JP5727855B2 - Eyelash cosmetics - Google Patents

Description

  The present invention relates to eyelash cosmetics.

The mascara is applied to the eyelashes or the eyelashes that are laid upward with a buller, and is further used by curling the eyelashes by repeatedly applying the mascara solution by lifting the eyelashes with a brush. After application, it is completed by drying at room temperature. After completion, the shape of the eyelashes is fixed with a mascara film, and the curled state is maintained.
Therefore, the curl shape obtained by fixing with mascara returns to the state of the eyelashes which are not curled so much when the mascara is removed by washing. Therefore, it is necessary to take care of curling the eyelashes every day.

  In mascara, it is very important that the obtained curl lasts, and various eyelash cosmetics having high curl-up effect and curl lasting effect have been studied. However, these are all sustained effects at the time of applying mascara, and the curl effect after washing has hardly been studied. For example, Patent Document 1 describes a method for maintaining curl in a keratin-like substance, which includes applying a composition containing a retention effective amount of transglutaminase to a keratin-like substance such as hair or eyelashes. It is.

JP 2009-108085 A

  An object of the present invention is to provide an eyelash cosmetic that maintains curling even after the mascara is washed.

  The present inventor has found that if fanylalanine is added to the eyelash cosmetic, the effect of curling the eyelash immediately after application (hereinafter referred to as the curl effect) is high, and the curling continues until after washing.

  The present invention provides an eyelash cosmetic containing phenylalanine.

  The eyelash cosmetic of the present invention has a high curling effect immediately after application, and the curling continues even after washing.

In an Example, sectional drawing at the time of evaluating the curl effect after application | coating is shown.

Phenylalanine used in the present invention is a kind of amino acid and may be used in cosmetics, but examples of blending in eyelash cosmetics are not known.
In this invention, it is preferable to mix | blend phenylalanine 0.01-15 mass% with respect to the mass of the water in eyelash cosmetics, 0.05-10 mass%, Furthermore, 0.05-2 mass% contains. This is preferable because the curling effect immediately after coating and the curling effect after washing are high, and it is difficult to make a finished dull. The solubility of phenylalanine in water is about 3 g / 100 g at 20 ° C., but it is preferably contained in a dissolved state from the point of finish.

Phenylalanine is preferably contained in the total composition of the eyelash cosmetic in an amount of 0.0001 to 14% by mass, 0.001 to 10% by mass, 0.001 to 6% by mass, especially 0.05 to 2% by mass. % Content is more preferable.
The eyelash cosmetic of the present invention can be any of water, W / O type, and O / W type, but the content of phenylalanine is 0.01 in the total composition in the case of water. -5 mass%, preferably 0.01-2 mass%, and in the case of W / O type, it is 0.005-0.3 mass% in the total composition, especially 0.01-0.2 mass%. In the case of mass% and O / W type, the total composition is preferably 0.005 to 8 mass%, more preferably 0.01 to 2 mass%.

  In the present invention, in the case of an aqueous system, water is preferably contained in an amount of 43 to 99.99% by mass, and more preferably 70 to 99.99% by mass. Moreover, in the case of a W / O type, it is preferable to contain 1-40 mass% in the whole composition, it is more preferable to contain 2-25 mass%, and also 3-15 mass%. In the case of the O / W type, the total composition preferably contains 30 to 85% by mass, more preferably 40 to 75% by mass, and even more preferably 50 to 65% by mass.

The eyelash cosmetic of the present invention can further contain a wax (solid fat) usually used in cosmetics, and can obtain a higher curl effect.
The wax means a water insoluble having a melting point of 40 ° C. or higher. Those having a melting point of 60 to 110 ° C. are preferred, and animal waxes, vegetable waxes, mineral waxes, synthetic waxes and the like can be used.
Specific examples include rice bran wax, carnauba wax, candelilla wax, sunflower seed wax, beeswax, ceresin, paraffin wax, microcrystalline wax, polyethylene wax, silicone wax, and hydrogenated jojoba oil. Among these, hydrogenated jojoba oil is preferable for the W / O type, and high-melting microcrystalline wax (melting point: 83 to 100 ° C.) is preferable for the O / W type. As the high melting point microcrystalline wax, HNP-0190 (melting point: 87 to 93 ° C.) manufactured by Nippon Seiki Co., Ltd. can be used.

  One or more kinds of wax can be used, and it is preferably contained in the total composition in an amount of 2 to 30% by mass, more preferably 5 to 25% by mass, and more preferably 8 to 20% by mass. So it is more preferable.

In addition, the cosmetic of the present invention can contain a thickener usually used in cosmetics in the oil phase in order to curl up and hold the eyelashes.
Examples of the thickener include organically modified clay minerals such as disteardimonium hectorite, disteadimonium bentonite, dimethyl distearyl ammonium hectorite, and dimethyl distearyl ammonium bentonite. These are used as a premix gel in which a polar additive such as ethanol or propylene carbonate and a solvent are added and dispersed in advance, so that the subsequent workability is further improved.
One or more organically modified clay minerals can be used, and 0.05 to 20% by mass, and further 0.3 to 15% by mass in the total composition provides a sufficient thickening effect and is finished. In addition, the storage stability is good and preferable.

Moreover, as a thickener, dextrin fatty acid esters, such as dextrin palmitate, etc. can also be used. Dextrin fatty acid ester also has an effect of suppressing crystallization of wax. As a commercially available product, Leo Pearl KL2 manufactured by Chiba Flour Milling Co., Ltd. can be used.
One or more dextrin fatty acid esters can be used, and 0.05 to 20% by mass, and further 0.3 to 10% by mass in the total composition is effective for thickening and wax crystallization inhibition. This is preferable.

The eyelash cosmetic of the present invention can be an O / W emulsion composition or a W / O emulsion composition, and can contain various surfactants for emulsification.
The surfactant is not limited as long as it can stably emulsify, and a silicone surfactant, a nonionic surfactant and the like can be used.

  Examples of silicone surfactants include alkyl glyceryl ether-modified silicones, polyoxyethylene / methyl polysiloxane copolymers, dimethicone polyols, alkyl dimethicone polyols, cross-linked alkyl polyether-modified silicones, and the like. Ether-modified silicone and polyoxyethylene / methylpolysiloxane copolymer are preferred. Specifically, SH-3775M manufactured by Toray Dow Corning Silicone Co., Ltd. or the like can be used as a product described in the production example of JP-A-5-39208 or a commercial product.

  Examples of the nonionic surfactant include polyoxyethylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene fatty acid glycerin ester, alkyl glyceryl ether, fatty acid polyoxyethylene hydrogenated castor oil, and the like. In the case of the W / O type emulsion composition, those having about HLB 4 to 9 are preferable, and in the case of the O / W type emulsion composition, those having about HLB 11 to 16 are preferable.

  As the surfactant used here, one or more kinds can be used, and it is preferable to contain 0.1 to 10% by mass in the whole composition.

  In addition to water, the aqueous phase in the present invention can contain an aqueous solvent such as a lower alcohol having 1 to 4 carbon atoms, and can contain a film agent, an inorganic salt, and other various additives. Examples of the film agent include water-soluble polymers such as polyvinyl alcohol, hydroxyethyl cellulose, polyvinyl pyrrolidone, carboxymethyl cellulose, and starch.

  Furthermore, a fast-drying film-forming polymer emulsion can be contained for the purpose of further improving the makeup holding and the curl-up effect. Examples of such film-forming polymer emulsions include homopolymer emulsions and copolymer emulsions of alkyl esters of acrylic acid and methacrylic acid, alkyl acrylate / styrene copolymer emulsions, polyvinyl acetate polymer emulsions, vinyl acetate / alkyl acrylate emulsions, Examples include silicone polymer emulsions, and alkyl acrylate copolymer emulsions are more preferable.

In this invention, it is preferable to contain a volatile oil agent from the point of a drying rate.
The volatile oil agent means an oil agent having a boiling point of 300 ° C. or less at normal pressure, and volatile hydrocarbon oil and volatile silicone oil are preferable. Specific examples include volatile hydrocarbon oils such as isododecane and hydrogenated polyisobutene; and volatile silicone oils such as octamethyltrisiloxane, decamethyltetrasiloxane, octamethylcyclotetrasiloxane, and decamethylcyclopentasiloxane. Among these, isododecane and saturated isoparaffinic hydrocarbon oil (hydrogenated polyisobutene) mainly having 8 to 16 carbon atoms are preferable. As commercial products, Marcazole R manufactured by Maruzen Petrochemical Co., Ltd., IP Solvent 1620 manufactured by Idemitsu Kosan Co., Ltd., and the like 2028 can be used.

  Although content in particular of a volatile oil agent is not restrict | limited, It is preferable that it is 1-90 mass% in the whole composition, and also 10-70 mass%.

The cosmetic of the present invention can further contain a non-volatile liquid oil usually used in cosmetics.
Examples of such non-volatile liquid oils include hydrocarbon oils such as liquid isoparaffin and squalane; branched fatty acids such as isostearic acid; higher alcohols such as cetyl alcohol and octyldodecanol; isopropyl isostearate, octyldodecyl isostearate and isonanoic acid. Examples include isotridecyl, neopentyl glycol dicaprate, diisostearyl malate, jojoba oil, castor oil, macadamian nut oil, olive oil, rapeseed oil, coconut oil, soybean oil, cottonseed oil, and sunflower oil.

  One or more kinds of non-volatile liquid oils can be used, and 0.1 to 20% by mass, and further 0.5 to 15% by mass in the total composition is cleansing property and finish at the time of coating. To preferred.

  Further, it is preferable to contain magnesium sulfate as an inorganic salt from the viewpoint of improving high-temperature storage stability and suppressing lumps during coating. Magnesium sulfate is preferably contained in the total composition in an amount of 0.001 to 7 mass%, more preferably 0.05 to 3 mass%.

  In addition to the above components, the eyelash cosmetic of the present invention is a component commonly used in cosmetics, for example, PMMA, nylon powder, silica and other spherical powders; white pigments, organic pigments, inorganic pigments, iron oxide, mica titanium, etc. Pigment powder; powders such as bentonite, talc, kaolin and the like, and fibers can be included to enhance the long rush effect.

  These powders should be surface-treated with silicone, higher fatty acid, higher alcohol, fatty acid ester, metal soap, amino acid, alkylsilane, acrylic silicone, fluorine compound, etc., or encapsulated in organic or inorganic microcapsules. Can do. When various powders are contained in the oil phase, the surface of the powder is preferably subjected to hydrophobic treatment such as alkylsilane treatment or silicone treatment in order to improve dispersibility and high-temperature storage stability.

  In addition, the eyelash cosmetic of the present invention can contain an ultraviolet absorber, an ultraviolet scattering agent, a moisturizing agent, a pigment, a fragrance, an antioxidant, a sequestering agent, and the like.

  When the eyelash cosmetic of the present invention is an emulsified composition, the solid content concentration in the oil phase is 10 to 70% by mass, and more preferably 30 to 60% by mass, so that the film strength is sufficiently expressed and the volume It is excellent in feeling, storage stability and finish are also preferable. In the present invention, solid content is a component that is solid or semi-solid at 25 ° C. in a single state, and in addition to wax, a film agent, a thickener, and a powder dispersed in an oil phase. Body, pigments, fibers, preservatives and the like.

The eyelash cosmetic of the present invention can be produced by uniformly mixing and stirring each component according to a normal method.
The eyelash cosmetic of the present invention preferably has a pH of 3 to 8 and more preferably a pH of 3 to 6 at 25 ° C.

  The eyelash cosmetic of the present invention uses an applicator such as a brush obtained by twisting a fiber normally used in mascara with a wire, an applicator such as a comb shape or a coil shape, or a resin molded brush formed into a brush shape using a resin. Can be applied to eyelashes.

  The eyelash cosmetic of the present invention can be applied as eyelash cosmetic liquid, mascara base, mascara and the like.

  In the eyelash cosmetic of the present invention, the continuous phase is preferably in the form of an aqueous phase. This is because when the eyelash cosmetic is applied, phenylalanine dissolved in water can first act on the eyelashes.

The eyelash cosmetic of the present invention containing phenylalanine can obtain a curling effect only by applying to the eyelashes, but by curling the eyelashes using an eyelash curler such as a buller or a hot eyelasher before or after application, A high curl effect can be obtained. Furthermore, after applying the eyelash cosmetic of the present invention to the eyelashes, further applying an eyelash cosmetic containing wax, a higher curl effect can be obtained.
When phenylalanine and a wax are contained as a component of the eyelash cosmetic of the present invention, a high curl effect can be obtained as a mascara.
In any case, the curl effect obtained by applying the eyelash cosmetic of the present invention persists even after the eyelash cosmetic is removed by washing, and the sustained effect is enhanced by repeated use. .

The evaluation methods performed in the examples are as follows.
(1) Curling effect after application (hair test):
Take three hairs of 1 to 1.5 cm in length, fix them horizontally, and set them as shown in FIG. To this hair, a mascara brush (outer diameter 5.5 mm, nylon (4 mil), swordfish diameter 3.4 mm) was applied with 10 eyelash cosmetics, and the curl angle of the hair from the horizontal plane was measured. The measurement was performed 3 times, and the average value was evaluated as the warp angle.

(2) Curling effect after washing (hair test):
The eyelash cosmetic was applied by the method described in (1) above and dried at room temperature for 8 hours. The hair was washed with water, and the curl angle of the hair from the horizontal plane was measured. The measurement was performed 3 times, and the average value was evaluated as the warp angle.
However, when Examples 8 to 9 and Comparative Example 2 were applied, they were washed with an oil cleansing agent before washing with water.

(3) Curl effect after application (use evaluation):
The eyelash cosmetic was applied to the eyelashes 30 times, and the curl effect was evaluated. The evaluation was performed by 10 women, and the applied women evaluated the curling effect of their own eyelashes.
A: Nine or more of 10 evaluated that the curling effect after application was high.
A: Six to eight out of ten people evaluated that the curl effect after coating was high.
A: 3 to 5 out of 10 people evaluated that the curl effect after application was high.
X: 2 or less out of 10 people evaluated that the curl effect after application was high.

(4) Curl effect after cleaning (use evaluation):
The eyelash cosmetic was applied 30 times to the eyelashes, washed 8 hours later, and the curl effect was evaluated. The evaluation was performed by 10 women, and the applied women evaluated the curling effect of their own eyelashes.
A: Nine or more of 10 people evaluated that the curling effect after washing was high.
A: 6 to 8 out of 10 people evaluated that the curling effect after washing was high.
A: 3 to 5 out of 10 people evaluated that the curling effect after washing was high.
X: Two or less of 10 persons evaluated that the curling effect after washing was high.

(5) Finish:
About the hair which apply | coated mascara by the method as described in said (1), the dama generation | occurrence | production state was visually observed with the specialized panelist, and the following determination was performed.
◎◎: Can't get rid of.
A: Dama is slightly produced, but the finish is not greatly affected.
○: Slight lumps are produced and the finish is affected.
X: Dama can be done.

In addition, * 1- * 18 in the table | surface of an Example are as follows.
* 1: Pure Chemical Co., L-phenylalanine * 2: Daicel Chemical Industries, HEC Daicel SE400
* 3: CRODA JAPAN, BEES WAX-S (melting point 60-67 ° C)
* 4: Celerica NODA, deodorized and purified carnauba wax No. 1 (melting point 80-86 ° C)
* 5: Celerica NODA, rice wax F-1 (melting point: 75-80 ° C.)
* 6: Mitsuba Trading Co., Ltd., refined candelilla wax SR-2 (melting point 68-72 ° C)
* 7: Chiba Flour Mills, Leopard KL2
* 8: Momentive Performance Materials Japan, SR-1000
* 9: Nippon Emulsion Co., EMALEX RWIS-315EX
* 10: Miyoshi Kasei Co., Ltd., SA-Black BL-100
* 11: Sanei Pharmaceutical Trading Co., Ltd., Arabic Call SS
* 12: AGC S-Itech, Sunsphere H-51
* 13: NSC Japan, Yodosol GH34F (Polymer solid content 42%)
* 14: Hayashibara, pullulan for cosmetics (average molecular weight 200,000)
* 15: Daido Kasei Co., Ltd., Vinizole 2140L (46% polymer solids)
* 16: Elementis Japan, BENTON38V
* 17: Nippon Seikisha, HNP-0190 (melting point 87-93 ° C)
* 18: Koei Kogyo Co., Ltd., extremely hydrogenated jojoba oil (melting point 66-70 ° C.)

Examples 1-7 and Comparative Example 1
Water-based eyelash cosmetics having the composition shown in Table 1 were produced by uniformly stirring and mixing the components, and the curl effect after application, the curl effect after washing, and the finish were evaluated. The results are also shown in Table 1.

Examples 8 and 9 and Comparative Example 2
W / O eyelash cosmetics having the composition shown in Table 2 were produced by uniformly stirring and mixing the components, and the curl effect after application, the curl effect after washing, and the finish were evaluated. The results are also shown in Table 2.

Examples 10 to 17 and Comparative Example 3
O / W eyelash cosmetics having the compositions shown in Table 3 were produced by uniformly stirring and mixing the components, and the curling effect after application, the curling effect after washing, and the finish were evaluated. The results are also shown in Table 3.

Examples 18 and 19
After applying a combination as shown in Table 4, ie, eyelash cosmetic containing phenylalanine and not containing wax, subsequently applying eyelash cosmetic containing no phenylalanine and containing wax, followed by curl effect, washing Later curl effects and finish were evaluated. The results are also shown in Table 4.

Examples 20-22
Combinations shown in Table 5, that is, after applying eyelash cosmetics containing phenylalanine and not containing wax, curls the eyelashes using a buhler, and if necessary, containing wax without phenylalanine Applying eyelash cosmetic. After these treatments, the curling effect after coating, the curling effect after washing and the finish were evaluated. The results are also shown in Table 5.

Examples 23-25
The O / W type eyelash cosmetics having the composition shown in Table 6 and the W / O type eyelash cosmetics shown in Table 7 were produced by uniformly stirring and mixing the respective components.
All the obtained eyelash cosmetics had a high curling effect immediately after application, and the curling persisted even after washing.

Claims (5)

An eyelash cosmetic of an O / W type emulsified composition containing phenylalanine and a wax, and containing a high melting point microcrystalline wax having a melting point of 83 to 100 ° C. in the wax .   The eyelash cosmetic according to claim 1, comprising phenylalanine in an amount of 0.01 to 15% by mass relative to the mass of water. The eyelash cosmetic according to claim 1 or 2, wherein the phenylalanine content is 0.005 to 8 mass% in the entire composition. The eyelash cosmetic according to any one of claims 1 to 3, wherein the content of the wax is 2 to 25 mass% in the entire composition. A method for applying eyelashes, which comprises applying the eyelash cosmetic according to any one of claims 1 to 4 and curling the eyelash using an eyelash curler.