Shaving aid that can be dispensed from a pump foamer

Abstract

A shaving aid that can be dispensed in the form of a thick and creamy foam from a packaging device by means of a foam pump (pump foamer). The foam of the shaving aid prepares for shaving and cleans the skin.

Description

[0001] Beiersdorf AG

[0002] Shaving aid, releasable from a pump foamer

[0003] The present invention relates to a shaving aid that can be dispensed as foam from a packaging device with a foam pump (pump foamer). This foam is creamy and serves to gently and thoroughly prepare the hair, especially facial beard hair, for shaving. The term "shaving" is narrowly associated with the shaving of a man's beard. In this process, the beard hair is cut as close to the surface of the facial skin as possible.

[0004] Whether and where shaving occurs is also subject to fashion trends and cultural idiosyncrasies. If it's fashionable or desired, the beard hair, or just a portion of it, is removed. It may also be desirable to remove hair from other parts of the body. This aspect is becoming increasingly important for young girls (teens) and (young) women. The desire to remove hair on the legs and / or underarms, for example, is widespread.

[0005] Hair removal, or shaving, can be performed either dry or wet. With wet shaving, the hair is softened before being cut. To do this, it needs to absorb water. However, this water absorption can only occur once the sebum layer has been removed from the hair. To achieve this, shaving aids are used. In addition, shaving aids have a lubricating effect, which allows the razor blade to glide smoothly, ensuring that there is little or no skin irritation during shaving.

[0006] There are various forms of shaving aids for wet shaving, ranging from shaving soaps to shaving creams, shaving foams and shaving gels.

[0007] The classic shaving soaps that existed only in the past contain a mixture of sodium and potassium soaps, with potassium soaps predominating. The main component of these soaps is stearate.

[0008] Shaving creams, shaving foams, and shaving gels differ from traditional shaving soaps in their higher water content and higher potassium soap content. A glance at cosmetic textbooks shows that the saponifying agents sodium hydroxide and potassium hydroxide can be used to produce shaving aids; over time, triethanolamine has also been used as a saponifying agent. With the use of triethanolamine for this purpose, the use of NaOH and KOH faded somewhat into the background. This is also evident in the prior art, for example, in documents EP 1649848 A1 and EP 2822529 B1.

[0009] Triethanolamine is often used as a saponifying agent in shaving gels and foams. Shaving foams and gels are offered in aerosol containers. Aerosol containers are characterized by the fact that, in addition to the preparation—in this case, the shaving aid—they contain a propellant. This propellant releases the product as a foam or post-foaming preparation.

[0010] Shaving foams and shaving gels are the most popular products for pre-shave preparation. The resulting thick, creamy foam is applied directly to the (beard) hair and skin, where it takes effect. Shaving gels, such as those released from tubes, must first be foamed up and don't produce as thick a foam as those released from aerosol cans.

[0011] The objective of the present invention was therefore to provide a shaving aid that can be released as a foam from a packaging material. Pressurized propellant gases should not be used to release the foam, thus avoiding release from an aerosol can. Nevertheless, the released foam should be thick and creamy, similar to a foam released from, for example, aerosol cans.

[0012] In addition, the shaving aid should be storage-stable in order to provide consumers with a stable, unaffected product even after one or more intermediate storage periods at varying temperatures and transport processes.

[0013] Surprisingly, the above objects were achieved by a thin-liquid shaving aid containing at least one fatty acid, • at least one neutralizing agent selected from the neutralizing agents dimethylglucamine and / or triethanolamine,

[0014] • at least one humectant selected from the group of polyols and

[0015] • at least one surfactant, wherein the shaving aid can be released from a packaging device using a foam pump (pumpfoamer) and wherein thin liquid means that the viscosity is in the range from 50 to 400 mPa-s, measured using the viscometer R 123 from proRheo (spindle 1, 25°C, 62.5 rpm), dissolved.

[0016] According to the invention, the viscosity of the shaving aid is advantageously from 50 to 150 mPa-s, measured as stated above.

[0017] The shaving aid according to the invention is an aqueous preparation; the water content is in the range of 50 to 90 wt.%, preferably 60 to 80 wt.%, based on the total weight of the shaving aid.

[0018] According to the invention, the shaving aid contains at least one fatty acid, preferably selected from fatty acids having 6 to 22 carbon atoms. Advantageous embodiments include both saturated and unsaturated fatty acids. The fatty acids can be fatty acids each with a specific number of carbon atoms or mixtures of fatty acids, which can originate from natural sources, such as coconut oil, palm oil, soybean oil, or beef fat (tallow). More preferably, the fatty acids are selected from the group consisting of lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, and / or oleic acid.

[0019] In one embodiment, which is particularly preferred, two saturated fatty acids are included which differ in their number of carbon atoms by 4, most preferably lauric acid and stearic acid are included.

[0020] In one embodiment, which is also particularly preferred, the at least one fatty acid is a mixture of fatty acids, comprising lauric acid and a mixture containing palmitic acid, stearic acid, myristic acid, arachidic acid, and oleic acid. It is advantageous if the mixture consists only of palmitic acid, stearic acid, myristic acid, arachidic acid, and oleic acid. It is further advantageous if the mixture of fatty acids consists of lauric acid and a mixture consisting of palmitic acid, stearic acid, myristic acid, arachidic acid, and oleic acid.

[0021] It is advantageous according to the invention if the mixture of fatty acids contains 44 to 50 wt.% palmitic acid, 45 to 50 wt.% stearic acid, 2 to 3 wt.% myristic acid, 1 to 2 wt.% arachidic acid, and 0.5 to 1 wt.% oleic acid, based on the total weight of the mixture. Such a mixture can be obtained, for example, from Omya under the trade name Omyacid 48-cosmed grade MB. According to the manufacturer's information, the raw material mentioned contains 48.5 wt.% palmitic acid, 47 wt.% stearic acid, 2.5 wt.% myristic acid, 1.5 wt.% arachidic acid, and 0.5 wt.% oleic acid, based on the total weight of the raw material.

[0022] The shaving aid according to the invention advantageously contains 3 to 25% by weight, preferably 5 to 15% by weight of the at least one fatty acid, based on the total weight of the shaving aid.

[0023] The shaving aid according to the invention contains at least one neutralizing agent selected from the neutralizing agents dimethylglucamine and / or triethanolamine.

[0024] In the shaving gel according to the invention, the at least one neutralizing agent is advantageously present in the shaving aid in the case of triethanolamine at a content of 2 to 20% by weight, preferably 3 to 12% by weight, and in the case of dimethylglucamine at a content of 2 to 30% by weight, preferably 5 to 25% by weight, based on the total weight of the shaving aid.

[0025] If the neutralizing agents dimethylglucamine and triethanolamine are included, the total content of neutralizing agents is 5.0 to 25% by weight, preferably 10 to 20% by weight, based on the total weight of the shaving aid.

[0026] Dimethylglucamine is a sugar amine derived from approximately 75% renewable raw materials. The sugar content is derived from D-glucose, which can be obtained from corn, for example. Dimethylglucamine is readily biodegradable. Furthermore, it is odorless and safe to handle, meaning it is not classified as a hazardous substance. Dimethylglucamine can be purchased from Clariant, for example, under the trade name Neutrotain DMG.

[0027] The shaving aid according to the invention generally does not contain fats and oils that require saponification to release the fatty acids. Nevertheless, the neutralizing agents according to the invention act as saponification agents under appropriate conditions.

[0028] Saponification is the hydrolytic cleavage of esters using alkalis. This produces alcohols (glycerol in the case of triacylglycerols) and the salts of the corresponding fatty acids.

[0029] The desired degree of neutralization is expressed as a percentage. At a degree of neutralization of 100%, all fatty acids are neutralized by the neutralizing agent. At degrees of neutralization above 100%, more neutralizing agent is present than is needed for complete neutralization, so this excess results in more base being present and the pH value rising. At a degree of neutralization below 100%, not all fatty acids can be neutralized.

[0030] In order to be suitable as a shaving aid for wet shaving, the shaving aid must have at least a slightly alkaline pH value, namely a pH value of 7.5 to 12, preferably 8.0 to 10.

[0031] The pH value can be measured using a commercially available pH meter, such as the Knick 766 laboratory pH meter.

[0032] In the case of dimethylglucamine, a degree of neutralization of less than 100%, but at least 75%, may be advantageous in terms of the stability of the preparation. When using triethanolamine, a degree of neutralization greater than 100% may be advantageous (see the experiments described later).

[0033] The shaving aid according to the invention contains at least one surfactant. The at least one surfactant can preferably be selected from the group of alkyl(poly)glucosides, which are derived from glucose and can be described by the following formula:

[0034] where n stands for numbers between 5 and 21 and p for numbers between 1 and 100.

[0035] Particularly preferred surfactants are coco-glucoside, decyl glucoside and lauryl glucoside.

[0036] According to the invention, the at least one alkyl (poly)glucoside is contained in the shaving aid in a content of 1 to 15 wt.%, preferably 1 to 8 wt.%, based on the total weight of the shaving aid.

[0037] The at least one surfactant can also be selected from the group of acylglutamates, more preferably acylglutamates in which the acyl group is derived from fatty acids with 6 to 22 carbon atoms or in which the acyl group is derived from mixtures of fatty acids, which can originate from natural sources, such as coconut oil, palm oil, soybean oil, or beef fat (tallow). The compound sodium cocoylglutamate is particularly preferred. Sodium cocoylglutamate can be obtained, for example, from Clariant under the trade name Hostapon CCG MB.

[0038] The at least one acyl glutamate is contained in the shaving aid according to the invention in an amount of 1 to 15% by weight, preferably 1 to 6% by weight, based on the total weight of the shaving aid.

[0039] In advantageous embodiments, the shaving aid contains at least one alkyl (poly)glucoside and at least one acyl glutamate, particularly advantageously decyl glucoside and sodium cocoyl glutamate.

[0040] The at least one surfactant can also preferably be selected from the group of acyl sarcosinates, which can be described by the following formula: RCON(CH3)CH2COOM, where R is an alkyl or alkenyl radical having 5 to 29 carbon atoms, preferably 7 to 21 carbon atoms, and M is a hydrogen atom or a metal cation. Further preferred is an acyl sarcosinate with an alkyl radical of 11 carbon atoms, i.e., a lauroyl sarcosinate. The lauroyl sarcosinate is even more preferably present as sodium lauroyl sarcosinate, which is available, for example, under the trade name Eversoft S-12 from Sino Lion (USA).

[0041] Due to their chemical structure, acylsarcosinates can be classified as anionic surfactants.

[0042] In the cleaning preparation according to the invention, the acyl sarcosinate is present in a concentration of 1.0 to 15 wt.%, preferably 1.0 to 6.0 wt.%, based on the total weight of the preparation. This information refers to the active content.

[0043] The at least one surfactant can also preferably be selected from the group of amphoteric surfactants, in particular alkylpropyl betaines, which can be represented by the following structure: where R is an alkyl radical having 7 to 21 carbon atoms.

[0044] In a preferred embodiment, the alkylamidopropyl betaine is a cocamidopropyl beta ine.

[0045] Cocamidopropylbetaine can be obtained, for example, from Evonik under the trade name Tegobetain F50 or from Solvay under the

[0046] Trade name Mackam 50ULM.

[0047] The cleaning preparation according to the invention contains at least one amphoteric surfactant, in particular selected from alkylamidopropyl betaines, with a total content of 1.0 to 15% by weight, preferably 1.0 to 6.0% by weight, based on the total weight of the preparation.

[0048] The shaving aid according to the invention contains at least one polyol. A polyol is an organic compound that has more than one hydroxyl group. Polyols are also referred to as polyalcohols or polyhydric alcohols. Polyols can be linear, for example, sorbitol, or cyclic, for example, inositol. Dihydric alcohols can be referred to as diols, and trihydric alcohols as triols. Polyols containing four or more hydroxyl groups are generally referred to as polyols.

[0049] The term "polyol" only indicates the presence of multiple hydroxyl groups; general properties cannot be assigned to the group of polyols. Polyols are usually viscous to solid at room temperature due to the formation of hydrogen bonds between the individual molecules.

[0050] According to the invention, the polyols are advantageously selected from the group consisting of propylene glycol, butylene glycol, hexylene glycol, glycerol, diglycerol, polyethylene glycol and / or sorbitol, in particular glycerol is selected.

[0051] Polyols contain hydroxyl groups that can bind water molecules. Therefore, physiologically safe polyols are known as moisturizing agents in cosmetics.

[0052] According to the invention, the at least one polyol is advantageously present in the shaving aid in a total content of 1.0 to 10% by weight, preferably 2.5 to 7.0% by weight, based on the total weight of the shaving aid.

[0053] The shaving aid according to the invention can be preserved in a manner customary for cosmetic preparations. Preference is given to choosing preservatives that ensure adequate preservation in an alkaline environment. Preservation with phenoxyethanol is particularly preferred.

[0054] If phenoxyethanol is present in the shaving aid, it is present at a concentration of 0.3 to 1.0 wt.%, preferably 0.5 to 0.9 wt.%, based on the total weight of the shaving aid according to the invention. It is advantageous if the shaving aid according to the invention contains at least one complexing agent.

[0055] Complexing agents are well-known excipients that can be incorporated into cosmetic and medicinal products. By complexing interfering metals such as Mn, Fe, Cu, and others (Mg and Ca), they prevent unwanted chemical reactions in cosmetic or dermatological preparations.

[0056] The complexing agent(s) can be selected from the group of common compounds, such as a substance from the group comprising tartaric acid and its anions, citric acid and its anions, and aminopolycarboxylic acids and their anions. A frequently used complexing agent is ethylenediaminetetraacetic acid (EDTA) and its anions. The disadvantage of EDTA is that this compound and its metal complexes are not or only poorly biodegradable in wastewater treatment.

[0057] It is therefore preferable to select a complexing agent that is readily biodegradable. This is the case, for example, with ethylenediamine disuccinic acid and also with the salt trisodium ethylenediamine disuccinate, abbreviated EDDS.

[0058] If the complexing agent ethylenediaminedisuccinic acid and / or the salt trisodium ethylenediaminedisuccinate is contained in the shaving aid, ethylenediaminedisuccinic acid and / or the salt trisodium ethylenediaminedisuccinate is present at a concentration of 0.1 to 1.0% by weight, preferably 0.1 to 0.5% by weight, based on the total weight of the shaving aid according to the invention.

[0059] The shaving aid according to the invention can be produced by any known process suitable for producing such shaving aids. However, it is advantageous according to the invention if the shaving aid according to the invention is produced as follows: - Place water in a suitable container and heat it to 80°C in a water bath while stirring;

[0060] - Addition of the fatty acid(s);

[0061] - when the fatty acids have melted and the mixture of water and fatty acid(s) has a temperature of 80°C, addition of the neutralising agent(s);

[0062] - Stir the mixture of water, fatty acid(s) and neutralising agent(s) for about 30 minutes in a water bath at 80°C;

[0063] - Remove from the water bath and cool while stirring;

[0064] - Addition of surfactant(s) at a maximum of 50°C;

[0065] - Addition of other optional ingredients with the exception of those ingredients that are only added at approximately 25°C;

[0066] - Addition of preservative(s) at approximately 25°C;

[0067] - Addition of perfume oils at about 25°C;

[0068] - Fill the shaving aid into suitable containers.

[0069] The stirring process is carried out using a dissolver stirrer. The dissolver stirrer can be, for example, a propeller stirrer from IKA. The stirrer should have a rotational speed of 50 to 2000 rpm. For the production of a shaving aid according to the invention, a stirrer should advantageously be selected that allows a rotational speed of 50 to 500 rpm.

[0070] To ensure that the shaving aid according to the invention releases a sufficiently thick and creamy foam, a suitable packaging material must be selected. Since an aerosol packaging, which inevitably contains pressurized propellants, is to be avoided, a packaging material with a foam pump (pump foamer) was selected.

[0071] A suitable pump foamer is shown in Figure 1. The numbers in the figure have the following meaning:

[0072] In addition to the pump foamer design shown in Figure 1, it is advantageous for the foam pump to have an upper and lower mesh. The mesh preferably has a mesh density of 100 to 200 mesh per inch.

[0073] Another advantage is a dip tube with a length of 22 to 177 mm.

[0074] A suitable pump foamer is, for example, equipped with a handheld foam pump type F2 from Albea.

[0075] To prove that the above-mentioned tasks were solved, the following tests were carried out.

[0076] In a first step, the influence of surfactants on the stability of the preparations was investigated. For this purpose, a base preparation was prepared, to which various surfactants were then added. The concentration of each surfactant was 4 wt.% (active content). The resulting preparations were stored at 40°C for 14 days (storage test). The preparations were then evaluated for their stability. A preparation is stable if it is homogeneous and unchanged in color and odor after storage. A preparation is unstable if phase separation and / or water separation are observed after storage and / or changes in color and / or odor are observed.

[0077] *After adding the respective surfactant (see table below), the preparation was made up to 100 wt% with water.

[0078] Results of the assessment of the preparations after the above-mentioned storage:

[0079] Based on the results, it is clear that stable preparations could be provided if the at least one surfactant was a non-ionic surfactant, in particular an alkyl(poly)glucoside (in the experiment, for example, decyl glucoside) or an amphoteric surfactant, in particular an amphoteric surfactant with a betaine moiety (in the experiment, for example, cocamidopropyl betaine) or an anionic surfactant in the form of an acyl glutamate (in the experiment, for example, sodium cocoyl glutamate).

[0080] The preparations for which stability had been demonstrated in the above-mentioned storage test were prepared again, but this time the surfactant concentration was only 2 wt.% (active content).

[0081] The preparations were stored at room temperature, 40°C, and 6°C. After 14, 30, and 60 days, stability was assessed according to the same criteria as described above.

[0082] Surprisingly, the preparation containing an acyl sarcosinate (e.g., sodium lauroyl sarcosinate) showed very good stability under all three storage conditions tested. The preparation containing an alkyl (poly)glucoside (e.g., decyl glucoside) also showed very good storage stability. The preparation containing an amphoteric surfactant (e.g., cocamidopropyl betaine) showed not quite as good, but still adequate, stability.

[0083] In a second step, the influence of the neutralizing agent and the degree of neutralization of the respective agent on the stability of the samples was investigated. Three preparations were prepared for this purpose.

[0084] The preparations were stored at room temperature, 40°C, and 6°C. After 14, 30, and 60 days, stability was assessed according to the same criteria as described above.

[0085] The preparation according to Example 8 was still stable after 120 days under the described conditions.

[0086] The results show that for the neutralizing agent dimethylglucamine, a degree of neutralization below 100% results in a storage-stable preparation. For the neutralizing agent triethylethanolamine, a degree of neutralization > 100% is advantageous because the preparation is storage-stable.

[0087] The foam of Examples 6 to 8 was also evaluated. It was found that both the preparations containing the neutralizing agent triethanolamine and the preparations containing the neutralizing agent dimethylglucamine developed a fine-pored foam, with the foam containing the neutralizing agent dimethylglucamine being somewhat finer-pored.

[0088] In a third step, the influence of the polyol, using glycerin as an example, on the development of a thick and creamy foam was investigated. For this purpose, various preparations were prepared containing either no or varying amounts of glycerin.

[0089]

[0090] The preparations were transferred to a suitable packaging. The foam pump of the packaging was activated, and approximately 0.02 mm³ of the foam generated by the foam pump was applied to a slide made specifically for this study (see Figure 2). The sample was examined under an Olympus BX50 transmitted-light microscope in brightfield mode with an Olympus 10x UPlanFI objective, and recorded and documented with a DP 60 camera attached to the microscope (see Figure 3).

[0091] Based on the photos, it is clear that the incorporation of glycerin into the preparations according to the invention has an effect on the foam bubbles, namely in that they become smaller. This indicates an improvement in the creaminess and thickness of the foam. The best results were achieved with 6 and 7% by weight of glycerin in the respective preparations; the released foam is thick and creamy.

[0092] Examples:

[0093] The quantities given are in wt% and reflect the active content of the respective compound, unless otherwise stated.

Claims

A shaving aid containing at least one fatty acid, at least one neutralizing agent selected from the neutralizing agents dimethylglucamine and / or triethanolamine, at least one humectant selected from the group of polyols, and at least one surfactant, wherein the shaving aid can be released from a packaging device using a foam pump (pumping foamer), and wherein the viscosity is in the range from 50 to 400 mPa-s, measured using the R 123 viscometer from proRheo (spindle 1, 25°C, 62.5 rpm). Shaving aid according to claim 1, characterized in that the viscosity is in the range from 50 to 150 mPa-s, measured as stated in claim 1. Shaving aid according to claim 1 and / or 2, characterized in that the water content is in the range from 50 to 90% by weight, preferably 60 to 80% by weight, based on the total weight of the shaving aid.Shaving aid according to at least one of the preceding claims, characterized in that the at least one fatty acid is selected from fatty acids having 6 to 22 carbon atoms. Shaving aid according to at least one of the preceding claims, characterized in that in addition to at least one saturated fatty acid, at least one unsaturated fatty acid is contained. Shaving aid according to at least one of the preceding claims, characterized in that the at least one fatty acid is selected from the group consisting of lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid and / or oleic acid. Shaving aid according to at least one of claims 1 to 4, characterized in that two saturated fatty acids are contained which differ in their... The number of carbon atoms differs by 4, in particular lauric acid and stearic acid. Shaving aid according to at least one of claims 1 to 6, characterized in that a mixture of fatty acids is contained, wherein the mixture contains lauric acid and a mixture containing palmitic acid, stearic acid, myristic acid, arachidic acid and oleic acid, in particular a mixture consisting of palmitic acid, stearic acid, myristic acid, arachidic acid and oleic acid, more particularly the mixture of fatty acids consists of lauric acid and a mixture consisting of palmitic acid, stearic acid, myristic acid, arachidic acid and oleic acid. Shaving aid according to at least one of the preceding claims, characterized in that the at least one fatty acid is present in a total content of 3 to 25% by weight, preferably 5 to 15% by weight, based on the total weight of the shaving aid.Shaving aid according to at least one of the preceding claims, characterized in that triethanolamine is present in a content of 2 to 20 wt. %, preferably 3 to 12 wt. %, or dimethylglucamine in a content of 2 to 30 wt. %, preferably 5 to 25 wt. %, or triethanolamine and dimethylglucamine are present in a total content of 5.0 to 25 wt. %, preferably 10 to 20 wt. %, in each case based on the total weight of the shaving aid. 1 . Shaving aid according to at least one of the preceding claims, characterized in that the pH is in the range from 7.5 to 12, preferably from 8.0 to 10.

2. Shaving aid according to at least one of the preceding claims, characterized in that the at least one surfactant is selected from the group of alkyl(poly)glucosides, preferably from the group consisting of coco-glucoside, decyl glucoside, and / or lauryl glucoside. Shaving aid according to at least one of the preceding claims, characterized in that the at least one alkyl(poly)glucoside is present in a total content of 1 to 15 wt.%, preferably 1 to 8 wt.%, based on the total weight of the shaving aid. Shaving aid according to at least one of the preceding claims, characterized in that the at least one surfactant is selected from the group of acyl glutamates, preferably acyl glutamates in which the acyl group is derived from a fatty acid having 6 to 22 carbon atoms or in which the acyl group is derived from a mixture of fatty acids obtained from coconut oil, palm oil, soybean oil or beef fat (tallow), preferably the acyl glutamate is sodium cocoyl glutamate. Shaving aid according to at least one of the preceding claims, characterized in that the at least one acyl glutamate is present in a total content of 1 to 15 wt.%, preferably 1 to 6 wt.-%, based on the total weight of the shaving aid. Shaving aid according to at least one of the preceding claims, characterized in that at least one alkyl (poly) glucoside and at least one acyl glutamate are contained, preferably decyl glucoside and sodium cocoyl glutamate, particularly preferably with regard to the surfactants only decyl glucoside and sodium cocoyl glutamate. Shaving aid according to at least one of the preceding claims, characterized in that the at least one surfactant is selected from the group of acyl sarcosinates, preferably sodium lauroyl sarcosinate. Shaving aid according to at least one of the preceding claims, characterized in that the at least one acyl sarcosinate is present in a total content of 1.0 to 15 wt.%, preferably 1.0 to 6.0 wt.%, based on the total weight of the shaving aid.Shaving aid according to at least one of the preceding claims, characterized in that the at least one surfactant is selected from the group of amphoteric surfactants. Surfactants, in particular alkylpropyl betaines, are selected, more preferably cocamidopropyl betaine. Shaving aid according to at least one of the preceding claims, characterized in that the at least one amphoteric surfactant is present in a total content of 1.0 to 15 wt. %, preferably 1.0 to 6.0 wt. %, based on the total weight of the shaving aid. Shaving aid according to at least one of the preceding claims, characterized in that the at least one polyol is selected from the group consisting of propylene glycol, butylene glycol, hexylene glycol, glycerin, diglycerin, polyethylene glycol and / or sorbitol, preferably glycerin. Shaving aid according to at least one of the preceding claims, characterized in that the at least one polyol is present in a total content of 1.0 to 10 wt. %, preferably 2.5 to 5.0 wt. %, based on the total weight of the shaving aid.Shaving aid according to at least one of the preceding claims, characterized in that the shaving aid is released from a packaging device with a foam pump (pumpfoamer), wherein an upper and a lower mesh fabric are present in the foam pump, wherein the mesh fabric preferably has 100 to 200 mesh per inch. Use of glycerin, preferably with a content of 5 to 7 wt. %, based on the total weight of the shaving aid, in a shaving aid according to claim 1, for producing a fine-pored, creamy foam upon release of said shaving aid from a packaging device with a foam pump (pumpfoamer).

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