JP2002060796A - Transparent solid soap composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transparent solid soap composition imparting good moist feeling to hair by shampooing, generating creamy foam and having good transparency and solid properties. SOLUTION: The transparent solid soap composition contains (A) a fatty acid soap, (B) a polyhydric alcohol and (C) a fatty acid alkanolamide expressed by general formula (1) [R1 is a 5-21C straight-chain or branched alkyl or alkenyl which may be substituted with one or more hydroxy groups; R2 is H or a 1-5C alkyl; and (m) and (n) are each the same or different integer of 1-5 provided that (m) is not equal to (n) when R2 is H] as essential components.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transparent solid soap composition which is excellent in moist feeling after washing, has a fine foam at the time of washing, is creamy, and has good transparency and solid properties.

[0002]

2. Description of the Related Art Solid substances of higher fatty acid salts, so-called "soaps", have been used as a detergent composition for washing the body since ancient times, and are still the mainstream of body detergents.

[0003] So-called "transparent soap" which is made transparent by blending a clarifying agent such as polyhydric alcohol or saccharide for the purpose of giving the soap a high-grade feel occupies a part of the current body cleanser market. ing.

[0004] Solid transparent soap having a high aesthetic appearance is widely used not only as a soap for gifts but also as a soap for face washing of women.

[0005] Conventional transparent soaps are, like ordinary non-transparent solid soaps, added to fatty acid soaps (fatty acid alkali metal salts) obtained by saponifying raw oils such as beef tallow and coconut oil with caustic soda, and ethanol and glycerin. Add a clearing agent such as polyhydric alcohol or sugar, etc. and stir about 80
It is manufactured through a process of heating at ℃, solidifying by cooling and drying.

By the way, polyhydric alcohols used as a clarifying agent, for example, glycerin, are also known as a general humectant component. However, when blended with transparent soap, they are easily washed at the time of use. To be dropped,
Sufficient "moistness" cannot be imparted to the transparent soap. Therefore, when such a conventional transparent soap is used as a facial cleansing soap for a woman, there is a problem that the skin after washing becomes bulky and the like, and the moist feeling after washing the skin of the transparent soap is further improved. Is strongly required.

[0007] In order to reduce the bulky feeling after use in the transparent soap, when a generally known moisturizer is blended, for example, the transparency is lowered, and the soap becomes very poor in water or hot water. There is a problem that the material is easily disintegrated or the hardness of the soap is insufficient in a drying step in the production of the transparent soap.

[0008] Further, polyhydric alcohols and the like in the transparent solid soap composition also affect the foam quality of the transparent soap, and the foam quality tends to be coarser than non-transparent solid soap. A creamy foam quality was desired.

[0009]

DISCLOSURE OF THE INVENTION The present invention is to solve the above-mentioned problems of the prior art, has a good moist feeling after washing, has a creamy foam quality,
Moreover, an object of the present invention is to provide a transparent solid soap composition having good transparency and solid physical properties.

[0010]

Means for Solving the Problems The present inventors have found that the above object can be achieved by blending a specific fatty acid alkanolamide with transparent soap, and have completed the present invention.

That is, in the present invention, component (A): fatty acid soap, component (B): polyhydric alcohol, and component (C): general formula (1)

[0012]

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Wherein R ¹ represents an unsubstituted or straight-chain or branched-chain alkyl or alkenyl group having 5 to 21 carbon atoms, and R ² represents a hydrogen atom or a carbon atom Represents an alkyl group of 1 to 5, and m and n are the same or different 1
Represents an integer of 5 to 5. However, m ≠ n when R ² is a hydrogen atom. ] As an essential component.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.

The transparent solid soap composition of the present invention contains a fatty acid soap as the component (A). As such a fatty acid soap, various fatty acid soaps can be used, and the fatty acid constituting the fatty acid soap preferably has 8 to 22 carbon atoms. Further, as the fatty acid constituting the fatty acid soap, linear, branched, or saturated, can be used regardless of unsaturated, may be used alone,
A plurality of types may be used together. Such fatty acids include, for example, animal fats and oils such as beef tallow and sheep oil, coconut oil, palm kernel oil, soybean oil, olive oil, fatty acid mixtures obtained by subjecting vegetable oils and fats such as cottonseed oil to high-pressure decomposition in a conventional manner, and Lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, palmitooleic acid, oleic acid, isomyristic acid, isopalmitic acid and isostearic acid, etc. can do.

The counter ions of the fatty acid constituting the fatty acid soap include alkali metal atoms such as lithium, potassium and sodium, ammonium groups, alkanolamines having a hydroxyalkyl group having 2 or 3 carbon atoms or cations of basic amino acids. Residues and the like can be mentioned.

The amount of the fatty acid soap of the component (A) per transparent solid soap composition can be appropriately determined according to the kind of the fatty acid soap and the desired soap hardness, but is preferably 20 to 50% by weight. %, More preferably 25-45
% By weight.

If it is less than 20% by weight, solidification is difficult,
If the content is more than 50% by weight, partial crystal precipitation occurs, and particularly when stored at low temperatures, the transparency is significantly impaired, and the glass may be devitrified, which is not preferable.

The transparent solid soap composition of the present invention contains a polyhydric alcohol as the component (B). These function as clarifying agents and are the same as those used in conventional transparent soaps.

The transparent solid soap composition of the present invention contains a polyhydric alcohol as the component (B). Component (B) functions as a clarifying agent and is the same as that used in conventional transparent soaps.

The polyhydric alcohol in the present invention is a compound having two or more hydroxy groups in one molecule.

As the dihydric polyhydric alcohol, for example,
Examples include ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, 1,3-butylene glycol and the like. Examples of the trihydric polyhydric alcohol include glycerin. Examples of the polyhydric alcohol having 4 or more valencies include sucrose, glucose, mannitol, sorbitol, maltitol, trehalose, maltose, pullulan, pectin, lactose, xylit, carrageenan, alginic acid and the like.

These polyhydric alcohols may be used alone or in combination of two or more.

The preferred amount of these polyhydric alcohols per transparent solid soap composition varies depending on the method for producing the transparent solid soap composition. In other words, in a normal method for producing transparent soaps in which a lower alcohol such as ethanol or isopropanol is used as a soap dissolution accelerator for drying, the amount of the polyhydric alcohol in this case is such that the fatty acid soap is sufficiently transparent. In order to achieve this, the content is preferably 10 to 20% by weight, more preferably 13 to 17% by weight.

When a lower alcohol is not used as a dissolution promoter for fatty acid soap for the purpose of shortening the drying period, the dissolution of the soap during the production of the transparent solid soap composition is carried out by adding the polyhydric alcohol in the composition. Therefore, the blending ratio of the polyhydric alcohol must be as high as 30 to 60% by weight, preferably 35 to 45% by weight. At this time, preferably, the composition of the polyhydric alcohol is such that the ratio of the dihydric polyhydric alcohol is 10 to 90% by weight, the trihydric alcohol is 0 to 80% by weight, and It is preferable that the content of the polyhydric alcohol is in the range of 10 to 60% by weight because the production becomes easier and the transparency is improved.

The transparent solid soap composition of the present invention has the general formula (1) as component (C):

[0027]

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[0028] [where, R ¹ represents an unsubstituted or at least one linear or branched alkyl or alkenyl group which is substituted by a hydroxyl group of 21 to 5 -C, R ² is a hydrogen atom or a carbon atoms Represents an alkyl group of 1 to 5, and m and n are the same or different 1
Represents an integer of 5 to 5. However, m ≠ n when R ² is a hydrogen atom. ] Fatty acid alkanolamide represented by the formula:

In the general formula (1), when the number of carbon atoms of the alkyl group of R ² exceeds 5, the hydrophilic balance of the fatty acid alkanolamide represented by the general formula (1) is lost, and the transparent solid soap composition is uniformly dispersed. It is not preferable because it cannot be blended. Further, if the values of m and n exceed 5, the hydrophilic balance is lost, and it is not preferable because it cannot be uniformly blended in the transparent solid soap composition.

The fatty acid alkanolamide of the component (C) also functions as a stabilizer and a foaming modifier for the transparent bar soap composition. It does not degrade the solid properties (melting resistance, soap hardness). Further, when a transparent soap is used, most of it is washed off, but a small amount remaining on the skin can give a good moist feeling to the skin.

The fatty acid alkanolamide of the component (C) includes R ² in the general formula (1).
Is a methyl group or an ethyl group, and a fatty acid alkanolamide represented by m = n = 1 is preferable in that the moist feeling is improved. In particular, R ² is an ethyl group, and m = n = 1
The fatty acid alkanolamide represented by is preferred.

In the general formula (1), when R ² is a hydrogen atom, a fatty acid alkanolamide having a structure of m = n may deteriorate low-temperature stability when blended in a transparent solid soap composition. Not preferred.

Preferable specific examples of the fatty acid alkanolamide represented by the general formula (1) include N-bis (hydroxymethyl) -propyl-caprylic amide and N-bis (hydroxymethyl) -propyl-capric acid. Amide, N-
Bis (hydroxymethyl) -propyl-lauric amide, N-bis (hydroxymethyl) -propyl-myristic amide, N-bis (hydroxymethyl) -propyl-
Palmitic acid amide, N-bis (hydroxymethyl) -propyl-stearic acid amide, N-bis (hydroxymethyl) -propyl-isostearic acid amide, N-bis
(Hydroxymethyl) -propyl-coco fatty acid amide, N
-Bis (hydroxymethyl) -propyl-palm kernel oil fatty acid amide, N-bis (hydroxymethyl) -ethyl-caprylic amide, N-bis (hydroxymethyl) -ethyl-
Capric amide, N-bis (hydroxymethyl) -ethyl-lauric amide, N-bis (hydroxymethyl)-
Ethyl-myristic acid amide, N-bis (hydroxymethyl) -ethyl-palmitic acid amide, N-bis (hydroxymethyl) -ethyl-stearic acid amide, N-bis
(Hydroxymethyl) -ethyl-isostearic acid amide, N-bis (hydroxymethyl) -ethyl-coco fatty acid amide, N-bis (hydroxymethyl) -ethyl-palm kernel oil fatty acid amide and the like.

Among them, N-bis (hydroxymethyl) -propyl-lauric amide, N-bis (hydroxymethyl) -propyl-myristic amide, N-bis
(Hydroxymethyl) -propyl-isostearic acid amide, N-bis (hydroxymethyl) -propyl-coco fatty acid amide, N-bis (hydroxymethyl) -propyl-palm kernel oil fatty acid amide, N-bis (hydroxymethyl)-
Ethyl-lauric amide, N-bis (hydroxymethyl) -ethyl-isostearic acid amide, N-bis (hydroxymethyl) -ethyl-coco fatty acid amide and N-
Bis (hydroxymethyl) -ethyl-palm kernel oil fatty acid amide is preferred in terms of easy availability of raw materials and good compatibility that can be blended into a transparent solid soap composition without difficulty.

The amount of the component (C) to be added to the transparent solid soap composition is 0.01 to 10 per transparent solid soap composition.
% By weight, more preferably in the range of 2 to 7% by weight. If the fatty acid alkanolamide of the component (C) is added in an amount exceeding 10% by weight, problems such as softening of the transparent bar soap composition itself may occur, which is not preferable. Further, if the fatty acid alkanolamide of the component (C) is less than 0.01% by weight, the effect of improving the moist feeling and the effect of improving the foam quality are not exhibited, which is not preferable.

In the transparent solid soap composition of the present invention, in addition to the above components (A), (B) and (C), a component (D) as a clarifying accelerator is represented by the following general formula (2). It is desirable to incorporate N-acyl glutamate.

[0037]

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Wherein R ³ represents a saturated or unsaturated hydrocarbon group having 7 to 19 carbon atoms, and M ₁ and M ₂ each independently represent a hydrogen atom, an ammonium group, an alkali metal atom, an alkanolamine or Represents the cation residue of a basic amino acid. ]

Specific examples of the N-acyl glutamate represented by the general formula (2) include N-cocoyl-L-glutamate monosodium, N-mixed fatty acyl (C
8-C20) -monosodium L-glutamate, monosodium N-lauroyl-L-glutamate, monotriethanolamine N-cocoyl-L-glutamate, N
-Cocoyl-L-glutamic acid mono-L-lysine salt and the like.

Even if N-acylglutamate is not blended, transparency can be maintained, but by adding 0.1 to 5% by weight, preferably 1 to 2% by weight of N-acylglutamate, a transparent soap can be obtained. Can be further enhanced in transparency. 0.1% by weight of N-acyl glutamate
If it is less than 5, a remarkable increase in transparency is not confirmed, and if it is more than 5% by weight, there is a problem that the hardness of the transparent solid soap composition becomes insufficient, which is not preferable.

In addition to the above-mentioned components, the transparent solid soap composition of the present invention contains, as component (E), a higher fatty acid, preferably a coco oil fatty acid having 12 to 18 carbon atoms, in order to improve foaming properties. It is preferable to mix higher fatty acids. The amount of such higher fatty acid is preferably 3 to 20% by weight, more preferably 5 to 15% by weight.

The transparent solid soap composition may contain one or more sequestering agents for the purpose of reducing discoloration and odor change of the transparent solid soap composition.

Examples of the sequestering agent include ethylenediaminetetraacetic acid (EDTA), 1-hydroxyethane-1,1-diphosphonic acid (HEDP), and the amount thereof is preferably 0.01 to 1.0% by weight. , More preferably 0.
Between 0.5 and 0.3% by weight.

Further, the transparent solid soap composition of the present invention includes:
Further, dibutylhydroxytoluene may be contained as an antioxidant in order to further enhance the odor stability of the transparent soap. In particular, the amount of the antioxidant in the soap composition can be changed at any time depending on the unsaturated fatty acid ratio.
~ 1000 ppm, more preferably 50-300 ppm
It is.

The transparent solid soap composition of the present invention may further contain a polyoxyethylene type and / or polyoxypropylene type nonionic surfactant for further improving the transparency. Examples of the polyoxyethylene type and / or polyoxypropylene type nonionic surfactant to be blended for such a purpose include POE sorbitan monolaurate, POE sorbitan monooleate, POE
Sorbitan trioleate, POE sorbitan monoisostearate, POE lauryl ether, POE cetyl ether, POE oleyl ether, POE stearyl ether, POE behenyl ether, POE hexyl decyl ether, POE decyl tetradecyl ether, P
OE reduced lanolin, POE lanolin alcohol, POE
Phytosterols, POE or POP cetyl ether, POE or POP decyl tetradecyl ether,
POE nonyl phenyl ether, POE castor oil, PO
E-hardened castor oil and the like can be mentioned. In these polyoxyethylene type and / or polyoxypropylene type nonionic surfactants, the number of moles of polyoxyethylene and polyoxypropylene added is preferably from 1 to 100. ~ 7% by weight is preferred.

Further, in addition to the essential components described above, the transparent solid soap composition of the present invention may further contain, if necessary, a sulfonate such as an alkylbenzene sulfonate or an α-olefin sulfonate, sodium lauryl sulfate, Alkyl sulfates such as triethanolamine lauryl sulfate and ammonium lauryl sulfate; POE alkyl ether sulfates such as POE lauryl ether sodium sulfate, POE lauryl ether triethanolamine and ammonium POE lauryl ether sulfate; higher alcohol phosphates; Imidazoline-type amphoteric interfaces such as coconut oil alkyl-N-carboxyethylhydroxyethyl imidazolinium betaine and 2-palm kernel oil alkyl-N-carboxyethylhydroxyethylimidazolinium betaine Amidopropyl betaine-type amphoteric surfactants such as coconut oil fatty acid amidopropyl betaine, amide amidopropyl betaine, palm kernel oil fatty acid amidopropyl betaine, and acylmethyl taurine salts such as cocoyl methyl taurine sodium and lauroyl methyl taurine sodium Coconut oil fatty acid hydrolyzed silk peptide, lauroyl hydrolyzed silk peptide, palm kernel oil fatty acid hydrolyzed silk peptide, coconut fatty acid acyl hydrolyzed collagen peptide,
Lauroyl hydrolyzed collagen peptide, palm kernel oil fatty acid hydrolyzed collagen peptide, coconut fatty acid hydrolyzed casein peptide, lauroyl hydrolyzed casein peptide, palm kernel oil fatty acid hydrolyzed casein peptide, coconut fatty acid hydrolyzed keratin peptide, lauroyl hydrolyzed Degraded keratin peptides, acylated products of protein hydrolysates such as palm kernel fatty acid acyl hydrolyzed keratin peptides, disodium lauryl sulfosuccinate, POE (1-4) disodium lauryl sulfosuccinate, POE sulfosuccinate (5)
Sulfosuccinic surfactants such as disodium lauroylethanolamide and disodium lauryl oleamide sulfosuccinate, acylated isethionates, fatty acid amide ether sulfates, monoalkyl phosphates, and further fatty acid diethanolamide, fatty acid monoethanolamide, POE Nonionic surfactants such as fatty acid monoethanolamide, amine oxide, and POE alkyl phenyl ether; further, cationic surfactants such as lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, distearyltrimethylammonium chloride; N-2-hydroxyethyl -N-
2-lauric acid amide ethyl glycine, N-2-hydroxyethyl-N-2-coconut fatty acid amide ethyl glycine, N-2-hydroxyethyl-N-2-lauric acid amide ethyl-β-alanine, N-2-hydroxy Ethyl-N-2-coconut fatty acid amidoethyl-β-alanine,
N-2- (carboxymethyl) -N- {2- {N'-
(2-hydroxyethyl) lauric acid amide {ethyl}
Glycine, N-2- (carboxymethyl) -N- ｛2-
Surfactants such as {N ′-(2-hydroxyethyl) coconut oil fatty acid amide} ethyl} glycine can be used.

The transparent solid soap composition of the present invention may contain an emollient such as ester oil, a humectant such as hyaluronic acid, chitin and chitosan, a cell activator such as an aloe extract and a placenta extract, and an allantoin, if necessary. , An anti-inflammatory agent such as glycyrrhizinate, a fragrance, and a pigment can be added.

The transparent solid soap composition of the present invention can be produced by heating and dissolving predetermined components, then pouring into a mold, cooling and solidifying, cutting, polishing and stamping.

The transparent solid soap composition of the present invention can be produced by a conventional method. For example, when ethanol is used as a dissolution accelerator for soap, higher fatty acids, ethanol,
The polyhydric alcohol or saccharide of the component (B) and water are mixed and dissolved by heating. To this solution, the fatty acid soap (base material for soap) of the component (A), the fatty acid alkanolamide of the component (C), and other components are added as necessary, sufficiently mixed and dissolved, and then cooled and solidified. Cut to a predetermined size and shape. Then, depending on the cutting volume, if the cutout is about 100 g, water and ethanol are gradually vaporized and dried at room temperature for about 40 days. Thereby, a transparent solid soap composition is obtained.

When a lower alcohol such as ethanol is not used as a dissolution accelerator for fatty acid soap, component (B)
After the polyhydric alcohol of component (A), the fatty acid soap (base material for soap) of component (A), the fatty acid alkanolamide of component (C), and water, and other components are added as necessary, and then sufficiently heated and dissolved, , Cooled, solidified, cut, polished and stamped. Transparent soap that does not use a lower alcohol as a soap dissolving agent does not require a drying step, but after solidification and cutting to facilitate molding, depending on the cutting volume, if it is cut out of about 100 g, It is preferable to age for about one week.

As described above, since the transparent solid soap composition of the present invention contains the specific fatty acid alkanolamide of the component (C) as a modifier, it has good foam quality and an increased moist feeling after use. It has an effect and has good transparency and solid physical properties.

[0052]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on embodiments.

Examples 1 to 8 and Comparative Examples 1 to 2 Examples 1 to 8 and Comparative Examples 1 and 2 were prepared by using a conventional transparent solid soap composition having the formulation shown in Tables 1 and 2. The change in weight at the end of drying is indicated in the table. Mainly alcohol and water are reduced and become test samples,
The ethanol content at the end of drying in Examples 1 to 6 and Comparative Examples 1 and 2 was between 0.1 and 1.5%.

Next, the obtained transparent solid soap composition (dry product) was tested and evaluated for its moist feeling after washing, transparency, odor stability and solid property as described below. The obtained results are shown in Tables 1 and 2.

Evaluation method [Moist feeling test after washing] Using a transparent solid soap composition, the face was washed with water at 25 ° C and the state of the face 3 minutes after wiping the face with a towel was organoleptically evaluated. At that time, the soap composition of Comparative Example 1 was evaluated in the following four steps as a control. ◎: Very moist feeling compared to control ○: Slightly moist feeling compared to control △: Little difference from control ×: Moist feeling inferior to control

[Transparency Test] The transparent solid soap composition was stored at room temperature for 90 days, and the color after storage was visually observed. Then, the transparent solid soap composition of Example 1 before storage was evaluated in the following four steps as a control. ◎: When there is no difference from the control ○: When there is almost no difference from the control △: When slightly discolored and the transparency is reduced compared to the control ×: Discolored considerably and the transparency is reduced compared to the control If you have

[Odor Stability Test] The transparent solid soap composition was stored at room temperature for 90 days, and the odor after storage was organoleptically evaluated.
At that time, the transparent solid soap composition of Example 1 before storage was evaluated in the following four steps as a control. ◎: no difference from control ○: little difference from control △: slight odor compared to control ×: significant odor compared to control

[Solid physical property test] Ten professional panelists actually used the transparent solid soap composition for 10 days, and the solid physical properties such as swelling were visually evaluated. that time,
Using the transparent solid soap composition of Comparative Example 1 as a control, the average of the evaluation results of 10 persons was evaluated in the following four grades. ◎: When the solid property is better than the control. ：: When the solid property is almost the same as the control. ：: When the solid property is slightly inferior to the control. X: The solid property is very inferior to the control. If there is

[0059]

[Table 1]

As is clear from the results shown in Table 1, the coconut fatty acid bis (hydroxymethyl) propylamide contained 0.01%.
When the content is more than 10% by weight, the evaluation score of the moist feeling test after washing increases. However, when the content is more than 10% by weight, the feeling of use is improved, but the solid properties, particularly the solid strength, are not satisfactory.

[0061]

[Table 2]

As is clear from the results shown in Table 2, the transparent solid soap composition of the present invention had excellent solid properties and a moist feeling after use.

The transparent bar soap compositions having the formulations of Examples 9 to 14 were prepared as follows. Each of the formulations was a transparent soap having excellent solid properties and a moist feeling after use.

Example 9 Ingredient Name w / w% Sodium Tallow Fatty Acid 32.0 Coconut Fatty Acid Sodium 8.0 N-Cocoyl-Sodium Kurutamic Acid 2.0 Concentrated Quercerin 6.0 Sucrose 10.0 Ethanol 20.0 Coconut Fatty Acid Bis (hydroxymethyl) propylamide 1.0 Amidopropyldimethyl laurate Amine oxide 1.0 Water (Amount to 100wt%) Remaining

Example 10 Ingredient Name w / w% Sodium Tallow Fatty Acid 28.0 Sodium Coconut Fatty Acid 12.0 N-Cocoyl-Sodium Kurutamic Acid 2.0 Concentrated Quericerin 6.0 Sucrose 10.0 Ethanol 20.0 Coconut Fatty Acid Bis (hydroxymethyl) propylamide 1.0 Polyoxyfluoroperylene (1 ) Coconut fatty acid isofluoroamide amide 1.0 Water (100% by weight) Remainder

Example 11 Ingredient Name w / w% Sodium Tallow Fatty Acid 32.0 Coconut Fatty Acid Sodium 8.0 N-Cocoyl-Sodium Kurutamic Acid 2.0 Concentrated Quericerin 6.0 Sucrose 10.0 Ethanol 20.0 Coconut Fatty Acid Bis (hydroxymethyl) propylamide 0.5 Amidopropyldimethyl laurate Amine oxide 1.0 Polyoxyphenyl (1) Coconut fatty acid isopropyl amide 0.5 Water (100 wt%) Remainder

Example 12 Ingredient Name w / w% Sodium Tallow Fatty Acid 32.0 Sodium Coconut Fatty Acid 8.0 N-Cocoyl-Sodium Kurutamic Acid 2.0 Concentrated Quercerin 6.0 Sucrose 10.0 Ethanol 20.0 Coconut Fatty Acid Bis (hydroxymethyl) propylamide 1.0 Ethate 0.1 Perfume 0.5 water (amount to be 100wt%) remaining

Example 13 Ingredient Name w / w% Sodium Tallow Fatty Acid 32.0 Coconut Fatty Acid Sodium 8.0 N-Cocoyl-Sodium Kurutamic Acid 2.0 Concentrated Queryserin 6.0 Sucrose 10.0 Ethanol 20.0 N-Bis (hydroxymethyl) -ethyl-lauric amide 1.0 Quertilyltin Potassium citrate 0.1 Dye Trace amount Water (Amount to 100wt%) Remaining

Example 14 Ingredient Name w / w% Sodium Beef Tallow Fatty Acid 32.0 Coconut Fatty Acid Sodium 8.0 N-Cocoyl-Sodium Kurutamic Acid 2.0 Concentrated Quricherin 6.0 Sucrose 10.0 Ethanol 20.0 Coconut Fatty Acid Bis (hydroxymethyl) propylamide 1.0 Water-soluble Atelocollagen 0.01 Water (Amount to be 100wt%)

[0070]

According to the present invention as set forth in claims 1 and 2, a transparent solid having a good moist feeling after washing, having a creamy foam quality, and having good transparency and solid properties. A soap composition is obtained.

According to the third aspect of the present invention, in addition to the above-described effects, a moist feeling is further improved.

According to the fourth aspect of the present invention, in addition to the above effects, a more transparent transparent soap composition can be obtained.

According to the present invention, foaming properties are improved in addition to the above effects.

Claims (5)

[Claims] 1. Component (A): fatty acid soap, component (B): polyhydric alcohol, and component (C): general formula (1) [Where, R ¹ represents an unsubstituted or at least one linear or branched alkyl or alkenyl group which is substituted by a hydroxyl group of 21 to 5 -C, R ²
Represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and m and n represent the same or different integers of 1 to 5; However, m ≠ n when R ² is a hydrogen atom. ] A transparent bar soap composition comprising, as an essential component, a fatty acid alkanolamide represented by the formula: 2. Component (A): 20 to 50% by weight of a fatty acid soap, Component (B): 10 to 60% by weight of a polyhydric alcohol, and Component (C): 0.01 to 50% by weight of a fatty acid dialkanolamide.
The transparent solid soap composition according to claim 1, which is contained in a proportion of 10% by weight. 3. Component (C): a fatty acid alkanolamide, wherein R ² in the formula (1) is a methyl group or an ethyl group, and m = n = 1. The transparent solid soap composition according to the above description. 4. Component (D): General formula (2) [In the formula, R ³ represents a saturated or unsaturated hydrocarbon group having 7 to 19 carbon atoms, and M ₁ and M ₂ each independently represent a hydrogen atom, an ammonium group, an alkali metal atom, an alkanolamine or a basic amino acid. Represents a cationic residue. The N-acylglutamate represented by the formula
4. The method according to claim 1, wherein the content is 5% by weight.
Item 10. The transparent solid soap composition according to item 8. 5. The transparent solid soap composition according to claim 1, further comprising a component (E): a higher fatty acid.