Conditioning Composition

Abstract

To provide a conditioning composition containing a silicone component which suppresses build-up, and provides softness, moist feeling, smooth feeling of hair after drying, and provides no squeaking when rinsing.SOLUTION: A conditioning composition containing a silicone component includes the following components (A) to (C): (A) oil solution which is in a liquid state at 25°C; (B) oil solution which is in a pasted state at 25°C; and (C) oil solution which is not straight-chain saturated higher alcohol and is in a solid state at 25°C.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present invention relates to conditioning compositions. [Background technology]

[0002] In daily hair care, hair cosmetics such as rinses, conditioners, and treatments are widely used to improve the feel of hair after shampooing.

[0003] Various hair cosmetics such as rinses, conditioners, and treatments have been proposed to suit the feel of hair desired by the user. For example, a conditioning composition containing a silicone composition has been proposed to impart a moist and smooth feel to hair (Patent Document 1). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2006-8611 DISCLOSURE OF THE INVENTION [Problem to be solved by the invention]

[0005] However, while the conditioning composition of Patent Document 1 can impart a moist and smooth feeling to hair, it is not satisfactory in that continued use causes buildup in the hair and gradually reduces the smoothness.

[0006] Although conditioning effect is an important factor for a conditioning composition, increasing conditioning performance by increasing application feeling results in buildup, and buildup and conditioning performance are contradictory factors, so there has been a demand for a product that satisfies both of these requirements.

[0007] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a conditioning composition which, even when containing a silicone component, suppresses build-up and leaves hair soft, moist, and smooth after drying, and is free of squeaky feeling when rinsing. [Means for solving the problem]

[0008] As a result of intensive research into achieving the objects of the present invention, the present inventors have discovered that by combining an oil that is liquid at 25°C, an oil that is pasty at 25°C, an oil that is not a higher alcohol and is solid at 25°C, and a silicone composition, it is possible to obtain a conditioning composition that suppresses build-up and leaves hair soft, moist, and smooth after drying, as well as being free of squeaky feeling when rinsing, and have completed the present invention.

[0009] The first invention is a conditioning composition containing a silicone component, characterized in that it contains the following components (A) to (C): (A) Liquid oil at 25°C (B) Pasty oil solution at 25°C (C) An oil that is solid at 25°C and is not a straight-chain saturated higher alcohol

[0010] The second invention is (A) Ester oil that is liquid at 25°C (B) Pasty ester oil at 25°C (C) Ester oil that is solid at 25°C The conditioning composition according to the first invention of the present application is characterized by the following.

[0011] A third invention is a conditioning composition according to claim 1 or 2, wherein the content of component (A) is 0.1 to 10.0 mass %, the content of component (B) is 0.1 to 10.0 mass %, and the content of component (C) is 0.1 to 10.0 mass %. [Effects of the Invention]

[0012] According to the present invention, it is possible to provide a conditioning composition that suppresses build-up even when it contains a silicone component, and leaves hair soft, moist, and smooth after drying, and does not cause squeaky sensation when rinsing. DETAILED DESCRIPTION OF THE INVENTION

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

[0014] As used herein, "suppressing build-up" refers to preventing the conditional composition from remaining on the hair when used repeatedly, causing the hair to gradually deteriorate in feel. As used herein, "softness of hair" refers to the state in which hair becomes limp when bent. As used herein, "moist feeling of hair" refers to the state in which hair feels cool when pinched and is not dry. As used herein, "smooth feeling of hair" refers to the state in which hair is smooth, coated, and smooth when pinched and pulled. As used herein, "squeakiness of hair" refers to the resistance felt when pinched and pulled.

[0015] <Conditioning Composition> The conditioning composition of the present invention can be used as a hair rinse, hair conditioner, hair treatment, hair pack, hair cream, leave-on treatment, etc. The conditioning composition of the present invention can be produced by a conventional method, and its formulation is not particularly limited. Specifically, it can be used in an appropriate formulation such as a cream or emulsion. It can also be in the form of an aerosol or non-aerosol, and in the case of a non-aerosol, it can take various forms such as a squeeze foamer type or a pump foamer type.

[0016] The conditioning composition containing the chicory component of the present invention comprises: (A) Liquid oil at 25°C (B) Pasty oil solution at 25°C (C) An oil that is solid at 25°C and is not a straight-chain saturated higher alcohol Each component of the conditioning composition of the present invention will be described in detail below.

[0017] <Silicone ingredient> The silicone component used in the conditioning composition of the present invention is a general term for compositions having a siloxane bond. The silicone component mainly contributes to the softness, moist feeling, and smooth feeling of hair after drying, and the absence of squeaky feeling during rinsing.

[0018] The silicone component is not limited to these, but specific examples include dimethicone, amodimethicone, (bisbutyloxyamodimethicone / PEG-80) copolymer, (PEG-40 / PPG-8 methylaminopropyl / hydroxypropyl dimethicone) copolymer, (divinyldimethicone / dimethicone) copolymer, etc., and one or more of these can be used in combination. Commercially available silicone components may be used. In addition, they can be used regardless of the state of the silicone composition, such as oil, gum, or rubber. Cut.

[0019] The amount of silicone component is not particularly limited as long as it can exert the effects of the present invention, but it is preferably 0.1 to 10.0% of the conditioning composition. If the amount is 0.1% by mass or more, the hair will have a smooth feel when dried and will not squeak when rinsing, and if it is 10.0% by mass or less, the hair will have a good softness and moist feel when dried.

[0020] <(A) Oil that is liquid at 25°C> Component (A) used in the conditioning composition of the present invention is an oil that is liquid at 25° C. Liquid at 25° C. means that it has a melting point at temperatures below 25° C. and is fluid. Component (A) is used primarily as a component that contributes to inhibiting buildup.

[0021] The oils that are liquid at 25°C in the present invention include, but are not limited to, diethylhexyl succinate, diethyl sebacate, isopropyl myristate, isopropyl hexanoate, cetyl isooctanoate, isodecyl neopentanoate, neopentyl glycol dicaprate, octyldodecanol, isostearyl isostearate, mineral oil, etc., and one or a combination of two or more of these can be used. Component (A) may be a commercially available product.

[0022] The amount of component (A) is not particularly limited as long as it can exert the effects of the present invention, but it is preferably 0.1 to 10.0% by mass of the conditioning composition. If the amount is 0.1% by mass or more, build-up is well suppressed, and if it is 10.0% by mass or less, softness upon drying is good.

[0023] <(B) Paste-like oil at 25°C> Component (B) used in the conditioning composition of the present invention is an oil that is paste-like at 25° C. A paste-like (semi-solid) oil at 25° C. is an oil that is distinguished from liquid and solid oils in that it has a melting point above 25° C. and does not completely solidify at 25° C. Component (B) is used primarily as a component that contributes to the moist feeling of hair when it is dried.

[0024] Specific examples of oils that are paste-like at 25°C in the present invention include, but are not limited to, phytosteryl / isostearyl / cetyl / stearyl / behenyl dilinoleate, dipentaerythrityl hexa(hydroxystearate / hexastearate / hexarosinate), phytosteryl rice bran oil fatty acid, phytosteryl oleate, glyceryl tri(caprylate / caprate / myristicate / stearate), diglyceryl adipate mixed fatty acid ester, petrolatum, lanolin, etc., and one or a combination of two or more of these can be used. Component (B) may be commercially available.

[0025] The amount of component (B) is not particularly limited as long as it can exert the effects of the present invention, but it is preferably 0.1 to 10.0% by mass of the conditioning composition. If the amount is 0.1% by mass or more, the hair will have a good moist feeling when dried, and if it is 10.0% by mass or less, the hair will have a good smooth feeling when dried.

[0026] <(C) An oil that is solid at 25°C and is not a straight-chain saturated higher alcohol> Component (C) used in the conditioning composition of the present invention is an oily agent that is solid at 25°C. "Solid at 25°C" means that it has a melting point of 26°C or higher and maintains a constant volume and shape at temperatures below 25°C. Component (C) is mainly used to contribute to the smooth feeling of hair when it is dried. Furthermore, the linear saturated higher alcohol is a straight-chain saturated alcohol having 12 or more carbon atoms and having no branched or unbranched chains. This refers to alcohols that are not saturated.

[0027] Examples of oils that are solid at 25°C and are not straight-chain saturated higher alcohols include, but are not limited to, stearyl stearate, pentaerythrityl distearate, cetyl palmitate, hydrogenated palm oil, dipentaerythrityl hexa(behenate / benzoate / ethylhexanoate), paraffin, cocoa butter, etc., and one or a combination of two or more of these can be used. Component (C) may be a commercially available product.

[0028] The amount of component (C) is not particularly limited as long as it can exert the effects of the present invention, but it is preferably 0.1 to 10.0% of the conditioning composition. If the amount is 0.1% by mass or more, the smooth feeling of hair when dried is improved, and if it is 10.0% by mass or less, the softness of hair when dried is good.

[0029] Of the oils (A), (B), and (C), it is preferable to use an ester oil from the viewpoint of preventing squeaking during rinsing.

[0030] Therefore, by combining the above-mentioned specific components (A), (B), and (C), the conditioning composition containing the silicone component of the present invention exhibits the effects of both build-up and conditioning, which are essentially contradictory properties, by suppressing build-up and maintaining hair softness, moistness, and smoothness after drying, and no squeaking when rinsing.

[0031] This effect is presumed to be due to the following mechanism. In other words, in a silicone component-containing conditioning composition, the oils (A), (B), and (C) dissolve in each other, and the solubility of the silicone component is also improved, so that less oil remains on the hair compared to when the oils (A), (B), and (C) are not included. As a result, buildup is suppressed, while the composition also has hydrophobic properties that prevent it from being completely washed away, so that the hair is soft, moist, and smooth after drying, and does not feel squeaky when rinsing.

[0032] <Other ingredients> In addition to the above-mentioned components, the conditioning composition of the present invention may contain other components that are generally incorporated into ordinary conditioning compositions depending on the purpose, as long as the effects of the present invention are not impaired.

[0033] Examples of such ingredients include higher alcohols such as stearyl alcohol and behenyl alcohol; cationic surfactants such as behentrimonium chloride and steartrimonium chloride; polymeric compounds such as cationized cellulose and poly(diallyldimethylammonium chloride); anti-dandruff ingredients such as zinc pyrithione and benzalkonium chloride; lower alcohols such as ethanol, methanol, propyl alcohol, and isopropyl alcohol; organic acids such as lactic acid and citric acid; polyols such as DPG and propylene glycol; and other ultraviolet absorbers, preservatives, sugars, fragrances, colorants, sequestering agents, antioxidants, various chemicals, and water. [Example]

[0034] The conditioning composition of the present invention will now be described in detail with reference to examples and comparative examples, but the present invention is not limited to these examples. First, the test methods and evaluation methods used in each example will be described.

[0035] (1) Hair build-up evaluation method Three grams of the conditioning compositions according to the examples and comparative examples of the present invention, prepared by a conventional method using the formulations shown in Tables 1 to 3, were applied to a 10-gram hair bundle (Bealux, Asian identical human hair, 30 cm long), which was then rinsed with 40°C water for 10 seconds. The wet hair bundle was combed 20 times, towel-dried for 5 seconds, and then dried with a hair dryer until it felt completely dry. Ten trained evaluators evaluated the buildup of the hair according to the following criteria, with a score of 5 points before treatment and the difference in scores after three treatments being used to calculate the average score of the 10 evaluators. The average value was used to evaluate the buildup of the hair based on the following criteria.

[0036] <Hair build-up evaluation criteria> 5 points: No increase in thickness was felt at all 4 points: I felt a slight increase in thickness, but it was barely noticeable. 3 points: I noticed an increase in thickness, but it didn't bother me much. 2 points: I felt the thickness increased, and it bothered me a little. 1 point: I felt a strong increase in thickness and was quite concerned about the thickness.

[0037] <Hair build-up score criteria> ◎: Excellent - The difference in score before and after treatment is less than 1.0 points ○: Excellent...The difference in score before and after treatment is 1.0 points or more and less than 2.0 points △: Poor: The difference in score before and after treatment is 2.0 points or more but less than 3.0 points ×: Very poor... The difference in score before and after treatment is 3.0 points or more

[0038] (2) Method for evaluating dry hair softness 3 g of the conditioning compositions according to the examples and comparative examples of the present invention, prepared by a conventional method using the formulations shown in Tables 1 to 3, was applied to a 10 g hair bundle (Bealux, Asian identical human hair, 30 cm long), rinsed with 40°C water for 10 seconds, combed the wet hair bundle 20 times, towel-dried for 5 seconds, and then dried with a hair dryer until the hair bundle felt completely dry. Ten trained evaluators observed and evaluated the softness of the hair according to the following evaluation criteria, and the total scores of the 10 evaluators were averaged. The average value was used to evaluate the softness of the hair upon rinsing, based on the following scoring criteria.

[0039] <Evaluation criteria for dry hair softness> 5 points: Very soft 4 points: Very soft 3 points: slightly soft 2 points: A little hard 1 point: Quite hard

[0040] <Smoothness of dry hair score criteria> ◎: Excellent...4.5 points or more ○: Excellent...3.0 points or more, less than 4.5 points △: Poor...2.0 points or more, less than 3.0 points ×: Very poor...less than 2.0 points

[0041] (3) Evaluation method for moisturizing dry hair 3 g of the conditioning compositions according to the examples and comparative examples of the present invention, prepared by a conventional method using the formulations in Tables 1 to 3, was applied to a 10 g hair bundle (Bealux, Asian human hair, length 30 cm), rinsed with water at 40°C for 10 seconds, combed the wet hair bundle 20 times, towel-dried for 5 seconds, and then dried with a hair dryer until the hair bundle felt completely dry. After that, the hair felt moist (a cold sensation as if it contained water when the hair was picked up). ) were evaluated by 10 trained evaluators according to the following evaluation criteria, and the average of the total scores of the 10 evaluators was calculated. The average value was used to evaluate the moist feeling of the hair when dried based on the following score criteria.

[0042] <Evaluation criteria for moisturized hair when dry> 5 points: Hair feels cool when picked and is not dry 4 points: Hair feels slightly cool when picked and is not dry 3 points: Hair feels slightly cool when picked, but is slightly dry 2 points: When the hair is picked, it feels almost no coldness and is slightly dry. 1 point: No feeling of coldness when hair is picked, and hair is dry

[0043] <Score criteria for moisturizing dry hair> ◎: Excellent...4.5 points or more ○: Excellent...3.0 points or more, less than 4.5 points △: Poor...2.0 points or more, less than 3.0 points ×: Very poor...less than 2.0 points

[0044] (4) Evaluation method for smoothness of dry hair Three grams of the conditioning compositions according to the examples and comparative examples of the present invention, prepared by a conventional method using the formulations shown in Tables 1 to 3, were applied to a 10-gram hair bundle (Bealux, Asian identical human hair, 30 cm long), which was then rinsed with water at 40°C for 10 seconds. The wet hair bundle was combed 20 times, towel-dried for 5 seconds, and then dried with a hair dryer until it felt completely dry. Ten trained evaluators evaluated the smoothness of the hair according to the following evaluation criteria, and the average of the total scores of the 10 evaluators was calculated. The average value was used to evaluate the smoothness of the hair when dry, based on the following scoring criteria.

[0045] <Evaluation criteria for smoothness of dry hair> 5 points: The hair slides easily when picked up and pulled, and is quite smooth. 4 points: The hair is slippery and smooth when picked and pulled. 3 points: When the hair is picked and pulled, it is slightly slippery and smooth. 2 points: When you pick up and pull the hair, it is not very slippery and not very smooth. 1 point: Hair is not slippery or smooth when picked and pulled.

[0046] <Score criteria for moisturizing dry hair> ◎: Excellent...4.5 points or more ○: Excellent...3.0 points or more, less than 4.5 points △: Poor...2.0 points or more, less than 3.0 points ×: Very poor...less than 2.0 points

[0047] (5) Evaluation method for the absence of squeaking during rinsing 3 g of the conditioning compositions according to the examples and comparative examples of the present invention, which were prepared by a conventional method using the formulations in Tables 1 to 3, were applied to a 10 g hair bundle (Bealux, Asian identical human hair, length 30 cm), and then the hair was rinsed for 10 seconds with water at 40°C. Ten trained evaluators evaluated the hair for smoothness according to the following evaluation criteria, and the total scores of the 10 evaluators were averaged. Using this average value, the smoothness during rinsing was judged based on the following scoring criteria.

[0048] <Evaluation criteria for hair smoothness when rinsing> 5 points: When picking and pulling hair, it glides smoothly and does not squeak. 4 points: Smooth and almost no squeaking when hair is picked and pulled. 3 points: When picking and pulling hair, it is slightly slippery and not too squeaky. 2 points: When picking and pulling hair, it is not very smooth and creaks a little. 1 point: When picking and pulling hair, it does not slip and squeaks.

[0049] <Score criteria for moisturizing dry hair> ◎: Excellent...4.5 points or more ○: Excellent...3.0 points or more, less than 4.5 points △: Poor...2.0 points or more, less than 3.0 points ×: Very poor...less than 2.0 points

[0050] Examples 1 to 42 and Comparative Examples 1 to 4 Hair conditioners having the formulations shown in Tables 1 to 3 were prepared by a conventional method, and when used, they were evaluated for the absence of build-up, hair softness when dried, moist feeling, smooth feeling, and absence of squeaky feeling when rinsing. The results are shown in Tables 1 to 3.

[0051] [Table 1]

[0052] [Table 2]

[0053] [Table 3]

[0054] As is clear from Tables 1 to 3, Examples 1 to 42, which used the components of the present invention, all showed excellent performance. On the other hand, Comparative Examples 1 to 4 were inferior in any one of the following points: absence of build-up of the composition, softness of hair after drying, moist feeling, and smooth feeling, and the object of the present invention could not be achieved.

[0055] Next, the same evaluations as above were carried out on commercially available conditioners and conditioners using the present invention. The results are shown in Table 4. Commercial product A, which contains a silicone composition, experienced buildup. Compared to commercial product A, the product of the present invention received excellent ratings in each category.

[0056] [Table 4]

[0057] Other formulation examples of the conditioning composition of the present invention are listed below. The compositions of these formulation examples were also evaluated in terms of the absence of build-up of the composition, hair softness when dried, moist feeling, smooth feeling, and absence of squeaking during rinsing.

[0058] (Formulation Example 1) Hair pack Ingredients (mass%) (1) Steartrimonium chloride 3.0 (2) Bis-diglyceryl polyacyladipate-2 2.0 (3) Paraffin 1.0 (4) Pentaerythrityl distearate 1.0 (5) Stearyl alcohol 9.0 (6) Stearyl stearate 1.0 (7) Diethylhexyl succinate 1.0 (8) Vaseline 1.0 (9) Hydroxyethyl cellulose 0.4 (10) Dimethicone 5.0 (11) (Bisbutyroxyamodimethicone / PEG-80) Copolymer 2.0 (12) Glutamic acid 0.1 (13) Sodium glutamate 0.1 (14) Citric acid 0.2 (15) Arginine 0.1 (16) Phenoxyethanol 0.2 (17)Fragrance 0.5 (18) Purified water remainder

[0059] (Formulation Example 2) Hair Treatment Amount (mass%) (1) Behenyl PG trimonium chloride 3.0 (2) Behenamidopropyl dimethylamine 1.0 (3) Diethyl sebacate 1.0 (4) Diethylhexyl succinate 1.0 (5) Bis-diglyceryl polyacyladipate-2 1.0 (6) Behenyl alcohol 1.0 (7) Alanine 0.1 (8) Arginine 0.1 (9) Proline 0.1 (10) Serine 0.1 (11) Hydroxyethyl cellulose 0.1 (12) Amodimethicone 2.0 (13) (Divinyldimethicone / Dimethicone) Copolymer 1.0 (14) Sodium glutamate 0.1 (15)PEG-160M ​​0.1 (16) Lactic acid 0.2 (17) Pentaerythrityl distearate 0.5 (18) Neopentyl glycol dicaprate 0.2 (19) Menthol 0.1 (20) Hydrolyzed conchiolin 0.1 (21) Stearyl alcohol 5.0 (22) Phenoxyethanol 0.2 (23)Fragrance 0.5 (24) Purified water remainder

[0060] (Formulation Example 3) Hair conditioner Blend amount (mass%) (1) Behenyl PG trimonium chloride 0.5 (2) Steartrimonium chloride 0.5 (3) Behenamidopropyldimethylamine 0.5 (4) Behentrimonium chloride 0.5 (5) Cetearyl alcohol 3.0 (6) Behenyl alcohol 1.0 (7) Hydrolyzed silk 0.1 (8) Saccharomyces / Rice Bran Fermented Liquid Extract 0.1 (9) Hydrolyzed conchiolin 0.1 (10) Dicaprylic Acid Dipentyl Glycol 0.2 (11) Hydroxyethyl cellulose 0.1 (12) Pentaerythrityl distearate 0.2 (13) Glycerin 0.5 (14) Diethylhexyl succinate 0.2 (15) Paraffin 0.2 (16) Lactic acid 0.1 (17) Dimethicone 1.0 (18) Lactose 0.1 (19) Bis-diglyceryl polyacyladipate-2 0.2 (20) Methylparaben 0.2 (21)Fragrance 0.5 (22) Purified water remainder

[0061] The compositions of these formulation examples were also evaluated for the absence of build-up, softness of hair when dried, moist feeling, smooth feeling, and absence of squeaking when rinsing, and all of the properties were excellent, yielding good results.

Claims

1. A conditioning composition for inhibiting build-up, which contains a silicone component, and is characterized by comprising the following components (A) to (C): (A) at least one oil selected from the group consisting of diethylhexyl succinate, isopropyl hexanoate, cetyl isooctanoate, isodecyl neopentanoate, isostearyl isostearate, and mineral oil, which is liquid at 25°C; (B) at least one oil agent that is paste-like at 25°C selected from the group consisting of dipentaerythrityl hexa(hydroxystearate / hexastearate / hexarosinate), glyceryl tri(caprylate / caprate / myristicate / stearate), diglyceryl adipate mixed fatty acid ester, petrolatum, and lanolin; (C) at least one oil agent that is solid at 25°C and is not a linear saturated higher alcohol selected from the group consisting of stearyl stearate, pentaerythrityl distearate, hydrogenated palm oil, dipentaerythrityl hexa(behenate / benzoate / ethylhexanoate), and paraffin;

2. 2. The conditioning composition according to claim 1, wherein the content of component (A) is 0.1 to 10.0 mass%, the content of component (B) is 0.1 to 10.0 mass%, and the content of component (C) is 0.1 to 10.0 mass%.

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