JP2014208633A - Skin detergent composition in foamer container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a skin detergent composition in a foamer container, allowing good foaming by the foamer container, being good in elasticity of foam discharged from the foamer container and in foam volume after rubbing, giving no sliminess in rinsing, shortening rinsing time, imparting good fresh feeling after rinsing, preventing clogging inside the foamer container when used for a long time, and having good foam discharge performance from the foamer container.SOLUTION: A skin detergent composition in a foamer container contains (A) RCOOM (Rrepresents a monovalent hydrocarbon group having a carbon number of 7 to 21, and M represents any of an alkali metal, an alkanolamine and a basic amino acid), (B) a N-acyl glycine salt, (C) a copolymer with a certain viscosity, comprising a dimethyldiallylammonium chloride and at least any of acrylic acid and acrylamide as a monomer unit, (D) a sugar alcohol and (E) a polyethylene glycol having an average molecular weight of 190 to 630, where the content of (A) component is 3 mass% to 7 mass%, the content of (D) component is 2 mass% to 7 mass%, and the mass ratio (A+D)/E of (A) component and (D) component to (E) component is 5 to 20.

Description

  The present invention relates to a skin cleanser composition in a former container.

Conventionally, a refreshing feel after washing has been preferred, and fatty acid salts have been used as washing bases for skin cleansing agents. However, a skin cleanser composition containing a fatty acid salt, when filled in a former container, has good elasticity of the foam discharged from the former container and a refreshing feeling after rinsing, but it is slippery during rinsing. In addition, there is a problem that clogging occurs in the mesh of the former container during long-term use, and foam dischargeability from the former container decreases (for example, see Patent Document 1).
Therefore, fatty acid salt is used as a cleaning substrate, the elasticity of the foam discharged from the former container and the amount of foam after rubbing are good, there is no luster when rinsing, the rinsing time is short, and a refreshing feeling after rinsing It is desired to provide a skin cleanser composition in a foam container that is good, foams well in the foam container, can prevent clogging of the foam container during long-term use, and has good foam discharge from the foam container. .

JP 2010-241740 A

  An object of the present invention is to solve the above-described problems and achieve the following objects. That is, the present invention has good foaming by the former container, the elasticity of the foam discharged from the former container and the amount of foam after rubbing are good, there is no stickiness during rinsing, the rinsing time is short, and the refreshing after rinsing An object of the present invention is to provide a skin cleanser composition in a former container that has a good feeling, can prevent clogging in the former container during long-term use, and has good foam dischargeability from the former container.

As a means for solving the above problems, a skin cleanser composition in a former container according to the present invention,
(A) a fatty acid salt represented by the following general formula (1),
R ¹ COOM General formula (1)
(In the general formula (1), R ¹ represents a monovalent hydrocarbon group having 7 to 21 carbon atoms, and M represents any one of an alkali metal, an alkanolamine, and a basic amino acid.)
(B) N-acylglycine salt,
(C) a copolymer comprising dimethyldiallylammonium chloride and at least one of acrylic acid and acrylamide as monomer units,
(D) sugar alcohol, and (E) polyethylene glycol having an average molecular weight of 190 to 630,
Containing
In the copolymer of component (C), the molar ratio (c1: c2) between dimethyldiallylammonium chloride (c1) and at least one of acrylic acid and acrylamide (c2) is 20:80 to 70:30. And the viscosity of the copolymer solution at a solid content of 39% by mass to 45% by mass is 1,200 mPa · s to 6,000 mPa · s at 25 ° C.,
The content of the component (A) is 3% by mass to 7% by mass,
Content of the said (D) component is 2 mass%-7 mass%,
The mass ratio (A + D) / E of the component (A) and the component (D) and the component (E) is 5 to 20.

  According to the present invention, the conventional problems can be solved, the object can be achieved, the foaming by the former container is good, the elasticity of the foam discharged from the former container and the foam amount after rubbing are good. A foamer that has no slipperiness during rinsing, a short rinsing time, a good refreshing feeling after rinsing, can prevent clogging in the former container during long-term use, and has good foam discharge from the former container A containerized skin cleanser composition can be provided.

(Former container skin cleanser composition)
The skin cleanser composition in a former container of the present invention contains (A) a fatty acid salt, (B) an N-acylglycine salt, (C) dimethyldiallylammonium chloride, and at least one of acrylic acid and acrylamide as monomer units. A copolymer, (D) a sugar alcohol, and (E) polyethylene glycol, preferably (F) containing at least one of propylene glycol and dipropylene glycol, and further containing other components as necessary. It contains.

  The skin cleanser composition in a former container according to the present invention is a monomer comprising the (A) fatty acid salt, the (B) N-acylglycine salt, the (C) dimethyldiallylammonium chloride, and at least one of acrylic acid and acrylamide. A copolymer containing units, (D) sugar alcohol, and (E) polyethylene glycol having an average molecular weight of 190 to 630, preferably (F) at least one of propylene glycol and dipropylene glycol in specific amounts. By synergistically acting these components, the foam discharged from the former container has elasticity, foaming by the former container is good, the amount of foam after rubbing is good, and there is no stickiness when rinsing , Rinse time is short, refreshing feeling after rinsing is good, Can prevent clogging of Oma vessel, exhibits an excellent technical effect of the discharge of the foam from the foamer container is improved.

<(A) Fatty acid salt>
The fatty acid salt of the component (A) is represented by the following general formula (1).
R ¹ COOM General formula (1)
In the general formula (1), R ¹ represents a monovalent hydrocarbon group having 7 to 21 carbon atoms, M represents either alkali metals, alkanol amines and basic amino acids.
R ¹ represents a linear or branched monovalent hydrocarbon group having 7 to 21 carbon atoms, which may be saturated or unsaturated, and a part of the hydrogen atoms of the hydrocarbon group is a hydroxyl group. May be substituted. Among these, a straight chain having 11 to 15 carbon atoms is preferable from the viewpoint of foaming by a former container and a refreshing feeling after rinsing.
When the carbon number of R ¹ is less than 7, there is no surface activity and foaming by the former container may be deteriorated. When it exceeds 21, foaming by the former container and refreshing feeling after rinsing are deteriorated. Sometimes.

In the general formula (1), M represents any one of an alkali metal, an alkanolamine, and a basic amino acid.
There is no restriction | limiting in particular as said alkali metal, According to the objective, it can select suitably, For example, sodium, potassium, etc. are mentioned.
The alkanolamine is not particularly limited and may be appropriately selected depending on the intended purpose. For example, monoethanolamine, diethanolamine, triethanolamine, 2-amino-2-methyl-1-propanol, diisopropanolamine, Etc.
There is no restriction | limiting in particular as said basic amino acid, According to the objective, it can select suitably, For example, a lysine, arginine, etc. are mentioned.
Among these, as said M, an alkali metal is preferable and potassium is especially preferable from the point of foaming by a former container and the refreshing feeling after a rinse.

The fatty acid salt represented by the general formula (1) is not particularly limited and may be appropriately selected depending on the intended purpose. For example, caprylate, pelargonate, caprate, undecanoate, laurin Acid salt, caproleate, undecylenate, lauroleate, 2-ethylbutanoate, isopentanoate, 2-ethylpentanoate, 2-ethylhexanoate, isononanoate, 3,5,5-trimethyl Hexanoate, tridecanoate, tetramethylnonanoate, myristate, pentadecanoate, palmitate, stearate, arachidate, behenate, lignocerate, serotinate, myristate , Palmitoleate, oleate, elaidate, gondoate, erucate, ceracholate, linoleate, Palm which is a mixture of noelinate, linolenate, arachidonate, 2-hexyldecanoate, isostearate, 12-hydroxystearate, laurate, myristate, palmitate and caprate And oil fatty acid salts. These may be used alone or in combination of two or more.
Among these, potassium laurate, potassium myristate, potassium palmitate, potassium stearate, potassium isostearate, potassium oleate and potassium coconut oil fatty acid are preferable from the viewpoint of foaming by the former container, and potassium laurate, potassium myristate Further, potassium palmitate is more preferable, and combined use of potassium laurate and potassium myristate or potassium palmitate is more preferable from the viewpoint of shortening the rinsing time.
When the potassium laurate (A1) and the potassium myristate or potassium palmitate (A2) are used in combination, the mass ratio (A1 / A2) is not particularly limited and may be appropriately selected according to the purpose. Although it is possible, 1/1 to 5/1 is preferable.

The content of the fatty acid salt of the component (A) is 3% by mass to 7% by mass and 4% by mass with respect to the total amount of the skin cleansing composition from the viewpoint of foaming by the former container and shortening of the rinsing time. % To 6% by mass is preferable. When the content is less than 3% by mass, foaming by the former container, elasticity of the foam discharged from the former container, and the amount of foam after rubbing are deteriorated, and the refreshing feeling after rinsing may be reduced, If it exceeds 7% by mass, the slickness during rinsing becomes stronger, the rinsing time becomes longer, clogging occurs in the former container during long-term use, and the foam dischargeability from the former container may deteriorate. .
The fatty acid salt of the component (A) is not particularly limited, and can be blended as a fatty acid salt, but the fatty acid and potassium hydroxide, triethanolamine, monoethanolamine, etc. are separately separated in the blending tank. It is good also as a fatty acid salt by adding and neutralizing reaction.

<(B) N-acylglycine salt>
Examples of the N-acyl group in the N-acylglycine salt of the component (B) include, for example, octanoyl group, decanoyl group, lauroyl group, myristoyl group, palmitoleyl group, stearoyl group, oleoyl group, linoleoyl group, coconut oil fatty acid And acyl group (cocoyl group). Among these, a lauroyl group, a myristoyl group, and a coconut oil fatty acid acyl group are particularly preferable from the viewpoint of the elasticity of the foam discharged from the former container and the amount of foam after rubbing.
Examples of the counter ion of the N-acylglycine salt include alkali metal ions such as sodium ion and potassium ion, and alkanolamines such as triethanolamine. Among these, sodium ion and potassium ion are preferable from the viewpoint of the elasticity of the foam discharged from the former container and the amount of foam after rubbing.
Examples of the N-acylglycine salt of the component (B) include N-cocoylglycine potassium (N-coconut oil fatty acid acylglycine potassium), N-cocoylglycine sodium (N-coconut oil fatty acid acylglycine sodium), and the like. Preferably mentioned.

The content of the N-acylglycine salt of the component (B) is not particularly limited and can be appropriately selected depending on the purpose. From the viewpoint of the amount of foam after rubbing and rinsing properties, the skin cleanser composition 0.5% by mass to 2% by mass is preferable, and 0.8% by mass to 1.5% by mass is more preferable based on the total amount of the object.
When the content is less than 0.5% by mass, the amount of foam after rubbing is small, and there is a possibility that it may become wet during rinsing. When the content exceeds 2% by mass, the refreshing feeling after rinsing and the former container The elasticity of the discharged foam may be impaired.

ただし、前記一般式（２）中、ｎ、ｍ、及びｚは、各モノマー単位のモル比を示し、ｎ＋ｍ＋ｚ＝１００であり、ｎは０〜３５が好ましい。ｍは２０〜７０が好ましく、２０〜４０がより好ましい。ｚは０〜８０が好ましく、３０〜７６がより好ましい。なお、前記一般式（２）で表される共重合体は、アクリル酸由来のｎ単位、及びアクリルアミド由来のｚ単位の少なくともいずれかを含む。 <(C) Copolymer containing dimethyldiallylammonium chloride and at least one of acrylic acid and acrylamide as monomer units>
By blending the copolymer of the component (C) into the skin cleanser composition, it is possible to reduce the lingering time and drastically shorten the rinsing time.
As said (C) component, the copolymer represented by following General formula (2) is suitable.

However, in the said General formula (2), n, m, and z show the molar ratio of each monomer unit, it is n + m + z = 100, and 0-35 are preferable for n. m is preferably 20 to 70, and more preferably 20 to 40. z is preferably from 0 to 80, and more preferably from 30 to 76. In addition, the copolymer represented by the general formula (2) includes at least one of an n unit derived from acrylic acid and a z unit derived from acrylamide.

  The copolymer represented by the general formula (2) is synthesized by copolymerizing two or more selected from the following monomer A, monomer B, and monomer C. Can do.

Examples of the monomer A include acrylic acid (AA) represented by the following structural formula.

Examples of the monomer B include dimethyldiallylammonium chloride (DADMAC) represented by the following structural formula.

Examples of the monomer C include acrylamide (AM) represented by the following structural formula.

  In the copolymer of component (C), the molar ratio (c1: c2) between (c1) dimethyldiallylammonium chloride and (c2) at least one of acrylic acid and acrylamide is 20:80 to 70:30. From the viewpoint of shortening the rinsing time, 20:80 to 35:65 is preferable. If the ratio of dimethyldiallylammonium chloride to at least one of acrylic acid and acrylamide is less than 20, the effect of shortening the rinsing time may be reduced, and if it exceeds 70, the elasticity of foam discharged from the former container The foam container may become clogged during long-term use, and foam discharge from the former container may be reduced.

The ratio of each monomer in the component (C) can be determined by measuring under the following measurement conditions by nuclear magnetic resonance (NMR).
[Measurement condition]
Solvent: heavy water (D ₂ O)
Measuring instrument: JNM-LA300 (300 MHz, manufactured by JEOL Ltd.)

The weight average molecular weight of the copolymer of the component (C) is not particularly limited and can be appropriately selected according to the purpose. From the viewpoint of the elasticity of the foam discharged from the former container and the effect of shortening the rinsing time. 100,000 to 1,000,000 are preferable, and 100,000 to 500,000 are more preferable. When the weight average molecular weight is less than 100,000, the effect of shortening the rinsing time may be reduced, and when it exceeds 1,000,000, the elasticity of bubbles discharged from the former container may be reduced.
The weight average molecular weight of the copolymer of component (C) is, for example, SEC-MALLS-RI system (measurement conditions: column: TSKgel α series α-M column 30 cm manufactured by Tosoh Corporation, solvent: sodium nitrate 0.3 M aqueous solution). Can be measured.

The viscosity of the copolymer solution of the component (C) at a solid content of 39% by mass to 45% by mass is 1 at 25 ° C. from the viewpoint of the elasticity of the foam discharged from the former container and the effect of shortening the rinsing time. It is 200 mPa · s to 6,000 mPa · s, and the viscosity at a solid content of 41% by mass to 45% by mass is preferably 1,200 mPa · s to 4,500 mPa · s at 25 ° C., and the solid content is 39% by mass to 43% by mass. The viscosity in mass% is preferably 3,000 mPa · s to 6,000 mPa · s at 25 ° C., more preferably 1,200 mPa · s to 4,500 mPa · s.
If the viscosity is less than 1,200 mPa · s, the effect of shortening the rinsing time may be reduced, and if it exceeds 6,000 mPa · s, the elasticity of the foam discharged from the former container may be reduced.
The viscosity can be measured using a Brookfield viscometer RVF (Brookfield) or a Brookfield viscometer LVF (Brookfield).

A commercially available product can be used as the copolymer of the component (C), and examples of the commercially available product include the following.
(1) Copolymer having a molar ratio (n: m: z) = 0: 24: 76 in the general formula (2) -Mercoat 740 (display name: Polyquaternium-7, manufactured by Lubrizol Corporation, solid content: 41 mass % To 45% by mass, viscosity 1,200 mPa · s to 4,500 mPa · s (Brookfield viscometer RVF, spindle No. 3, 10 revolutions / minute, 25 ° C.), weight average molecular weight 120,000)
(2) Copolymer having a molar ratio (n: m: z) = 0: 25: 75 in the general formula (2). Salcare Super 7 AT1 (Display name: Polyquaternium-7, manufactured by BASF, solid content 39 Mass% to 41 mass%, viscosity 3,500 mPa · s to 6,000 mPa · s (Brookfield viscometer RVF, spindle No. 3, 10 revolutions / minute, 25 ° C.), weight average molecular weight 150,000)
(3) Copolymer with a molar ratio (n: m: z) = 35: 65: 0 in the above general formula (2) Mercoat 280 (Display name: Polyquaternium-22, manufactured by Lubrizol Corporation, solid content: 39 mass % To 43 mass%, viscosity 3,000 mPa · s to 6,000 mPa · s (Brookfield viscometer LVF, spindle No. 4, 60 revolutions / minute, 25 ° C.), weight average molecular weight 450,000)
In addition, as a powder type of Marcoat 280, Marcoat 280SD (solid content 94 mass% or more, weight average molecular weight 450,000) manufactured by Lubrizol can be used.
(4) Copolymer with a molar ratio (n: m: z) = 31: 29: 40 in the general formula (2). Marcoat 3940 (Display name: Polyquaternium-39, manufactured by Lubrizol, solid content: 41 mass) % To 45% by mass, viscosity 1,500 mPa · s to 4,500 mPa · s (Brookfield viscometer RVF, spindle No. 3, 10 revolutions / minute, 25 ° C.), weight average molecular weight 150,000)
Among these, from the viewpoint of the effect of shortening the rinsing time, in the general formula (2), the molar ratio (n: m: z) = 0: 24: 76, the solid content is 41% by mass to 45% by mass, and 25 ° C. A marcoat 740 having a viscosity at 1,200 mPa · s to 4,500 mPa · s is preferably used.

The content of the copolymer of the component (C) is preferably 0.02% by mass to 0.3% by mass, and 0.03% by mass from the viewpoint of reducing the strength of slickness during rinsing and shortening the rinsing time. % To 0.25% by mass is more preferable.
When the content is less than 0.02% by mass, the scouring may occur during rinsing or the rinsing time may be longer. When the content exceeds 0.3% by mass, the slickness during rinsing may increase. In addition, the rinsing time becomes longer, and the refreshing feeling after rinsing may be reduced.

<(D) Sugar alcohol>
The sugar alcohol as the component (D) can improve the refreshing feeling after rinsing and improve the elasticity of the foam discharged from the former container.
There is no restriction | limiting in particular as sugar alcohol of said (D) component, According to the objective, it can select suitably, For example, xylitol, sorbitol, mannitol, maltitol, lactitol, oligosaccharide alcohol, etc. are mentioned. These may be used alone or in combination of two or more. Among these, sorbitol, xylitol, and mannitol are preferable, and sorbitol is particularly preferable from the viewpoint of a refreshing feeling after rinsing and the elasticity of the foam discharged from the former container.
The content of the sugar alcohol of the component (D) is the elasticity of the foam discharged from the former container, the refreshing feeling after rinsing, and the discharge characteristic of the foam from the former container when used for a long time under high temperature (40 ° C.) conditions. From this point, it is 2 mass%-7 mass% with respect to the skin cleaning composition whole quantity, and 3 mass%-4 mass% are preferable.
When the content is less than 2% by mass, the elasticity of the foam discharged from the former container is weak, and the refreshing feeling after rinsing may be reduced. When the content exceeds 7% by mass, the refreshing feeling after rinsing is felt. In some cases, clogging occurs in the former container during long-term use under a high temperature (40 ° C.) condition, and foam dischargeability from the former container may be reduced.

<(E) Polyethylene glycol having an average molecular weight of 190 to 630>
The polyethylene glycol having an average molecular weight of 190 to 630 as the component (E) can prevent clogging in the former container during long-term use, and can improve the discharge property of bubbles from the former container.
When the average molecular weight is less than 190, the foam discharge effect of the former container may not be obtained, and when it exceeds 630, the refreshing feeling at the time of rinsing may be lowered.
The average molecular weight can be measured by the average molecular weight test described in Quasi-drug raw material standard 2006.

Examples of the polyethylene glycol include polyethylene glycol 200 (average molecular weight 190 to 210), polyethylene glycol 300 (average molecular weight 280 to 320), polyethylene glycol 400 (average molecular weight 380 to 420), polyethylene glycol 600 (average molecular weight 570 to 630). ), Etc.
Depending on the product, for example, polyethylene glycol 200 may have a # between the polyethylene glycol and the numerical value, such as polyethylene glycol # 200.
Among these, polyethylene glycol 300 is preferable from the viewpoint of rinsing performance and foam dischargeability by the former container.
The content of the polyethylene glycol as the component (E) is not particularly limited and can be appropriately selected according to the purpose. However, clogging in the former container during long-term use can be prevented, and foam from the former container can be prevented. From the point which improves discharge property, 0.4 mass%-1.5 mass% are preferable with respect to the skin cleaning composition whole quantity, and 0.5 mass%-0.8 mass% are more preferable. When the content is less than 0.4% by mass, the foam dischargeability from the former container may be deteriorated during long-term use. Or the refreshing feeling after rinsing may be reduced.

<Mass ratio (A + D) / E>
The mass ratio (A + D) / E of the component (A) and the component (D) and the component (E) is 5 to 20 from the viewpoint of good foam dischargeability from the former container, 9-17 are preferable.
When the mass ratio (A + D) / E is less than 5, rinsing may occur during rinsing or the rinsing time may be longer. When it exceeds 20, the mesh of the former container may be clogged during long-term use. It may occur and the discharge property of the foam from a former container may fall.

<(F) Propylene glycol, dipropylene glycol>
By blending at least one of propylene glycol and dipropylene glycol as component (F), clogging of the mesh of the former container at the time of long-term use under a low temperature (5 ° C.) condition is prevented. The foam discharge property can be improved.
Among the propylene glycol and dipropylene glycol as the component (F), propylene glycol is more preferable from the viewpoint of suppressing clogging of the mesh of the former container when used for a long time under a low temperature (5 ° C.) condition.
The content of at least one of propylene glycol and dipropylene glycol as the component (F) is not particularly limited and may be appropriately selected depending on the intended purpose. In order to prevent clogging of the mesh of the former container and good foam dischargeability from the former container, 3% by mass to 15% by mass is preferable with respect to the total amount of the skin cleansing composition, and 5% by mass. 10 mass% is more preferable.

<Other ingredients>
In addition to the component (A) to the component (F), the skin cleanser composition in a former container of the present invention can contain other components as long as the effects of the present invention are not impaired.
The other components are not particularly limited and can be appropriately selected from those usually used in skin cleansing compositions. For example, oils, silicones, lanolin derivatives, protein derivatives, acrylic resin dispersions Medicines such as vitamins, bactericides, preservatives; pH adjusters such as potassium hydroxide and citric acid, antioxidants, sequestering agents, ultraviolet absorbers, animal and plant extracts or derivatives thereof, chelating agents such as edetic acid, Examples thereof include pigments, fragrances, pigments, inorganic powders, clay minerals, water-insoluble polymer powders such as nylon and polyethylene.
The content of the other components can be appropriately selected according to the purpose within a range not impairing the effects of the present invention.

<Manufacturing method>
There is no restriction | limiting in particular as a manufacturing method of the skin cleaning composition in a former container of this invention, According to the objective, it can select suitably, For example, said (A) component-(E) component, as needed The component (F), the other components, and water (the remaining amount is blended so that the total amount of the skin cleanser composition is 100% by mass) can be obtained by mixing. The apparatus for preparing the skin cleansing composition is not particularly limited and may be appropriately selected depending on the intended purpose. However, a plurality of stirring blades (for example, propellers, turbines, dispersers, etc.) that can be mixed with shearing force as a whole. Is preferred. In addition, the (A) component to the (E) component, the (F) component, and the other components as necessary may be used alone in preparing the skin cleansing composition, Moreover, you may use in the state of the mixture containing 2 or more types of components.

<PH>
The pH (25 ° C.) of the skin cleansing composition is preferably 9.5 to 11 from the viewpoint of improving the amount of foam during use and its durability, and the cleaning power, and from the viewpoint of low-temperature stability, 9 .8 to 10.6 is more preferable. When the pH is less than 9.5, low-temperature stability may be deteriorated, and when it exceeds 11, skin irritation may occur.
In addition, the said pH can be measured based on the quasi-drug raw material specification 2006 general test method pH measurement method, for example.

<Former container>
The foam cleaning agent composition in the former container of the present invention is used by filling the former container.
Examples of the former container include a non-gas type foam discharge container. The non-gas type foam discharge container is not particularly limited as long as the skin cleanser composition can be mixed with air and discharged in a foamed state, and can be appropriately selected according to the purpose. Examples thereof include a squeeze foamer container that can discharge foam by manually squeezing the part, and a pump foamer container that can discharge foam by pushing down the nozzle part. As such a former container, for example, those manufactured by Daiwa Steel Co., Ltd., Yoshino Kogyo Co., Ltd., etc. can be used.
The non-gas type foam discharge container usually has a porous film body for forming bubbles (the material is preferably a plastic material such as nylon, polyester, polyolefin, etc.), and the skin cleaning composition is the porous film. Bubbles are formed by passing through the body. There is no restriction | limiting in particular as a mesh of the said porous membrane body, Although it can select suitably according to the objective, For example, 100 mesh or more are preferable, 100 mesh-400 mesh are more preferable, 200 mesh-350 mesh are Further preferred.
There is no restriction | limiting in particular as the number of the said porous membrane body, Although it can select suitably according to the objective, 2 sheets-4 sheets are preferable from a viewpoint of improving foam performance. More specifically, the former containers described in JP-A-7-315463, JP-A-8-230961, and JP-A-2005-193972 can be preferably used.

<Properties>
There is no restriction | limiting in particular as a property of the said skin cleansing composition, Although it can select suitably according to the objective, A liquid state is preferable at normal temperature. Further, when using the former container, for example, when using two pump mesh containers and 200 meshes that can discharge bubbles by pushing down the pump, the viscosity of the skin cleanser composition under the temperature conditions used is particularly Although there is no restriction | limiting and it can select suitably according to the objective, 1 mPa * s-30 mPa * s are preferable at 25 degreeC, and 1 mPa * s-10 mPa * s are more preferable.
The viscosity is 10 mPa · s to 30 mPa · s at a rotation speed of 60 rpm with a BL adapter when the sample temperature is less than 10 mPa · s using, for example, a BL type viscometer (manufactured by Tokyo Keiki Co., Ltd.). In this case, the rotor No. 1. The viscosity after 1 minute can be measured at 60 rpm.

<Application>
The use of the skin cleanser composition in the former container of the present invention is not particularly limited and may be appropriately selected depending on the intended purpose. For example, face wash, hand soap, body soap, body shampoo, cleansing foam, makeup Drop, etc. Among these, a hand soap is preferable because of its excellent rinsing performance.

  EXAMPLES The present invention will be specifically described below with reference to examples of the present invention, but the present invention is not limited to these examples. In addition, in the Example and comparative example which are shown below, content of each component shows a pure conversion value.

(Examples 1-37 and Comparative Examples 1-14)
As shown in Tables 1 to 11, the components (A), (D) and purified water were uniformly mixed at 70 ° C. using a paddle type stirrer. While continuing the stirring, the component (B) was added and dissolved uniformly. Subsequently, (C) component or (C ') component was added and melt | dissolved, (E) component or (E') component and (F) component were added as needed, and it cooled to 25 degreeC, stirring. Subsequently, the pH was measured using a pH meter (HM-30V, manufactured by Toa DKK Corporation), and the pH was adjusted to 10.0 using a 48 mass% potassium hydroxide solution. By the above, each skin cleaning composition (hand soap) of Examples 1-37 and Comparative Examples 1-14 was prepared. In addition, all the skin cleaning composition of an Example and a comparative example were all liquid at 25 degreeC.

Next, each of the obtained skin cleanser compositions of Examples 1 to 37 and Comparative Examples 1 to 13 was placed in a container 1: a former pump container (200 mesh, 2 sheets, manufactured by Yoshino Kogyo Co., Ltd. (JP 2005-2005)). The same as the pump used in Example 2 of No. 193972)), and the skin cleanser compositions in former containers of Examples 1 to 37 and Comparative Examples 1 to 13 were prepared, and the following evaluation was performed.
Also, only the skin cleanser composition of Comparative Example 14 was filled in a container 2: a container with a pump dispenser (discharge amount 1 mL, nozzle diameter (inner diameter) 3.5 mm, manufactured by Canyon Co., Ltd.), and with a pump dispenser of Comparative Example 14 A container-containing skin cleanser composition was prepared and evaluated as follows.

About the produced skin cleaning composition in each container of Examples 1 to 32 and Comparative Examples 1 to 14, “good foaming”, “elasticity of discharged foam”, “foam after rubbing” “Amount”, “Rinse time”, “Strength of rinsing when rinsed”, “Fresh feeling after rinsing”, and “Dischargeability of foam during long-term use under high temperature conditions” were evaluated based on the following criteria. . The results are shown in Tables 1 to 7 and Tables 9 to 11.
In addition to the above seven evaluation items, in addition to the seven evaluation items described above, the following criteria were added to the skin cleaning compositions contained in each of Examples 33 to 37, and the following criteria were added. Based on the evaluation. The results are shown in Table 8.

<Good foaming>
Ten professional panelists took each container-containing skin cleansing composition 1 push (about 1 g) in the palm of the hand and evaluated the foaming quality based on the following evaluation criteria. As a result, the average score of 10 professional panelists was obtained and determined based on the following criteria.
〔Evaluation criteria〕
5 points: Uniformly fine bubbles 4 points: Slightly slightly large bubbles are mixed in fine bubbles 3 points: Fine bubbles and large bubbles are mixed in half ratio 2 points: Large bubbles Fine bubbles are mixed in 1 point: Most of the large bubbles do not become bubbles [Criteria]
◎: 4.5 or more and 5 or less ○: 4.0 or more and less than 4.5 △: 3.0 or more and less than 4.0 ×: less than 3.0

<Resistance of discharged foam>
Ten professional panelists took each container-containing skin cleansing composition 1 push (about 1 g) and evaluated the elasticity of the foam when the palms of both hands were rubbed together based on the following evaluation criteria. As a result, the average score of 10 professional panelists was obtained and determined based on the following criteria.
〔Evaluation criteria〕
5 points: very resilient 4 points: resilient 3 points: somewhat resilient 2 points: slightly resilient 1 point: not resilient [Criteria]
A: 4.0 to 5 points ○: 3.0 to less than 4.0 points Δ: 2.0 to less than 3.0 points ×: Less than 2.0 points

<Amount of foam after rubbing>
Ten expert panelists took each container-containing skin cleanser composition 1 push (about 1 g) and evaluated the amount of foam immediately after rubbing both hands 10 times based on the following evaluation criteria. As a result, the average score of 10 professional panelists was obtained and determined based on the following criteria.
〔Evaluation criteria〕
5 points: very large amount of foam 4 points: large amount of foam 3 points: slightly large amount of foam 2 points: slightly small amount of foam 1 point: small amount of foam [Criteria]
A: 4.0 to 5 points ○: 3.0 to less than 4.0 points Δ: 2.0 to less than 3.0 points ×: Less than 2.0 points

<Rinsing time>
Ten professional panelists took each container-containing skin cleanser composition 1 push (about 1 g) on a wet palm and rubbed their hands for 10 seconds, and then measured the time required for rinsing. Rinsing was performed with tap water with a water volume of 2 L / min, and when the expert panelists judged that there was no stickiness, or that no stickiness was removed even after rinsing for 15 seconds or more, the rinsing was finished. Time was measured with a stopwatch. As a result, the average score of 10 professional panelists was obtained and determined based on the following criteria.
[Criteria]
◎: Less than 7 seconds ○: More than 7 seconds and less than 11 seconds △: More than 11 seconds and less than 15 seconds ×: More than 15 seconds

<Strength of slickness during rinsing>
10 professional panelists take 1 container (about 1g) of skin cleanser composition in each container on wet palms, rub both palms for 10 seconds, and then rinse for 2 seconds with tap water at 2L / min The strength of the sliminess was evaluated based on the following evaluation criteria. As a result, the average score of 10 professional panelists was obtained and determined based on the following criteria.
〔Evaluation criteria〕
5 points: There is almost no sliminess 4 points: There is sliminess but very weak 3 points: Weakness is weak 2 points: Slightly strong luster 1 point: Strong lusteriness [Criteria]
A: 4.0 to 5 points ○: 3.0 to less than 4.0 points Δ: 2.0 to less than 3.0 points ×: Less than 2.0 points

<Feeling refreshed after rinsing>
10 expert panelists took 1 container (1g) of skin cleanser composition in each container onto a wet palm, rubbed both hands for 10 seconds, and then evaluated the refreshing feeling after rinsing based on the following evaluation criteria did. As a result, the average score of 10 professional panelists was obtained and determined based on the following criteria.
〔Evaluation criteria〕
5 points: Very refreshing feeling 4 points: Feeling refreshed 3 points: Feeling refreshed slightly 2 points: Feeling refreshed slightly 1 point: No feeling refreshed [Criteria]
A: 4.0 to 5 points ○: 3.0 to less than 4.0 points Δ: 2.0 to less than 3.0 points ×: Less than 2.0 points

<Dischargeability of foam during long-term use>
<< Foam discharge property during long-term use under high temperature conditions >>
Each skin cleansing composition was filled into each container 12 times, discharged 5 pushes each, and then stored at 40 ° C. and 30% RH. An expert panelist evaluated the results based on the following evaluation criteria by pushing three pumps of each composition after storage for 1 week, storage for 2 weeks, storage for 3 weeks, and storage for 4 weeks. The sample after evaluation was removed. In addition, when the skin cleaning composition is clogged in the mesh in the former pump container, the operation of the pump becomes heavy and it becomes difficult to push it. The results were evaluated based on the following criteria based on the average score.
〔Evaluation criteria〕
5 points: The pump can be pushed smoothly. 4 points: The pump can be pushed slightly smoothly. 3 points: The pump can be pushed slightly slightly. : It is quite heavy and the pump cannot be pushed [Criteria]
◎: When all evaluations are 3 points or more and the average value is 4.5 points or more ○: When all evaluations are 3 points or more and the average value is 4.0 points or more and less than 4.5 points △: When there is an evaluation of 2 points Or when the average value is 3.0 or more and less than 4.0 points x: When there is an evaluation of 1 point or when the average value is less than 3.0 points

<< Foam ejection characteristics during long-term use under low temperature conditions >>
Each skin cleansing composition was filled in each container 5 times, discharged 5 pushes respectively, and then stored at 5 ° C. and 30% RH for 1 month. A professional panelist pushed the pumps of 5 each composition at a rate of once a week during storage, and evaluated based on the following evaluation criteria. In addition, when the skin cleaning composition is clogged in the mesh in the former pump container, the operation of the pump becomes heavy and it becomes difficult to push it.
〔Evaluation criteria〕
5 points: The pump can be pushed smoothly. 4 points: The pump can be pushed slightly smoothly. 3 points: The pump can be pushed slightly slightly. : It is quite heavy and the pump cannot be pushed [Criteria]
◎: When all evaluations are 3 points or more and the average value is 4.5 points or more ○: When all evaluations are 3 points or more and the average value is 4.0 points or more and less than 4.5 points △: When there is an evaluation of 2 points If the average value is 3.0 points or more and less than 4.0 points ×: If there is an evaluation of 1 point, or if the average value is less than 3.0 points

  Specific contents of each component used in Examples 1 to 37 and Comparative Examples 1 to 14 are as shown in Table 12 and Table 13 below.

-(A) component-
* Potassium laurate was prepared by neutralizing lauric acid (NAA-122, manufactured by NOF Corporation) with potassium hydroxide (manufactured by Asahi Glass Co., Ltd., liquid caustic potash).
* Potassium myristate was prepared by neutralizing myristic acid (NAA-142, manufactured by NOF Corporation) with potassium hydroxide (manufactured by Asahi Glass Co., Ltd., liquid caustic potash).
* Potassium palmitate was prepared by neutralizing palmitic acid (NAA-171, manufactured by NOF Corporation) with potassium hydroxide (manufactured by Asahi Glass Co., Ltd., liquid caustic potash).
* Palm oil fatty acid potassium was prepared by neutralizing coconut oil fatty acid (manufactured by NOF Corporation) with potassium hydroxide (manufactured by Asahi Glass Co., Ltd., liquid caustic potash).

＊１：ブルックフィールド粘度計ＲＶＦ（ブルックフィールド社製）、スピンドルＮｏ．３、１０回転／分、２５℃
＊２：ブルックフィールド粘度計ＬＶＦ（ブルックフィールド社製）、スピンドルＮｏ．４、６０回転／分、２５℃
＊３：ブルックフィールド粘度計ＲＶＦ（ブルックフィールド社製）、スピンドルＮｏ．３、１０回転／分、２５℃
＊４：ブルックフィールド粘度計ＲＶＦ（ブルックフィールド社製）、スピンドルＮｏ．４、１０回転／分、２５℃ -(C) component and (C ') component-

* 1: Brookfield viscometer RVF (manufactured by Brookfield), spindle no. 3, 10 rev / min, 25 ° C
* 2: Brookfield viscometer LVF (manufactured by Brookfield), spindle no. 4, 60 rev / min, 25 ° C
* 3: Brookfield viscometer RVF (Brookfield), spindle no. 3, 10 rev / min, 25 ° C
* 4: Brookfield viscometer RVF (Brookfield), spindle no. 4, 10 rotations / minute, 25 ° C

  The skin cleanser composition in the former container of the present invention can be widely used for, for example, face wash, hand soap, body soap, body shampoo, cleansing foam, makeup remover, and the like.

Examples of the aspect of the present invention include the following.
<1> (A) a fatty acid salt represented by the following general formula (1),
R ¹ COOM General formula (1)
(In the general formula (1), R ¹ represents a monovalent hydrocarbon group having 7 to 21 carbon atoms, and M represents any one of an alkali metal, an alkanolamine, and a basic amino acid.)
(B) N-acylglycine salt,
(C) a copolymer comprising dimethyldiallylammonium chloride and at least one of acrylic acid and acrylamide as monomer units,
(D) sugar alcohol, and (E) polyethylene glycol having an average molecular weight of 190 to 630,
Containing
In the copolymer of component (C), the molar ratio (c1: c2) between dimethyldiallylammonium chloride (c1) and at least one of acrylic acid and acrylamide (c2) is 20:80 to 70:30. And the viscosity of the copolymer solution at a solid content of 39% by mass to 45% by mass is 1,200 mPa · s to 6,000 mPa · s at 25 ° C.,
The content of the component (A) is 3% by mass to 7% by mass,
Content of the said (D) component is 2 mass%-7 mass%,
A skin cleanser composition in a former container, wherein a mass ratio (A + D) / E of the component (A) and the component (D) and the component (E) is 5 to 20.
<2> The foam cleaner-containing skin cleanser composition according to <1>, wherein the content of the component (E) is 0.4% by mass to 1.5% by mass.
<3> The skin cleanser composition in a former container according to any one of <1> to <2>, wherein the sugar alcohol as component (D) is at least one selected from sorbitol, xylitol, and mannitol. is there.
<4> The foam cleaner-containing skin cleanser composition according to any one of <1> to <3>, further comprising (F) at least one of propylene glycol and dipropylene glycol.

Claims (4)

(A) a fatty acid salt represented by the following general formula (1),
R ¹ COOM General formula (1)
(In the general formula (1), R ¹ represents a monovalent hydrocarbon group having 7 to 21 carbon atoms, and M represents any one of an alkali metal, an alkanolamine, and a basic amino acid.)
(B) N-acylglycine salt,
(C) a copolymer comprising dimethyldiallylammonium chloride and at least one of acrylic acid and acrylamide as monomer units,
(D) sugar alcohol, and (E) polyethylene glycol having an average molecular weight of 190 to 630,
Containing
In the copolymer of component (C), the molar ratio (c1: c2) between dimethyldiallylammonium chloride (c1) and at least one of acrylic acid and acrylamide (c2) is 20:80 to 70:30. And the viscosity of the copolymer solution at a solid content of 39% by mass to 45% by mass is 1,200 mPa · s to 6,000 mPa · s at 25 ° C.,
The content of the component (A) is 3% by mass to 7% by mass,
Content of the said (D) component is 2 mass%-7 mass%,
A skin cleanser composition in a former container, wherein a mass ratio (A + D) / E between the component (A) and the component (D) and the component (E) is 5 to 20.   The skin cleanser composition in a former container according to claim 1, wherein the content of the component (E) is 0.4% by mass to 1.5% by mass.   The skin cleanser composition in a former container according to any one of claims 1 and 2, wherein the sugar alcohol as component (D) is at least one selected from sorbitol, xylitol, and mannitol.   The skin cleanser composition in a former container according to any one of claims 1 to 3, further comprising (F) at least one of propylene glycol and dipropylene glycol.