Cosmetic product for temporarily shaping keratin-containing fibers, having care effect
Patent Information
- Application Number
- EP2023707336
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-06-15
- Filing Date
- 2023-02-23
- Publication Date
- 2025-04-23
AI Technical Summary
Existing cosmetic products for temporarily reshaping keratin-containing fibers, such as hair, often dry out the hair and cause brittleness, especially in wavy or curly hair, while synthetic polymers provide strong hold but neglect hair care.
A cosmetic agent formulated as a foam containing non-fully synthetic film formers and care agents like shea butter, mango butter, and coconut oil, which provides both holding and caring properties without drying out the hair, using natural or modified natural substances to reduce environmental impact.
The agent achieves a strong, flexible hold while maintaining hair health, offering a combination of styling and care benefits, particularly suitable for textured hair types without making them appear brittle or dry.
Smart Images

Figure IMGF000013_0001
Abstract
Description
[0001] Cosmetic product for the temporary reshaping of keratin-containing fibers with simultaneous
[0002] Care effect
[0003] The present invention relates to a cosmetic agent for temporarily reshaping keratin-containing fibers, comprising at least one non-fully synthetic film former and at least one care agent, as well as the use of the agent for the care and temporary reshaping of keratin-containing fibers and a method for temporarily reshaping keratin-containing fibers using the cosmetic agent according to the invention.
[0004] Cosmetic products that permanently or temporarily shape hair play an important role in cosmetics. Temporary styles that provide good hold without compromising the healthy appearance of the hair, such as its shine, can be achieved with hairsprays, hair waxes, hair gels, hair mousses, blow-dryers, etc.
[0005] The most important property of a product for temporarily shaping keratin-containing fibers is to provide the treated fibers with the strongest and longest possible hold in the resulting shape. If the keratin-containing fibers are human hair, the cosmetic product is also referred to as strong hold or as having a high degree of hold. The degree of hold is essentially determined by the type and quantity of polymers used.
[0006] Numerous cosmetic products are known in the art that provide temporary styling. Such products typically contain synthetic polymers as styling components. However, these products cause the hair to dry out. Especially for wavy or curly hair, the focus is not on cosmetic products alone; rather, a combination of hold and conditioning is desirable.
[0007] The object underlying the present invention is therefore to provide a cosmetic agent suitable for temporarily reshaping keratin fibers while simultaneously providing a conditioning effect, meaning it does not dry out the keratin fibers or make them appear brittle. The styling properties should be tailored to consumer needs, ensuring sufficient hold without making the keratin fiber appear brittle or crunchy.
[0008] At the same time, there is a growing demand for sustainable products in which the substances used are natural or at least modified natural substances. This should reduce the product's carbon footprint. At the same time, the product should, if possible, be used as a foam, as a foam allows for particularly good application, as the foam can be evenly distributed over the keratin fibers and is particularly user-friendly.
[0009] Surprisingly, it has been shown that a combination of certain care products with non-fully synthetic film formers (non-fully synthetic film formers) in a cosmetic product in the form of a foam solves this problem.In a first embodiment, the object underlying the present invention is therefore achieved by a cosmetic agent for the temporary reshaping and care of keratin-containing fibers, in particular human hair, which is applied as a foam, comprising at least one non-fully synthetically produced film former, a cosmetic carrier and at least one care agent, wherein the care agent is selected from the group consisting of shea butter, mango butter, cocoa butter, avocado butter, shea oil, capuacu butter, illipe nut butter, kokum butter, sal butter, murumuro butter, olive butter, aloe butter, almond butter, tucuma butter, ghee (Asian clarified butter), coconut oil and organic nilotica shea (a certain type of shea butter) and mixtures of two, three or more of the above.
[0010] According to the invention, the cosmetic product can thus contain one, two, three, or more care products. The cosmetic product according to the invention preferably contains one, two, or three care products, especially one or two. In particular, the care product is selected from shea butter, mango butter, cocoa butter, avocado butter, shea oil, and mixtures of two or more of the above. Surprisingly, it has been possible to obtain a cosmetic product that provides good hold despite rich care products.
[0011] The cosmetic agent according to the invention preferably contains the care agent in a proportion of 0.1% by weight to 10% by weight, in particular of 0.2% by weight to 8% by weight, preferably of 0.5% by weight to 6% by weight, particularly preferably of 0.7% by weight to 5% by weight, particularly preferably of 1% by weight to 4% by weight, particularly of 1.5% by weight to 3% by weight, in each case based on the total weight of the cosmetic agent.
[0012] Surprisingly, it has been shown that it is possible to provide a cosmetic product for temporary hair reshaping that combines conditioning and hold properties in a way that meets the needs of the consumer. Thus, a cosmetic product can be created that not only provides hold but also simultaneously conditions the hair.
[0013] For the purposes of the present invention, keratin-containing fibers include fur, wool, feathers, and hair, especially human hair. Textured human hair, i.e., curly, coily, kinky, or wavy, is particularly preferred. Especially with highly textured hair, also known as coily and kinky in English-speaking countries, the desire for a high proportion of conditioning ingredients is high, as the hair quickly becomes brittle.
[0014] According to the invention, the cosmetic product further comprises at least one non-fully synthetic film former. A film former is understood to be a polymer that leaves a continuous film on the skin, hair, or nails upon drying. Such film formers can be used in a wide variety of cosmetic products, such as face masks, makeup, hairsprays, hair gels, hair waxes, hair treatments, shampoos, or nail polishes. Preferred polymers are those that possess sufficient solubility in water, alcohol, or water / alcohol mixtures. This allows the preparation of corresponding solutions that can be easily applied or further processed.
[0015] In the context of the present invention, a film former is understood to mean, in particular, those polymers which, when used in 0.05 to 20% by weight (based on the total weight of the cosmetic product) aqueous, alcoholic or aqueous-alcoholic solution, are capable of depositing on the hair in the form of a transparent polymer film which enables hair fibers to temporarily bond together.
[0016] Film formers are known in the art. These are also differentiated according to their origin. Fully synthetic film formers are typically used in cosmetic products. For the purposes of the present invention, a film former is considered fully synthetic if all of the monomers constituting the film former are conventionally produced synthetically. Even if a monomer is obtained, for example, from biogas or other renewable sources, the film former is considered fully synthetic.
[0017] In contrast, non-fully synthetic film formers are those based on a naturally occurring substance. This naturally occurring substance (natural substance) can be chemically modified according to the invention. These natural substance-based film formers are referred to herein as non-fully synthetic film formers.
[0018] The cosmetic product according to the invention contains at least one non-fully synthetically produced film-forming agent. It may further contain at least one fully synthetically produced film-forming agent. Thus, according to the invention, the cosmetic product comprises one, two, three, or more different non-fully synthetically produced film-forming agents. In addition, it may comprise one, two, three, or more non-fully synthetically produced film-forming agents.
[0019] In a further preferred embodiment, the cosmetic product according to the invention is substantially free of fully synthetic film formers. It has surprisingly been found that a cosmetic product which is substantially free of fully synthetic film formers does not necessarily result in a loss of styling properties. For the purposes of the present invention, the cosmetic product can comprise up to 5% by weight, in particular up to 3% by weight, preferably up to 2% by weight, more preferably 1% by weight or less, based on the total weight of the product, of fully synthetic polymers which are film formers in the conventional sense, in order to be “substantially” free of fully synthetic film formers. Preferably, the cosmetic product can also be free of fully synthetic film formers, ie the cosmetic product comprises 0% by weight of fully synthetic film formers.
[0020] Non-synthetically produced film formers within the meaning of the present invention are polymers or copolymers based on a natural substance. These natural substances can also be chemically modified according to the invention.
[0021] Suitable natural substances include saccharides (mono-, di- and polysaccharides) or biopolymers (polymers that are synthesized in the cell of a living being).
[0022] Examples of saccharides include glucose, fructose, sucrose, lactose, maltose, cellulose, or starch. Plant gums (polysaccharides of plant origin), such as guar, agar, carrageenan, Acacia Senegal gum, and others, are also suitable in this case. A suitable biopolymer is chitosan. These compounds can be used, particularly chemically modified, as film formers, alone or in mixtures in the cosmetic product according to the invention.
[0023] Suitable cellulose derivatives are in particular hydroxypropylcellulose with a molecular weight of 30,000 to 50,000 g / mol, cationic cellulose derivatives, in particular those resulting from a reaction of hydroxyethylcellulose with a dimethyldiallylammonium reactant (in particular dimethyladiallylammonium chloride).
[0024] Polysaccharides derived from starch, for example, the polysaccharide with the INCI name pullulan, are also suitable. Other suitable substances include potato starch or a starch modified with nonionic propylene oxide, as described in DE 10 2017 222 854 A1 or DE 10 2018 218 270 A1.
[0025] Starch is a reserve carbohydrate that is stored by many plants in the form of starch grains (granules) that are usually 1 to 200 μm in size in various parts of the plant, e.g. in tubers or roots, cereal seeds, fruits and pith. A usable non-ionic, propylene oxide-modified starch can be derived from starch from potatoes, corn, rice, peas, acorns, chestnuts, barley, wheat, bananas, sago, millet, sorghum, oats, barley, rye, beans, sweet potatoes, arrowroot or cassava. Particularly pronounced beneficial effects are achieved by non-ionic, propylene oxide-modified tapioca starch or non-ionic, propylene oxide-modified potato starch or by mixtures of both of the aforementioned starches. Very particularly preferably, the cosmetic product contains at least one non-ionic, propylene oxide-modified potato starch.A non-ionic, propylene oxide-modified starch is thus understood to be a reaction product of a starch and propylene oxide. Pea starch or a modified pea starch can also be used with preference, with the modified pea starch preferably being a non-ionic, propylene oxide-modified pea starch.
[0026] Furthermore, guar hydroxypropyltrimonium chloride can be used as a non-fully synthetic film former according to the invention if it has film-forming properties.
[0027] Chitosans are biopolymers and belong to the group of hydrocolloids. Chemically, they are partially deacetylated chitins of varying molecular weights. Chitosans are produced from chitin, preferably from the shell fragments of crustaceans, which are available in large quantities as inexpensive raw materials. The chitin is usually first deprotonated by adding bases, demineralized by adding mineral acids, and finally deacetylated by adding strong bases. Alternatively, deacetylation can also occur enzymatically. Molecular weights can range across a wide spectrum. Preferably, types are used which have an average molecular weight (weight average) of 800,000 to 1,200,000 Dalton, a Brookfield viscosity (1% by weight in glycolic acid) of less than 5,000 mPas, a degree of deacetylation in the range of 80 to 88% and an ash content of less than 0.3% by weight.-%.
[0028] In addition to chitosans, cationically derivatized chitosans (such as quaternization products) or alkoxylated chitosans can also be used.
[0029] Suitable chitosans are freely available commercially under the trade names Hydagen® CMF (1 wt.% active substance in aqueous solution with 0.4 wt.% glycolic acid, molecular weight 500,000 to 5,000,000 g / mol; Cognis), Hydamer®HCMF (chitosan 80% deacetylated, molecular weight 50,000 to 1,000,000 g / mol, Chitinor, formerly Cognis), Kytamer® PC (approximately 80 wt.% active substance of chitosan pyrrolidone carboxylate (INCI name: Chitosan PCA), Amerchol), Chitolam® NB / 101 and Chitosan 90 / 100 / A1 (chitosan approximately 90% deacetylated; BioLog Heppe).
[0030] Most preferably, the cosmetic products can contain neutralization products of chitosan with at least one acid as chitosan derivative(s). For the purposes of the present invention, the neutralization product represents any product formed by reacting chitosan with an organic carboxylic acid, i.e., the neutralization product can be prepared separately before the production of the cosmetic product, or the neutralization product can be formed in situ during the production of the cosmetic product.
[0031] According to a preferred embodiment of the present invention, the organic carboxylic acid is selected from formic acid, acetic acid, citric acid, lactic acid, pyrrolidonecarboxylic acid, tartaric acid, glycolic acid, nicotinic acid, hydroxyisobutyric acid, hydroxyisovaleric acid, or mixtures of these acids, especially lactic acid. This neutralization product can be prepared, for example, in an aqueous medium by adding chitosan and the corresponding organic carboxylic acid or a portion of the corresponding organic carboxylic acid.
[0032] According to a preferred embodiment of the present invention, the weight ratio of chitosan to the organic acid is between 2:1 and 1:10, preferably between 1:1 and 1:6, even more preferably between 1:2 and 1:4. In this more preferred embodiment, the total weight of the chitosan used is related to the total weight of the organic acid in the cosmetic product. A particularly preferred organic acid is lactic acid. Lactic acid is a solubility enhancer. Used in the above weight ratios, it produces particularly advantageous styling effects and gives the hair special hairstyle hold. Excellent styling properties can be achieved, particularly in so-called curl retention tests, which are carried out at high humidity.
[0033] Examples of film formers that are typically produced fully synthetically include, in particular, acrylate-based or methacrylate-based copolymers, especially those that comprise acrylic acid, methacrylic acid, alkyl (meth)acrylate, hydroxyalkyl (meth)acrylate, and / or maleic anhydride as monomer components, and copolymers that comprise N-vinylpyrrolidone, alkyl vinyl ethers with alkyl groups comprising 1 to 18 carbon atoms, and / or vinyl esters of carboxylic acids having 2 to 18 carbon atoms, in particular polyvinylpyrrolidone / vinyl acetate copolymers; and also polyvinylpyrrolidone; where copolymers are understood to mean polymers that consist of two or more different monomers, and where all alkyl groups of the monomers mentioned can also be branched and / or functionally substituted alkyl groups. Corresponding film formers are typically regarded as fully synthetic film formers.Corresponding fully synthetic film formers are well known to the person skilled in the art.
[0034] The agent according to the invention contains film-forming polymers (film formers), preferably in a proportion of 0.05 wt.% to 30 wt.%, in particular from 0.10 wt.% to 20 wt.%, preferably from 0.15 wt.% to 15 wt.%, based on the total weight of the cosmetic agent. In a preferred embodiment, the cosmetic agent is substantially free of fully synthetic film-forming polymers, so that in this embodiment the cosmetic agent contains non-fully synthetic film-forming polymers in a proportion of 0.05 wt.% to 30 wt.%, in particular from 0.15 wt.% to 20 wt.%, preferably from 0.2 wt.% to 15 wt.%, based on the total weight of the cosmetic agent. The amounts stated refer in each case to all polymers present if mixtures of several film-forming polymers (film formers) are present.According to a preferred embodiment of the present invention, the cosmetic product contains small amounts of a conditioning polymer, which is particularly preferably a cationic homopolymer. Cationic polymers are polymers that have a group in the main and / or side chain that can be "temporarily" or "permanently" cationic. According to the invention, "permanently" cationic polymers are those polymers that have a cationic group regardless of the pH of the product. These are generally polymers that contain a quaternary nitrogen atom, for example in the form of an ammonium group. Preferred cationic groups are quaternary ammonium groups.
[0035] In particular, those homopolymers in which the quaternary ammonium group is bonded via a C1-4 alkylene group to a homopolymer main chain composed of acrylamide, wherein the three alkyl groups in addition to the C1-4 alkylene group of the ammonium group are independently selected from C1-10 alkyl groups, have proven to be particularly suitable.
[0036] All possible physiologically compatible anions, such as chloride, bromide, acetate, sulfate and / or phosphate, are used to compensate for the positive polymer charge.
[0037] As a care ingredient, the product can, for example, also contain at least one protein hydrolysate and / or one of its derivatives. Protein hydrolysates are product mixtures obtained by acidic, alkaline, or enzymatically catalyzed degradation of proteins. The term protein hydrolysates also includes total hydrolysates, individual amino acids and their derivatives, and mixtures of different amino acids. The molecular weight of the usable protein hydrolysates ranges from 75, the molecular weight of glycine, to 200,000. Preferably, the molecular weight is between 75 and 50,000, and most preferably between 75 and 20,000 Daltons.
[0038] Also suitable care products according to the invention are in particular quaternary ammonium derivatives, in particular BTAC or CTAC.
[0039] The product according to the invention may further contain at least one vitamin, one provitamin, one vitamin precursor, and / or one of their derivatives as a care ingredient. Preferred vitamins, provitamins, and vitamin precursors are those typically assigned to groups A, B, C, E, F, and H. A particularly preferred care ingredient is D-panthenol.
[0040] The advantage of these care ingredients is that they largely originate from natural sources and thus represent energy- and resource-saving raw materials. According to the preferred embodiment, the cosmetic product can contain, based on the total weight, 0.0005 to 3 wt. %, preferably 0.001 to 2 wt. %, and particularly preferably 0.05 to 1 wt. % of the sum of care oils and care ingredient. To adjust the pH, the cosmetic product can further contain neutralizers or pH adjusters. According to a further preferred embodiment, the cosmetic product can additionally contain an emulsifier. Emulsifiers cause the formation of water- or oil-stable adsorption layers at the phase interface, which protect the dispersed droplets against coalescence and thus stabilize the emulsion. Emulsifiers are therefore composed, like surfactants, of a hydrophobic and a hydrophilic molecular part.Hydrophilic emulsifiers preferentially form oil-in-water (O / W) emulsions, while hydrophobic emulsifiers preferentially form water-in-oil (W / O) emulsions. Particularly preferred emulsifiers are alkoxylated fatty alcohols. These particularly preferred emulsifiers offer the advantage of being obtained from natural, non-synthetic raw material sources.
[0041] Accordingly, in a preferred embodiment, the cosmetic agent further contains at least one alkoxylated fatty alcohol.
[0042] An "alkoxylated fatty alcohol" is any fatty alcohol with a carbon chain of C5 or more that further comprises at least one alkoxy group. The fatty alcohol can be selected, for example, from C9-C11 fatty alcohols, C12-C13 fatty alcohols, C12-C15 fatty alcohols, C12-C16 fatty alcohols, C14-C15 fatty alcohols, arachidyl alcohol, behenyl alcohol, caprylic alcohol, cetearyl alcohol, cetyl alcohol, coconut alcohol, decyl alcohol, (hydrogenated) tallow alcohol, lauryl alcohol, myristyl alcohol, oleyl alcohol, palm alcohol, palm kernel alcohol, stearyl alcohol, and tridecyl alcohol.
[0043] The alkoxy group can, in particular, comprise ethoxy and / or propoxy and / or butoxy groups. The alkoxylated fatty alcohol is particularly preferably an ethoxylated fatty alcohol.
[0044] The at least one alkoxy group of the “alkoxylated fatty alcohol” can, for example, be derived from an alkoxylation reaction with alkylene oxide, in particular ethylene oxide and / or propylene oxide.
[0045] Es ist bevorzugt, dass der mindestens eine alkoxylierte Fettalkohol ausgewählt ist aus der Gruppe bestehend aus Ceteareth-2, Ceteareth-3, Ceteareth-4, Ceteareth-5, Ceteareth-6, Ceteareth-7, Ceteareth-8, Ceteareth-9, Ceteareth-10, Ceteareth-11 , Ceteareth-12, Ceteareth-13, Ceteareth-14, Ceteareth-15, Ceteareth-16, Ceteareth-17, Ceteareth-18, Ceteareth-20, Ceteareth-22, Ceteareth-23, Ceteareth-24, Ceteareth-25, Ceteareth-27, Ceteareth-28, Ceteareth-29, Ceteareth-30, Ceteareth-33, Ceteareth-34, Ceteareth-40, Ceteareth-50, Ceteareth-55, Ceteareth-60, Ceteareth-80, Ceteareth-100, Laureth-1 , Laureth-2, laureth-3, Laureth-4, Laureth-5, Laureth-6, Laureth-7, Laureth-8, Laureth-9, Laureth-10, Laureth-1 1 , Laureth-12, Laureth-13, Laureth-14, Laureth-15, Laureth-16, Laureth-20, Laureth-23, Laureth-25, Laureth-30, Laureth-40, Deceth-3, Deceth-5, Oleth-5, öleth-30, Steareth-2, Steareth-4, Steareth-6, Steareth-7, Steareth-10, Steareth-11 , Steareth-13, Steareth-14, Steareth-15, Steareth-20,Steareth-21, Steareth-25, Steareth-27, Steareth-30, Steareth-40, Steareth-50, Steareth-100, and mixtures thereof. For example, the term Ceteareth-2 stands for a C16-C18 fatty alcohol with an average of two ethylene oxide units per molecule.
[0046] In a very particularly preferred embodiment of the cosmetic agent, the at least one alkoxylated fatty alcohol comprises cetearyl alcohol and / or ceteareth 20, in particular cetearyl alcohol and ceteareth 20.
[0047] The amount of the at least one alkoxylated fatty alcohol is preferably 1 to 15 wt.% and more preferably 2 to 8 wt.%, in each case based on the total amount of cosmetic agent.
[0048] According to the invention, the cosmetic products can additionally contain at least one surfactant. Generally, cosmetic products can contain nonionic, anionic, cationic, and ampholytic surfactants. The group of ampholytic or amphoteric surfactants includes zwitterionic surfactants and ampholytes. It has proven particularly advantageous for the cosmetic products to additionally contain at least one cationic surfactant to enhance their hair-care properties.
[0049] Cationic surfactants of the quaternary ammonium compound, esterquat, and amidoamine type are preferably used. Preferred quaternary ammonium compounds are ammonium halides, especially chlorides and bromides, such as alkyltrimethylammonium chlorides, dialkyldimethylammonium chlorides, and trialkylmethylammonium chlorides. The long alkyl chains of these surfactants preferably have 10 to 30 carbon atoms, such as in cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, distearyldimethylammonium chloride, lauryldimethylammonium chloride, lauryldimethylbenzylammonium chloride, and tricetylmethylammonium chloride. According to a preferred embodiment of the present invention, alkyltrimethylammonium salts are used, more preferably C12-C25 alkyltrimethylammonium salts, particularly preferably C16-C25 alkyltrimethylammonium chlorides, in particular cetrimonium chloride (CTAC) or behentrimonium chloride (BTAC).
[0050] In a preferred embodiment of the present invention, the cosmetic agent contains 0.01 to 4 wt.%, particularly preferably 0.1 to 3 wt.% and in particular 0.2 to 2 wt.% of the cationic surfactant, the amounts being based on the total weight of the cosmetic agent.
[0051] The applicability of the cosmetic product can be further enhanced by the use of small amounts of one or more polyhydric alcohols. Preferred cosmetic products contain one or more C3 to C12 alkane-1,2-diols, more preferably C3 to C10 alkane-1,2-diols. The cosmetic product particularly preferably contains propane-1,2-diol and / or caprylyl glycol. These particularly preferred diols improve applicability, are simultaneously skin-care-friendly, and are suitable for forming a stable emulsion with the particularly preferred emulsifier.
[0052] In further preferred embodiments of the present invention, the cosmetic product further contains perfume and optionally other excipients, such as viscosity adjusters. These thickeners, like the film former, are preferably not fully synthetic.
[0053] The cosmetic product contains the above-described ingredients in a cosmetic carrier. The cosmetic carrier is preferably an aqueous or aqueous-alcoholic carrier. The cosmetic product preferably contains, based on its total weight, at least 25% by weight, more preferably at least 40% by weight, and especially preferably at least 60% by weight of water. The cosmetic product particularly preferably comprises at least 65% by weight of water, especially preferably at least 70% by weight of water, or at least 75% by weight of water.
[0054] Where quantities are given in % by weight in this application, these refer to the active ingredient of the respective substance in relation to the total weight of the agent, unless otherwise stated.
[0055] The cosmetic products are used as foam. For this purpose, the cosmetic products according to the invention are preferably packaged in a suitable dispensing device, which is either a pressurized gas container additionally filled with a propellant ("aerosol container") or a non-aerosol container. Pressurized gas containers, with the aid of which a product is dispensed via a valve using the container's internal gas pressure, are defined as "aerosol containers." Conversely to the aerosol definition, a "non-aerosol container" is defined as a container under atmospheric pressure with the aid of which a product is dispensed by mechanical action through a pump or squeeze system.
[0056] The cosmetic products are particularly preferably in the form of an aerosol foam in an aerosol container. The cosmetic product therefore preferably additionally contains at least one propellant. In the aerosol foam embodiment, suitable propellants are selected, for example, from N2O, dimethyl ether, CO2, nitrogen, air, alkanes with 3 to 5 carbon atoms, such as propane, n-butane, isobutane, n-pentane, and isopentane, and mixtures thereof.
[0057] The amount of propellant depends on the type and size of the container in which the cosmetic product is offered and used. The amount of propellant in the cosmetic product is therefore selected so that a pressure of 5 bar to 15 bar, in particular 7 bar to 12 bar, is generated in the container containing the cosmetic product. This pressure is typically chosen to generate good foam and empty a container as completely as possible. Higher pressures can be used by selecting packaging with appropriately designed pressure resistance, but are not common due to the higher material requirements.
[0058] When using conventional aerosol containers, aerosol foam products preferably contain propellant in amounts of 0.1 to 20 wt.%, based on the total product. Amounts of 0.2 to 10 wt.%, especially 0.3 to 5 wt.%, are particularly preferred. The amount of propellant is based on the total weight of the product and corresponds to the total amount if more than one propellant is used.
[0059] In a further embodiment, the object underlying the present invention is achieved by the use of the cosmetic agent as described above in the form of a foam for the temporary reshaping and / or shape-fixing of keratin-containing fibers, in particular human hair.
[0060] In yet another embodiment, the object underlying the present invention is achieved by a method for temporarily reshaping keratin-containing fibers, in particular human hair, characterized in that the cosmetic agent is applied to the keratin-containing fibers as described above.
[0061] It has been found to be preferable if the keratin fibers are not rinsed after exposure to the cosmetic agents of the first subject matter of the invention and are left on the fiber.
[0062] Features relating to preferred embodiments of the first embodiment, which are only described above in this regard, naturally also apply to the further embodiments as features of preferred embodiments.
[0063] The following examples are intended to illustrate the subject matter of the present invention without limiting it in any way.
[0064] Examples
[0065] The following agents 1 to 5 according to the invention and the comparative formulations V1 and V2 were prepared.
[0066] Common pH adjusters, UV stabilizers, dyes, preservatives and thickeners were summarized as excipients.
[0067] The agents (Examples 1 to 5 and Comparative Examples V1 and V2) were in the form of an aerosol.
[0068] The formulations according to the invention (Examples 1 to 5) as well as the comparative formulations (V1 and V2) according to the comparative example were applied to test subjects by hand to fix the shape of the hairstyle.
[0069] The hair obtained with the inventive formulations 1 to 5 had a natural shine and a strong yet flexible hold. Furthermore, the test subjects reported a positive hair feel.
[0070] In the comparison examples, the product left the hair feeling dry, so that the test subject was not convinced of the product's performance despite the hairstyle holding well.
Claims
Patent claims 1. A cosmetic product for the temporary reshaping and conditioning of keratin-containing fibers, especially human hair, applied in the form of a foam, comprising at least one non-fully synthetic film former, a cosmetic carrier, and at least one conditioning agent, wherein the conditioning agent is selected from the group consisting of shea butter, mango butter, cocoa butter, avocado butter, shea oil, capuacu butter, olive nut butter, kokum butter, salb butter, murumuro butter, olive butter, aloe butter, ghee, coconut oil, and organic nilotica shea, as well as mixtures of two, three, or more of the aforementioned.
2. Cosmetic composition according to claim 1, characterized in that the care product is contained in a proportion of 0.1 wt.% to 10 wt.%, in particular 0.2 wt.% to 8 wt.%, preferably 0.5 wt.% to 6 wt.%, particularly preferably 0.7 wt.% to 5 wt.%, particularly preferably 1 wt.% to 4 wt.%, particularly 1.5 wt.% to 3 wt.%, in each case based on the total weight of the cosmetic composition.
3. Cosmetic composition according to claim 1 or 2, characterized in that the at least one non-fully synthetically produced film former is selected from saccharides, in particular mono-, di- and / or polysaccharides, and biopolymers, which may be chemically modified.
4. Cosmetic composition according to claim 3, characterized in that the non-fully synthetically produced film former is selected from cellulose, cellulose derivatives, starch, modified starch, pullulan and / or guar hydroxypropyltrimonium chloride.
5. Cosmetic composition according to at least one of claims 1 to 4, characterized in that it further comprises a fully synthetic film former.
6. Cosmetic composition according to at least one of claims 1 to 5, characterized in that it contains film formers in a proportion of 0.05 wt.% to 30 wt.%, in particular of 0.10 wt.% to 20 wt.%, preferably of 0.15 wt.% to 15 wt.%, based on the total weight of the cosmetic composition.
7. A cosmetic product according to at least one of claims 1 to 6, wherein it is essentially free of a fully synthetic film former.
8. Cosmetic product according to at least one of claims 1 to 7, characterized in that it further contains at least one propellant.
9. Cosmetic composition according to claim 8, characterized in that it contains as propellant N2O, dimethyl ether, CO2, nitrogen, air, alkanes with 3 to 5 carbon atoms, such as propane, n-butane, iso-butane, n-pentane and iso-pentane, or mixtures thereof.
10. Cosmetic composition according to claim 8 or 9, characterized in that the amount of propellant is sufficient to generate a pressure of 5 bar to 15 bar, in particular 7 bar to 12 bar, in a container containing the cosmetic composition.
11. Use of the cosmetic product according to at least one of claims 1 to 10 for the care and temporary reshaping and / or shape fixing of keratin-containing fibers, in particular human hair.
12. Method for the temporary reshaping of keratin-containing fibers, in particular human hair, characterized in that the cosmetic agent according to at least one of claims 1 to 10 is applied to the keratin-containing fibers in the form of a foam.
13. Method according to claim 12, characterized in that the cosmetic agent is left on the fiber and is not rinsed out.