JP2015199684A - Detergent composition and method for inhibiting skin irritation using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detergent composition which is excellent in foaming, detergency, and finish, and can suppress skin dryness, and to provide a method for inhibiting skin irritation using the same.SOLUTION: A detergent composition contains (A) cyclohexanedicarboxylic acid bis-(ethoxy diethylene glycol), (B) at least one kind selected from polyethylene glycol and propylene glycol with a degree of polymerization of two or more, and (C) at least one kind selected from an anionic surfactant and an ampholytic surfactant. The component (C) may also contain an anionic surfactant (C1) and an ampholytic surfactant (C2).

Description

  The present invention relates to, for example, a cleaning composition used for cleaning hair and skin and a method for suppressing skin irritation using the same.

  Conventional cleaning agents (hair shampoos, body soaps, etc.) used to clean hair and skin have properties such as good foaming, high detergency, and good finish, and have reduced skin irritation. Compositions are known (see Patent Documents 1 to 3).

JP 2003-313585 A JP 2012-251115 A JP 2003-75759 A

  However, it cannot be said that the conventional cleaning composition has a sufficient skin irritation reducing effect. In addition, skin irritation due to drying of the hand skin of a user such as a hairdresser who repeatedly uses a cleaning agent for washing hair could not be sufficiently suppressed.

  The present invention has been made in view of such a background, and is intended to provide a cleaning composition that is excellent in foaming, detergency, and finish, and that can suppress drying of the skin, and a method of suppressing skin irritation using the same. is there.

  The cleaning composition according to the first aspect of the present invention includes (A) bisethoxydiglycol of cyclohexanedicarboxylic acid, (B) at least one selected from polyethylene glycol and propylene glycol having a polymerization degree of 2 or more, (C) It contains at least one selected from an anionic surfactant and an amphoteric surfactant.

  The detergent composition of the present invention contains (A) component, (B) component and (C) component, so that good foaming, high detergency, and good finish (for example, after drying in the case of hair washing) It is possible to suppress the drying of the skin (for example, a decrease in the amount of moisture in the horny layer of the skin) while obtaining the finger. And it is also possible to suppress skin irritation caused by drying of the hand skin of a user such as a barber who repeatedly uses a cleaning agent for washing hair.

  The skin irritation suppressing method according to the second aspect of the present invention is characterized by using the cleaning composition.

  The method for suppressing skin irritation according to the present invention uses the above-described cleaning composition to suppress drying of the skin of the cleaning user (for example, reduction in moisture content of the horny layer of the skin), thereby reducing skin irritation due to drying. can do. And it is also possible to suppress skin irritation caused by drying of the hand skin of a user such as a barber who repeatedly uses a cleaning agent for washing hair.

  Thus, according to the present invention, a detergent composition that is excellent in foaming, detergency, and finish, suppresses drying of the skin, and further can suppress skin irritation due to drying of the hand skin during repeated use, and the use thereof. A method for suppressing skin irritation that has occurred can be provided.

  In the cleaning composition, the component (C) may contain (C1) an anionic surfactant and (C2) an amphoteric surfactant. In this case, effects such as good foaming, high detergency (such as foam stickiness), and good finish (such as finger passage after drying) can be sufficiently obtained.

  The mass ratio (A) / ((A) + (B)) of the content of the component (A) to the total content of the component (A) and the component (B) is 0.1 to 0.6. It may be within the range. In this case, the stability of the agent can be enhanced while sufficiently obtaining the effect of suppressing the drying of the skin and the effect of suppressing the skin irritation caused by the drying of the hand skin during repeated use.

  “Suppressing the drying of the skin” means not only the user of the cleaning composition (cleaner) but also the dryness of the skin of the user (cleaner) (for example, the amount of moisture in the stratum corneum of the skin) The effect which suppresses a fall etc.) is included. The user of the cleaning composition includes a hairdresser and the user himself (when the user cleans himself / herself).

  Hereinafter, embodiments of the cleaning composition of the present invention will be described in more detail.

[Cleaning composition]
The cleaning composition of the present invention comprises (A) cyclohexanedicarboxylic acid bisethoxydiglycol, (B) at least one selected from polyethylene glycol and propylene glycol having a polymerization degree of 2 or more, and (C) an anionic interface. And at least one selected from an active agent and an amphoteric surfactant.

  The component (A) is bisethoxydiglycol cyclohexanedicarboxylate. As a commercial item of cyclohexanedicarboxylic acid bisethoxydiglycol, Neosolue-Aquolio (made by Nippon Seika Co., Ltd.) is mentioned, for example.

  The content of the component (A) is preferably 0.2 to 4% by mass, and more preferably 2 to 4% by mass. In this case, while obtaining high detergency and good finish (such as fingering after drying), the effect of increasing foaming and suppressing the drying of the skin, and also the skin irritation caused by the dryness of the hand skin during repeated use The suppression effect can be enhanced.

  The component (B) is at least one selected from polyethylene glycol and propylene glycol having a polymerization degree of 2 or more. Examples of propylene glycol having a degree of polymerization of 2 or more include dipropylene glycol and polypropylene glycol.

  The content of the component (B) is preferably 0.5 to 10% by mass, more preferably 2 to 10% by mass, and further preferably 8 to 10% by mass. In this case, while obtaining good foaming, high detergency, and good finish (such as fingering after drying), the effect of suppressing the drying of the skin, and also the skin irritation due to the dryness of the hand skin during repeated use The suppression effect can be enhanced.

  Moreover, in order to further improve the finish after washing the hair, in particular the fingering after drying, the content of the component (B) is preferably 0.5 to 8% by mass, and 1 to 6% by mass. Is more preferable, and it is further more preferable that it is 2-4 mass%.

  The mass ratio (A) / ((A) + (B)) of the content of the component (A) with respect to the total content of the component (A) and the component (B) is 0.1 to 0. It is preferable to be within the range of 6.

  The component (C) is at least one selected from (C1) an anionic surfactant and (C2) an amphoteric surfactant. The component (C) preferably contains both (C1) an anionic surfactant and (C2) an amphoteric surfactant for the reasons described above. Of course, only one of them may be included.

  (C1) As an anionic surfactant, alkyl ether sulfate, alkyl sulfate, alkenyl ether sulfate, alkenyl sulfate, olefin sulfonate, alkane sulfonate, saturated or unsaturated fatty acid salt, alkyl or alkenyl ether Carboxylic acid salts, α-sulfone fatty acid salts, N-acyl amino acid type surfactants, phosphate mono- or diester type surfactants, sulfosuccinic acid esters and the like can be mentioned. Examples of the counter ion of the anionic group of these surfactants include sodium ion, potassium ion and triethanolamine. Examples of the alkyl sulfate include sodium lauryl sulfate.

  Examples of the (C2) amphoteric surfactant include cocobetaine, lauramidopropyl betaine, cocamidopropyl betaine, sodium lauroamphoacetate, sodium cocoamphoacetate, laurylbetaine (lauryldimethylaminoacetic acid betaine) and the like.

  It is preferable that content of (C) component is 5-20 mass%. In this case, it is possible to improve foaming and enhance cleaning power while maintaining the effect of suppressing skin drying.

  The mass ratio of the content of the component (C1) to the total content of surfactants contained in the cleaning composition is preferably in the range of 0.3 to 0.95. Here, the surfactant contained in the cleaning composition includes (C1) an anionic surfactant, (C2) an amphoteric surfactant, a cationic surfactant, and a nonionic surfactant. It is. In this case, it is possible to satisfactorily balance foaming and detergency (such as foaminess).

[Other components of hair treatment composition]
In the hair treatment composition of the present invention, in addition to the aforementioned components, for example, a water-soluble polymer, an oily component, a polyhydric alcohol, a surfactant, a pH adjuster, Sugars, thickeners, preservatives, chelating agents, stabilizers, antioxidants, plant extracts, herbal extracts, vitamins, fragrances, ultraviolet absorbers, antibacterial agents and the like may be blended.

  As the water-soluble polymer, a cationic polymer, an anionic polymer, a nonionic polymer, and an amphoteric natural or synthetic polymer can be blended. More specific examples of such water-soluble polymers include xanthan gum, guar gum, sodium alginate, tragacanth gum, locust bean gum, ethyl cellulose, methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose dimethyl. Examples include diallylammonium chloride, hydroxyethylcellulose hydroxypropyltrimethylammonium chloride ether, carboxyvinyl polymer, polyacrylic acid and its salts, and (meth) acrylic acid alkyl copolymers.

  Examples of the oil component include fats and oils, waxes, higher alcohols, hydrocarbons, higher fatty acids, alkyl glyceryl ethers, esters, silicones, and the like.

  As fats and oils, lanolin, olive oil, camellia oil, shea fat, almond oil, safflower oil, sunflower oil, soybean oil, cottonseed oil, sesame oil, corn oil, rapeseed oil, rice bran oil, rice germ oil, grape seed oil, avocado oil , Macadamia nut oil, castor oil, coconut oil, evening primrose oil and the like.

  Examples of the wax include beeswax, candelilla wax, carnauba wax, jojoba oil, and lanolin.

  Higher alcohols include cetyl alcohol (cetanol), 2-hexyldecanol, stearyl alcohol, isostearyl alcohol, cetostearyl alcohol, oleyl alcohol, aralkyl alcohol, behenyl alcohol, 2-octyldodecanol, lauryl alcohol, myristyl alcohol, decyltetradecane Nord, lanolin alcohol and the like.

  Examples of the hydrocarbon include paraffin, olefin oligomer, polyisobutene, hydrogenated polyisobutene, mineral oil, squalane, polybutene, polyethylene, microcrystalline wax, and petroleum jelly.

  Examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, isostearic acid, 12-hydroxystearic acid, oleic acid, and lanolin fatty acid.

  Examples of the alkyl glyceryl ether include batyl alcohol, chimyl alcohol, ceralkyl alcohol, and isostearyl glyceryl ether.

  Esters include esters other than the component (A) such as diisopropyl adipate, isopropyl myristate, cetyl octanoate, isononyl isononanoate, octyldodecyl myristate, isopropyl palmitate, stearyl stearate, myristyl myristate, isotridecyl myristate , 2-ethylhexyl palmitate, octyldodecyl ricinoleate, fatty acid cholesteryl / lanosteryl having 10 to 30 carbon atoms, cetyl lactate, lanolin acetate, di-2-ethylhexanoic acid ethylene glycol, pentaerythritol fatty acid ester, dipenta Erythritol fatty acid ester, cetyl caprate, glyceryl tricaprylate, diisostearyl malate, dioctyl succinate, cetyl 2-ethylhexanoate, etc. It is below.

  Examples of silicones include dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, terminal hydroxyl group-modified dimethylpolysiloxane, highly polymerized silicone having an average polymerization degree of 650 to 10,000, and polyether. Modified silicone (for example, (PEG / PPG / butylene / dimethicone) copolymer), amino-modified silicone, betaine-modified silicone, alkyl-modified silicone, alkoxy-modified silicone, mercapto-modified silicone, carboxy-modified silicone, fluorine-modified silicone and the like.

  Examples of the polyhydric alcohol include glycols and glycerins. Examples of glycols include glycols other than the component (B), such as ethylene glycol, diethylene glycol, triethylene glycol, isoprene glycol, and 1,3-butylene glycol. Examples of glycerins include glycerin, diglycerin, and polyglycerin.

  As the surfactant, in addition to the anionic surfactant of the component (C1) and the amphoteric surfactant of the component (C2), a cationic surfactant and a nonionic (nonionic) surfactant are used in combination. Can do.

  Cationic surfactants include lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, alkyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, cetyl trimethyl ammonium bromide, stearyl trimethyl ammonium bromide, ethyl lanolin sulfate fatty acid Examples include aminopropylethyldimethylammonium, stearyltrimethylammonium saccharin, cetyltrimethylammonium saccharin, methacryloyloxyethyltrimethylammonium chloride, and behenyltrimethylammonium methylsulfate.

  Specific examples of the nonionic surfactant include ether type nonionic surfactants and ester type nonionic surfactants.

  Specific examples of the ether type nonionic surfactant include polyoxyethylene (hereinafter referred to as POE) cetyl ether (cetes), POE stearyl ether (steares), POE behenyl ether, POE oleyl ether (ores), POE lauryl ether. (Laureth), POE octyldodecyl ether, POE hexyl decyl ether, POE isostearyl ether, POE nonyl phenyl ether, POE octyl phenyl ether, and the like.

  Specific examples of the ester type nonionic surfactant include POE sorbitan monooleate, POE sorbitan monostearate, POE sorbitan monopalmitate, POE sorbitan monolaurate, POE sorbitan trioleate, POE glycerin monostearate, monomyristin Acid POE glycerin, tetraoleic acid POE sorbite, hexastearic acid POE sorbit, monolauric acid POE sorbit, POE sorbit beeswax, monooleic acid polyethylene glycol, monostearic acid polyethylene glycol, monolauric acid polyethylene glycol, lipophilic monooleic acid glycerin, Lipophilic glyceryl monostearate, self-emulsifying glyceryl monostearate, sorbitan monooleate, sesquiolei Sorbitan acid, sorbitan trioleate, sorbitan monostearate, sorbitan monopalmitate, sorbitan monolaurate, sucrose fatty acid ester, decaglyceryl monolaurate, decaglyceryl monostearate, decaglyceryl monooleate, decaglyceryl monomyristate, etc. Is mentioned.

  Examples of the polyoxyalkylene fatty acid amide (polyoxyalkylene fatty acid alkanolamide) include polyoxyethylene lauric acid monoethanolamide, polyoxyethylene coconut oil fatty acid monoethanolamide, polyoxypropylene myristic acid monoethanolamide, and the like.

  Examples of pH adjusters include citric acid, tartaric acid, lactic acid, malic acid, succinic acid, fumaric acid, maleic acid, pyrophosphoric acid, gluconic acid, glucuronic acid, benzoic acid, 2-amino-2-methyl-1,3-propane Diol etc. are mentioned.

  Examples of the sugar include sorbitol and maltose. Examples of the preservative include parabens. Examples of the chelating agent include edetate disodium. Examples of the stabilizer include phenacetin, 8-hydroxyquinoline, acetanilide, sodium pyrophosphate, barbituric acid, uric acid, tannic acid and the like. Examples of the antioxidant include ascorbic acid and sulfite.

  Examples of the thickener include sodium chloride, o- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethylcellulose, guar hydroxypropyltrimonium chloride, and the like.

  The dosage form of the cleaning composition is not particularly limited. Specific examples include solid, liquid, gel, foam, cream and the like. When the dosage form is solid, a dispersant such as metal stearate, talc, crystalline cellulose, low-substituted hydroxypropylcellulose, dextrin, starch and the like may be further added as an additive.

  The use of the cleaning composition is not particularly limited as long as it is applied to a living body. For example, the cleaning composition may be used as a treatment agent for hair, a cleaning agent for body (body soap), a facial cleanser, a hand soap and the like. it can. Examples of the hair treatment agent include a hair washing agent (hair shampoo), various post-treatment agents applied after permanent wave treatment, hair decoloration / decoloration treatment, and hair dyeing treatment.

(Experimental example 1)
Next, the embodiments of the present invention will be described more specifically with reference to some examples and comparative examples. In this experimental example, the cleaning composition of the present invention was applied as a hair cleaning agent (hair shampoo) and evaluated.

  In this experimental example, cleaning composition (Examples 1 to 39, Comparative Examples 1 to 13) containing each component shown in Tables 1 to 5 was prepared. And about these washing | cleaning agent compositions, the drying suppression effect, solubility, foaming, foaminess, and the stability after the drying were evaluated.

  In addition, all the numerical values corresponding to each component shown in the table indicate the content of each component, and the unit is mass%. In addition, among the components, those corresponding to (A) component, (B) component, (C) component ((C1) component), (C2) component) of the present invention are “A”, “B”, “ C1 ”and“ C2 ”are attached. In addition, the components for comparison of the component (A) and the component (B) of the present invention are denoted by “A ratio” and “B ratio”. Further, the component (C) of the present invention is a component for comparison, and the nonionic surfactant is indicated with “C ratio”, and the cationic surfactant is indicated with “C ratio”.

[Drying suppression effect]
Each of the cleaning compositions of Examples and Comparative Examples was applied to the forearm inner side, washed with water, and lightly pressed with a towel to remove moisture. Six hours later, the stratum corneum moisture content (unit: μS (micro-Siemens)) was measured using a highly sensitive stratum corneum film thickness / water meter ASA-MX manufactured by Asahi Biomed. As a control, water was applied to the inner side of the forearm and lightly pressed with a towel to remove the moisture. Six hours later, the stratum corneum moisture content was measured.

  The evaluation of the drying suppression effect is to calculate the difference between the measured value of the stratum corneum water content of each example and comparative example and the measured value of the stratum corneum water content of the control. The case of 0.8 or more and less than 1.6 is “8”, the case of 1.6 or more and less than 2.4 is “7”, the case of 2.4 or more and less than 3.2 is “6”, 3.2 or more and 4 Less than 0.0 is "5", 4.0 or more and less than 4.8 is "4", 4.8 or more and less than 5.6 is "3", 5.6 or more and less than 6.5 Was set to “2”, and 6.5 or more was set to “1”.

[Solubility]
(A) About the solubility in the cleaning agent composition of the cyclohexanedicarboxylic acid bisethoxydiglycol which is a component, it leaves it for 1 day after preparing each cleaning composition of an Example and a comparative example, (A) Precipitation of a component The presence or absence was confirmed. Evaluation of solubility is “◎” when precipitation is not observed even after standing for one day, and is well dissolved, and when precipitation is slightly observed after leaving for one day, but is dissolved almost satisfactorily Was marked as “◯” when a considerable amount of precipitation was observed after standing for 1 day and it could not be said that precipitation was good.

[Bubbling]
Each of the 20 expert panelists applied a certain amount of each of the cleaning compositions of Examples and Comparative Examples to evaluation wigs (human straight hair) that had been washed in advance, and using both fingers for normal hair washing. Thoroughly whipped. As for the evaluation of foaming, among the 20 panelists, when the number of panelists evaluated as “good foaming” is 17 or more, “5… excellent”, and when 13-16, “4… excellent” In the case of 9 to 12 persons, “3... Good”, in the case of 5 to 8 persons “2.

[Foam mochi]
In the evaluation wig in the evaluation of foaming, the detergent composition of Examples and Comparative Examples is difficult to defoam after foaming, and cushioning property by foam between hair and fingers is maintained. From the standpoint of whether or not, foam was evaluated. The evaluation of the bubble gluten is that, among 20 panelists, the number of panelists evaluated as “Bubble chubby is good” is 17 or more, “5… Excellent”, 13-16 The case of "4 ... excellent", the case of 9 to 12 people was "3 ... good", the case of 5-8 people was "2 ... somewhat bad", and the case of 4 people or less was "1 ... bad".

[As per finger after drying]
Subsequent to the evaluation of foaming and foaming, the evaluation wig after washing with each of the cleaning compositions of Examples and Comparative Examples was sufficiently dried using a drier after washing with water. The hair of the evaluation wig after drying was combed with fingers, and the finger passage was evaluated. The evaluation of finger passage after drying is “7 ... very good” when the number of panelists evaluated as “finger passage is good” is 20 or more among 20 panelists, and the case of 15-17 is “ 6… very good ”,“ 5 ... excellent ”for 12-14 people,“ 4 ... good ”for 9-11 people,“ 3 ... somewhat bad ”for 6-8 people, 3-5 The case of a person was defined as “2... Bad” and the case of two or less persons was designated as “1.

[Stability]
Each cleaning composition of the Examples and Comparative Examples was stored in a constant temperature bath at 60 ° C. The state of each cleaning composition was confirmed visually, and evaluated based on the following evaluation criteria based on the period until the appearance became non-uniform (a state where the components were separated). The evaluation of stability is “◎… excellent” when the period until the appearance becomes non-uniform is 14 days or more, “◯… good” when 7 days or more and less than 14 days, and “less than 7 days” △ ... Defective ”.

[Evaluation results]
As shown in Tables 1 to 5, the cleaning compositions of Examples 1 to 39 have less decrease in the stratum corneum moisture after 6 hours of use compared to the cleaning compositions of Comparative Examples 1 to 13 ( It can be seen that the evaluation of the drying suppression effect is “4” or more), and the drying suppression evaluation is high. Moreover, it turns out that it is excellent also in solubility, foaming, foaminess, the finger after drying, and stability.

  In addition, in order to confirm the drying suppression effect of the hand skin when the cleaning composition of the present invention is repeatedly used, the evaluation wig is washed with water → washed with the cleaning composition → washed with water → dried as one set. This was repeated 10 sets. The cleaning composition of Example 39 was used as the cleaning composition here. Six hours after the completion of 10 sets, the moisture content of the back of the hand of the hair washing operator was measured. As a result, the cleaning composition of Example 39 was confirmed to have a high drying inhibitory effect. From this high drying suppression effect, the drying suppression effect can be expected not only on the hand skin of the hair wash operator (the person to be washed or the hairdresser), but also on the skin (scalp) of the hair wash person.

(Other embodiments)
Furthermore, as another embodiment of the present invention, a body cleaning agent (body soap) having the following formulation was prepared. The content of each component is as shown in Table 6.

  It was confirmed that the body cleanser of the following prescription example has a high drying inhibitory effect and is excellent in solubility, stability, foaming, foamyness, and skin finish after towel drying (no stickiness, moist feeling). .

  The present invention is not limited to the above-described embodiments and experimental examples, and it goes without saying that the present invention can be implemented in various modes without departing from the present invention.

Claims (4)

  (A) Cyclohexanedicarboxylic acid bisethoxydiglycol, (B) at least one selected from polyethylene glycol and propylene glycol having a polymerization degree of 2 or more, and (C) an anionic surfactant and an amphoteric surfactant. A cleaning composition comprising at least one selected from the group consisting of:   The said (C) component contains (C1) anionic surfactant and (C2) amphoteric surfactant, The cleaning composition of Claim 1 characterized by the above-mentioned.   The mass ratio (A) / ((A) + (B)) of the content of the component (A) to the total content of the component (A) and the component (B) is in the range of 0.1 to 0.6. The cleaning composition according to claim 1, wherein the cleaning composition is within the range.   A method for inhibiting skin irritation, comprising using the cleaning composition according to any one of claims 1 to 3.