Hair cosmetics

The hair cosmetic formulation, with specific viscosity and components, ensures uniform application and improves hair manageability by enhancing smoothness, moisture, and shine while easing tangling.

JP7609573B2Active Publication Date: 2025-01-07KRACIE LTD
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Patent Information

Application Number
JP2020097584
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2020-06-04
Publication Date
2025-01-07
Estimated Expiration
2040-06-04

AI Technical Summary

Technical Problem

Existing hair cosmetics face challenges in uniform application and effectiveness in loosening tangled, tangled, and snagged hair.

Method used

A hair cosmetic formulation characterized by a kinematic viscosity of 10 Pa·s or less, volatile content of 50% or more, inclusion of lower alcohol, ester oils, and a lactone derivative, dispensed as a mist using a pump or aerosol container.

Benefits of technology

The formulation provides uniform application, enhances smoothness, moisture, and shine, and eases the detangling of hair, making it easier to style with tools like brushes or combs.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a hair cosmetic to be discharged in moist form, which not only give damage care effects such as smoothness, moist feeling and / or gloss to damaged hair but also allows tangled, knotted or caught hair to be easily loosened.SOLUTION: A hair cosmetic, on the basis of the whole mass of the hair cosmetic, contains (A) 30-60 mass% of a volatile oil solution whose kinetic viscosity at 25°C is 10 Pa s or less and whose volatile component in 105°C×24 hours is 50% or more, (B) a lower alcohol of 30-60 mass%, (C) one or more liquid ester oils at 20°C, and (D) a lactone derivative.SELECTED DRAWING: None
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Description

[Technical field]

[0001] The present invention relates to a hair cosmetic, and more particularly to a hair cosmetic that is discharged in a mist form and not only imparts damage care effects such as smoothness, moistness, and shine to damaged hair, but also makes it easier to separate tangled, knotted, or caught hair and makes it easier to style the hair with tools such as combs and brushes or by combing with the hands. [Background technology]

[0002] It has become common to use in-bath or out-bath treatments to treat damaged hair caused by factors such as washing, ultraviolet rays, dryness, and chemical treatments (perms, hair coloring, heat from hair dryers and irons, etc.) to give it smoothness and shine and make it easier to comb. Among these, leave-in out-bath hair cosmetics are used, and hair treatments generally available on the market are called hair essences, hair creams, hair oils, hair mists, etc.

[0003] In order to give hair excellent shine while achieving a smooth and moist finish without stickiness, ingredients such as silicone oil and ester oil are used. Furthermore, many hair cosmetics have been proposed that have good spreadability and affinity when applied to hair, but also have appropriate viscosity so that they do not drip from the hands when used (for example, Patent Document 1).

[0004] Furthermore, a hair mist cosmetic composition has been proposed that contains a copolymer containing three specific structural units, a copolymer containing two specific structural units, ethanol, and water in specific ratios for the purpose of imparting a non-sticky moisturizing feel, smoothness, and manageability to damaged hair, and also for the purpose of providing moisture to the scalp (for example, Patent Document 2). [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2019-14695 A [Patent Document 2] JP 2017-36229 A DISCLOSURE OF THEINVENTION [Problem to be solved by the invention]

[0006] However, a hair cosmetic composition having a viscosity that does not drip from the hands during use as described in Patent Document 1 has the problem that it is difficult to apply evenly to the entire hair.

[0007] On the other hand, the hair mist cosmetic composition containing water as described in Patent Document 2 has the problem that it is not sufficiently effective in loosening tangled, knotted, or caught hair.

[0008] Therefore, an object of the present invention is to provide a hair cosmetic composition that not only imparts damage care effects such as smoothness, moistness, and shine to damaged hair, but also is applied evenly over the entire hair and is ejected in a mist form to facilitate the release of tangled, knotted, or caught hair. [Means for solving the problem]

[0009] As a result of intensive research conducted by the present inventors to solve the above problems, it has been discovered that, based on the total mass of a hair cosmetic composition, (A) a kinetic viscosity at 25°C of 10 Pa·s or less and a kinetic viscosity at 105°C for 24 hours is The inventors have found that the above-mentioned problems can be solved by a hair cosmetic composition that is discharged in the form of a mist, comprising: (A) 30% to 60% by mass of a volatile oil having an volatile content of 50% or more; (B) 30% to 60% by mass of a lower alcohol; (C) one or more ester oils that are liquid at 20°C; and (D) a lactone derivative, and have thus completed the present invention.

[0010] The first invention relates to a hair cosmetic composition comprising: (A) 30% to 60% by mass of a volatile oil having a kinetic viscosity of 10 Pa s or less at 25°C and a volatile content of 50% or more at 105°C for 24 hours; (B) Lower alcohol 30% by mass to 60% by mass, (C) One or more ester oils that are liquid at 20°C (D) A hair cosmetic composition which is discharged in the form of a mist and which contains a lactone derivative.

[0011] The second invention is the hair cosmetic composition according to the first invention, which is sprayed in the form of a mist using an aerosol spray container equipped with a pump dispenser, a trigger dispenser, or an actuator. Effect of the Invention

[0012] The hair cosmetic composition of the present invention not only imparts damage care effects such as smoothness, moisturizing, and gloss to damaged hair, but also can be applied evenly to the entire hair, making it easier to separate tangled, knotted, or caught hair. Furthermore, due to such damage care effects and the effect of making hair easier to separate, it is easier to style the hair with tools such as combs and brushes or by combing with the hands. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] The present invention will be described in detail below.

[0014] [Hair cosmetics] In the present invention, the hair cosmetic is a hair cosmetic that is discharged in the form of a mist, characterized in that it contains, based on the total mass of the hair cosmetic, (A) a volatile oil having a kinetic viscosity of 10 Pa s or less at 25°C and a volatile content of 50% or more at 105°C for 24 hours, (B) a lower alcohol, (C) an ester oil that is liquid at 20°C, and (D) a lactone derivative in specific ratios. The effects of the present invention can be achieved by blending these components (A) to (D) in specific ratios. The hair cosmetic composition of the present invention may be of the leave-in type or the rinse-out type as long as it can achieve the effects of the present invention, but is preferably of the leave-in type. Here, the "leave-in type hair cosmetic" refers to a so-called leave-in type hair cosmetic that is applied to the hair and left on without being rinsed off.

[0015] In the present invention, the formulation of the hair cosmetic composition is not limited as long as the effects of the present invention can be exhibited; however, it is preferable that the hair cosmetic composition be dispensed in the form of a mist from an aerosol spray container equipped with a pump dispenser, a trigger dispenser, or an actuator.

[0016] Each component of the hair cosmetic composition of the present invention will be described in detail below.

[0017] [(A) Volatile oil] The volatile oil (A) used in the hair cosmetic composition of the present invention is a volatile oil having a kinetic viscosity at 25°C of 10 Pa·s or less and a volatile content at 105°C for 24 hours of 50% or more. In general, the volatile oil (A) is blended in hair cosmetics for the purpose of a solvent, a hair conditioning agent, or an emollient. In the present invention, the kinematic viscosity of the volatile oil can be measured by a method commonly used in the art, for example, by using an Ubbelohde viscometer according to ASTM D445-46T. In addition, in the present invention, the volatile content of the volatile oil can be measured by a method commonly used in the art, for example, by JIS0067-1992. In addition, in the present invention, the volatile oil (A) may be a commercially available product. Examples of commercially available products that can be used in the present invention include, but are not limited to, Marukasol R (manufactured by Maruzen Petrochemical Co., Ltd.), Creasil ID CG (manufactured by CIT, Sarl), Pearlream 3 (manufactured by NOF Corp.), Pearlream 4 (manufactured by NOF Corp.), KF-96L-1cs (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-96L-2cs (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-96L-5cs (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-96L-6cs (manufactured by Shin-Etsu Chemical Co., Ltd.), etc. Such volatile oils can be used alone or in combination of two or more. (A) If the kinetic viscosity of the volatile oil is 10 Pa·s or less, the hair cosmetic composition of the present invention can be discharged in a mist form from a container, and if the volatile content at 105°C for 24 hours is 50% or more, the effects of the other components of the present invention can be quickly exerted after the hair cosmetic composition of the present invention is applied to hair.

[0018] The content of the volatile oil (A) in the hair cosmetic of the present invention is 30% to 60% by mass, preferably 35% to 55% by mass, and more preferably 40% to 50% by mass, based on 100% by mass of the hair cosmetic. When the content of the volatile oil (A) in the hair cosmetic of the present invention is within this range, the hair cosmetic can be applied evenly to hair, imparting appropriate moist feeling and shine to the hair while realizing a state with little stickiness.

[0019] [(B) Lower alcohol] The lower alcohol (B) used in the hair cosmetic of the present invention is generally an alcohol having 5 or less carbon atoms, and is not particularly limited as long as it can be used in cosmetics. In general, the lower alcohol (B) is blended into the hair cosmetic for the purpose of being a solvent. Examples include ethanol, propyl alcohol, isopropyl alcohol, isobutyl alcohol, and t-butyl alcohol. Among these, ethanol is preferably used. The lower alcohol (B) can be used alone or in combination of two or more kinds in the hair cosmetic of the present invention.

[0020] The content of the lower alcohol (B) in the hair cosmetic of the present invention is 30% to 60% by mass, preferably 35% to 55% by mass, and more preferably 40% to 50% by mass, based on 100% by mass of the hair cosmetic. If the content of the lower alcohol (B) in the hair cosmetic of the present invention is less than 30% by mass, the mist spray condition tends to deteriorate. If it is 60% by mass or more, the smoothness, moist feeling, and manageability of the hair are insufficient.

[0021] [(C) Ester oil that is liquid at 20°C] The ester oil (C) that is liquid at 20°C used in the hair cosmetic composition of the present invention is an ester oil mainly composed of an ester of a fatty acid and an alcohol, and is generally blended in cosmetics for the purpose of hair conditioning agents, emollients, solubilizers, fat-adding agents, texture improvers, lubricants, surface modifiers, percutaneous absorption promoters, antioxidants, ultraviolet absorbers, etc. Examples of the ester oil (C) that is liquid at 20°C in the present invention include, but are not limited to, esters of linear higher fatty acids and lower alcohols such as isopropyl myristate, butyl myristate, isopropyl palmitate, ethyl stearate, butyl stearate, ethyl oleate, and ethyl linoleate, esters of linear higher fatty acids and linear higher alcohols such as cetyl caprylate, hexyl laurate, decyl myristate, myristyl myristate, cetyl palmitate, stearyl stearate, decyl oleate, and cetyl ricinoleate, and the like. esters of straight-chain fatty acids and branched alcohols, such as isostearyl laurate, isotridecyl myristate, isocetyl myristate, isostearyl myristate, octyldodecyl myristate, octyl palmitate, isocetyl palmitate, isostearyl palmitate, isocetyl stearate, octyldodecyl stearate, isodecyl oleate, and octyldodecyl oleate; esters of branched fatty acids and lower alcohols, such as ethyl isostearate and isopropyl isostearate; esters of branched fatty acids and straight-chain higher alcohols, such as cetyl octanoate, cetostearyl octanoate, stearyl octanoate, and hexyl isostearate; ethylene glycol dioctanoate, ethylene glycol dioleate, dika Examples of the ester include esters of fatty acids and polyhydric alcohols such as propylene glycol prolylate, propylene glycol dicaprate, propylene glycol dioleate, neopentyl glycol dicaprate, and pentaerythritol tetra-2-ethylhexanoate; esters of branched fatty acids and branched alcohols such as octyldodecyl neopentanoate, isocetyl octanoate, isostearyl octanoate, octyl isopelargonate, octyldodecyl neodecanoate, and isostearyl isostearate; lactic acid esters such as lauryl lactate, myristyl lactate, and cetyl lactate; esters of dibasic acids such as triethyl citrate, trioctyl citrate, triisocetyl citrate, diisostearyl malate, dioctyl succinate, diethyl sebacate, and dioctyl sebacate; and the like. In the present invention, the ester oil (C) that is liquid at 20° C. may be a commercially available product.Commercially available products that can be used in the present invention include, but are not limited to, Salacos 816T (manufactured by Nisshin Oillio Group, Ltd.), CEH (manufactured by Kokyu Alcohol Kogyo Co., Ltd.), Salacos 99 (manufactured by Nisshin Oillio Group, Ltd.), Salacos P-8 (manufactured by Nisshin Oillio Group, Ltd.), Salacos 5408 (manufactured by Nisshin Oillio Group, Ltd.), Salacos GE-318 (manufactured by Nisshin Oillio Group, Ltd.), EMALEX GWIS-320 (manufactured by Nihon Emulsion Co., Ltd.), EMALEX GWIS-320EX (manufactured by Nihon Emulsion Co., Ltd.), Myritol 318 (manufactured by BASF Japan Co., Ltd.), Crodamol STS (manufactured by Croda), Crodamol SFX (manufactured by Croda), Ubinal MC-80 (manufactured by BASF Japan Co., Ltd.), Parasol MCX-AS (manufactured by DSM Nutrition Japan Co., Ltd.), and the like. Such ester oils that are liquid at 20° C. can be used alone or in combination of two or more kinds.

[0022] The content of (C) the ester oil that is liquid at 20° C. in the hair cosmetic of the present invention is not particularly limited, but is preferably 1% by mass to 10% by mass, and more preferably 3% by mass to 8% by mass, based on 100% by mass of the hair cosmetic. If the content of (C) the ester oil that is liquid at 20° C. in the hair cosmetic of the present invention is 1% by mass or more, it is possible to impart hair treatment effects such as smoothness, moist feeling, gloss and manageability to hair, and if it is 10% by mass or less, excessive stickiness, which is one of the factors that cause tangling, entanglement and difficulty in separating caught hair, does not occur.

[0023] [(D) Lactone derivatives] Examples of the lactone derivative (D) used in the hair cosmetic of the present invention include γ-lactone derivatives having a 5-membered ring and δ-lactone derivatives having a 6-membered ring. These lactone derivatives are preferably derivatives in which a linear or branched saturated or unsaturated hydrocarbon group having 9 to 22 carbon atoms is added (replaced with hydrogen) to one of the carbon atoms constituting the 5-membered or 6-membered ring, and from the viewpoint of stability, a saturated hydrocarbon group is more preferable. Specific examples include nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, eicosyl group, heneicosyl group, and docosyl group. Specific examples of the substance names include γ-docosalactone, meadowfoam-δ-lactone, mevalonolactone, and gluconolactone. Among these, γ-docosalactone and meadowfoam-δ-lactone are preferred. Such lactone derivatives are generally They are blended into cosmetics as hair conditioning agents and emollients, and can be used either alone or in combination of two or more.

[0024] The content of the lactone derivative (D) in the hair cosmetic of the present invention is not particularly limited, but is preferably 0.001% by mass to 0.2% by mass, and more preferably 0.005% by mass to 0.1% by mass, based on 100% by mass of the hair cosmetic. If the content of the lactone derivative (D) in the hair cosmetic of the present invention is within this range, tangled, knotted, or caught hair can be easily loosened, while providing the hair with a moderate smoothness and moist feeling, making it easy to style.

[0025] [(E) Other ingredients] The hair cosmetic composition of the present invention is prepared by incorporating the above-mentioned components (A) to (D) as essential components into a liquid to which a solvent or the like has been added. In addition to these essential components, other components (E) that are generally incorporated into ordinary hair cosmetic compositions can also be incorporated according to the purpose, provided that the effects of the present invention are not impaired.

[0026] Examples of other components as described above include water; nonionic surfactants such as polyoxyethylene alkyl ethers, polyoxyethylene sorbitan fatty acid esters, and glycerin fatty acid esters; cationic surfactants such as stearyl trimethyl ammonium chloride and alkyl trimethyl ammonium chloride; dimethyl silicone (e.g., methyl polysiloxane, octamethyl trisiloxane, decamethyl tetrasiloxane, highly polymerized methyl polysiloxane, etc.), methyl phenyl silicone, cyclic dimethyl silicone (e.g., octamethyl cyclotetrasiloxane, decamethyl cyclopentasiloxane, methyl cyclopolysiloxane, cyclopentasiloxane, etc.), methyl hydrogen silicone, and alcohol-modified silicone (e.g., stearoxy methyl polysiloxane, Silicones other than component (A), such as alkyl-modified silicones and amino-modified silicones; higher alcohols such as cetanol and stearyl alcohol; humectants such as glycerin, propylene glycol, butylene glycol (BG), dipropylene glycol, and glycosyl trehalose; higher fatty acids such as stearic acid, behenic acid, oleic acid, isostearic acid, and 2-ethylhexanoic acid; hydrocarbons such as liquid isoparaffin, petrolatum, and squalane; anti-dandruff ingredients such as zinc pyrithione and benzalkonium chloride; cooling agents such as l-menthol and peppermint oil; almond oil, avocado oil, linseed oil, Argania spinosa kernel oil, apricot kernel oil, strawberry seed oil, perilla oil, olive oil, orange oil, rosehip oil, and apricot kernel oil, クランベアビシニカ種子油, grape seed oil, sesame seed oil, rice bran oil, camellia oil, safflower oil, shea butter, peppermint oil, soybean oil, tea seed oil, tea seed oil, camellia seed oil, rapeseed oil, sunflower seed oil, grape seed oil, hazelnut oil, jojoba oil, peach kernel oil, coconut oil, tea oil, lemon oil, rosehip oil, rosemary oil, and other vegetable oils; L-aspartic acid, L-sodium aspartate, DL-alanine, L-arginine, glycine, L-glutamic acid, L-cysteine, L-threonine, and other amino acids; liquefied petroleum gas, dimethyl ether, and other propellant gases; 12-hydroxystearic acid, dibenzylidene sorbitol, amino acid derivatives, and other low molecular weight compounds; and others, such as ultraviolet absorbers, preservatives, sugars, plant-derived extracts, animal-derived extracts, fragrances, colorants, metal ion sequestering agents, antioxidants, and various pharmaceuticals.

[0027] The hair cosmetic composition of the present invention can be used in liquid hair cosmetics such as hair lotion, hair liquid, hair mist, hair water, hair oil, etc., aerosol hair cosmetics such as hair spray, etc., and is particularly preferably used in leave-on type hair cosmetics such as hair mist, hair spray, etc. The hair cosmetic composition of the present invention can be produced by a conventional method. EXAMPLES

[0028] The present invention will be described in more detail below with reference to examples, although the present invention is not limited to these examples.

[0029] [Sample preparation] The following samples were prepared by a conventional method with the ingredients and amounts shown in Tables 1 and 2. As for other ingredients, the hair mist contained water, butylene glycol (BG), fragrance, etc., as appropriate.

[0030] [Preparation of hair samples] In order to evaluate the usefulness of the hair cosmetic composition of the present invention, first, hair was treated by the following method. Commercially available hair (10 g, 30 cm, Beaulax) was shampooed with 2 g of a 10% by mass aqueous solution of polyoxyethylene (2E.O.) lauryl ether sodium sulfate, thoroughly rinsed with hot water, bleached three times, and shampooed again. Then, the hair was towel-dried and dried with a hair dryer. Next, the hair cosmetic compositions of the examples and comparative examples shown in Tables 1 and 2 below were filled into a 100 mL container equipped with a pump-type dispenser capable of discharging 0.15 mL of mist at a time, sprayed in 0.5 g portions as hair mist, and naturally dried, and then the damage care effects on the hair, such as smoothness, moist feeling, and luster, were evaluated.

[0031] [Evaluation of hair samples] The hair samples prepared as described above were evaluated for the following indices. Comparative Example 4 is an example of a commercially available product corresponding to Patent Document 1, and Comparative Example 5 is an example of a commercially available product corresponding to Patent Document 2.

[0032] (1) Smoothness The smoothness of the hair was evaluated by measuring the dynamic friction coefficient. The dynamic friction coefficient of the hair was measured using a friction tester (KES-SE type, manufactured by Kato Tech Co., Ltd.) with a silicone sheet attached as a friction element, and the dynamic friction coefficient (MIU value) was measured under conditions of a load of 50 g and a moving speed of 1 mm / sec, and the average value of 20 hair bundles was calculated. The lower the dynamic friction coefficient, the smoother the hair. The evaluation criteria are as follows. ◎: Very good, less than 0.2 ○: Good, 0.2 or more and less than 0.3 △: Slightly bad 0.3 to less than 0.4 ×: Bad 0.4 or more

[0033] (2) Moisturizing The moisturizing feeling of the hair was evaluated by 20 expert panelists according to the following criteria: ◎: Very good - 15 or more subjects answered that it felt moist ○: Good The number of subjects who answered that it felt moist was 10 or more and less than 15. △: Slightly bad The number of subjects who answered that it felt moist was 7 or more but less than 10. ×: Bad: Fewer than 7 subjects answered that it felt moist

[0034] (3) Shine Using the SAMBA Hair System (manufactured by Bossa Nova Vision), the luster value of 20 hair bundles was measured and the average value was calculated. Note that the higher the luster value, the more lustrous the hair. The evaluation criteria are as follows: ◎: Very good, 40 or more ○: Good: 35 to less than 40 △: Slightly bad 30 to less than 35 ×: Bad, less than 30

[0035] (4) Helps untangle hair A comb was attached to the tip of a digital force gauge (DPS-5R, Imada Co., Ltd.) so that the tensile load applied when combing could be measured. Using this, the tensile combing load (kgf) of intentionally tangled hair bundles was measured 20 times, and the average value for the 20 hair bundles was calculated. The lower the load value, the easier it was for the tangled hair to come apart. The evaluation criteria were as follows: ◎: Very good, less than 1.0 ○: Good, 1.0 or more and less than 1.5 △: Slightly bad 1.5 or more and less than 2.0 ×: Bad 2.0 or higher

[0036] (5) Check the spray condition The hair cosmetic compositions of the Examples and Comparative Examples shown in Tables 1 and 2 below were filled into a 100 mL container equipped with a pump dispenser capable of discharging 0.15 mL of mist at a time, and a test was carried out to confirm the spray state when the contents were discharged. The evaluation criteria were as follows. ◎: The mist form is maintained. ○: The spray condition is slightly worse (the mist is coarse, the mist does not spread much, etc.). △: The spray condition is poor (e.g., misdirection or droplet ejection is observed). ×: Cannot be discharged (sprayed) in mist form.

[0037] The compositions and evaluation results of Examples 1 to 5 and Comparative Examples 1 to 7 are shown in Tables 1 and 2 below.

[0038] [Table 1]

[0039] [Table 2]

[0040] As is clear from Tables 1 and 2, Examples 1 to 5 relating to the hair cosmetic composition of the present invention all showed superior performance compared to the compositions of Comparative Examples 1 to 7. Therefore, it was found that the hair cosmetic composition of the present invention not only imparts damage care effects such as smoothness, moistness, and shine to damaged hair, but also exhibits excellent performance of making it easier to separate tangled, knotted, and caught hair and to make it easier to style the hair with tools such as combs and brushes or by combing the hair with the hands.

[0041] The following are examples of the formulation of the hair cosmetic composition of the present invention. The hair cosmetics of these formulation examples were also examined for the above-mentioned damage care effects on hair, such as smoothness, moist feeling, and shine, the effect of making tangled, entangled, and caught hair easier to separate and make hair easier to style with tools such as combs and brushes or by hand, and the mist state. All of the formulation examples were found to have excellent properties and were good.

[0042] Formulation example 1 (hair oil mist) (%) (1) Isododecane 45.0 (2) Ethanol 45.0 (3) Caprylic / capric triglyceride 2.0 (4) Myristic acid PPG-3 benzyl ether 1.5 (5) PEG-20 glyceryl triisostearate 1.5 (6) Diethyl sebacate 1.0 (7) Ethylhexyl methoxycinnamate 0.2 (8) γ-docosalactone 0.1 (9) BG 0.5 (10) (Bisisobutyl PEG-14 / amodimethicone) copolymer 0.5 (11) Shea butter 0.2 (12) Lactoferrin 0.2 (13) Yogurt liquid 0.2 (14) Glycyrrhizic acid dipotassium 0.2 (15) Purified water remainder

[0043] (Production method) (1), (3), (4), (6), and (7) were uniformly mixed and dissolved in (2), and (8), (10), and (11) were added. Then, a liquid in which (5), (9), (12) to (15) had been uniformly dispersed in a separate tank was added and mixed uniformly. The mixture was then filled into a pump dispenser container to prepare a hair mist.

[0044] Formulation example 2 (hairspray) (%) (1) Hydrogenated polyisobutene 35.0 (2) Ethanol 35.6 (3) Caprylic / capric triglyceride 3.0 (4) Myristic acid PPG-3 benzyl ether 2.0 (5) Isopropyl palmitate 1.0 (6) Ethylhexyl methoxycinnamate 1.0 (7) γ-docosalactone 0.1 (8) Meadowfoam-δ-lactone 0.1 (9) Dimethicone 2.0 (10) Shea butter 0.2 (11) LPG (0.2) 20.0

[0045] (Production method) (1), (3) to (6), and (9) were uniformly mixed and dissolved in (2), and then (7), (8), and (10) were added and mixed uniformly. The mixture was then poured into an aerosol container, plugged, and then (11) was added. An actuator was then attached to prepare a hairspray.

Claims

[Claim 1] Based on the total weight of the hair cosmetic, (A) 40% by mass to 50% by mass of a volatile oil having a kinetic viscosity at 25° C. of 10 Pa s or less and a volatile content at 105° C. for 24 hours of 50% or more, the volatile oil being isododecane and / or hydrogenated polyisobutene; (B) 30% by mass to 60% by mass of ethanol, (C) Myristic acid PPG-3 benzyl ether (D) γ-docosalactone Contains A hair cosmetic composition which is sprayed in the form of a mist by a pump-type dispenser or a trigger-type dispenser.

Citation Information

Patent Citations

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