Hair cosmetics

Abstract

To provide a hair cosmetic that is used by rinsing off, and has rich feeling after squeezing out water from hair, moist feeling, neat feeling and smooth feeling of finished hair.SOLUTION: A hair cosmetic used by rinsing off contains the following components (A) to (C), and a mass ratio (A) / (B) of component (A) and component (B) is 0.1 to 25. Component (A): dimethyl polysiloxane having a polymerization degree of 1,200 to 1,800, component (B): linoleamidopropyl PG-dimonium chloride phosphate dimethicone, and component (C): dimethyl polysiloxane having a polymerization degree of 80 to 800.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a hair cosmetic composition which is used by rinsing and gives a rich feeling when drained, a moist feeling, a manageable feeling and a smooth feeling when finished. [Background technology]

[0002] In recent years, with the rise in fashion consciousness, hair coloring, perms, hair irons, hot curlers, etc. have become widespread as methods for changing the appearance of hair. Although these methods make hair look attractive, they cause damage to hair due to changes in hair pH caused by acids and alkalis associated with hair coloring and perm treatments, and protein denaturation and physical stress on hair caused by high-temperature treatment associated with the use of hair irons and hot curlers. Hair damage causes problems such as dryness, lack of manageability, and snagging, reducing the attractiveness of the appearance of hair. For this reason, users are becoming more conscious of the care of hair damage, and various types of hair cosmetics for hair care have been developed in the market to meet this care consciousness.

[0003] Users who are highly conscious about hair damage tend to use a large amount of hair cosmetics at one time because they want to care for hair damage more quickly and efficiently. Generally, hair cosmetics are roughly divided into in-bath types that are applied and then washed off, and leave-in types that are applied and then used without washing off. In particular, in-bath types of hair cosmetics are applied and then washed off, so compared to leave-in-bath types of hair cosmetics, they have the advantage that they can be used without worrying about the amount applied to the hair, and can be used without worrying about the hair cosmetics splashing around, and therefore are widely used as a measure against hair damage.

[0004] When using an in-bath type hair cosmetic, the user feels that the cosmetic has been applied to the hair, and then feels the care for damaged hair from the feel of the wet hair before rinsing and drying, and the finished feel of the hair after drying.

[0005] As a technique for achieving manageable hair finish, a hair cosmetic composition that uses a combination of a silicone compound containing a phosphate group and an amino-modified silicone compound has been disclosed (Patent Document 1). Also, as a technique for achieving smoothness when rinsed off and a moist finish, a hair cosmetic composition that contains a cationic surfactant having a counter anion generated by deprotonation of a silicone modified with an anionic substituent has been disclosed (Patent Document 2). [Prior art documents] [Patent documents]

[0006] [Patent Document 1] JP 2016-210686 A [Patent Document 2] JP 2012-36165 A Summary of the Invention [Problem to be solved by the invention]

[0007] Patent Documents 1 and 2 discuss the feel of the hair when rinsed off and the finish, but do not fully discuss the feel of the hair when draining water off after rinsing, which is one of the important factors in evaluating the feel of a hair cosmetic. Specifically, they do not discuss the overall satisfaction of the softness, thickness, oiliness, filmy feel, etc. of the hair (hereinafter referred to as rich feel) felt when draining the dripping water off the wet hair by holding the wet hair in the palm after rinsing the hair cosmetic. For this reason, there is room for discussion on achieving both a good feel when draining wet hair and a good finish.

[0008] Accordingly, an object of the present invention is to provide a hair cosmetic composition which is used by rinsing and which gives a rich feeling when drained, a moist feeling, a manageable feeling and a smooth feeling when finished. [Means for solving the problem]

[0009] As a result of intensive research into solving the above-mentioned problems, the present inventors have arrived at the present invention by providing a hair cosmetic composition containing component (A) a dimethylpolysiloxane having a degree of polymerization of 1,200 to 1,800, component (B) linoleamidopropyl PG-dimonium chloride phosphate dimethicone, and component (C) a dimethylpolysiloxane having a degree of polymerization of 80 to 800, in which the mass ratio of component (A) to component (B) (A) / (B) (hereinafter referred to as (A) / (B)) is 0.1 to 25. Effect of the Invention

[0010] To provide a hair cosmetic composition which gives a rich feeling when drained, a moist feeling, a manageable feeling and a smooth feeling when finished, and is used after rinsing. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] The present invention will be described in detail below. Note that the units showing the contents are all mass % unless otherwise specified.

[0012] The present invention relates to a rinse-off cosmetic composition for hair, which contains the following components (A) to (C) and is characterized in that the (A) / (B) ratio is 0.1 to 25. Component (A) Dimethylpolysiloxane with a degree of polymerization of 1,200 to 1,800 Ingredient (B) Linoleamidopropyl PG-dimonium chloride phosphate dimethicone Component (C) Dimethylpolysiloxane with a degree of polymerization of 80 to 800

[0013] The hair cosmetic composition of the present invention contains, from the viewpoint of achieving a moist finish, component (A) a dimethylpolysiloxane having a degree of polymerization of 1,200 to 1,800 (hereinafter referred to as component (A)).

[0014] The component (A) used in the present invention is a dimethylpolysiloxane in which the degree of polymerization of the dimethylsiloxane portion is 1,200-1,800.

[0015] The content of component (A) used in the present invention is not particularly limited, but from the viewpoint of moist finish, it is preferably 0.01 to 2.5%, more preferably 0.05 to 2.5%, and even more preferably 0.1 to 2.5%. If the content of component (A) is less than 0.01%, the moist finish may not be obtained, and if the content of component (A) exceeds 2.5%, the moist finish may not be obtained.

[0016] In the present invention, the degree of polymerization refers to the number of dimethylsiloxane monomer units, which is a monomer constituting the polymer dimethylpolysiloxane.

[0017] Of the components (A) used in the present invention, a commercially available product having a degree of polymerization of 1,200 may be, for example, KF-96H-50,000cs (manufactured by Shin-Etsu Chemical Co., Ltd.), a commercially available product having a degree of polymerization of 1,500 may be, for example, KF-96H-100,000cs (manufactured by Shin-Etsu Chemical Co., Ltd.), and a commercially available product having a degree of polymerization of 1,800 may be, for example, KF-96H-500,000cs (manufactured by Shin-Etsu Chemical Co., Ltd.). One or more of these may be selected and contained.

[0018] From the viewpoint of a moist finish, the degree of polymerization of the component (A) used in the present invention is preferably from 1,200 to 1,800, more preferably from 1,500 to 1,800. If the degree of polymerization of the component (A) is less than 1,200 or exceeds 1,800, the moist finish cannot be obtained.

[0019] The hair cosmetic composition of the present invention contains component (B) linoleamidopropyl PG-dimonium chloride phosphate dimethicone (hereinafter referred to as component (B)) from the viewpoint of achieving manageable finish.

[0020] An example of a commercially available product of the component (B) used in the present invention is Arlasilk PLN-LQ-(AP) (manufactured by CRODA).

[0021] The content of component (B) used in the present invention is not particularly limited, but from the viewpoint of a cohesive finish, it is preferably 0.02 to 5%, more preferably 0.025 to 1%, and even more preferably 0.05 to 0.5%. If the content of component (B) is less than 0.02% or exceeds 5%, there is a risk that a cohesive finish cannot be obtained.

[0022] In the present invention, from the viewpoint of a rich feeling when draining, the ratio (A) / (B) is preferably from 0.1 to 25, more preferably from 0.5 to 20, and even more preferably from 1 to 10. If the ratio (A) / (B) is less than 0.1 or exceeds 25, a rich feeling when draining cannot be obtained.

[0023] The hair cosmetic composition of the present invention contains component (C) dimethylpolysiloxane having a degree of polymerization of 80 to 800 (hereinafter referred to as component (C)) from the viewpoint of achieving a smooth finish.

[0024] The component (C) used in the present invention is a dimethylpolysiloxane in which the degree of polymerization of the dimethylsiloxane portion is 80-800.

[0025] The content of component (C) used in the present invention is not particularly limited, but from the viewpoint of a smooth finish, it is preferably 0.1 to 3%, more preferably 0.3 to 3%, and even more preferably 0.5 to 3%. If the content of component (C) is less than 0.1%, there is a risk that a smooth finish cannot be obtained, and if the content of component (C) exceeds 3%, there is a risk that a smooth finish cannot be obtained.

[0026] Of the components (C) used in the present invention, a commercially available product having a degree of polymerization of 80 is, for example, KF-96A-100cs (manufactured by Shin-Etsu Chemical Co., Ltd.), a commercially available product having a degree of polymerization of 150 is, for example, KF-96A-200cs (manufactured by Shin-Etsu Chemical Co., Ltd.), a commercially available product having a degree of polymerization of 200 is, for example, KF-96A-350cs (manufactured by Shin-Etsu Chemical Co., Ltd.), and a commercially available product having a degree of polymerization of 350 is, for example, An example of a commercially available product having a degree of polymerization of 550 is KF-96-3,000cs (Shin-Etsu Chemical Co., Ltd.), an example of a commercially available product having a degree of polymerization of 700 is KF-96H-6,000cs (Shin-Etsu Chemical Co., Ltd.), and an example of a commercially available product having a degree of polymerization of 800 is KF-96H-10,000cs (Shin-Etsu Chemical Co., Ltd.). One or more of these may be selected and contained.

[0027] From the viewpoint of a smooth finish, the degree of polymerization of component (C) used in the present invention is preferably from 80 to 800, more preferably from 150 to 700, and even more preferably from 200 to 550. If the degree of polymerization of component (C) is less than 80 or exceeds 800, a smooth finish cannot be obtained.

[0028] The formulation of the hair cosmetic composition of the present invention is not particularly limited, but from the viewpoint of ease of application to hair, a cream, milky lotion, liquid, etc. is preferable. Among them, from the viewpoint of stability over time, a cream or milky lotion is more preferable, and a cream is even more preferable.

[0029] The viscosity of the hair cosmetic composition of the present invention is not particularly limited, but from the viewpoint of stability over time, it is preferably 3,000 mPa·s or more at 20°C.

[0030] The viscosity in the present invention was measured by filling a sample bottle (Food 140: manufactured by Daiichi Glass Co., Ltd.) with 120 g of a hair cosmetic prepared by a conventional method, leaving it to stand at 20°C for 24 hours, and then using a B-type viscometer with a helical stand (model: digital viscometer TVB-10M, manufactured by Toki Sangyo Co., Ltd.) to rotate the mixture at 60 rpm for 1 minute using an M4 rotor.

[0031] The pH of the hair cosmetic composition of the present invention is not particularly limited, but is preferably 3.0 to 8.0 at 20° C. from the viewpoint of stability over time.

[0032] The pH in the present invention was measured by filling a sample bottle (Food 140: manufactured by Daiichi Glass Co., Ltd.) with 120 g of a hair cosmetic composition prepared by a conventional method, leaving it to stand at 20°C for 24 hours, and then measuring the pH of the original solution using a glass electrode type hydrogen ion concentration indicator (F-71, manufactured by Horiba, Ltd.).

[0033] The container or film into which the hair cosmetic of the present invention is filled is not particularly limited, but since the hair cosmetic is a cream, milky lotion or liquid, a jar container, a tube container, a pump container or a pouch film is preferred.

[0034] In addition to the essential components (A) to (C), the hair cosmetic composition of the present invention may contain, within the scope of the effects of the present invention, oils other than the components (A) to (C), higher alcohols, fatty acids, surfactants, pH adjusters, thickeners, solvents, moisturizers, vitamins, preservatives, anti-inflammatory agents, antibacterial agents, antioxidants, UV absorbers, UV scattering agents, chelating agents, extracts, essential oils, fermentation liquids, moisturizers, colorants, and fragrances. One or more of these may be selected and contained. EXAMPLES

[0035] The present invention will be described in more detail below with reference to examples, but these are not intended to limit the present invention in any way. In the evaluation tests shown in this specification, the components contained in the hair cosmetic composition and their contents were changed in various ways. The units showing the contents of each component are all mass %, and these were prepared by conventional methods.

[0036] (Evaluation method) Ten panelists rinsed a wig for evaluation (100% human black hair, Queen Cut No. 775N, Bealux) with running water at 40°C for 1 minute, applied 10 g of the following hair wash composition prepared by a conventional method, lathered and washed, then thoroughly rinsed with running water at 40°C while combing the hair, and squeezed the wet hair with the palm to shake off the dripping water. Then, 20 g of each hair cosmetic obtained in the Examples and Comparative Examples was uniformly applied to the wig for evaluation, thoroughly rinsed with running water at 40°C while combing the hair, and squeezed the wet hair with the palm to shake off the dripping water, and evaluated the overall satisfaction (rich feeling when draining) of the softness, thickness, oiliness, coating feeling, etc. of the hair. Furthermore, the hair was towel-dried and then dried with a hair dryer, after which the moist feel, manageability and smooth feel of the finished hair were evaluated.

[0037] Hair cleansing composition Component Content (% by mass) Polyoxyethylene alkyl (12,13) Sodium Ether Sulfate (3E.O.) 6.0 Sodium lauroyl methyl-β-alanine 3.0 Lauryl amidopropyl betaine 6.0 Citric acid adjusted to pH 5.8 Purified water residue Total 100.0 pH(20℃) 5.8

[0038] Each panelist rated each item on a 5-point scale of 5 points (very good), 4 points (better), 3 points (good), 2 points (poor), and 1 point (very poor), and then calculated the average score of all panelists, which was then judged according to the following criteria.

[0039] (Average score criteria) 4.0 points or more: 5 3.5 to less than 4.0: 4 3.0 to less than 3.5: 3 2.0 points or more and less than 3.0 points: 2 Below 2.0 points: 1

[0040] (First evaluation test) In the first evaluation test, hair cosmetics prepared by a conventional method were evaluated with respect to the content % of component (A), type, and (A) / (B) of component (A). Table 1 shows the components of the hair cosmetics, their contents, and the evaluation results.

[0041] [Table 1]

[0042] From Examples 1 to 9 shown in Table 1, good results were obtained in terms of the rich feeling when draining, the moist feeling after finishing, the manageability, and the smooth feeling.

[0043] (2nd evaluation test) In the second evaluation test, the hair cosmetics prepared by a conventional method were evaluated with respect to the content % of component (B) and the (A) / (B) ratio. Table 2 shows the components of the hair cosmetics, their contents, and the evaluation results.

[0044] [Table 2]

[0045] From Examples 10 to 15 shown in Table 2, good results were obtained in terms of the rich feeling when draining, the moist feeling after finishing, the manageability and the smooth feeling.

[0046] (Third evaluation test) In the third evaluation test, hair cosmetics prepared by a conventional method were evaluated with respect to the content percentage and type of component (C). Table 3 shows the components of the hair cosmetics, their contents, and the evaluation results.

[0047] [Table 3]

[0048] From Examples 16 to 25 shown in Table 3, good results were obtained in terms of the rich feeling when draining, the moist feeling after finishing, the manageability, and the smooth feeling.

[0049] Example 26 of a hair cosmetic product prepared by a conventional method is described below.

[0050] The hair cosmetic composition obtained in Example 26 gave good results in terms of the rich feeling when draining, the moist feeling, manageability and smooth feeling of the finished hair.

[0051] Example 26 Component Content (%) (A) Dimethylpolysiloxane (degree of polymerization 1,500) *22 0.5 (B) Linoleamidopropyl PG-Dimonium Chloride Phosphate Dimethicone *23 0.1 (C) Dimethylpolysiloxane (degree of polymerization 550) *24 0.5 (C) Dimethylpolysiloxane (degree of polymerization 800) *25 0.5 Dimethylpolysiloxane (degree of polymerization 15) *26 2.0 Myristyl alcohol 3.8 Cetanol 2.8 Stearyl alcohol 0.1 Steartrimonium chloride 3.0 Behentrimonium chloride 0.2 Aminopropyl Dimethicone 0.2 Glycerin 2.0 1,3-Butylene glycol 4.5 Ethanol 1.5 Guar Hydroxypropyltrimonium Chloride 0.1 Peach kernel oil 0.1 Peach Fruit Extract 0.1 Peach Leaf Extract 0.1 Dipotassium glycyrrhizinate 0.1 Black tea extract 0.1 Citric acid adjusted to pH 4.5 Sodium citrate 0.1 Disodium edetate 0.1 Methylparaben 0.2 Fragrance 1.0 Purified water residue Total 100.0 Viscosity (20℃) 4,000mPa·s pH(20℃) 4.5 *22 KF-96H-100,000cs (Shin-Etsu Chemical Co., Ltd.) *23 Arlasilk PLN-LQ-(AP) (manufactured by Croda) *24 KF-96-3,000cs (Shin-Etsu Chemical Co., Ltd.) *25 KF-96H-10,000cs (Shin-Etsu Chemical Co., Ltd.) *26 KF-96A-10cs (Shin-Etsu Chemical Co., Ltd.) [Industrial Applicability]

[0052] The present invention can provide a hair cosmetic composition which gives a rich feeling when drained, a moist feeling, a manageable feeling and a smooth feeling when finished, and is used after rinsing.

Claims

[Claim 1] A rinse-off cosmetic composition for hair, comprising the following components (A) to (C), and a mass ratio (A) / (B) of component (A) to component (B) of 0.1 to 25: Component (A) Dimethylpolysiloxane having a degree of polymerization of 1,200 to 1,800 Ingredient (B) Linoleamidopropyl PG-dimonium chloride phosphate dimethicone Component (C) Dimethylpolysiloxane having a degree of polymerization of 80 to 800

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