured by NOF CORPORATION) can be used.

The content of the component (C) in the emulsified cosmetic of the present invention is: (A) the point of improving the fragrance of the oil-soluble chamomile extract, the viewpoint of improving the elongation of the emulsified cosmetic on the skin, and suppressing the stickiness. From a viewpoint, it is 0.1 to 8 mass%. When the content of the component (C) is 0.1% by mass or more, the fragrance and elongation are improved, and when it is 8% by mass or less, the elongation on the skin is improved.
(A) From the viewpoint of improving the aroma of the oil-soluble chamomile extract, the content of the component (C) is preferably 0.2% by mass or more, more preferably 0.3% by mass or more, and 6% by mass or less. , Preferably 4% by mass or less. Specifically, 0.2 to 6% by mass is preferable, and 0.3 to 4% by mass is more preferable.
From the viewpoint of improving the elongation of the emulsified cosmetic on the skin, the content of the component (C) is preferably at least 0.2% by mass, more preferably at least 0.3% by mass, and at least 0.4% by mass. Is more preferably 6% by mass or less, more preferably 4% by mass or less, and even more preferably 3.5% by mass or less. Specifically, 0.2 to 6% by mass is preferable, 0.3 to 4% by mass is more preferable, and 0.4 to 3.5% by mass is further preferable.
In light of suppressing the stickiness of the emulsified cosmetic, the content of the component (C) is preferably equal to or greater than 0.3% by mass, more preferably equal to or greater than 0.7% by mass, and is preferably equal to or less than 6% by mass. 5 mass% or less is more preferable. Specifically, 0.3 to 6% by mass is preferable, and 0.7 to 5.5% by mass is more preferable.
The content of the component (C) is preferably 0.3% by mass or more, and more preferably 0.4% by mass or more, from the viewpoint of improving the fragrance and elongation of the (A) oil-soluble chamomile extract and suppressing stickiness. Is more preferably 0.6% by mass or more, still more preferably 0.7% by mass or more, further preferably 6% by mass or less, more preferably 5.5% by mass or less, still more preferably 4% by mass or less, 3.5 mass% or less is more preferable. Specifically, 0.3 to 6% by mass is preferable, 0.4 to 5.5% by mass is more preferable, 0.6 to 4% by mass is more preferable, and 0.7 to 3.5% by mass is more preferable. preferable.

In addition, the mass ratio (B / C) of the component (B) to the component (C) of the emulsified cosmetic of the present invention is (A) the improvement of the fragrance of the oil-soluble chamomile extract, the improvement of the elongation of the emulsified cosmetic, and the stickiness. Is preferably 0.1 or more, more preferably 0.3 or more, still more preferably 0.5 or more, still more preferably 0.6 or more, further preferably 50 or less, more preferably 45 or less, and more preferably 45 or less. The following is more preferable, and 20 or less is still more preferable. Specifically, 0.1-50 is preferable, 0.3-45 is more preferable, 0.5-40 are more preferable, and 0.6-20 are still more preferable.
(A) From the viewpoint of improving the aroma of the oil-soluble chamomile extract, B / C is preferably at least 0.3, more preferably at least 0.6, further preferably at most 35, more preferably at most 30. Specifically, 0.3 to 35 is preferable, and 0.6 to 20 is more preferable. From the viewpoint of improving elongation on the skin, B / C is preferably 0.6 or more, more preferably 1.5 or more, and preferably 35 or less, and more preferably 30 or less. Specifically, 0.3 to 35 is preferable, and 0.6 to 30 is more preferable.
From the viewpoint of suppressing the tackiness of the emulsified cosmetic, B / C is preferably 0.3 or more, more preferably 0.6 or more, and preferably 35 or less, and more preferably 20 or less. Specifically, 0.3 to 35 is preferable, and 0.6 to 20 is more preferable.

In addition, the mass ratio (A / C) of the component (A) (dry solid content) to the component (C) of the emulsified cosmetic of the present invention is intended to improve the fragrance and elongation of the component (A), and from the viewpoint of suppressing the stickiness, 1 × 10 ^-4 or more, more preferably 3 × 10 ^-4 or more, more preferably 5 × 10 ^-4 or more, preferably 40 × 10 ^-4 or less, 30 × 10 ^{- 4} or less is more preferable, and 25 * 10 <^-4> or less is still more preferable. Specifically, 1 × 10 ⁻⁴ to 40 × 10 ⁻⁴ is preferable, 3 × 10 ⁻⁴ to 30 × 10 ⁻⁴ is more preferable, and 5 × 10 ^{−4 to} 25 × 10 ⁻⁴ is further preferable.

  The emulsified cosmetic of the present invention contains (D) water. (D) The content of water is preferably from 77 to 99% by mass, more preferably from 80 to 97% by mass, from the viewpoint of improving the fragrance of the oil-soluble chamomile extract, improving elongation, and suppressing stickiness. ~ 95 mass% is more preferred.

  In addition to the above-mentioned components, the emulsified cosmetic of the present invention contains (E) a surfactant, (F) a thickener, a humectant, a preservative, a medicinal component, a powder, an ultraviolet absorber, a dye, a fragrance, a component ( A plant extract other than A), a bactericide, an antiperspirant, a cooling agent, an antioxidant, an emulsion stabilizer, a pH adjuster, and the like can be added. In addition, each of these agents is not limited to the use as each agent, other uses according to the purpose, for example, using an antiperspirant as a fragrance, or in combination with other uses, for example, an antiperspirant And it can be used as one having an effect as a fragrance.

As the surfactant (E), known surfactants such as anionic surfactants, cationic surfactants, nonionic surfactants, and amphoteric surfactants can be used. A nonionic surfactant is preferred because it has a better fragrance, less stickiness, better elongation on the skin, and a more improved feeling in use. Examples of the nonionic surfactant include polyoxyethylene glycol type nonionics such as polyoxyethylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyoxyethylene hydrogenated castor oil. Surfactants, glycerin fatty acid esters, polyglycerin fatty acid esters, sorbitan monofatty acids such as sorbitan monostearate, and sucrose fatty acid esters. Among these, from the same viewpoint, one selected from polyoxyethylene sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil, and mono fatty acid sorbitan is more preferable, and polyoxyethylene hydrogenated castor oil is more preferable. Further, it is more preferable that the surfactant (E) contains polyoxyethylene hydrogenated castor oil.
The number of moles of ethylene oxide added to the polyoxyethylene hydrogenated castor oil is preferably 25 to 70, more preferably 30 to 60, and even more preferably 40 to 60, from the viewpoint of improving the usability and appearance stability. Specifically, one selected from polyoxyethylene (40) hydrogenated castor oil and polyoxyethylene (60) hydrogenated castor oil is preferred.
The content of the surfactant in the emulsified cosmetic is preferably from 0.01 to 2% by mass, more preferably from 0.05 to 1% by mass, from the viewpoint of improving the usability and the appearance stability of the emulsified cosmetic. 0.1 to 0.8% by mass is more preferred.

(F) Examples of the thickener include acrylic acid / alkyl methacrylate copolymer (also referred to as alkyl-modified carboxyvinyl polymer), acrylic acid-based polymers such as carboxyl vinyl polymer, hydroxyethyl cellulose, and highly polymerized polyoxyethylene. Among these, from the viewpoint of improving the usability such as elongation and stickiness and the appearance stability of the emulsified cosmetic, acrylic polymers are preferable, and are selected from acrylic acid / alkyl methacrylate copolymers and carboxyl vinyl polymers. Is preferred, and an acrylic acid / alkyl methacrylate copolymer is more preferred. (F) The thickener preferably contains an acrylic acid / alkyl methacrylate copolymer.
The acrylic acid polymer may be a homopolymer having a monomer selected from methacrylic acid, acrylic acid, methacrylate, acrylate, methacrylamide, and acrylamide as a structural unit or a copolymer containing two or more of these monomers. For example, alkyl-modified carboxyvinyl polymer (PEMULEN TR-1, TR-2; Lubrizol), carboxyvinyl polymer (Sintaren K, L; Wako Pure Chemical Industries, Ltd.), polyacrylamide sold by SEPPIC (SEPIGEL 305), (Na acrylate / acryloyl dimethyl taurine Na) copolymer (SIMULGEL EG), (hydroxyethyl acrylate / acryloyl dimethyl taurine Na) copolymer (SIMULGEL FL, S MULGEL NS, SEPIPLUS S, SEPI NOV EMT 10), (acrylamide / ammonium acrylate) copolymer (S EPIPLUS 265), Polyacrylate -13 (SEPIPLUS 400), and the like.
The content of the thickener with respect to the emulsified cosmetic is preferably from 0.1 to 0.6% by mass, and more preferably from 0.2 to 0%, from the viewpoint of improving the usability such as elongation and stickiness and the appearance stability of the emulsified cosmetic. 0.5 mass% is more preferable, and 0.3 to 0.4 mass% is still more preferable.

  The emulsified cosmetic of the present invention is not particularly limited as long as it is an emulsified cosmetic that is generally applied to the skin, and can be used as a base cosmetic in addition to a normal skin cosmetic. Dosage forms are commonly used and include O / W or W / O emulsions, and specific examples include emulsions, creams, packs, and gels.

  The emulsified cosmetic of the present invention comprises, for example, mixing the component (C), other water-soluble components and the component (D) to produce an aqueous phase, and mixing the components (A), (B) and the oily component. An emulsified cosmetic can be obtained by producing an oil phase and heating and mixing the aqueous phase and the oil phase as needed.

  The emulsified cosmetic of the present invention can be used by applying it to the skin, preferably to the skin excluding the scalp, more preferably to any of the face, body, limbs and the like.

  Next, the present invention will be described in more detail with reference to examples.

Examples 1-28 and Comparative Examples 1-4
The components shown in Tables 1 to 3 were emulsified to produce emulsified cosmetics (O / W). That is, the aqueous phase components (components (C), (D), (E), (F) and others) are heated and mixed at 80 ° C. On the other hand, the oil phase components (components (A) and (B)) are heated and mixed at 80 ° C. At 80 ° C., the oil phase was added to the water phase and mixed with a propeller stirrer (300 rpm) to emulsify the oil phase and further mixed with a homomixer (1500 rpm) to reduce the size of the emulsified particles. Thereafter, the homomixer was stopped, and the mixture was cooled to 30 ° C. while mixing with a propeller stirrer (300 rpm) to obtain an emulsified cosmetic. Using the obtained emulsified cosmetic, fragrance and feeling of use were evaluated.

<Evaluation method>
(1) Evaluation of aroma One expert panelist thoroughly washed hands with a commercially available unscented facial cleanser (Curel foam facial cleanser, manufactured by Kao Corporation) and thoroughly wiped with a towel. Then, place 0.1 mL of the emulsified cosmetic on the back of one hand and draw a circle with a diameter of 6 cm, one rotation per second using three fingers other than the thumb and little finger of the other hand and the first to third joints. After 60 seconds, the smell of the back of the hand to which the emulsified cosmetic was applied after 60 seconds was evaluated. The case where no raw material odor was felt at all was rated 5 and the case where raw material odor was felt very much was 1.

(2) Evaluation of feeling of use (a) Elongation at the time of application The emulsified cosmetic was applied to the back of the hand in the same manner as in the method of evaluating the fragrance. In the first 5 seconds when the emulsified cosmetic was started to be stretched, 5 cases where no resistance was felt and 1 case where resistance was extremely felt were evaluated on a 5-point scale.
(B) Sticky skin after application The emulsified cosmetic was applied to the back of the hand in the same manner as in the evaluation method of the fragrance. After stretching the emulsified cosmetic with the back of the hand for 60 seconds, press the other finger against the back of the hand to which the emulsified cosmetic is applied, and move it horizontally, when the skin does not stick to the hand in the horizontal direction. The case where the skin was very sticking in the horizontal direction was set to 1, and the evaluation was performed on a 5-point scale.

* 1: Effective component of chamomile KSQ (Maruzen Pharmaceutical Co., Ltd., spiro ether 370 ppm)
* 2: Including solvent in oil-soluble chamomile extract
* 3: Will Bride S-753 (manufactured by NOF CORPORATION)
* 4: Emanone CH-60 (manufactured by Kao Corporation)
* 5: PEMULEN TR-1 POLYMERIC EMULSIFIER (US) (Belgium) (manufactured by Lubrizol Advanced Materials, Inc.)
* 6: Chamois liquid (Ichimaru Falcos)

  As shown in Tables 1, 2 and 3, (A) 0.1 to 16% by mass of an oil agent, (C) 0.1 to 8% by mass of a glycerin derivative, and (D) in an oil-soluble chamomile extract The emulsified cosmetic containing water has a good fragrance of the component (A), a good elongation on the skin, a low stickiness and a good feeling upon use. On the other hand, the emulsified cosmetics (Comparative Examples 3 to 5) in which the content of the glycerin derivative (C) exceeds 8% by mass did not have satisfactory fragrance and did not have sufficient elongation. (B) The emulsified cosmetics containing 16% by mass or more of the oil agent (Comparative Examples 1 and 2) were sticky and had a poor feeling upon use.

Example 29 (Lotion)

* 7: Silicone KF-96A-6CS (Shin-Etsu Chemical Co., Ltd.)
* 8: Falco Rex Altea (Ichimaru Falcos)
* 1, * 2, * 3 and * 4 are the same as above.

Example 33 (Emulsion)

* 9: SPE-104NB (manufactured by Kao Corporation)
* 10: Nikkor SMT (Nippon Surfactant Industries)
* 11: Carbopol 981 POLYMER (Lubrizol Advanced Materials, Inc.)
* 1, * 2, * 3, * 7 and * 8 are the same as above.

Example 30 (cream)

  * 1, * 2, * 3, * 4, * 8, * 10 and * 11 are the same as above.

Example 31 (Serum)

* 12: Cetyl-1,3-dimethylbutyl ether of Synthesis Example 3 described in JP-A-9-67241
* 1, * 2, * 3, * 4 and * 8 are the same as above.

Example 32 (Serum)

* 13: Silicone KMP-590 (Shin-Etsu Chemical Co., Ltd.)
* 1, * 2, * 3, * 4 and * 8 are the same as above.

Example 33 (UV protection cosmetic)

* 14: Finsolve TN (manufactured by Innospec Active Chemicals LLC)
* 15: Silicone TSF405A (Shin-Etsu Chemical Co., Ltd.)
* 16: SIMULGEL EG (made by SEPPIC SA)
* 17: Fine particle titanium oxide MTY-110M3S (manufactured by Teica)
* 18: Fine particle titanium oxide MT-100TV (manufactured by Teica)
* 1, * 2, * 3 and * 8 are the same as above.

Claims (5)

The following components (A), (B), (C) , (D) and (E) :
(A) oil-soluble chamomile extract 0.001% by mass or more and 0.002% by mass or less as a dry solid content;
(B) oil agent 0.1 mass% or more and 16 mass% or less,
(C) a glycerin derivative represented by the general formula (1): 0.1 % by mass or more and 8% by mass or less
Gly- [O- (PO) _a- (EO) _b- (BO) _c H] ₃ (1)
(In the formula, Gly represents a group obtained by removing a hydroxyl group from glycerin, PO represents an oxypropylene group, EO represents an oxyethylene group, and a and b are average addition mole numbers of PO and EO, respectively. 50, the mass ratio of PO to EO (PO / EO) is 1/5 to 5/1, BO is an oxyalkylene group having 4 carbon atoms, c is the average number of moles of BO added, 1 to 5) ,
(D) water , and
(E) Emulsified cosmetics containing 0.1% by mass or more and 2% by mass or less of surfactant ( excluding emulsified cosmetics containing acidic mucopolysaccharides, compounds having a polyoxyalkylene group, and hydroxyalkyl ureas) ). The emulsified cosmetic according to claim 1 , wherein the component (E) contains polyoxyethylene hydrogenated castor oil . The emulsified cosmetic according to claim 1 or 2 , further comprising (F) a thickener .   The component (B) contains a polar oil and a non-polar oil, and the mass ratio of the polar oil to the non-polar oil (polar oil / non-polar oil) is 0.02 or more and 30 or less. The emulsified cosmetic according to the above. The emulsification according to any one of claims 1 to 4, wherein a mass ratio (A / C) of the component (A) (dry solid content) to the component (C) is 1 x 10 ^-4 to 40 x 10 ^-4. Cosmetics.