WO2014050487A1

WO2014050487A1 - Liquid antiperspirant composition

Info

Publication number: WO2014050487A1
Application number: PCT/JP2013/073965
Authority: WO
Inventors: 郁青中江; 吉田　晋
Original assignee: 株式会社資生堂
Priority date: 2012-09-25
Filing date: 2013-09-05
Publication date: 2014-04-03
Also published as: TW201417834A; JP2014065671A; CN104812364A; KR20150060680A; HK1211214A1; JP6139836B2; TWI634904B; CN104812364B

Abstract

The present invention provides a liquid antiperspirant composition having an excellent sensation of coolness and excellent stability. The liquid antiperspirant composition according to the present invention is characterized by comprising components (a) to (e) as mentioned below, wherein the amount of the component (d) added is less than 70 mass%: (a) menthol or a derivative thereof; (b) a di-long-chain-type cationic surfactant; (c) zinc paraphenolsulfonate; (d) ethanol; and (e) a clay mineral.

Description

Liquid antiperspirant composition

Related applications

This application claims the priority of Japanese Patent Application No. 2012-210843 filed on September 25, 2012, and is incorporated herein.

The present invention relates to a liquid antiperspirant composition, and more particularly to a liquid antiperspirant composition excellent in refreshing feeling and stability.

Antiperspirant compositions are often used during high temperatures. Therefore, there is a demand for an antiperspirant composition that imparts not only an antiperspirant effect but also a cool feeling such as a cool feeling.
As an example of such an antiperspirant composition, Patent Document 1 discloses a cool deodorant cosmetic containing a cooling agent such as menthol and an antiperspirant such as zinc paraphenolsulfonate.
Patent Document 2 describes that the cooling effect is improved by blending a cooling substance such as L-menthol and a cationic surfactant such as a dilong chain cationic surfactant. Yes.

On the other hand, when the di-long-chain type cationic surfactant and zinc paraphenol sulfonate are used in combination, the composition generates a white precipitate even if the blending amount is very small, and there is a problem in stability.

JP 2002-080335 A JP 2002-114649 A

The present invention has been made in view of the prior art, and a problem to be solved is to provide a liquid antiperspirant composition excellent in refreshing feeling and stability.

As a result of intensive studies by the present inventors to solve the above-mentioned problems, ethanol and clay minerals were added to a composition containing menthol or a derivative thereof, a di-long-chain cationic surfactant, and zinc paraphenolsulfonate. In order to complete the present invention, it is found that by blending a certain amount or more of a certain amount of ethanol, a liquid antiperspirant composition having excellent cooling sensation, antiperspirant effect and excellent stability can be obtained. It came.

That is, the liquid antiperspirant composition according to the present invention includes the following components (a) to (e), and the amount of component (d) is less than 70% by mass.
(A) Menthol or its derivative (b) Dilong chain type cationic surfactant (c) Zinc paraphenol sulfonate (d) Ethanol (e) Clay mineral The liquid antiperspirant composition according to the present invention comprises: It contains the following components (a) to (d), and the amount of component (d) is 50% by mass or more.
(A) Menthol or a derivative thereof (b) Di long-chain cationic surfactant (c) Zinc paraphenol sulfonate (d) Ethanol In the composition, (b) component is distearyldimethylammonium chloride and / or di Cocoylethylhydroxyethylmonium methosulfate is preferred.
In the composition, the component (e) is preferably one or more selected from bentonite, kaolin, talc, and mica.

The present invention can provide a liquid antiperspirant composition having excellent refreshing feeling and stability.

Photo taken of Test Example 1-2 stored at -5 ° C for 1 week.

The liquid antiperspirant composition according to the present invention comprises (a) menthol or a derivative thereof, (b) a dilong-chain cationic surfactant, (c) zinc paraphenolsulfonate, and (d) ethanol.
(D) The amount of component is 50% by mass or more, or
(D) The compounding quantity of a component is less than 70 mass%, Comprising: (e) Clay mineral is included further, It is characterized by the above-mentioned.
Hereinafter, each component will be described in detail.

((A) Menthol or its derivative)
(A) Menthol or its derivative can mix | blend the component which can be normally mix | blended with an external preparation.
Examples of the component (a) include menthol such as l-menthol and dl-menthol, menthyl lactate, l-menthyl glyceryl ether, l-menthyl glucoside, l-menthyl hydroxybutyrate, menthoxypropanediol, and menthoxyfuran. Menthol derivatives.

0.001 mass% or more is preferable and the compounding quantity of (a) component has more preferable 0.01 mass% or more. When the blending amount is less than 0.001% by mass, it may be difficult to feel a refreshing feeling.
Moreover, 3 mass% or less is preferable and the compounding quantity of (a) component has more preferable 1.5 mass% or less. The amount may be large, but the irritation to people with sensitive skin may be too strong.

((B) Di-long chain type cationic surfactant)
(B) It is preferable to use a compound represented by the following formula (I) as the di-long-chain cationic surfactant.

In the formula (I), any two of R ¹ to R ⁴ are each a linear or branched alkyl group having 8 to 36 carbon atoms which may be substituted with a hydroxyl group, or R ⁵ — (Z1) _q 1 − (Y1) _p − is represented. R ⁵ represents a linear or branched alkyl group having 8 to 36 carbon atoms which may be substituted with a hydroxyl group, and Y 1 represents —CH ₂ CH ₂ —, —CH ₂ CH ₂ CH ₂ —, —CH ₂ CH ₂ represents a bonding group selected from —O—, —CH (OH) CH ₂ O—, and Z1 is selected from an amide bond (—CONH—), an ether bond (—O—), and an ester bond (—COO—). Represents a bonding group. p and q each represents an integer of 0 or 1.
The remaining two of R ¹ to R ⁴ each represent an alkyl group having 1 to 3 carbon atoms or a benzyl group which may be substituted with a hydroxyl group, and may be the same or different.
X represents an anion such as a halogen atom, an alkyl sulfate group having 1 or 2 carbon atoms, or a residue obtained by removing a hydrogen atom of an organic acid.

Examples of the di-long-chain cationic surfactant represented by the above formula (I) include distearyldimethylammonium chloride, dicocoylethylhydroxyethylmonium methosulfate, didecyldimethylammonium chloride, dicocoyldimethylammonium chloride, odor Dicocoyl dimethyl ammonium chloride, dilauryl dimethyl ammonium chloride, dimyristyl dimethyl ammonium chloride, dicetyl dimethyl ammonium chloride, dipalmityl dimethyl ammonium chloride, distearyl dimethyl ammonium bromide, dioleyl dimethyl ammonium chloride, dipalmitoyl ethyl hydroxyethylmonium chloride Methosulfate, dicocoyl hydroxyethyl methylmonium methosulfate, distearyl ethyl hydroxyethylmonium chloride, etc. It is below.
It is preferable to use distearyldimethylammonium chloride and dicocoylethylhydroxyethylmonium methosulfate as the di long-chain cationic surfactant.

(B) 0.001 mass% or more is preferable and the compounding quantity of a component has more preferable 0.005 mass% or more. Even when the blending amount is less than 0.001% by mass, a white precipitate is formed when mixed with the component (c), but the refreshing feeling may not be satisfied.
Moreover, 1 mass% or less is preferable and the compounding quantity of (b) component has more preferable 0.5 mass% or less. The blending amount may be large, but the effect may not be increased.

((C) Zinc paraphenol sulfonate)
In this invention, 0.01 mass% or more is preferable and the compounding quantity of (c) component has more preferable 0.1 mass% or more. Even when the blending amount is less than 0.01% by mass, a white precipitate is formed when mixed with the component (b), but the antiperspirant effect may not be satisfied in some cases.
Moreover, 3 mass% or less is preferable, and, as for the compounding quantity of (c) component, 1 mass% or less is more preferable. The blending amount may be large, but the effect may not be increased.

((D) ethanol)
(E) When the clay mineral is not blended, the blending amount of the component (d) needs to be 50% by mass or more. Moreover, it is preferable that a compounding quantity is 65 mass% or more, and it is more preferable that it is 70 mass% or more. When the amount is less than 50% by mass, white precipitates are generated.

(E) When blending clay mineral, the blending amount of component (d) is preferably less than 70% by mass. When the blending amount is 70% by mass or more, the expression of the white precipitate suppressing effect due to the blending of the component (e) may not be remarkably felt.

((E) clay mineral)
In the liquid antiperspirant composition of the present invention, when (d) the blending amount of ethanol is less than 70% by mass, it is preferable to blend (e) a clay mineral.
When the amount of component (d) is small, white precipitates are likely to be generated particularly in the low temperature range, but by adding component (e), white precipitates are suppressed and a composition having excellent stability is obtained. be able to.

(E) As a clay mineral, the component normally mix | blended with an external preparation can be used.
Examples of the component (e) include bentonite, kaolin, talc, mica, hectorite, montmorillonite, smectite, and saponite.
As the component (e), bentonite, kaolin, talc and mica are preferably used, and bentonite is more preferably used.

The amount of component (e) is preferably 0.001% by mass or more, and more preferably 0.02% by mass or more. When the blending amount is less than 0.001% by mass, white precipitates may be generated.
Moreover, 1 mass% or less is preferable and the compounding quantity of (e) component has more preferable 0.1 mass% or less. The blending amount may be large, but stickiness may occur and the usability may be deteriorated.

In addition, the amount of component (e) is preferably at least twice that of component (b). In this case, a more excellent white precipitate suppressing effect can be realized in the low temperature region.

In the liquid antiperspirant composition of the present invention, components that can be usually blended with external preparations can be blended within a range not impairing the effects of the present invention. Examples of such components include water, lower alcohols, surfactants, powders, drugs, buffers, fragrances, bactericides, moisturizers, thickeners, pH adjusters, preservatives, antioxidants, chelating agents. , Whitening agents, ultraviolet absorbers, coloring materials and the like.

The product form of the liquid antiperspirant composition of the present invention is not particularly limited, and examples thereof include antiperspirants, body lotions, lotions, and cosmetic liquids.
An antiperspirant aerosol composition can also be provided by incorporating a propellant into the liquid antiperspirant composition of the present invention.

The present invention will be described in more detail with reference to the following examples, but the present invention is not limited thereto. Unless otherwise specified, the blending amount is expressed in mass% with respect to the system in which the component is blended.
Prior to the description of the examples, the stability evaluation method used in the present invention will be described.

Stability evaluation method The stability of a sample after storage at -5 ° C, 0 ° C, 5 ° C, 10 ° C or 25 ° C for 1 week was evaluated.
A: No white precipitate was generated, and the whole was transparent.
○: Almost no white precipitate was generated.
Δ: Some white precipitate was generated.
X: White precipitate was generated throughout.

By combining menthol or a derivative thereof and a di-long-chain cationic surfactant, a composition having an excellent refreshing feeling can be obtained. Then, the antiperspirant composition which combined these compounds and the paraphenol sulfonate zinc which has an antiperspirant effect was examined.
That is, samples having the compositions shown in Table 1 below were produced by a conventional method, and each sample was evaluated by the above evaluation method. The results are shown in Table 1.
Further, FIG. 1 shows a photograph of the sample of Test Example 1-2 when the stability at −5 ° C. was evaluated.

(* 1): Menthol JP (manufactured by Takasago International Corporation)
(* 2): FRESCOLAT (manufactured by Simrise)
(* 3): Cation DSV (manufactured by Sanyo Chemical Industries)
(* 4): Sulfo zinc carbonate (manufactured by Matsumoto Fine Chemical Co., Ltd.)

Test Example 1-1 containing menthol, a menthol derivative, and a di-long-chain cationic surfactant was excellent in refreshing feeling but did not have an antiperspirant effect.
However, Test Example 1-2, in which the composition of Test Example 1-1 was blended with zinc paraphenolsulfonate, had an antiperspirant effect, but the stability was poor.
From Table 1 and FIG. 1, when the di-long-chain cationic surfactant and zinc paraphenolsulfonate are used in combination, a complex is formed, white precipitates are generated, and the stability of the composition is deteriorated. It was revealed.
Although the composition of Test Example 1-3 was excellent in stability, it did not contain a di-long-chain cationic surfactant, so it felt cooler than the composition of Test Example 1-2. I couldn't.

In the composition containing the di long-chain cationic surfactant and zinc paraphenol sulfonate, a component that suppresses white precipitates and enhances stability was investigated.
The inventors manufactured samples having the compositions shown in Table 2 below by a conventional method, and evaluated each sample by the above evaluation method. The results are shown in Table 2.

According to Table 2, it became clear that the stability improved as the blending amount of ethanol was increased.

Accordingly, the liquid antiperspirant composition according to the present invention comprises (a) menthol or a derivative thereof, represented by distearyldimethylammonium chloride, (b) a dilong-chain cationic surfactant, and (c) paraphenolsulfone. Zinc acid, (d) It is necessary to contain 50 mass% or more of ethanol in the composition. Such an antiperspirant composition of the present invention is not only excellent in refreshing feeling and antiperspirant effect, but also excellent in stability.

Next, the component which improves low-temperature stability was examined in the composition which mix | blended the di long-chain type | mold cationic surfactant and the paraphenol sulfonate zinc.
The inventors manufactured samples having the compositions shown in Table 3 below by a conventional method, and evaluated each sample by the above evaluation method. The results are shown in Table 3.

(* 5): Wenger FW (manufactured by Hojun Co.)

According to Table 3, it was revealed that Test Example 3-1 in which bentonite was blended with Test Example 2-3 was excellent in stability even at low temperatures.

Therefore, especially when the blending amount of ethanol is less than 70% by mass, the liquid antiperspirant composition according to the present invention comprises (a) menthol or a derivative thereof, (b) a di-long-chain cationic surfactant, (c It is preferable that (e) clay minerals represented by (e) zinc paraphenolsulfonate, (d) ethanol and bentonite. Since this liquid antiperspirant composition is excellent in low temperature stability, it can also be stored in a refrigerator.

Next, the blending amount of (e) clay mineral was examined.
The inventors manufactured samples having the compositions shown in Table 4 below by a conventional method, and evaluated each sample by the above evaluation method. The results are shown in Table 4.

According to Table 4, it was found that the stability was improved even with a small amount of bentonite.
For these reasons, the blending amount of (e) clay mineral is preferably 0.001 to 1% by mass.

Next, the type of (b) di-long chain type cationic surfactant was examined.
The inventors manufactured samples having the compositions shown in Table 5 below by a conventional method, and evaluated each sample by the above evaluation method. The results are shown in Table 5.

(* 6): Dehyquart L80 (BASF)

From the results shown in Table 5, dicocoylethylhydroxyethylmonium methosulfate can also be used as the (b) dilong-chain cationic surfactant of the present invention.
Also, from Table 4 and Table 5, in order to obtain a composition having better low-temperature stability, it is preferable that the amount of component (e) is at least twice the amount of component (b). .

Next, (e) the kind of clay mineral was examined.
The inventors manufactured samples having the compositions shown in Table 6 below by a conventional method, and evaluated each sample by the above evaluation method. The results are shown in Table 6.

(* 7): ASP-900 (BASF
(Catalysts)
(* 8): Talc JA-68R (Asada Flour Mills)
(* 9): Sericite MAS (T) (manufactured by Kinsei Matec)

According to Table 6, kaolin, talc and mica can be used as the (e) clay mineral of the present invention in addition to bentonite. Even when these components (e) are used, they can usually be stored in a refrigerator.
However, when storing at 0 ° C. or lower, it is preferable to use bentonite as the component (e).

The following are examples of formulating the liquid antiperspirant composition of the present invention.

Formulation Example 1 Body lotion for liquid antiperspirant l-menthol 0.3% by mass
Lactic acid menthyl 0.2
Distearyldimethylammonium chloride 0.005
Zinc paraphenol sulfonate 0.5
Ethanol 45
Bentonite 0.01
Benzalkonium chloride solution (48%) 0.1
Lactic acid 0.04
Perfume Appropriate amount of water Remaining

Claims

A liquid antiperspirant composition comprising the following components (a) to (e), wherein the blending amount of the component (d) is less than 70% by mass.
(A) Menthol or its derivative (b) Di-long-chain cationic surfactant (c) Zinc paraphenolsulfonate (d) Ethanol (e) Clay mineral
A liquid antiperspirant composition comprising the following components (a) to (d), wherein the blending amount of the component (d) is 50% by mass or more.
(A) Menthol or its derivative (b) Di-long-chain cationic surfactant (c) Zinc paraphenol sulfonate (d) Ethanol
3. The liquid antiperspirant composition according to claim 1, wherein the component (b) is distearyldimethylammonium chloride and / or dicocoylethylhydroxyethylmonium methosulfate.
4. The liquid antiperspirant composition according to claim 1, wherein the component (e) is one or more selected from bentonite, kaolin, talc and mica.