WO2020160854A1

WO2020160854A1 - Capsule-containing cosmetic product

Info

Publication number: WO2020160854A1
Application number: PCT/EP2020/050122
Authority: WO
Inventors: Franziska Burr; Sebastian Rosenbaum; Thomas Raschke; Frank Hetzel
Original assignee: Beiersdorf Ag
Priority date: 2019-02-04
Filing date: 2020-01-06
Publication date: 2020-08-13
Also published as: DE102019201364A1

Abstract

The invention relates to a cosmetic product having: an aqueous cosmetic preparation containing a) at least one polymer selected from the group comprising locust bean gum, xanthan gum, gellan gum, carrageenan and chondrus chrispus extract, b) 0.01 to 1.5 wt.-% at least one depolymerisation agent selected from the group comprising EDTA, citric acid and the salts thereof, characterised in that the cosmetic preparation is devoid of homo- or copolymers of acrylic acid and/or methacrylic acid; and having at least one capsule comprising a shell containing a calcium alginate and a liquid core that is completely enveloped by the shell, said core having an oil phase.

Description

Cosmetic product containing capsules

Cosmetic products in general not only serve to be beautiful and attractive

look, but with their effect they make a decisive contribution to an increased self-esteem and well-being of people. Accordingly, a wide variety of cosmetic products are used for daily cleaning and care of the

human skin used.

The prior art knows various cosmetic preparations for caring for human skin. For example, in WO 2015/169456 A1, cosmetic

Preparations are disclosed which have a gel phase in which essentially spherical particles with a size of 0.1 to 10 mm are suspended. The in

Essentially spherical particles can be obtained by adding alginate (algin) to an emulsion and then dripping the emulsion into a solution with calcium ions. The interaction of the alginate and the calcium ions leads to an immediate and

complete gelling of the drop. The essentially spherical particles thus obtained can be removed and suspended in a gel phase. By using an emulsion with the emulsifier sodium stearyl glutamate, the im

To produce essentially spherical particles, the alginate is completely distributed in the emulsion, so that complete curing / gelling of the emulsion is ensured.

One advantage of such cosmetic preparations is that it is possible to incorporate active ingredients into the solid alginate particles which might not be stable if they were dissolved in the outer gel phase.

Alginate is one of the most common polymeric materials used for encapsulation. It is a natural polysaccharide obtained from brown algae and its

The basic structure consists of linear binary copolymers of 1-> 4 bound ß-D-mannuronic acid and aL-guluronic acid. It can form thermally stable and biocompatible hydrogel beads in the presence of a calcium cation. Ca alginate beads are widely used to encapsulate microbial cells, enzymes, hormones, drugs, oils, herbal extracts and flavors. Numerous studies have reported the success of using Ca alginate pearl properties such as size, size variation, shape, Mass transport properties, biocompatibility, swellability, solubility, surface morphology and mechanical and chemical stability.

Furthermore, document US 2015/0044263 A1 is known in the prior art, which discloses a cosmetic product in the form of a two-chamber packaging means. The first chamber of the packaging contains alginate-based capsules which have a shell made of gelled calcium alginate that surrounds a liquid core. The second chamber contains a cosmetic preparation which, when the capsules and the cosmetic preparation are dispensed at the same time, leads to the capsules dissolving. Through this process, the liquid contained in the alginate-based capsules is released and can be applied directly.

The capsule shell is dissolved in that the cosmetic preparation in the second chamber comprises ingredients that can complex calcium.

A disadvantage of the cosmetic product from US 2015/0044263 A1 is that a two-chamber packaging must always be used, which is correspondingly cost-intensive for the manufacturer. In general, packaging containing only one chamber is clear

cheaper.

Another disadvantage of the cosmetic product from US 2015/0044263 A1 is based on the fact that the capsules dissolve immediately on contact with the cosmetic preparation from the second chamber. It is therefore not possible to store the alginate capsules in the cosmetic preparation.

It is advantageous to store alginate capsules in a cosmetic preparation so that the capsules and the cosmetic preparation can be dispensed together from a single-chamber packaging means. In providing such a cosmetic product, however, the person skilled in the art is faced with a large number of tasks.

It is often the case that the capsules stored in the preparation are too hard to break open easily when they are removed either by hand or via a removal valve and to mix them with the external cosmetic preparation. Furthermore, alginate capsules, which contain a single liquid oil phase as the core, often bleed out into the outer cosmetic preparation. The effect of bleeding occurs either when the capsules are suspended in the external preparation or when they are stored at 40 ° C. The leaked oil inevitably leads to a clouding of the external preparation. It It is particularly desirable to provide softened alginate capsules in which, when the alginate capsules are suspended and / or when stored at 40 ° C., the oil phase does not bleed out of the alginate capsules into the outer preparation. Furthermore, it is desirable if the alginate capsules dissolve without particulate residues when they are rubbed on the skin.

It has now surprisingly been found that such cosmetic products can be provided by the present invention.

The present invention relates to a cosmetic product comprising an aqueous cosmetic preparation

a) at least one polymer selected from the group consisting of Locust Bean Gum, Xanthan Gum, Gellan Gum, Carrageenan and Chondrus Chrispus Extract; and

b) 0.01 to 1.5 wt .-% of at least one depolymerization agent selected from the group EDTA, citric acid and their salts, the information referring to the

Refers to the total weight of the preparation;

characterized in that the cosmetic preparation is not homo- or

Contains copolymers of acrylic acid and / or methacrylic acid,

and

at least one capsule comprising a shell containing calcium alginate and a liquid core which is completely enclosed by the shell, the core having an oil phase.

Should weight percentages (wt .-%) without reference to a specific

Composition or specific mixture are given, then these details always relate to the total weight of the cosmetic preparation. If ratios of components / substances / groups of substances are disclosed, then these ratios relate to weight ratios of the named ones

Components / substances / groups of substances.

If it is described below that an ingredient is present in a specified proportion in the cosmetic preparation, the total weight of the cosmetic preparation always relates to all ingredients with the exception of the capsules. The capsules are not included in the cosmetic preparation. The ingredients of the cosmetic preparation and the capsules are therefore described separately. If it is described that an ingredient is not contained in the cosmetic preparation, then this is not limiting for the capsules which can contain this ingredient. If weight percentage ranges are given below for the constituents of the cosmetic preparation, the disclosure of the present application also includes all individual values in steps of 0.1% by weight within these weight percentage ranges.

Unless otherwise stated, all tests were carried out under normal conditions

carried out. The term “normal conditions” means 20 ° C, 1013 hPa and a relative humidity of 50%.

Surprisingly, it has been shown to the person skilled in the art that, according to the invention, a cosmetic product with particularly soft capsules can be provided in which the preparation surrounding the capsules is not clouded by the oil contained in the capsule.

According to the invention, the cosmetic preparation according to the invention contains at least one polymer selected from the group consisting of Locust Bean Gum, Xanthan Gum, Gellan Gum,

Carrageenan and Chondrus Chrispus Extract.

Gellan gum (gellan gum) is a water-soluble anionic polysaccharide produced by the bacterium Sphingomonas elodea (formerly Pseudomonas elodea). Basically, Gellan gum is a linear polysaccharide, whereby the repeating unit of the polymer is a tetrasaccharide, which consists of an L-rhamnose, a D-glucuronic acid and two D-glucose units, which can be esterified with acetic acid and glyceric acid.

Two different chemical structures are known for Gellan Gum, which differ in the degree of acylation. Gellan gums with a high degree of acylation correspond to the formula (II), while gellan gums with a low degree of acylation correspond to the formula (III).

In formulas (II) and (III), n is an integer in the range from 2 to 2000, preferably from 200 to 450.

In the event that the composition according to the invention comprises gellan gum, it is further preferred if the gellan gum has a structure according to formula (III). Furthermore, it is preferred according to the invention if the gellan gum according to formula (III) has a molecular weight in the range from 200,000 to 300,000. Such a gellan gum can be obtained commercially from CP Kelco under the trade name KELCOGEL® CG-LA.

According to the invention, it is advantageous if the total proportion of the at least one polymer selected from the group consisting of Locust Bean Gum, Xanthan Gum, Gellan Gum, Carrageenan and Chondrus Chrispus Extract is 0.1 to 3% by weight, further preferably from 0.25 to 2% by weight and particularly preferably from 0.4 to 1.5% by weight, based on the

Total weight of the cosmetic preparation.

It is particularly preferred if at least xanthan gum and / or locust bean gum are included. If both xanthan gum and Locust bean gum are included, the weight ratio of xanthan gum to Locust bean gum is in the range from 2: 1 to 1: 2, preferably from 1.5: 1 to 1: 1.5 and particularly preferably from 1, 2: 1 to 1: 1, 2.

Furthermore, it is preferred in the context of the present invention if the proportion of

Depolymerization agent b) is from 0.05 to 0.5% by weight, in particular from 0.1 to 0.3% by weight, based on the total weight of the preparation. The use of sodium citrate as a depolymerization agent is particularly preferred. Furthermore, it has surprisingly been found that particularly elastic and soft capsules can be provided in the preparations of the invention if the weight ratio of the capsules to the depolymerization agent is selected from the group EDTA, citric acid and their salts, preferably from 150: 1 to 50: 1 is preferably from 100: 1 to 60: 1 and particularly preferably from 85: 1 to 65: 1.

The elasticity of the capsules is understood to mean that the capsules can be compressed to 60% of their diameter with little effort without them bursting.

Furthermore, it is also advantageous within the meaning of the present invention if, in addition to the polymers a) according to the invention, sodium hyaluronate is also contained, the proportion of sodium hyaluronate preferably being 0.01 to 1% by weight, further preferably 0.05 to 0, 7% by weight and particularly preferably from 0.2 to 0.5% by weight, based on the total weight of the cosmetic preparation. If sodium hyaluronate is contained, it is particularly preferred if the sodium hyaluronate has a molecular weight in the range from 30,000 Da to 60,000 Da.

The proportion of water in the aqueous cosmetic preparation is advantageously from 70 to 90% by weight, preferably from 75% by weight to 85% by weight and particularly preferably from 80 to 84% by weight, based on the total weight of the cosmetic preparation.

It is also advantageous for the purposes of the present invention if the aqueous

cosmetic preparation contains glycerol, the proportion of glycerol being from 5 to 15% by weight, preferably from 7.5 to 14% by weight and particularly preferably 9 to 11% by weight, based on the total weight of the cosmetic preparation.

Furthermore, it is advantageous for the purposes of the present invention if the cosmetic preparation comprises at least one solubilizer, which is furthermore preferably PEG-40 Hydrogenated Castor Oil. If PEG-40 Hydrogenated Castor Oil is contained, it is also preferred if the proportion of PEG-40 Hydrogenated Castor Oil is from 0.1 to 0.8% by weight based on the total weight of the cosmetic preparation.

Further advantageous preparations are also obtained when antioxidants are used as additives or active ingredients. According to the invention, the preparations advantageously contain one or more antioxidants. As cheap, but still optional to use Antioxidants can be all antioxidants suitable or customary for cosmetic and / or dermatological applications.

The antioxidants are advantageously selected from group A, consisting of amino acids (eg glycine, serine, arginine, glutamine, alanine) and their derivatives, peptides such as carnosine and their derivatives, folic acid and its derivatives, niacinamide, ubiquinone, vitamin C and derivatives (e.g. ascorbyl palmitate, sodium ascorbyl phosphate), tocopherols and derivatives (e.g. alpha-tocopherol and tocopherol acetate), vitamin A and derivatives (vitamin A palmitate), alpha-glucosyl rutin, creatine and creatinine, panthenol and natural substances such as magnolol and honokiol.

The total amount of antioxidants, in particular the above group A antioxidants, in the preparations is preferably 0.001 to 5% by weight, particularly preferably 0.05 to 2% by weight, in particular 0.1 to 1% by weight, based on the

Total weight of the preparation.

In addition, preferred embodiments of the invention are characterized in that the cosmetic preparation does not contain any copolymers or homopolymers which are synthesized from vinylpyrrolidone.

Furthermore, advantageous embodiments of the invention are characterized in that the cosmetic preparation contains at least one substance which has an octanol-water partition coefficient (log Kow) of greater than 0 to less than 4, preferably less than 3.5 and particularly preferably less than 3 and no emulsifier or surfactant.

The log Kow value results from the definition

log K _ow = \ og C ₀ - \ og C _w

where C ₀ indicates the concentration of the respective substance in the octanol phase and C _w the concentration of the chemical in the water phase. That means log Kow is positive for lipophilic and negative for hydrophilic substances.

According to the invention, the log Kow value of the substances used is determined using the Crippen calculation method, which is taken from the publication J. Chem. Inf. Comput. Be. 1999, 39, 868-873 with the title "Prediction of Physicochemical Parameters by atomic contribution" is known. It is further preferred if the cosmetic preparation does not have any substance with an octanol-water partition coefficient (log Kow) of greater than 4.5.

The following table lists some distribution coefficients (log Kow) calculated using the Crippen method.

Table 1 :

It is particularly preferred if the cosmetic preparation contains phenoxyethanol. It is also preferred if 1,2-hexanediol is contained in the cosmetic preparation.

Furthermore, advantageous cosmetic preparations of the invention are thereby

characterized in that these contain methyl propanediol in a proportion of 1 to 6% by weight based on the total weight of the cosmetic preparation. The weight ratio between the cosmetic preparation according to the invention and the capsules according to the invention is advantageously from 95: 5 to 75:25, preferably from 90:10 to 80:20 and particularly preferably from 88:12 to 82:18.

The capsules according to the invention have a shell containing a calcium alginate and a liquid core which is completely enclosed by the shell, the core having an oil phase. Accordingly, preferred capsules contain at least one liquid oil. The capsules of the invention contain only a single core.

Such capsules can advantageously be obtained according to the invention by means of coextrusion from a dual nozzle. In this method, the feed line to the nozzle has an inner tube which is located inside an outer tube. Correspondingly, the later oil phase of the capsules is pumped through the inner tube and the aqueous composition containing sodium alginate is pumped through the outer tube. Both end at the nozzle

Supply pipes, so that when dispensed, the composition of the inner pipe is surrounded by the composition of the outer pipe.

Various methods are known which enable drop-shaped dispensing. For example, the formation of drops can involve vibrations or the passage of a stream of gas or steam near the nozzle. When the drops are formed, it should be ensured that the oil phase in the drop is completely surrounded by the composition containing sodium alginate. A possible method is described in US 9259030 B2, for example. There a permanent force is applied to the nozzles over defined frequencies and amplitudes, which leads to the fact that a drop is formed from the liquid jet as described above.

When entering an aqueous hardening medium, which contains polyvalent metal ions,

in particular calcium ions, the outer phase of the drop gels, so that spherical capsules with an inner oil phase are formed. According to the invention, the capsules obtained in this way are advantageously added to the cosmetic product by suspending the capsules in the cosmetic preparation according to the invention.

Without being bound by theory, it is believed that the interaction of the

Depolymerization agent with the polymers according to the invention in the preparation leads to softer capsules being obtained without the oil phase of the capsules escaping into the cosmetic preparation. The oil phase of the capsules according to the invention advantageously contains octyldodecanol as the oil. Further preferred oils are selected from the group dicaprylyl ether, caprylic / capric triglyceride, dimeticone, C12-15 alkyl benzoate, dicaprylyl carbonate; 2-ethylhexyl cocoate, octyl cocoate, cetearyl isononanoate, isopropyl palmitate and squalane. It is also advantageous if the oil phase of the capsules contains at least one vegetable oil, such as preferably argan oil, apricot oil, sunflower oil, evening primrose oil, olive oil, almond oil and / or jojoba oil. It is also advantageous if the oil phase of the capsules contains dyes and / or mica. In this way, visually appealing capsules can be obtained.

The capsules of the present invention can advantageously have at least one oil-soluble UV filter. In this context, oil-soluble means that no two phases are formed within the core of the capsules when the UV filter is added.

The preparation of the present invention can also comprise UV filters, these being water-soluble. Advantageous water-soluble UV filter substances are sulfonated, such as. B .:

• Phenylene-1,4-bis- (2-benzimidazyl) -3,3'-5,5'-tetrasulfonic acid and its salts, especially the corresponding sodium, potassium or triethanolammonium salts, especially phenylene-1,4 -bis- (2-benzimidazyl) -3,3'-5,5'-tetrasulfonic acid-bis-sodium salt with the INCI name Bisimidazylate (CAS-No .: 180898-37-7), which, for example, under the trade name Neo Heliopan AP is available from Haarmann &Reimer;

• 1,4-di (2-oxo-10-sulfo-3-bornylidenemethyl) benzene (also: 3,3 '- (1,4-phenylenedimethylenes) -bis- (7,7-dimethyl-2- oxo-bicyclo- [2.2.1] hept-1-ylmethane sulfonic acid) and its salts (especially the corresponding 10-sulfato compounds, especially the corresponding sodium, potassium or triethanolammonium salt), which is also known as benzene-1 , 4- di (2-oxo-3-bornylidenemethyl-10-sulfonic acid) is called Benzene-1, 4-di (2-oxo-3-bornylidenemethyl-10-sulfonic acid) has the INCI name Terephtalidene Dicampher Sulfonic Acid (CAS . No .: 90457-82-2) and is available, for example, under the trade name Mexoryl SX from Chimex;

Further advantageous UV filters are known to those skilled in the art as triazine derivatives, such as. B.

• 2,4-bis - {[4- (2-ethyl-hexyloxy) -2-hydroxy] -phenyl} -6- (4-methoxyphenyl) -1, 3,5-triazine (INCI: Aniso Triazin), which is available under the trade name Tinosorb® S from CIBA-Nahrungsmittel GmbH. Other advantageous UV filters are selected from the group homomenthyl salicylate (INCI: Homosalate), 2-ethylhexyl-2-cyano-3,3-diphenyl acrylate (INCI: Octocrylene), 2-ethylhexyl-2-hydroxybenzoate (2-ethylhexyl salicylate, octyl salicylate, INCI: Octyl Salicylate) and esters of cinnamic acid, preferably 4-methoxycinnamate (2-ethylhexyl) ester (2-ethylhexyl-4-methoxycinnamate, INCI: Octyl methoxycinnamate).

Further advantageous UV filters, which are advantageously contained in the capsules according to the invention, are Dnbenzoyhmethanderivate, in particular 4- (tert-butyl) -4'-methoxy-'dnben-'zoylmethan (CAS No. 70356-09-1) sold by Givaudan under the trademark Parsol® 1789 and by Merck under the tradename Eusolex® 9020.

The capsules of the present invention advantageously have an average diameter in the range from 0.1 mm to 10 mm, preferably 0.5 mm to 5 mm and in particular 0.8 mm to 4 mm. According to the invention, the mean diameter is for a population of

at least 20 capsules are determined, with the maximum measurable diameter being determined individually for each capsule. The mean value is calculated from the values obtained. The measurement is carried out by taking pictures with a light microscope with the aid of image analysis software, which makes it possible to determine distances on the basis of a scaling. Alternatively, the capsules can be measured in isolation with a caliper.

The capsules of the present invention can be particularly easily in the

suspend cosmetic preparation according to the invention. For this purpose, a conventional stirrer can be used, among other things, the stirrer and the number of revolutions being selected so that the capsules do not tear when suspended.

The cosmetic preparation advantageously has a viscosity of less than 10,000 mPa · s, further preferably less than 5000 mPa · s, further preferably less than 4000 mPa · s and particularly preferably less than 3500 mPa · s. It is also advantageous if the cosmetic preparation has a viscosity of at least 500 mPa s, preferably at least 1500 mPa s, further preferably at least 2000 mPa s and particularly preferably at least 2300 mPa s. Correspondingly, the viscosity of the cosmetic preparation is advantageously from 500 to 10,000 mPa s, preferably from 1500 to 5000 mPa s, further preferably from 2000 to 4000 mPa s and particularly preferably from 2300 mPa s to 3500 mPa s.

If viscosity values are given in this disclosure, then all values relate to a measurement at 25 ° C in a 150 ml wide-neck bottle (VWR no .: 807-001) using a Rheomat R 123 from proRheo. The Rheomat R 123 from proRheo GmbH is a rotational viscometer, ie a measuring body rotates in the substance to be measured. The force is measured that is required to make the measuring body rotate in the sample at a specified speed. The viscosity is calculated from this torque, the speed of the measuring body and the geometric dimensions of the measuring system used. The measuring body used is measuring body no.1 (item no. 200 0191), suitable for a viscosity range up to 10,000 [mPa-s], speed range 62.5 min ^{· 1} . Unless otherwise specified, the viscosity measurement is always carried out 24 hours after the preparation has been made.

The cosmetic preparation according to the invention can also contain other cosmetic auxiliaries and active ingredients, such as are commonly used in such preparations, eg. B. other active ingredients, preservatives, preservatives,

Bactericides, dyes and color pigments, thickeners, moisturizing and / or moisturizing substances or other common components of a cosmetic or dermatological formulation such as other polyols, foam stabilizers, organic solvents or silicone derivatives, provided that the additive does not impair the required properties in terms of stability or is excluded.

Comparative experiments and examples

The following examples are intended to illustrate the present invention without restricting it. Unless otherwise stated, all quantities, proportions and percentages are based on the weight and the total amount or the total weight of the preparations.

The capsules according to the invention were produced as follows:

First, an oil phase and an alginate solution were provided. The following table shows the proportions of the ingredients in both solutions, with the% by weight data referring to the total weight of both solutions, so that the weight ratios of the two solutions are directly taken into account:

In addition, an aqueous calcium solution containing 2% by weight of calcium chloride based on the total weight of the solution was provided.

The capsules according to the invention were produced with a spherizer M from Brace GmbH. The device used works via what is known as vibration nozzle technology.

To produce the capsules, the oil phase was pressed through the inner or core nozzle (0.6 mm diameter) with a pressure of 135 mbar from the spherizer. The alginate solution was pressed through the outer or shell-forming nozzle of the spherizer, which had a diameter of 1.4 mm. The pressure set for the outer nozzle was 150 mbar. The vibration frequency of the spherizer was set to 75 Hz with an amplitude for the vibrations of 1900 mV. The drops produced in this process, having a core with the oil phase and an outer liquid shell

Alginate solution was dropped into the calcium chloride solution. After about 3 minutes, the spherical capsules obtained were removed from the calcium chloride solution using a suitable sieve and washed with deionized water. After washing, the capsules obtained were placed in a transport solution. The weight ratio of the capsules to the transport solution is 70:30.

The capsules obtained have an average diameter of 2.7 mm. The mean core diameter is 2.3 mm. The shell comprising calcium alginate and the core is formed from the ingredients of the oil phase. The capsules obtained in this way are referred to below with the designation OP1.

The transport solution comprises the following ingredients based on the total weight of the transport solution:

The preparations of Examples Example 1 * to Example 4 * and Comp.1 * to Comp.3 * were then provided in accordance with the tables below. The preparations were produced by mixing phase A at 85 ° C. and adding phase B with stirring. After cooling to 50 ° C., phase C was added with stirring. Phase D was then added at 40 ° C. with stirring.

In all preparations of Examples Ex.1 * to Example 4 * and Comp.1 * to Comp.3 *, the amount of substances in phase B was chosen so that the viscosity was comparable in all preparations. It was 2500 to 3000 mPa · s for all preparations, measured with the Rheomat R123 according to the information described above. In this way it could be guaranteed that with the same training (circumferential speed and

Stirring time) of the capsules in the preparation comparable energy was entered. A possible destruction of the pearls cannot be due to a different one

Shear stress can be attributed to the different viscosity of the gels but must be justified by the different ingredients.

The transport solution with the capsules suspended therein was added to the preparations of Examples Ex.1 * to Ex.4 * and Comp.1 * to Comp.3 *, the weight ratio of the transport solution containing the capsules to the respective preparations of Example Ex.1 * to example 4 * and compare 1 * to compare 3 * 21, 43: 78.57.

For the mixture, the transport solution containing the capsules was placed in a container and the respective preparation was added. The mixture was mixed with an IKA Magic Plant at a speed of 40 rpm for 60 s in a clockwise direction and then in the same way in an anti-clockwise direction. A commercially available spiral stirrer was used. The mixtures obtained were then removed via a ball valve at the bottom of the stirrer. Depending on the ingredients, different degrees of turbidity were already perceived when the preparations were dispensed.

The preparations obtained are described with the designation Ex. 1 to Ex. 4 and Comp. 1 to Comp. 3. The weight ratio of the cosmetic according to the invention

Preparation for the capsules is therefore 85:15.

The example preparation obtained, Example 1 to Example 4, are cosmetic preparations according to the invention, while Comp. 1 to Comp. 3 represent comparative examples.

For better orientation, the respective overall composition of the preparations Example 1 to Example 4 and Comp. 1 to Comp. 3 is given again below. The determined degrees of opacity were assessed by experts:

An analysis of the examples Comp.1 to Comp. 3 showed that this preparation contained oil components from the capsules. The cosmetic preparations according to the example formulations Ex. 1 to Ex. 4 showed no oil components from the capsules. This prevented the oil phase from escaping from the capsules.

A comparison of the capsules before and after storage (6 months, 40 ° C) in the

Cosmetic preparation according to the invention (Example 1 to Example 4) showed that by introducing the capsules into the cosmetic preparation, the capsules became significantly softer without, however, already bursting in the cosmetic preparation.

The following comparison test is intended to further illustrate this statement. For this purpose, the cosmetic products listed below were produced. The production was carried out analogously to Example 1 to Example 3. The capsules used were also made as described above.

24 hours after the capsules had been suspended in the preparations of Example Example 5 to Example 7 and the comparative example, which is not according to the invention, compare 4, the capsules were removed from the preparations non-destructively and cleaned with deionized water. Storage after production took place under normal conditions.

One capsule each from the respective cosmetic product was then analyzed using a texture analyzer (TA.XT plus Texture Analyzer (Stable Micro Systems)), which was configured using two plastic plates in such a way that the capsules were compressed along an axis of the capsules. For this purpose, a capsule was placed between the plastic plates and the distance between the plastic plates was reduced from 3 mm to 1.8 mm. The speed was chosen so that the distance was reduced by 0.01 mm / s. This process compressed the capsule along one axis. At the same time, the force was measured that had to be applied to compress the capsule in this way.

It was found that the capsules of the cosmetic product Example 6 can be easily compressed and not burst in the process. The capsules can therefore be regarded as particularly soft. The capsules from Example 5 showed no difference in the amount of force that had to be used for compression compared to Bgl.4. In example 7, compression was not possible because the capsules burst open immediately. So no force could be measured here.

Figure 1 shows a plot of the maximum force to be used in N to compress the capsules in the manner described. The capsules from Example 7 burst open immediately so that no force can be measured.

Further cosmetic products according to the invention are shown in the tables below.

For this purpose, in addition to the previously used 0P1 capsules, the 0P2 to 0P4 capsules were initially produced. The production and further processing with the transport solution was carried out analogously to the description above. The oil phase and alginate phase of the capsules OP2 to OP4 are composed as follows:

The capsules OP1 to OP4 described above were incorporated into the following preparations:

The weight ratios of the cosmetic preparations to the capsules are given in the table below:

The manufacture of the capsules and their proportion for storage in the transport solution have been adjusted accordingly. In these examples, too, the capsules had an average diameter of 2.7 mm.

Claims

1. Cosmetic product comprising an aqueous cosmetic preparation

containing

a) at least one polymer selected from the group consisting of Locust Bean Gum, Xanthan Gum, Gellan Gum, Carrageenan and Chondrus Chrispus Extract; and b) 0.01 to 1.5% by weight of at least one depolymerization agent selected from the group EDTA, citric acid and their salts, the information relating to the total weight of the preparation,

characterized in that the cosmetic preparation is not homo- or

Contains copolymers of acrylic acid and / or methacrylic acid,

and

2. Cosmetic product according to claim 1, characterized in that the

Total proportion of the at least one polymer selected from the group consisting of Locust Bean Gum, Xanthan Gum, Gellan Gum, Carrageenan and Chondrus Chrispus Extract from 0.1 to 3% by weight, more preferably from 0.25 to 2% by weight and particularly preferred from 0.4 to 1.5% by weight, based on the total weight of the cosmetic preparation.

3. Cosmetic product according to one of the preceding claims

characterized in that the cosmetic preparation contains at least xanthan gum and / or locust bean gum.

4. Cosmetic product according to one of the preceding claims

characterized in that the cosmetic preparation contains both xanthan gum and Locust bean gum and the proportion of xanthan gum to Locust bean gum is preferably from 1.5: 1 to 1: 1.5.

5. Cosmetic product according to one of the preceding claims

characterized in that the proportion of the depolymerization agent b) is from 0.05 to 0.5% by weight, preferably from 0.1 to 0.3% by weight, based on the total weight of the preparation.

6. Cosmetic product according to one of the preceding claims, characterized in that the weight ratio of the capsules to the

Depolymerization agent from 150: 1 to 50: 1, preferably from 100: 1 to 60: 1 and particularly preferably from 85: 1 to 65: 1.

7. Cosmetic product according to one of the preceding claims

characterized in that the cosmetic preparation contains sodium hyaluronate, the proportion of sodium hyaluronate preferably from 0.01 to 1% by weight, further preferably from 0.05 to 0.7% by weight and particularly preferably from 0.2 to 0 , 5 wt .-%, based on the total weight of the cosmetic preparation.

8. Cosmetic product according to one of the preceding claims

characterized in that the cosmetic preparation contains PEG-40 Hydrogenated Castor Oil and the proportion of PEG-40 Hydrogenated Castor Oil is from 0.1 to 0.8% by weight based on the total weight of the cosmetic preparation.

9. Cosmetic product according to one of the preceding claims

characterized that the weight ratio between the cosmetic

Preparation and the capsules from 95: 5 to 75:25, preferably from 90:10 to 80:20 and particularly preferably from 88:12 to 82:18.

10. Cosmetic product according to one of the preceding claims

characterized in that the capsules contain at least one liquid oil.

11. Cosmetic product according to one of the preceding claims

characterized in that the capsules contain at least one oil-soluble UV filter.

12. Cosmetic product according to one of the preceding claims

characterized in that the capsules have one or more oils selected from the group consisting of octyldodecanol, dicaprylyl ether, caprylic / capric triglyceride, dimeticone, C12-15 alkyl benzoate and dicaprylyl carbonate; Contains 2-ethylhexyl cocoate, octyl cocoate, cetearyl isononanoate, isopropyl palmitate, squalane, and vegetable oil.

13. Cosmetic product according to one of the preceding claims

characterized in that the capsules have an average diameter in the range from 0.1 mm to 10 mm, preferably 0.5 mm to 5 mm and in particular 0.8 mm to 4 mm.

14. Cosmetic product according to one of the preceding claims, characterized in that the cosmetic preparation does not contain any copolymers or homopolymers which are synthesized from vinylpyrrolidone.

15. Cosmetic product according to one of the preceding claims

characterized in that the cosmetic preparation has a viscosity at 25 ° C of 500 to 10000 mPa · s, preferably 1500 to 5000 mPa · s, further preferably 2000 to 4000 mPa · s and particularly preferably 2300 mPa · s to 3500 mPa · s.