JP7346260B2 - Skin cleansing composition containing scrub agent - Google Patents

Description

The present invention relates to a skin cleansing composition containing a scrubbing agent.

BACKGROUND OF THE INVENTION Skin cleansing compositions containing a scrubbing agent, in which a skin cleansing agent contains a scrubbing agent, are known in the prior art. A skin cleansing composition containing a scrub agent has, in addition to the dirt removal effect of the skin cleansing composition, an effect of removing old keratin and dirt from pores and a massage effect by rubbing the scrub agent on the skin. It is characterized by An example of such a technique is the technique described in Patent Document 1.

JP 2017-178699 Publication

However, for example, conventional skin cleansing compositions containing a large amount of scrubbing agents with particularly large particle sizes have room for improvement in terms of the burden on the skin caused by the scrubbing agents and high temperature stability. There was also room for further improvement from the viewpoint of washability after use.

The present invention was made in view of the above-mentioned problems, and its purpose is to provide a skin cleansing composition containing a scrubbing agent that is less burdensome to the skin, has excellent high-temperature stability, and exhibits high washability after use. It is.

As a result of intensive studies to solve the above-mentioned problems, the present inventor has found that by using specific ingredients in specific amounts, the present inventors can reduce the burden on the skin, have excellent high-temperature stability, and have a high after-use condition. The present inventors have discovered that it is possible to realize a skin cleansing composition containing a scrubbing agent that exhibits wash-off properties, and have completed the present invention.

That is, the present invention includes the following configuration.
<1> Contains the following components A to E, the content of component A is 20.0 to 45.0% by mass, the content of component B is 10.0 to 60.0% by mass, and the component Contains 5.0 to 400.0 parts by mass of a scrubbing agent containing the following components F and G to 100.0 parts by mass of a skin cleansing composition in which the content of C is 0.5 to 10.0 mass%. A skin cleansing composition containing a scrubbing agent.
Component A: polyethylene glycol having a number average molecular weight of 3000 or less Component B: polyhydric alcohol component C: at least one nonionic interface selected from the group consisting of polyethylene glycol fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyglycerin fatty acid ester Activator component D: Oil-based solid component Component E: Aqueous solid component Component F: Sodium chloride component G: At least one of sodium carbonate and sodium hydrogen carbonate <2> Component E is polyethylene with a number average molecular weight of over 3000 The skin cleansing composition containing a scrub agent according to <1>, which is a glycol.
<3> The scrub agent-containing skin cleansing composition according to <1> or <2>, which has a water content of 5.0% by mass or less, or does not contain water.

According to one aspect of the present invention, it is possible to provide a skin cleansing composition containing a scrubbing agent that is less burdensome to the skin, has excellent high temperature stability, and exhibits high washability after use.

The present invention will be explained below, but the present invention is not limited thereto. The present invention is not limited to each configuration described below, and various changes can be made within the scope of the claims. Further, embodiments or examples obtained by appropriately combining technical means disclosed in different embodiments or examples are also included in the technical scope of the present invention. Furthermore, new technical features can be formed by combining the technical means disclosed in each embodiment. Note that all academic literature and patent literature described in this specification are incorporated as references in this specification.

In this specification, unless otherwise specified, the numerical range "X to Y" is intended to be "more than or equal to X and less than or equal to Y." In addition, unless otherwise specified in this specification, mass % representing the content of a component is a value based on the mass of the entire scrub agent-containing skin cleansing composition as 100.0 mass %.

[1. Skin cleansing composition containing scrub agent]
The scrub agent-containing skin cleansing composition according to the present invention contains the following components A to E, in which the content of component A is 20.0 to 45.0% by mass, and the content of component B is 10.0% by mass. A scrubbing agent containing the following components F and G is added to 100.0 parts by mass of a skin cleansing composition in which the content of component C is 0 to 60.0% by mass and is 0.5 to 10.0% by mass. Contains 5.0 to 400.0 parts by mass.
Component A: polyethylene glycol having a number average molecular weight of 3000 or less Component B: polyhydric alcohol component C: at least one nonionic interface selected from the group consisting of polyethylene glycol fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyglycerin fatty acid ester Active agent component D: Oil-based solid component Component E: Aqueous solid component Component F: Sodium chloride component G: Sodium carbonate and/or sodium bicarbonate In the following, the skin cleansing composition containing a scrub agent according to the present invention will be simply referred to as " Also referred to as "scrubbing agent composition." Furthermore, in the scrub composition, a composition containing components other than the scrub agent is also simply referred to as a "skin cleansing composition."

When the scrub composition contains component A in a predetermined amount, it has excellent affinity with water, feeling of use, and washability after use. As used herein, "excellent affinity with water" means that the scrub composition easily mixes with water. As used herein, "excellent feel" means that the scrub composition applied to the skin shows good spreadability. As used herein, "excellent in washing off after use" means that the scrub composition adhering to the skin can be easily washed off with water or the like. Component A can also be used for the purpose of adjusting the viscosity of the scrub composition.

Moreover, by including components B, D, and E, the high temperature stability of the scrubbing composition is improved. As used herein, "excellent high temperature stability" means that the scrub composition does not separate into oil and water at 50°C. This allows the scrubbing composition to be used, for example, in the bathroom.

By including component C in the scrub composition, it is possible to improve high temperature stability and reduce stickiness and oily feeling caused by oily components after use. That is, after using the scrubbing agent composition, a good finish without stickiness can be obtained.

Component F is added to the scrubbing agent from the viewpoint of imparting stain removal power and massage effect. In addition, since component G can reduce the burden on the skin, a scrub composition with low irritation can be obtained. As used herein, "hypoallergenic" means that when the scrub composition is applied to the skin, one does not feel any physical irritation caused by the scrub, stimulation due to the hardness of the whole scrub composition, or strong thermal sensation. .

<Component A>
The scrubbing agent composition contains polyethylene glycol having a number average molecular weight of 3000 or less as component A. The content of component A is 20.0 to 45.0% by weight, preferably 25.0 to 40.0% by weight.

When the content of component A is 20.0% by mass or more, the compatibility of the scrubbing agent composition with water is improved, so that the usability, washability, and stain removal ability are improved. Moreover, when the content of component A is 45.0% by mass or less, the viscosity of the scrubbing agent composition becomes appropriate, and the usability is improved.

The number average molecular weight of component A is 3000 or less, preferably 2500 or less, and more preferably 2000 or less. When the number average molecular weight of component A is 3000 or less, the usability, washability and stain removal ability are improved. Further, the number average molecular weight of component A is preferably 200 or more, more preferably 500 or more.

As component A, only polyethylene glycols having the same molecular weight may be used, or polyethylene glycols having multiple molecular weights may be mixed.

<Component B>
The scrub composition contains polyhydric alcohol as component B. The content of component B is 10.0 to 60.0% by weight, preferably 20.0 to 50.0% by weight. However, component B does not contain polyethylene glycol.

When the content of component B is 10.0% by mass or more, the stability of the scrubbing composition is improved. Moreover, when the content of component B is 60.0% by mass or less, the feeling of use of the scrubbing composition is improved.

Component B includes, but is not limited to, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, isoprene glycol, dipropylene glycol, 1,3-butylene glycol (also known as 1,3-butanediol). ), 1,2-butanediol, 1,2-decanediol, glycerin (also known as 1,2,3-propanetriol), concentrated glycerin, diglycerin, triglycerin, polyglycerin, glucose, maltose, maltitol, sucrose , mannitol, sorbitol, 1,2-pentanediol, 1,2-hexanediol, 1,2-octanediol, polyoxyethylene methyl glucoside and polyoxypropylene methyl glucoside. These may be used alone or in combination of two or more.

<Component C>
In the scrubbing agent composition, component C is at least one nonionic surfactant selected from the group consisting of polyethylene glycol fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyglycerin fatty acid ester. including. That is, the nonionic surfactants contained may be used alone or in combination of two or more.

Examples of the polyethylene glycol fatty acid ester include polyethylene glycol monostearate, polyethylene glycol distearate, polyethylene glycol monoisostearate, polyethylene glycol diisostearate, polyethylene glycol monooleate, polyethylene glycol dioleate, polyethylene glycol dilaurate, and the like.

Examples of the polyoxyethylene glycerin fatty acid ester include polyoxyethylene glyceryl isostearate, polyoxyethylene glyceryl triisostearate, and polyoxyethylene glyceryl trioleate.

Examples of the polyglycerin fatty acid ester include polyglyceryl monostearate.

The content of component C is 0.5 to 10.0% by weight, preferably 1.0 to 5.0% by weight. When the content of component C is 0.5% by mass or more, the scrubbing agent composition has a good finish without stickiness, and stability is improved. Moreover, when the content of component C is 10.0% by mass or less, good adhesion can be obtained when the scrubbing composition is applied.

<Component D>
The above scrub composition contains an oily solid component as component D. As used herein, the term "oil-based solid component" refers to an oil-based component that has no fluidity at 25°C. The content of component D is preferably 0.5 to 15.0% by weight, more preferably 1.0 to 10.0% by weight. If the content of component D is 0.5% by mass or more, the stability of the scrubbing composition will improve. Further, if the content of component D is 15.0% by mass or less, good adhesion when applied with the scrubbing composition and no stickiness after finishing can be obtained.

Examples of component D include hydrocarbons, fatty acids, waxes, and the like. Only one type of these may be used, or a plurality of types may be used.

Examples of hydrocarbons include high-melting paraffin, microcrystalline wax, polyethylene wax, and vaseline.

Examples of fatty acids include shea butter, lauric acid, myristic acid, palmitic acid, stearic acid, and isostearic acid.

Examples of waxes include carnauba wax, candelilla wax, hydrogenated jojoba oil, rice bran wax, beeswax, Japanese wax, shellac wax, spermaceti wax, and lanolin.

<Component E>
The scrubbing agent composition contains an aqueous solid component as component E. The content of component E is preferably 2.0 to 15.0% by weight, more preferably 5.0 to 10.0% by weight. If the content of component E is 2.0% by mass or more, the stability of the scrubbing composition will improve. Moreover, if the content of component E is 15.0% by mass or less, good adhesion of the scrubbing composition can be obtained.

Examples of the aqueous solid component include polyethylene glycol having a number average molecular weight of more than 3,000.

<Scrubbing agent>
The scrubbing agent composition contains a scrubbing agent. As used herein, the term "scrubbing agent" refers to a particulate component added to a skin cleansing composition for the purpose of improving stain removal ability and imparting a massage effect during use. The content of the scrub agent is 5.0 to 400.0 parts by mass, preferably 10 parts by mass, relative to 100.0 parts by mass of the skin cleansing composition consisting of components other than the scrub agent, including the above-mentioned components A to E. 0 to 300.0 parts by weight, more preferably 25.0 to 250.0 parts by weight. When the content of the scrubbing agent is 5.0 parts by mass or more, the stain removal ability of the scrubbing composition is improved. When the content of the scrubbing agent is 400.0 parts by mass or less, the feeling of use is improved.

<Component F>
The scrub agent contains sodium chloride as component F. The content of component F in the scrubbing agent is preferably 60.0 to 99.0% by mass, more preferably 80.0 to 99.0% by mass. If the content of component F is 60.0% by mass or more, the stain removal power and massage effect of the scrub composition can be improved. If the content of component F is 99.0% by mass or less, the burden on the skin will be reduced.

The representative particle size of component F is preferably 100 to 2000 μm, more preferably 150 to 1000 μm, even more preferably 150 to 500 μm. If the representative particle size of component F is 100 μm or more, the stain removal ability and massage effect of the scrub composition will be improved. If the representative particle size of component F is 2000 μm or less, the burden on the skin will be reduced. In this specification, the representative particle size means that sodium chloride particles are arranged in order from the smallest particle size to the largest particle size, and the volumes of the sodium chloride particles after arranging are integrated from the smallest to the largest. This is the particle diameter of sodium chloride particles at the time when the volume of the entire sodium particles reaches 50%, and is measured by laser diffraction particle size analysis.

<Component G>
The above scrub agent contains sodium bicarbonate and/or sodium carbonate as component G. The content of component G in the scrubbing agent is preferably 1.0 to 40.0% by mass, more preferably 1.0 to 20.0% by mass. Component G has a smaller particle size than component F, so it is less of a burden on the skin. Therefore, if the content of component G is 1% by mass or more, the burden on the skin can be reduced. If the content of component G is 40.0% by mass or less, the stain removal power and massage effect can be improved.

<Other scrubbing agents>
Examples of scrubbing agents other than the above-mentioned components F and G include organic powders such as nylon powder, and inorganic powders such as silica, chlorohydroxyaluminum, and talc.

<Water>
It is preferable that the scrubbing agent composition has a water content of 5.0% by mass or less or does not contain water, and more preferably does not contain water. If the water content is 5.0% by mass or less, the stability, stain removal ability, and antiseptic properties of the scrubbing agent composition will be improved.

<Other ingredients>
The above-mentioned scrubbing agent composition may contain components other than components A to G as long as the above-mentioned effects are not impaired.

Other ingredients include ingredients that can typically be included in skin cleansers and pharmaceuticals. Other ingredients include, for example, humectants, powder ingredients, liquid oils and fats, liquid hydrocarbon oils, higher alcohols, ester oils other than component C, silicone oils, silicone compounds, anionic surfactants, cationic surfactants, Ampholytic surfactants, nonionic surfactants other than component C, natural water-soluble polymers, semi-synthetic water-soluble polymers, synthetic water-soluble polymers, cationic polymers, thickening polymers, thickeners, ultraviolet absorbers , UV inhibitors, vitamin compounds, sequestrants, lower alcohols, monosaccharides, oligosaccharides, polysaccharides, amino acids, organic amines, polymer emulsions, pH adjusters, antioxidants, antioxidant aids, preservatives, anti-inflammatory agents agents, whitening agents, activators, blood circulation promoters, antiseborrheic agents, anti-inflammatory agents, refreshing agents (also known as cooling agents), bactericidal ingredients, antiperspirant ingredients, animal extracts, plant extracts, various extracts, Examples include pearlizing agents and fragrances.

Humectants include trimethylglycine, glucose, sorbitol, maltitol, and the like.

Examples of powder components include colorants, pigments, and the like.

Liquid oils include orange oil, camellia oil, avocado oil, argan oil, olive oil, rice bran oil, soybean oil, corn oil, palm kernel oil, castor oil, grape seed oil, kukui nut oil, macadamia nut oil, meadowhome oil, and sunflower oil. Examples include oil.

The content of liquid hydrocarbon oil is preferably 2.0 to 30.0% by mass, more preferably 5.0 to 25.0% by mass. Liquid hydrocarbon oil is blended for the purpose of adjusting viscosity and improving feel. As used herein, "liquid hydrocarbon oil" means a hydrocarbon oil that is fluid at 25°C.

Examples of the liquid hydrocarbon oil include liquid paraffin, paraffin, ceresin, squalene, and squalane.

The content of ester oil is preferably 2.0 to 30.0% by mass, more preferably 5.0 to 25.0% by mass, and still more preferably 8.0 to 20.0% by mass. If the content of ester oil is 2.0% by mass or more, the stain removal effect of the scrubbing agent composition will be improved. If the content of ester oil is 30.0% by mass or less, the feeling of use and washability of the scrub composition will be improved.

The IOB value of the ester oil is preferably 0.1 to 0.6, more preferably 0.1 to 0.5. If the IOB value is 0.1 or more, the usability will be improved. If the IOB value is 0.6 or less, the stain removal ability will be improved.

Here, the IOB (Inorganic-Organic Balance) value is
IOB=ΣInorganic value/ΣOrganic value. The IOB value is based on the "inorganic value" and "organic value" set for each type of atom and functional group. It is a numerical value that can be calculated by integrating the "organic value" (see Yoshio Koda, "Organic Conceptual Diagram - Basics and Applications", pp. 11-17, published by Sankyo Publishing, 1984).

The viscosity of the ester oil at 20° C. is preferably 3 to 10,000 mPa·s, more preferably 5 to 8,000 mPa·s. If the viscosity of the ester oil is 3 mPa·s or more, the scrubbing composition will have a good feeling in use, especially good adhesion during use. Moreover, if the viscosity of the ester oil is 10,000 mPa·s or less, the feel and spreadability of the scrubbing composition will be improved.

Examples of ester oils include, but are not limited to, the following. For example, isopropyl myristate (IOB=0.18), isodecyl isononanoate (IOB=0.19), octyldodecyl neopentanoate (IOB=0.13), isostearyl neopentanoate (IOB=0.14), palmitic acid Isopropyl (IOB=0.16), hexyl laurate (IOB=0.17), hexyldecyl ethylhexanoate (IOB=0.13), isotridecyl isononanoate (IOB=0.16), isopropyl isostearate (IOB= 0.15), ethyl isostearate (IOB=0.15), ethylhexyl palmitate (IOB=0.13), octyldodecyl neodecanoate (IOB=0.11), polyglyceryl-2 tetraisostearate (IOB=0. 17), pentaerythrityl tetraisostearate (IOB=0.15), isocetyl myristate (IOB=0.10), trimethylolpropane triisostearate (IOB=0.16), neopentyl glycol diethylhexanoate (IOB = 0.32), trimethylolpropane triethylhexanoate (IOB = 0.33), pentaerythrityl tetraethylhexanoate (IOB = 0.35), diisopropyl adipate (IOB = 0.46), diisostearyl malate (IOB=0.28), neopentyl glycol dicaprylate (IOB=0.25), tripropylene glycol dineopentanoate (IOB=0.52), isodecyl benzoate (IOB=0.23), propylene glycol dicaprylate ( IOB=0.32), isononyl isononanoate (IOB=0.2), ethylhexyl isononanoate (IOB=0.2), isodecyl neopentanoate (IOB=0.22), ethylhexyl ethylhexanoate (IOB=0.2) ), cetyl ethylhexanoate (IOB=0.13), glyceryl tri-2-ethylhexanoate (IOB=0.36), diethylhexyl succinate (IOB=0.32), cholesteryl hydroxystearate (IOB=0. 16), etc. These may be used alone or in combination of two or more.

Further, the ester oil may be a fatty acid ester oil. Examples of fatty acid ester oils include isopropyl myristate, ethylhexyl palmitate, and cetyl 2-ethylhexanoate.

Examples of the silicone oil include cyclopentasiloxane, hydrogen dimethicone, caprylyl methicone, dimethicone, and modified silicone.

Examples of the anionic surfactants include higher fatty acid soaps, alkyl sulfate ester salts, alkyl phosphates, polyoxyalkylene alkyl ether phosphates, polyoxyethylene alkyl ether sulfates, polyoxyethylene alkyl phenyl ether sulfates, and alkyl phosphates. Ether carboxylate, acyl methyl taurate, N-acyl-N-methyl-β-alanine salt, N-acyl glycine salt, N-acyl glutamate, polyoxyethylene alkyl carboxylate, alkylphenyl ether sulfonate, Examples include alkylsulfosuccinic acid and its salts, N-acylsarcosine and its salts, polyoxyethylene coconut oil fatty acid monoethanolamide sulfate, and the like.

The above-mentioned cationic surfactants include amine salts such as alkylamine salts, fatty acid amide amine salts, and ester-containing tertiary amine salts; monoalkyl-type quaternary ammonium salts, dialkyl-type quaternary ammonium salts, and trialkyl-type quaternary ammonium salts. , alkyl quaternary ammonium salts such as benzalkonium type quaternary ammonium salts; cyclic quaternary ammonium salts such as alkylpyridinium salts; benzethonium chloride, and the like.

Examples of the amphoteric surfactants include glycine type amphoteric surfactants such as alkylglycine salts, carboxymethylglycine salts, N-acylaminoethyl-N-2-hydroxyethylglycine salts; alkylaminopropionates, alkyliminodipropions; Aminopropionic acid type amphoteric surfactants such as acid salts, aminoacetic acid betaine type amphoteric surfactants such as alkyldimethylaminoacetic acid betaine, fatty acid amidopropyldimethylaminoacetic acid betaine; sulfobetaine type amphoteric surfactants such as alkylhydroxysulfobetaine etc.

Examples of the cationic polymer include acrylamide-acrylic acid-dimethyldiallylammonium chloride copolymer, dimethyldiallylammonium chloride-acrylic acid copolymer, dimethyldiallylammonium chloride-acrylamide copolymer, and the like.

The thickening polymer is preferably a thickening polymer whose thickening effect is not inhibited by component F or component G, and examples of such thickening polymer include hydroxyethyl cellulose and xanthan gum.

[2. Dosage form, manufacturing method and use of scrub composition]
The above scrub composition can be obtained by blending components A to G and optionally water and other components. Specifically, the scrubbing agent composition can be obtained, for example, by mixing the above components and stirring using a known mixing device such as a propeller mixer, a disperser mixer, or a paddle mixer.

The above-mentioned scrub composition is suitably used for skin cleansing, for example, as a body cleansing agent (body soap, body scrub). The scrub composition is not particularly limited, but can be used for cleaning the scalp (shampoo and conditioner), face (facial cleanser and makeup remover), and hands (hand soap), in addition to body cleansing agents. I can do it.

The properties of the scrub composition include solid, liquid, gel, emulsion, cream, and the like.

The product form of the scrubbing agent composition is not particularly limited, but may be filled in a pump container, tube container, jar container, or the like. Among these, jar containers are preferred.

EXAMPLES Hereinafter, one embodiment of the present invention will be specifically described with reference to Examples, but the embodiments of the present invention are not limited to these Examples. In addition, for example, in the table, the compounding amount is expressed in "mass %" unless otherwise specified, and all compounding components are converted into pure components.

The evaluation methods performed in each Example and Comparative Example are shown below. The following evaluation was conducted by three expert evaluators.

<Evaluation of high temperature stability>
The jars filled with each scrubbing agent composition were stored in a constant temperature bath at 50° C. for one week, and the appearance immediately after being taken out from the constant temperature bath was evaluated according to the following criteria.
◎ (Very good): There is no change in appearance from before storage.
○ (Good): Slight separation is observed, but there is no problem in use.
× (Poor): Clear separation is observed.

<Evaluation of hypoallergenicity>
0.5 g of the scrub composition was applied to the index finger of the right hand and applied to the inner side of the forearm of the left arm five times in a width of approximately 5 cm.The irritation was evaluated using the following criteria.
◎ (Very good): Moderate physical stimulation felt, no thermal sensation felt.
〇 (Good): No unpleasant physical stimulation or thermal sensation is felt.
×1 (Poor): Uncomfortable physical irritation caused by the scrubbing agent was felt.
×2 (Poor): The entire scrub composition was hard and felt unpleasant irritation.
×3 (Poor): Strong thermal sensation felt.

<Evaluation of washing off after use>
0.5 g of the skin cleansing composition was placed on the index finger of the right hand and applied to the inner side of the left forearm five times in a width of approximately 5 cm. After washing the area with warm water at approximately 40° C., stickiness was evaluated using the following criteria.
◎ (Very good): No stickiness felt at all.
〇 (Good): Slightly sticky feeling, but no discomfort.
× (Poor): Strong stickiness felt.

[Examples 1 to 29 and Comparative Examples 1 to 9]
Scrub agent compositions of Examples 1 to 29 and Comparative Examples 1 to 9 were prepared by blending each component as shown in Tables 1 to 3. The components used in each Example and each Comparative Example are shown below. E in parentheses. O. represents the average number of added moles of ethylene oxide.

<Component A>
Polyethylene glycol 1500 (product name: Braunon PEG-1500, manufactured by Aoki Yushi Kogyo)
Polyethylene glycol 400 (product name Braunon PEG-400, manufactured by Aoki Yushi Kogyo)
<Component B>
Glycerin (product name: Cosmetic concentrated glycerin, manufactured by Sakamoto Pharmaceutical Co., Ltd.)
Dipropylene glycol (trade name: DPG, manufactured by Koyo Fine Chemical Co., Ltd.)
<Component C>
Polyethylene glycol distearate (250E.O.) (trade name Emanone 3299RV, manufactured by Kao Corporation)
Polyethylene glycol monostearate (149E.O.) (trade name Emanone 3199VB, manufactured by Kao Corporation)
Polyethylene glycol monoisostearate (6E.O.) (trade name EMALEX PEIS-6, manufactured by Nippon Emulsion Co., Ltd.)
Polyethylene glycol monoisostearate (12E.O.) (trade name EMALEX PEIS-12, manufactured by Nippon Emulsion Co., Ltd.)
Polyethylene glycol diisostearate (8E.O.) (trade name EMALEX 400di-IS, manufactured by Nippon Emulsion Co., Ltd.)
Polyethylene glycol monooleate (6E.O.) (trade name EMALEX OE-6, manufactured by Nippon Emulsion Co., Ltd.)
Polyethylene glycol dioleate (8E.O.) (trade name EMALEX 400di-O, manufactured by Nippon Emulsion Co., Ltd.)
Polyethylene glycol dilaurate (8E.O.) (trade name EMALEX 400di-L, manufactured by Nippon Emulsion Co., Ltd.)
Polyethylene glycol dilaurate (20E.O.) (trade name EMALEX 1000di-L, manufactured by Nippon Emulsion Co., Ltd.)
Polyglyceryl monostearate (10E.O.) (trade name NIKKOL DECAGLYN 1-SV, manufactured by Nikko Chemicals)
Polyoxyethylene glyceryl isostearate (8E.O.) (Product name: Braunon RGL-8MISE, manufactured by Aoki Yushi Kogyo)
Polyoxyethylene glyceryl triisostearate (20E.O.) (product name EMALEX GWIS-320EX, manufactured by Nippon Emulsion Co., Ltd.)
Polyoxyethylene glyceryl trioleate (50E.O.) (trade name EMALEX GWO-350, manufactured by Nippon Emulsion Co., Ltd.)
<D component>
High melting point paraffin (product name SP-0165, manufactured by Nippon Seiro)
Shea butter (product name: Star Shea Butter refined, manufactured by The Hallstar Company)
Beeswax (product name: Kousandash sea beeswax, manufactured by Miki Chemical Industry Co., Ltd.)
<E component>
Polyethylene glycol 20000 (product name Braunon PEG-20000S, manufactured by Aoki Yushi Kogyo)
<F component>
Sodium chloride (representative particle size: 270-310μm) (trade name Nakurufor 1, manufactured by Naikai Salt Industry)
Sodium chloride (representative particle size: 180-220 μm) (trade name Nakurufor 2, manufactured by Naikai Salt Industry)
Sodium chloride (representative particle size: 330-430 μm) (trade name Nakuru M, manufactured by Naikai Salt Industry)
Sodium chloride (representative particle size: 1000μm)
Silicic anhydride (average particle size 480 μm) (trade name SCRUB SILICA 600G, manufactured by Presperse)
<G component>
Sodium carbonate (product name: Soda ash light food additive, manufactured by Tokuyama Corporation)
Sodium bicarbonate (product name: Sodium bicarbonate E-grade food additive, manufactured by Tokuyama Corporation)
<Other ingredients>
Other surfactants: glyceryl tribehenate (product name: Synchrowax HR-C, manufactured by Croda Japan Co., Ltd.)
Ester oil: Cetyl ethylhexanoate (product name: NIKKOL CIO, manufactured by Nippon Surfactant Kogyo Co., Ltd.), cholesteryl hydroxystearate (product name: Saracos HS, manufactured by Nisshin Oilio), glyceryl tri-2-ethylhexanoate (product name: Exepal TGO, Kao) (manufactured by Nikko Chemicals), diisopropyl adipate (trade name: NIKKOL DID, manufactured by Nikko Chemicals)
Hydrocarbon oil: Liquid paraffin (trade name: CARNATION, manufactured by Sonneborn LLC)
〔Evaluation results〕
Each scrub composition was evaluated as described above. The evaluation results are shown in Tables 1 to 4 along with the composition. Note that numerical values other than the IOB value and HLB value represent the content of each component. The contents of the components in the skin cleansing composition and the components in the scrubbing agent are expressed in % by mass, and the content of the scrubbing agent in the skin cleansing composition is expressed in parts by mass.

From Tables 1 to 4, the skin cleansing compositions of Examples 1 to 29 containing specific amounts of components A to G showed good results in terms of high temperature stability, wash-off after use, and low irritation. Ta. On the other hand, Comparative Example 1 not containing Component C, Comparative Example 2 containing a surfactant other than Component C, and Comparative Example 3 not containing Components A and E were inferior in washing off after use. Comparative Example 4, which contained component A exceeding a specific amount, was inferior in both high temperature stability and wash-off after use. Furthermore, in Comparative Example 5, which did not contain component B, the scrub composition was hard and irritating when used, and was poor in both high temperature stability and washability after use. Furthermore, Comparative Example 6, which did not contain component G, and Comparative Example 8, which did not contain component D, were inferior in high temperature stability. Comparative Example 7, which did not contain component F, gave a warm sensation during use and was poor in washing off after use. In Comparative Example 9, which did not contain components F and G but contained other scrubbing agents, the scrubbing agent caused irritation during use.

[Prescription example]
[Body scrub]
The following skin cleanser and scrub agent were prepared and mixed so that the content of the scrub agent was 100.0% by mass based on 100 parts by mass of the skin cleanser composition.
(Skin cleanser composition)
Polyethylene glycol 1500 35.0% by mass
Polyethylene glycol 400 5.0% by mass
Polyethylene glycol 20000 2.0% by mass
Isopropyl myristate 4.5% by mass
Glyceryl tri-2-ethylhexanoate 3.0% by mass
Polyethylene glycol dioleate (8E.O.) 0.5% by mass
Polyoxyethylene glyceryl trioleate (50E.O.) 2.0% by mass
Macadamia nut oil 4.0% by mass
Beeswax 2.0% by mass
High melting point paraffin 3.0% by mass
Microcrystalline wax 2.0% by mass
Squalene 3.0% by mass
Glycerin 13.99% by mass
Dipropylene glycol 15.0% by mass
Sorbitol 5.0% by mass
Tocopherol acetate 0.01% by mass
Total 100.0% by mass
(Scrubbing agent)
Sodium chloride 80.0% by mass
Sodium hydrogen carbonate 20.0% by mass
Total 100.0% by mass
[Body scrub]
The following skin cleansers and scrubs were prepared and mixed so that the content of the scrub agent was 200.0% by mass based on 100 parts by mass of the skin cleansing composition.
(Skin cleanser composition)
Polyethylene glycol 1500 20.0% by mass
Polyethylene glycol 600 10.0% by mass
Polyethylene glycol 6000 5.0% by mass
Cetyl ethylhexanoate 2.0% by mass
Diisopropyl adipate 1.0% by mass
Polyethylene glycol diisostearate (8E.O.) 0.5% by mass
Polyethylene glycol diisostearate (8E.O.) 2.0% by mass
Olive oil 4.0% by mass
Beeswax 2.0% by mass
Microcrystalline wax 4.5% by mass
Squalene 3.0% by mass
Glycerin 20.99% by mass
Dipropylene glycol 20.0% by mass
Sorbitol 5.0% by mass
Tocopherol acetate 0.01% by mass
Total 100.0% by mass
(Scrubbing agent)
Sodium chloride 90.0% by mass
Sodium hydrogen carbonate 10.0% by mass
Total 100.0% by mass

The present invention can be suitably used as a cleansing agent for the face, hands, body, scalp, etc.

Claims (2)

Contains the following components A to E, the content of component A is 20.0 to 45.0% by mass, the content of component B is 10.0 to 60.0% by mass, and the content of component C is 5.0 to 400.0 parts by mass of a scrubbing agent containing the following components F and G to 100.0 parts by mass of a skin cleansing composition having an amount of 0.5 to 10.0% by mass, and component F The representative particle size of the scrubbing agent is 100 to 2000 μm, the content of component F in the scrubbing agent is 60.0 to 99.0% by mass, and the content of component G in the scrubbing agent is 1.0 to 40.0%. % by mass of a skin cleansing composition containing a scrubbing agent.
Component A: polyethylene glycol having a number average molecular weight of 3000 or less Component B: polyhydric alcohol component C: at least one nonionic interface selected from the group consisting of polyethylene glycol fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyglycerin fatty acid ester Activator component D: Oil-based solid component Component E: Polyethylene glycol with a number average molecular weight of over 3000
Component F: Sodium chloride Component G: At least one of sodium carbonate and sodium hydrogen carbonate The scrub agent-containing skin cleansing composition according to claim 1 , which has a water content of 5.0% by mass or less, or does not contain water.