JP2014218475A - Antiperspirant composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an antiperspirant composition which has a high antiperspirant efficacy, can prevent sweat production sufficiently, is excellent in sustainability thereof, hardly causes sweat stains of clothes, and prevents a stickiness during drying after application, and further has a good stable external appearance at a long period of time.SOLUTION: An antiperspirant composition contains an antiperspirant component (A), a surfactant (B), and an ethanol (C), and the surfactant (B) is an anionic surfactant and an ampholytic surfactant (B-2) with a phosphate group (B-1), a carboxyl group, or a sulfuric acid group. A containing mass ratio of a total amount of the component (A) and a total amount of the component (B) which is expressed by (B)/(A) is 0.02-10.

Description

  The present invention relates to an antiperspirant composition. More specifically, the present invention relates to an antiperspirant composition that has a high antiperspirant effect and its durability, is excellent in use feeling, and has good appearance stability.

  Antiperspirant deodorant agents are mainly used for technological development such as deodorization of odor components due to sweat and body odor, and sterilization of bacteria that cause odor generation. Although these problems can be solved by suppressing perspiration that is the source of odor (antiperspirant), when chlorohydroxyaluminum (ACH), which is an active ingredient having a conventional antiperspirant action, has a large amount of perspiration, etc. The antiperspirant effect is not sufficient, sweating of clothes occurs, and when the amount of ACH is increased to improve the antiperspirant effect, problems such as stickiness occur, leading to user dissatisfaction.

  In addition, the following are mentioned as prior art documents relevant to the present invention.

JP 2000-229826 A JP 2002-3356 A JP 2007-153850 A JP-A-9-157147 JP 2010-116341 A

  The present invention has been made in view of the above circumstances, has a high antiperspirant effect, can sufficiently suppress the generation of sweat, is excellent in its sustainability, prevents sweating of clothes, and is sticky during drying after application. An object of the present invention is to provide an antiperspirant composition that is suppressed and has good appearance stability over a long period of time.

  As a result of intensive studies to achieve the above object, the present inventors have found an antiperspirant composition comprising (A) an antiperspirant component, (B) a surfactant, and (C) ethanol, By combining (B-1) specific anionic surfactant and (B-2) amphoteric surfactant as component B), (A), (B-1) and (B-2) The interaction of the three components provides a high antiperspirant effect and its sustainability, prevents sweating of clothes, reduces stickiness during drying after application, and further comprises (A) component and (B-1), By making the total amount of the (B-2) component an appropriate blending ratio, the dissolved state of the (A), (B-1) and (B-2) components can be kept stable, and over a long period of time. The present inventors have found that good appearance stability can be obtained, and have made the present invention.

Accordingly, the present invention provides the following antiperspirant composition.
[1]
(A) containing an antiperspirant component, (B) a surfactant, and (C) ethanol,
(B) the surfactant is (B-1) an anionic surfactant having a phosphate group, a carboxyl group or a sulfate group, and (B-2) an amphoteric surfactant.
An antiperspirant composition, wherein the mass ratio of the total amount of the component (A) and the component (B) represented by (B) / (A) is 0.02 to 10.
[2]
The component (B-1) is selected from polyoxyethylene polyoxypropylene alkyl ether phosphoric acid and its salt and polyoxyethylene alkyl ether phosphoric acid and its salt, and the component (B-2) is a betaine-type amphoteric surface activity. The antiperspirant composition according to [1], which is an agent.
[3]
The antiperspirant composition according to [1] or [2], wherein the containing mass ratio represented by (B) / (A) is 0.05 to 4.
[4]
Any of [1] to [3], wherein the content mass ratio of the component (B-1) represented by (B-2) / (B-1) to the component (B-2) is 0.2 to 5. An antiperspirant composition as described in 1. above.
[5]
The antiperspirant according to any one of [1] to [4], wherein the blending amount of the component (A) is 1 to 25% by mass and the total blending amount of the component (B) is 0.2 to 15% by mass. Composition.
[6]
(C) The antiperspirant composition according to any one of [1] to [5], wherein the blending amount of ethanol is 40% by mass or more.
[7]
(A) The antiperspirant composition according to any one of [1] to [6], wherein the component is chlorohydroxyaluminum.

  According to the present invention, the antiperspirant composition has a high antiperspirant effect and its durability, prevents sweating of clothes, prevents stickiness during drying after application, and has excellent appearance stability over a long period of time. Things can be provided.

The antiperspirant composition of the present invention comprises:
(A) containing an antiperspirant component, (B) a surfactant, and (C) ethanol,
(B) the surfactant is (B-1) an anionic surfactant having a phosphate group, a carboxyl group or a sulfate group, and (B-2) an amphoteric surfactant.
This is an antiperspirant composition having a mass ratio of (B) / (A) of 0.02 to 10.

[(A) Antiperspirant component]
The antiperspirant component is not particularly limited as long as it provides an antiperspirant effect. Aluminum chloride, aluminum sulfate, potassium aluminum sulfate, aluminum acetate, chlorohydroxyaluminum, allantoin chlorohydroxyaluminum, chlorohydroxyaluminum / propylene glycol complex, chloro Examples thereof include a hydroxyaluminum / zirconium-glycine complex, and the like can be used alone or in combination of two or more. Among these, from the viewpoint of the antiperspirant effect, components containing chlorohydroxyaluminum such as chlorohydroxyaluminum, chlorohydroxyaluminum / propylene glycol complex, allantoin chlorohydroxyaluminum, chlorohydroxyaluminum / zirconium / glycine complex are preferable, Chlorohydroxyaluminum is preferred.

  (A) The compounding quantity of component is 1-25 mass% of the whole composition from the point of the antiperspirant effect and the stickiness suppression during drying after application | coating, More preferably, it is 1.5-15 mass%. If the amount is less than 1% by mass, the antiperspirant effect becomes insufficient and the sweating suppression effect may be reduced. If the amount exceeds 25% by mass, the appearance stability and the non-stickiness during drying after application may be reduced.

[(B) Surfactant]
The component (B) is a surfactant. In the present invention, (B-1) an anionic surfactant having a phosphate group, a carboxyl group or a sulfate group, and (B-2) an amphoteric surfactant. When used in combination, the antiperspirant effect, its sustainability, and the sweat-suppressing effect can be enhanced, and the components (B-1) and (B-2) are used in an appropriate ratio with respect to the component (A). Thus, in addition to the above, good appearance stability can be obtained.

(B-1) Anionic surfactant As the anionic surfactant, an anionic surfactant having a phosphate group, a carboxyl group or a sulfate group is used.
Examples of the anionic surfactant having a phosphate group include polyoxyethylene alkyl ether phosphoric acid or a salt thereof, monoalkyl phosphoric acid or a salt thereof, polyoxyethylene polyoxypropylene alkyl ether phosphoric acid or a salt thereof, and the like.

  Specific examples of the polyoxyethylene alkyl ether phosphoric acid or a salt thereof include polyoxyethylene lauryl ether phosphate (NIKKOL DLP-10), sodium polyoxyethylene oleyl ether phosphate (NIKKOL DOP-) manufactured by Nikko Chemicals Co., Ltd. 8NV), polyoxyethylene alkyl (12-15) ether phosphate (NIKKOL DDP-4), polyoxyethylene alkyl (12-15) ether phosphate (NIKKOL DDP-6, DOP-6), polyoxyethylene alkyl ( 12-15) Ether phosphoric acid (8E.O.) (NIKKOL DDP-8, DOP-8), polyoxyethylene alkyl (12-15) ether phosphoric acid (10E.O.) (NIKKOL DDP-10, DOP-) 10) Polyoxyethylene Sodium lauryl ether phosphate (NIKKOL TLP-4), sodium polyoxyethylene cetyl ether phosphate (NIKKOL TCP-5), polyoxyethylene lauryl ether phosphate (NIKKOL Phosten HLP-1), poly from Croda Japan Co., Ltd. Examples thereof include oxyethylene oleyl ether phosphoric acid (Crodafos N3A, Crodafos N10A). In addition, E.I. O. Represents ethylene oxide (the same shall apply hereinafter).

  Specific examples of the monoalkyl phosphoric acid or a salt thereof include lauryl phosphoric acid (NIKKOL Phosten HLP) manufactured by Nikko Chemicals Co., Ltd.

  Specific examples of polyoxyethylene polyoxypropylene alkyl ether phosphoric acid or a salt thereof include polyoxyethylene (10) polyoxypropylene (5) cetyl ether phosphoric acid (Clodafos SG) from Croda Japan Co., Ltd. It is done. The numbers in parentheses indicate the average number of added moles of polyoxyethylene (sometimes abbreviated as POE) or polyoxypropylene (sometimes abbreviated as POP) (the same applies hereinafter).

  These can be used alone or in combination of two or more. Among these, from the viewpoint of the antiperspirant effect, polyoxyethylene (10) polyoxypropylene (5) cetyl ether phosphate and polyoxyethylene alkyl (12-15) ether phosphate are preferable. Polyoxyethylene (10) polyoxypropylene (5) cetyl ether phosphoric acid is more preferable from the viewpoint of durability of effect and non-sweating.

  Examples of the anionic surfactant having a carboxyl group include alkyl ether carboxylic acid or a salt thereof, N-acylamino acid or a salt thereof.

  Specific examples of alkyl ether carboxylic acids or salts thereof include Nikko Chemicals' polyoxyethylene lauryl ether acetic acid (NIKKOL AKYPO RLM-100), sodium polyoxyethylene lauryl ether acetate (NIKKOL AKYPO RLM-100NV), and the like. Is mentioned.

  Specific examples of N-acyl amino acids or salts thereof include coconut oil fatty acid sarcosine sodium (NIKKOL sarcosinate CN-30), N-coconut oil fatty acid acyl-L-glutamate sodium (Ajinomoto Co., Inc.) from Nikko Chemicals Co., Ltd. Amisoft CS-11), sodium N-myristoyl-L-glutamate (Ajinomoto Co., Inc. Amisoft MS-11) and the like.

  These can be used alone or in combination of two or more. Among these, N-coconut oil fatty acid acyl-sodium L-glutamate and polyoxyethylene lauryl ether acetic acid are preferable.

  Examples of the anionic surfactant having a sulfate group include polyoxyethylene alkyl ether sulfuric acid or a salt thereof, alkyl sulfuric acid or a salt thereof, and N-acyl taurine salt.

  Specific examples of polyoxyethylene alkyl ether sulfuric acid or a salt thereof include sodium polyoxyethylene lauryl ether sulfate (NIKKOL SBL-2N-27) and polyoxyethylene alkyl (12,13) ether sulfuric acid manufactured by Nikko Chemicals Co., Ltd. And triethanolamine (3E.O.) (NIKKOL NES-303-36).

  Specific examples of the alkylsulfuric acid or a salt thereof include sodium lauryl sulfate (NIKKOL SLS), hydrogenated coconut fatty acid sodium glyceryl sulfate (NIKKOL SGC-80N) manufactured by Nikko Chemicals Corporation.

  Specific examples of the N-acyl taurine salt include coconut oil fatty acid methyl taurine sodium (NIKKOL CMT-30), sodium lauroyl methyl taurine (NIKKOL LMT) manufactured by Nikko Chemicals Corporation.

  These can be used alone or in combination of two or more. Of these, sodium polyoxyethylene lauryl ether sulfate (NIKKOL SBL-2N-27) and sodium palm oil fatty acid methyl taurine (NIKKOL CMT-30) are particularly preferable.

  Among the components (B-1), an anionic surfactant having a phosphate group is preferable from the viewpoint of antiperspirant effect and its durability, and non-stickiness during drying after coating, and polyoxyethylene polyoxy More preferred are those selected from propylene alkyl ether phosphoric acid and salts thereof and polyoxyethylene alkyl ether phosphoric acid and salts thereof, particularly preferably polyoxyethylene alkyl (12-15) ether phosphoric acid from the viewpoint of antiperspirant effect. (NIKKOL DDP-6, NIKKOL DDP-8, NIKKOL DDP-10, NIKKOL DOP-6, NIKKOL DOP-8, NIKKOL DOP-10), polyoxyethylene oleyl ether phosphate (Clodafos N3A, Crodafos N10) (10) Polyoki Cypropylene (5) cetyl ether phosphoric acid (Clodafos SG), particularly preferably polyoxyethylene (10) polyoxypropylene (5) from the standpoint of durability of antiperspirant effect and non-stickiness during drying after coating. ) Cetyl ether phosphoric acid (Clodafos SG).

  (B-1) The compounding quantity of component is 0.05-10 mass% of the whole composition from the point of an antiperspirant effect and external appearance stability, More preferably, it is 0.3-5 mass%. If it is less than 0.05% by mass, the antiperspirant effect becomes insufficient, and the sweat-suppressing effect may be reduced. If it exceeds 10% by mass, aggregation and precipitation occur, and there is no stickiness during drying after application, and appearance stability. Sexual decline may occur and skin irritation may occur.

(B-2) Amphoteric surfactant By blending the component (B-2) together with the component (B-1), the antiperspirant effect can be further enhanced and the sustainability can be improved. Examples of amphoteric surfactants include betaine-type amphoteric surfactants, amino acid-based amphoteric surfactants, and carboxylate-type amphoteric surfactants.

  Examples of the betaine type amphoteric surfactants include amidopropyl betaine type amphoteric surfactants, acetate acetate type amphoteric surfactants, imidazoline type amphoteric surfactants, and sulfobetaine type amphoteric surfactants.

  Specific examples of amidopropyl betaine-type amphoteric surfactants include amidopropyl betaine laurate (Energy Coal L-30B, Lion Corp.), palm oil fatty acid amidopropyl betaine (NIKKOL AM-313ON, Nikko Chemicals Corp.) )).

  Specific examples of the betaine acetate amphoteric surfactant include lauryldimethylaminoacetate betaine (NIKKOL AM-301, Nikko Chemicals).

  Specific examples of imidazoline-type amphoteric surfactants include 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine (Enazicol C-40H, Lion Corp .; NIKKOL AM-101, Nikko Chemicals ( Etc.).

  Examples of the sulfobetaine double-sided surfactant include lauryl hydroxysulfobetaine (Amphithol 20HD, Kao Corporation).

  Specific examples of the amino acid-based amphoteric surfactant include N-lauroyl-L-arginine (Amisafe AL-01, Ajinomoto Healthy Supply Co., Ltd.), lauryl diaminoethylglycine sodium (Nissan Anon LG-R, NOF ( Etc.).

  Specific examples of the carboxylate-type amphoteric surfactant include sodium N-lauroyl-N′-carboxymethyl-N′-hydroxyethylethylenediamine (Levon 101-H, Sanyo Chemical Co., Ltd.).

  The amphoteric surfactant is preferably a betaine type amphoteric surfactant from the viewpoint of appearance stability, and more preferably an amidopropyl betaine from the viewpoint of durability of antiperspirant effect and non-stickiness during drying after application. It is a type amphoteric surfactant, and particularly preferred is amidopropyl betaine laurate (Energy Coal L-30B, Lion Co., Ltd.) from the viewpoint of durability of the antiperspirant effect.

  The blending amount of the component (B-2) is preferably 0.05 to 10% by mass of the whole composition from the viewpoint of antiperspirant effect and its durability, no stickiness during drying after application, and appearance stability. Preferably, it is 0.3-5 mass%. If it is less than 0.05% by mass, the antiperspirant effect, persistence of the antiperspirant effect, and non-stickiness during drying after application may be insufficient. If it exceeds 10% by mass, there is no stickiness during drying after application. In addition, the appearance stability may be reduced and skin irritation may occur.

  In the present invention, as a preferable combination of the components (B-1) and (B-2), the component (B-1) is an antiperspirant effect and its durability, and the non-stickiness during drying after application. Polyoxyethylene alkyl (12-15) ether phosphoric acid (NIKKOL DDP-6, NIKKOL DDP-8, NIKKOL DDP-10, NIKKOL DOP-6, NIKKOL DOP-8, NIKKOL DOP-10), polyoxyethylene oleyl ether phosphorus It is an anionic surfactant having a phosphate group such as acid (Crodafos N3A, Crodafos N10A), polyoxyethylene (10) polyoxypropylene (5) cetyl ether phosphoric acid (Crodafos SG), and component (B-2) Lauramide amidopropyl betaine, palm oil fatty acid amidopropyl betaine Amidopropyl betaine type amphoteric surfactants such as in, especially (B-1) polyoxyethylene (10) polyoxypropylene (5) cetyl ether phosphoric acid (Clodafos SG) and (B-2) lauric acid It is preferable to use amidopropyl betaine (Energy Coal L-30B, Lion Corporation) in combination.

  The total blending amount of the component (B-1) and the component (B-2) is preferably 0.2 to 15% by mass, more preferably 0.8 to 6% by mass based on the entire composition. Within the above range, the antiperspirant effect and its durability, the non-stickiness during drying after application, the suppression of sweating, and the appearance stability can be obtained.

  In the present invention, a preferable blending ratio of the component (B-1) and the component (B-2) is (B-2) with respect to the component (B-1) represented by (B-2) / (B-1). The mass ratio of the components is 0.2 to 5 and more preferably 0.5 to 2 from the viewpoint of sustaining the antiperspirant effect. If it is less than 0.2 or exceeds 5, the durability of the antiperspirant effect and the absence of sweat may be reduced.

  Moreover, the blending ratio of the (A) component and the total amount of the (B) component [(B-1) and (B-2) component] is (B) / (A) with respect to the (A) component ( The mass ratio of the total amount of component B) is 0.02 to 10 and more preferably 0.05 to 4 from the viewpoint of appearance stability. By setting it as this range, even if the component (A) and the components (B-1) and (B-2) are dissolved in a solvent and can be brought into contact with each other, good appearance stability without precipitation or the like Can be obtained. If it is less than 0.02, the antiperspirant effect persists, and sweating tends to occur. If it exceeds 10, the antiperspirant effect and its persistence, no stickiness during drying, and appearance stability decreases, resulting in sweating. Is likely to occur.

[(C) Ethanol]
In the present invention, (C) ethanol is further blended. The blending amount of ethanol is preferably 20% by mass or more, more preferably 40% by mass or more, and still more preferably 55% by mass or more based on the stability of appearance and reduction of stickiness during drying after coating. By setting it as the said range, favorable formulation uniformity and appearance stability can be obtained. The upper limit is not particularly limited, but is preferably 85% by mass or less from the viewpoint of skin irritation.

[Optional ingredients]
In addition to the above components, the antiperspirant composition of the present invention can be blended with one kind of known components usually used in the antiperspirant deodorant composition, depending on the dosage form, alone or in combination of two or more. . Specifically, there is no particular limitation, and can be appropriately selected and blended according to the purpose within a range not impeding the effects of the present invention, such as oils and fats, waxes, silicone oils, hydrocarbon oils, higher fatty acids, Higher alcohols, synthetic ester oils (esters), polymer compounds other than the component (B), surfactants other than the component (B), antioxidants, dyes, emulsion stabilizers, pH adjusters, components other than the component (A) Astringents, preservatives, ultraviolet absorbers, chelating agents, moisturizers, thickeners, refreshing agents, anti-inflammatory agents, fungicides, amino acids, vitamins, various plant extracts and the like.

  Examples of higher fatty acids include stearic acid, linoleic acid, lauric acid, myristic acid, palmitic acid, hebenic acid, lanolinic acid, oleic acid, undecylenic acid, and isostearic acid. These may be used alone or in combination of two or more.

  Examples of esters include decyl oleate, butyl stearate, myristyl myristate, hexyl laurate, isopropyl palmitate, isopropyl myristate, octyldodecyl myristate, hexyl decyl dimethyloctanoate, diethyl phthalate, glyceryl monostearate, Examples include glyceryl trimyristate and cetyl lactate. These may be used alone or in combination of two or more.

  As the surfactant, a nonionic surfactant, a cationic surfactant, or the like can be used, and among them, a surfactant that does not cause skin diseases is preferable. For example, soybean lecithin, egg yolk lecithin, saponin, oligoglycoside, phospholipid biosurfactant, acyl peptide biosurfactant, polyoxyethylene polyoxypropylene glycol, polyoxyethylene polyoxypropylene cetyl ether, polyoxyethylene polyoxypropylene Butyl ether, polyoxyethylene coconut oil fatty acid monoethanolamide, polyoxyethylene lauryl ether, polyoxyethylene lanolin, polyoxyethylene lanolin alcohol, polyoxypropylene butyl ether, sorbitan monooleate, polyethylene glycol monooleate, polyoxymonooleate Ethylene sorbitan, polyethylene glycol monostearate, polyoxyethylene monostearate Serine, polyoxyethylene sorbitan monostearate, sorbitan monopalmitate, polyoxyethylene sorbitan monopalmitate, sorbitan monolaurate, polyethylene glycol monolaurate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monolaurate, coconut oil fatty acid diethanolami And surfactants such as These may be used alone or in combination of two or more.

  Examples of astringents include zinc sulfate, citric acid, tartaric acid, lactic acid, and tannic acid. These may be used alone or in combination of two or more.

  Examples of humectants include glycerin, 1,3-butylene glycol, propylene glycol, 3-methyl-1,3-butanediol, 1,3-propanediol, 2-methyl-1,3-propanediol, pentaerythritol, Xylene glycol, diglycerin, polyglycerin, diethylene glycol, polyethylene glycol, dipropylene glycol, polypropylene glycol, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, sorbitol, xylitol, erythritol, mannitol, maltitol, glucose, fructose, galactose, mannose , Threose, xylose, arabinose, maltose, trehalose, lactose, raffinose, α-, β-, γ-cyclodext , Pectin, arabinogalactan, dextrin, dextran, glycogen, ethyl glucoside, hyaluronic acid, sodium hyaluronate, urea, trimethylglycine, arginine, lysine, serine, glycine, alanine, phenylalanine, tyrosine, β-alanine, threonine, glutamic acid , Glutamine, asparagine, aspartic acid, cysteine, cystine, methionine, leucine, isoleucine, valine, tryptophan, histidine, taurine, hydrolyzed collagen and the like. These may be used alone or in combination of two or more.

  High molecular compounds and thickeners include guar gum, locust bean gum, queens seed, galactan, gum arabic, tara gum, pectin, xanthan gum, pullulan, gellan gum, chitin, chitosan, agar, casein, collagen, gelatin, ethyl cellulose, hydroxy Ethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, methylhydroxypropylcellulose, soluble starch, methylhydroxypropyl starch, propylene glycol alginate, polyvinyl alcohol (PVA), polyoxyethylene / polyoxypropylene copolymer, (dimethicone / vinyl dimethicone ) Cross polymer, cationized cellulose and the like. These may be used alone or in combination of two or more.

  Among these, hydroxypropylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose, and polyvinyl alcohol are particularly preferable, and 0.05 to 5% by mass, particularly 0.1 to 3% by mass is preferably used in the composition.

  There is no restriction | limiting in particular as a refreshing agent, According to the objective, it can select suitably, For example, 1-menthol, 1-menthyl glyceryl ether, 1-menthyl lactate etc. are mentioned. These may be used alone or in combination of two or more.

  The bactericidal agent is not particularly limited and may be appropriately selected depending on the purpose.For example, triclosan, isopropylmethylphenol, benzalkonium chloride, benzethonium chloride, trichlorocarbanilide, chlorhexidine hydrochloride, piroctone olamine, Clara extract etc. are mentioned. These may be used alone or in combination of two or more.

  The form of the antiperspirant composition of the present invention is not particularly limited, and can be applied to cosmetics, pharmaceuticals, quasi drugs, etc., and can be used as a body antiperspirant composition such as heels. . Examples of the dosage form of the antiperspirant composition of the present invention include various types such as solid, semi-solid, gel, liquid, and cream. Specifically, roll-on, gel, lotion, mist, stick, cream, sheet and the like are preferable. In particular, roll-on, gel, lotion, and mist are preferable from the viewpoint of sustaining the antiperspirant effect.

  The composition of the present invention is effective for expression when applied to the skin in a state of being dissolved in moisture, and as a liquid type gel, roll-on, lotion, mist, etc., particularly gel type and roll-on type A lotion type preparation can be suitably used because it can be applied with high adhesion and a high effect can be exhibited. When the antiperspirant composition of the present invention is a roll-on type, an antiperspirant product comprising an antiperspirant composition and a roll-on container having an application ball filled with the composition is preferable. The roll-on type preparation is contained in a known roll-on container, and a part of the container is exposed to the container, and the antiperspirant composition is attached to a ball that is rotatably held by a holder. Such a ball can be applied to the skin. In the present invention, it is particularly preferable to use a gel type in which an antiperspirant composition is filled in a bottle container and applied as it is using the container, or a gel type or lotion type in which the antiperspirant composition is applied using a fingertip or hand.

  The method for producing the antiperspirant composition of the present invention is not particularly limited, can be appropriately selected according to the purpose, and can be prepared based on the conventional method of the dosage form. In the present invention, each component can be prepared by dissolving it in ethanol, water or the like. Specifically, the components (A) and (B) and optional components can be prepared from (C) ethanol or water (antiperspirant composition). It can be obtained by mixing with the balance so that the whole product becomes 100% by mass.

  EXAMPLES Hereinafter, although an Example and a comparative example are shown and this invention is demonstrated concretely, this invention is not restrict | limited to the following Example. In addition, in the following example, the amount of each component indicates a blended amount in terms of pure content.

[Examples 1-30, Comparative Examples 1-7]
Antiperspirant compositions having the compositions shown in the following table were prepared, filled into containers having the following specifications, and subjected to the following evaluations. The results are also shown in the table.

[Preparation method]
Ethanol and water were mixed, the component (B) was added and dissolved uniformly, and then the component (A) was added. Thereafter, other components are added, and uniformly dissolved and mixed to obtain an antiperspirant composition (Examples 1 to 26: roll-on, Examples 27 and 28: Gel, Example 29: Mist, Example 30: Lotion). Obtained.

The container used is shown below.
(I) Antiperspirant roll-on 40 mL of a sample was filled in a container.
<Bottle> Yoshino Kogyo Co., Ltd. Material: HDPE Natural Full fill capacity approx. 56mL Body diameter approx. Φ33mm Height approx. 87mm
<Ring> Yoshino Kogyo Co., Ltd. Material: LLDPE Natural Outer diameter about 26mm Height about 18mm
<Ball> Yoshino Kogyo Co., Ltd. Material: PP White Diameter 20mm
(Ii) Antiperspirant gel (bottle container)
20 mL of the sample was filled in a bottle container (TOM-30, with an inner stopper (TO cap nozzle B), manufactured by Takemoto Container Co., Ltd.).
(Iii) Antiperspirant mist (trigger container)
Trigger type spray container (average diameter of spray hole: 0.45mm, trigger: Z-305, manufactured by Mitani Valve Co., Ltd., polyethylene container: PH-100, manufactured by Kamimura Chemical Co., Ltd.) with 100 mL of sample did.
(Iv) Antiperspirant lotion (bottle container)
A bottle container (TOMIII-50, with an inner stopper (TO cap nozzle A), manufactured by Takemoto Container Co., Ltd.) was filled with 40 mL of the sample.

[Appearance stability]
<Evaluation method>
(1) Formulation suitability: Immediately after preparation, the composition was placed in a transparent glass bottle, and the appearance was visually evaluated according to the following evaluation criteria.
(2) Stability over time: About 40 mL of the composition was filled in a transparent glass bottle, and after storage for 2 months in an environment of 40 ° C. and 75% RH, the appearance was visually evaluated according to the following evaluation criteria.

<Evaluation criteria>
◎: Transparent ○: Almost transparent △: Slightly turbid or slightly turbid ×: There is white turbidity and / or precipitation

[Antiperspirant effect]
<Evaluation method>
About 0.1 g of each sample was applied to the inner part of the human forearm (length x width: 3 cm x 3 cm). After the sample was dried, light exercise was performed for 15 minutes in an environment of 35 ° C. and 70% RH. Then, using a sweat meter (SKN-2000, manufactured by Nishizawa Denki Keiki Seisakusho Co., Ltd.), the sample application part and the non-application part (the human forearm inner part (vertical x horizontal: 3 cm x 3 cm)) are measured for the amount of sweat. The antiperspirant rate was calculated | required using the following formula.

<Evaluation criteria>
◎◎: Antiperspirant rate 81-100%
◎: Antiperspirant rate 61-80%
○: Antiperspirant rate 41-60%
Δ: Antiperspirant rate 21-40%
X: Antiperspirant rate 0-20%

[Persistence of antiperspirant effect]
<Evaluation method>
The durability of the antiperspirant effect was evaluated for 20 women in their 20s and 30s who used antiperspirants. In the morning, 0.3 g of each sample was applied under the armpit and dried. After 8 hours, after resting under high temperature conditions (35 ° C., 40% RH environment) for 30 minutes and forced sweating, the antiperspirant effect was evaluated.

<Evaluation criteria>
Number of people who answered that there was an antiperspirant effect ◎: 16-20 people ○: 11-15 people △: 6-10 people ×: 0-5 people

[No stickiness during drying after application]
<Evaluation method>
Twenty women in their 20s and 30s who use antiperspirants were evaluated for the lack of stickiness during drying after application. Each sample was coated with 0.3 g under the armpit and evaluated for stickiness in the drying process when it was left to dry for 3 minutes at 27 ° C. and 70% RH.
<Evaluation criteria>
Number of people who answered that there was no stickiness ◎: 16-20 people ○: 11-15 people △: 6-10 people ×: 0-5 people

[No sweat]
<Evaluation method>
For 20 women in their 20s and 30s who are using antiperspirants, 0.3 g of each sample was applied to one armpit and dried. After 1 hour, rest for 30 minutes under high temperature conditions (35 ° C., 40% RH environment), forced sweat, and then apply no sweat on the heel of the T-shirt (100% cotton, Gunze Co., Ltd.) The subject himself / herself performed a visual evaluation on the buttock sweat of the T-shirt he was wearing, with the buttock (the other armpit) as a control.
<Criteria>
Number of people determined not to sweat ◎: 16-20 people ○: 11-15 people △: 6-10 people ×: 0-5 people

※表７のエタノールは、エキス由来のエタノールを合算した値を示す。

* Ethanol in Table 7 represents the sum of ethanol derived from extracts.

The raw materials used in the examples are shown in the following table.

Claims (7)

(A) containing an antiperspirant component, (B) a surfactant, and (C) ethanol,
(B) the surfactant is (B-1) an anionic surfactant having a phosphate group, a carboxyl group or a sulfate group, and (B-2) an amphoteric surfactant.
An antiperspirant composition, wherein the mass ratio of the total amount of the component (A) and the component (B) represented by (B) / (A) is 0.02 to 10.   The component (B-1) is selected from polyoxyethylene polyoxypropylene alkyl ether phosphoric acid and its salt and polyoxyethylene alkyl ether phosphoric acid and its salt, and the component (B-2) is a betaine-type amphoteric surface activity. The antiperspirant composition according to claim 1, which is an agent.   3. The antiperspirant composition according to claim 1 or 2, wherein the content mass ratio represented by (B) / (A) is 0.05 to 4.   The content mass ratio of the component (B-1) represented by (B-2) / (B-1) and the component (B-2) is 0.2 to 5, or any one of claims 1 to 3. An antiperspirant composition as described.   (A) The compounding quantity of a component is 1-25 mass%, (B) The total compounding quantity of a component is 0.2-15 mass%, Antiperspirant composition of any one of Claims 1-4 object.   (C) The compounding quantity of ethanol is 40 mass% or more, The antiperspirant composition of any one of Claims 1-5.   (A) A component is chlorohydroxy aluminum, The antiperspirant composition of any one of Claims 1-6.