TWI412388B - Aerosol scraper composition - Google Patents

Abstract

The present invention provides an aerosol type shaving agent composition which improves slide performance when shaving and prevents soapy handle when cleaning. The composition is composed of (A) 4 to 21 percent of anionic surface active agent by quality, (B) 0.1 to 5 percent of carrageenan by quality and (C) spray agent.

Description

Aerosol type shaving agent composition

The present invention relates to an aerosol-type shaving agent composition for use in shaving a body hair such as a beard and excess hair with a razor.

When shaving the beard and body hair with a razor, a shaving agent is used. Most of the shaving agents use fatty acid soap as the main base. For example, in addition to the general solid or powdered soap (scratch soap), there are also shaving cream, aerosol type shaving foam, and post-foaming condensation. Paste or the like (Non-Patent Document 1).

These shaving agents are used in the form of a foam. The reason is that drape is less likely to occur on the skin and prevents the razor from damaging the skin excessively.

The shaving soap is mainly used in the business, which is thick and produces a continuous foam. However, since the shaving soap is a solid matter such as a powder, it is necessary to add water to foam when it is used. Moreover, since it has a strong hygroscopic property in the state of a solid shape, it has the problem of being easy to solidify at the time of storage. In addition, the persistence and shape retention of the foam is not sufficient, and it is necessary to supplement the application of the foam during the shaving.

On the other hand, aerosol-type shaving foams and post-foaming gel pastes are especially used by many consumers as shaving agents for male shaving.

The aerosol type shaving foam is physically foamed by vaporization of a propellant.

Further, the aerosol-type post-foaming gel paste is obtained by mixing a high-boiling liquefied gas in a gel matrix of a shaving agent and filling it into a container. When the gel matrix is sprayed from the container onto the skin, the liquefied gas will vaporize and foam.

The conventional shaving agent used in a foam state emphasizes foaming and foam retention, but uses a liquid film of an aqueous active agent solution supplied from a foam to reduce friction between the razor and the skin. Therefore, since the place where the shaving is performed once becomes non-foaming, if the shaving is repeated again, the smoothness is immediately deteriorated.

On the other hand, as a shaving agent which does not use a foaming base agent, there is a non-foaming gel-like shaving agent composition (Patent Document 1 and Patent Document 2).

The gel-like shaving agent composition is applied directly to a portion for shaving the beard and the body hair without foaming, and the user contains a large amount of water, which is adhered to the beard and the body hair and the skin and softened. Smoothing and shaving the beard and body hair.

However, since the composition of the gel-like shaving agent is kept on the skin for the use of the agent, it is a high-viscosity, and for those who use the aerosol-type shaving foam and the post-foaming gel paste which are used for the foam touch, Will feel slippery and sticky and unacceptable.

In recent years, the sense of manners centered on the younger layer has increased, so the chances of shaving the beard and body hair have increased. In this trend, there is a demand for a good foaming shaving agent which can improve the smoothness of the razor at the time of shaving and can be easily completed by anyone.

Non-Patent Document 1: Nanshan Hall, New Cosmetics, 2nd Edition, 392 pages to 396 pages

Patent Document 1: Japanese Patent Laid-Open No. Hei 9-132516, Patent Document 2: Japanese Patent Laid-Open No. Hei 10-87454

SUMMARY OF THE INVENTION An object of the present invention is to provide an aerosol-type shaving agent composition which improves the smoothness of a razor during shaving and has no slipperiness when rinsing after shaving.

The present inventors have found that the above problem can be attained by the formulation of an aerosol-type shaving agent for a specific water-soluble polymer in an anionic surfactant.

That is, the present invention provides an aerosol-type shaving agent composition which is contained in an aerosol liquid solution containing (A) anionic surfactant 4 to 21% by mass and (B) carrageenan 0.1 to 5% by mass. Further containing (C) a propellant.

Since the composition of the aerosol-type shaving agent of the present invention is excellent in razor smoothness, the razor is less likely to pull the skin, and the rinsing after shaving has no slipperiness, so that a good feeling of completion can be easily obtained.

The (A) anionic surfactant used in the present invention is a component formed from a base of a foaming property, and is, for example, selected from the group consisting of a phosphoric acid monoester salt, a fatty acid salt, an N-methylated amine acid salt, and an alkane. At least one of a base sulfate and a polyoxyethylene alkyl ether sulfate. These salts may be contained singly or in combination of two or more kinds.

The monoalkyl phosphate which constitutes the above phosphate salt may, for example, be a linear alkyl phosphate, a branched alkyl phosphate, a glucose-1-phosphate, a polyoxyethylene alkyl ether phosphate or 1- Alkylglycerol-3-phosphate, 2-hydroxyalkyl phosphate, glucose-1-glycerol-3-phosphate, polysaccharide phosphate, and the like.

More specifically, from the viewpoint of foaming property, preferred is monolauryl phosphate, monomyristyl phosphate, cetyl phosphate, mixed alkyl phosphate having an alkyl group having 11, 11 and 15 carbon atoms. The polyoxyethylene alkyl ether phosphate having an alkyl group having 12 to 16 carbon atoms may be used singly or in an appropriate combination.

The fatty acid constituting the above fatty acid salt may, for example, be a linear or branched chain saturated or unsaturated fatty acid having 10 to 22 carbon atoms. Among these, from the viewpoint of foaming property, lauric acid, myristic acid, palmitic acid, stearic acid, and fatty acids derived from natural fats and fats containing such fatty acids are preferred, and these may be separate. Or use as appropriate.

Further, the N-thiolated amino acid constituting the above N-thiolated amino acid salt can be obtained by a method obtained by a Schotten-Baumann reaction of an amino acid and a fatty acid chloride. Examples of the amino acid include glycine, α-alanine, valine, leucine, isoleucine, serine, threonine, lysine, arginine, and aspartame. Acid, glutamic acid, aspartic acid, glutamic acid, cysteine, cystine, methionine, phenylalanine, tyrosine, valine, hydroxyproline, tryptophan , histidine, β-alanine, ε-aminocaproic acid, creatinine, DL-pyroglutamic acid, etc., as an example of a fatty acid, for example, lauric acid, myristic acid, palmitic acid, stearic acid , oleic acid, coconut oil fatty acids, etc.

Examples of the alkylsulfuric acid constituting the above alkyl sulfate include lauryl sulfuric acid, myristyl sulfuric acid, and palmitic sulfuric acid.

Further, examples of the polyoxyethylene alkyl ether sulfuric acid constituting the polyoxyethylene alkyl ether sulfate include polyoxyethylene lauryl ether sulfuric acid, polyoxyethylene myristyl ether sulfuric acid, polyoxyethylene palmityl ether sulfuric acid, and the like. .

In addition, the neutralizing base in the anionic surfactant is not particularly limited, and examples thereof include an inorganic base such as an alkali earth metal hydroxide, an organic base such as an alkanolamine or a basic amino acid. Specific examples thereof include sodium hydroxide, potassium hydroxide, triethanolamine, 2-amino-2-methyl-1-propanol, and L-arginine.

In the aerosol-type shaving agent composition of the present invention, the content of the (A) anionic surfactant is usually from the viewpoint of foaming property, with respect to the composition for shaving agent (aerosol stock solution other than the propellant) The total amount is preferably 4 to 21% by mass, particularly preferably 8% by mass or more, to obtain sufficient foaming; and if it is 21% by mass or less, skin irritation is also small.

The (B) carrageenan used in the present invention is a natural polymer material which is contained in a large amount in red algae.

In general, carrageenan obtained by extracting red algae is classified into three types, κ type, ι type, and λ type, depending on the raw materials and extraction methods. Either one can be used, and the λ type is preferable in that it does not cause an increase in viscosity and imparts smoothness to the razor.

(B) If the content of carrageenan in the shaving agent composition (aerosol stock solution other than the propellant) is too small, the razor smoothness cannot be improved, and if it is too much, a sticky feeling will occur at the time of rinsing.

Thus, the content is preferably from 0.1 to 5% by mass, more preferably from 0.1 to 2.5% by mass, still more preferably from 0.2 to 2.5% by mass, from the viewpoint of action and use. When it is 0.1% by mass or more, the razor smoothness can be ensured, and if it is 5% by mass or less, the sticky feeling at the time of rinsing can be suppressed.

The aerosol-type shaving agent composition of the present invention is a pressure-resistant container, and is prepared by mixing (C) a propellant together with the above-mentioned shaving agent.

As the (C) propellant used in the present invention, liquefied petroleum gas (LPG), liquefied natural gas (LNG), or a compressed gas having low solubility in water can be used. Specific examples of the compressed gas include at least one selected from the group consisting of a nitrogen gas, an oxygen gas, a helium gas, air, and a mixed gas thereof, and a plurality of them may be used in combination. Among them, LPG is preferable in that it can impart a moderate injection pressure. The amount of the (C) propellant to be used is not particularly limited, and is in the obtained aerosol product, and the injection pressure at 35 ° C is, for example, 0.2 to 0.8 MPa, and is usually used as an aerosol type shaving agent composition. The amount of the ratio of 1 to 10% by mass.

The aerosol-type shaving agent composition of the present invention may further contain (D) a nonionic surfactant as needed.

By containing (D) a nonionic surfactant, the foam of the shaving agent can be made finer, and a foam having a strong and pleasant touch can be obtained.

Examples of such a nonionic surfactant include polyoxyalkylene sorbitan fatty acid esters; polyoxyalkylene sorbitan fatty acid esters; polyoxyalkylene glycerol fatty acid esters; polyoxyalkylene oxides; Polybasic fatty acid esters; polyoxyethylene lauryl ether, polyoxyethylene tridecyl ether and other polyoxyalkylene alkyl ethers; polyoxyalkylene alkyl phenyl ethers; polyoxyalkylene hardening 蓖Sesame oil; sucrose fatty acid esters; polyglycerol alkyl ethers; polyglycerol fatty acid esters; fatty acid alkanolamines, alkyl glycosides, etc. Among them, polyoxyalkylene fatty acid esters are preferred, and more specifically, polyethylene glycol monostearate, polyethylene glycol monolaurate, polyethylene glycol distearate are preferred. .

Further, from the viewpoints of the stability of the shaving agent, the foaming property at the time of use, and the finely compliant foam, the content of the (D) nonionic surfactant is preferably the shaving agent of the present invention (jetting) 0.2 to 10% by mass, more preferably 0.5 to 7% by mass, and particularly preferably 1 to 5% by mass in the aerosol stock solution excluding the agent.

Two or more kinds of the above-mentioned nonionic surfactants may be used in combination, and polyethylene glycol monostearate or polyethylene glycol monolaurate may be used in combination. Further, the ratio of the combination of polyethylene glycol monostearate and polyethylene glycol monolaurate is preferably from 3:1 to 1:3.

In the shaving agent of the present invention, as the solvent of the components (A), (B), and (D), purified water, propylene glycol, 1,3-butylene glycol, glycerin, sorbitol, and the like are used. Polyols such as polyethylene glycol. The polyols can be used singly or in a suitable combination.

The composition for shaving of the present invention is prepared by adding the above components to a solvent mainly composed of purified water, stirring and mixing the mixture.

Further, in the composition for shaving of the present invention, an anti-inflammatory agent, a cooling agent, a fragrance, and the like which are formulated in a cosmetic or the like can be usually added, and the blending and the like can provide a refreshing feeling and a fragrance.

Further, when a sterilizing agent is added, the skin can be cleaned by applying a shaving agent before use of the razor, so that the bacteria can be prevented from intruding into the skin.

(Example)

Hereinafter, the present invention will be specifically described by way of examples.

(Examples 1 to 17 and Comparative Examples 1 to 5)

An aerosol type shaving agent stock solution of the formulation shown in Table 1 was produced. After the stock solution was filled in a spray container, the propellant was pressed in to obtain a test piece.

Further, (B) carrageenan and (C) propellant are used as follows. Further, the mass ratio of the aerosol stock solution to the propellant was set to 96:4.

. Λ-carrageenan (MRC POLYSACCHARIDE company, trade name: SOAGEENA LX22K). LPG (made by Oceanic Gas Company, trade name: deodorized and purified LPG, 20 ° C injection pressure 0.44MPa)

(evaluation method)

Using the aerosol-type shaving agent compositions of Examples 1 to 17 and Comparative Examples 1 to 5, 10 adult male judges were shaved, and the razor smoothness and the no-washing smoothness were observed. For the evaluation items of "flushing" and "foamy touch", the sensory evaluation was performed according to the following evaluation criteria.

The results are shown in Table 1.

In addition, the actual shaving is applied to the beard after washing the face, wiping the water with a towel, and applying the shaving agent sprayed by the hand under constant temperature and humidity (20 ° C, 65% RH). Two blades of safety razor are used.

(evaluation benchmark)

(1) "Razor smoothness" level: State A: Evaluation of razor smoothness is good when the number of judges is 9 or more B: Evaluation of razor smoothness is good, the number of judges is 7-8 Time C: Evaluation of razor smoothness is good when the number of judges is 5-6. D: Evaluation of razor smoothness is good when the number of judges is 3~4 E: Evaluation of razor smoothness is When the number of good judges is less than 2

(2) "Slackiness without rinsing (flushing)" Level: State A: When the number of judges who evaluated the slipperiness without rinsing is 9 or more, B: The number of judges who evaluated the slippery feeling without rinsing is 7 to 8 C: When the number of judges who evaluated the slippery feeling without washing was 5 to 6 D: When the number of judges who evaluated the slipperiness without washing was 3 to 4, E: When no flushing was evaluated When the number of judges who are slippery is less than 2

(3) "Foam touch" A: When the number of judges who judged the bubble feels good is 8 or more B: When the number of judges who judged the bubble feel is good is 6 to 7 C: The evaluation of the bubble touch is When the number of good judges is 4 to 5, D: When the number of judges who have a good bubble feel is 3 or less

(industrial availability)

The aerosol-type shaving agent composition of the present invention has good razor smoothness, so that the skin is not rough, and there is no slippery feeling when rinsing after shaving, and the sensation of use is superior.

Therefore, it is extremely useful as a composition for an aerosol type shaving agent.

Claims (3)

An aerosol-type shaving agent composition comprising (A) anionic surfactant 4-21% by mass, (B) carrageenan 0.1-5 mass%, (D) nonionic surfactant 0.2 to 10% by mass and an aqueous aerosol solution further containing (C) a propellant; the above (D) nonionic surfactant is polyethylene glycol monostearate and polyethylene glycol monolaurate The ester is a combination of 3:1 to 1:3 by mass ratio. An aerosol-type shaving agent composition according to claim 1, wherein the (A) anionic surfactant is a self-phosphoric acid monoester salt, a fatty acid salt, an N-methylated amine acid salt, an alkyl sulfate At least one selected from the group consisting of a salt and a polyoxyethylene alkyl ether sulfate. The aerosol-type shaving agent composition according to claim 1 or 2, further comprising a polyol.