WO2001001931A2

WO2001001931A2 - Two-phase hair or skin care agent containing perfume

Info

Publication number: WO2001001931A2
Application number: PCT/EP2000/005974
Authority: WO
Inventors: Achim Koschik; Almut Quenzer; Ursula Hehner
Original assignee: Wella Aktiengesellschaft
Priority date: 1999-07-01
Filing date: 2000-06-27
Publication date: 2001-01-11
Also published as: JP2003503435A; DE29916405U1; AU5979100A; WO2001001931A3; DE19930438A1; EP1143922A2

Abstract

A cosmetic hair or skin care agent comprising a continuous, transparent, clear or opaque, highly-viscous gel outer phase (A) and a homogeneous inner phase (B) containing a perfume oil and which can be seen through said outer phase (A), being arranged in a regular manner. Phases (A) and (B) do not automatically mix with each other during a period of contact of at least 3 months at 30°C. The inventive separation of perfume oil and carrier substances and the dosed addition of the perfume oil which is contained in the inner phase to the final product just before application in accordance with the prescribed application results in olfactory stability of said perfume oil during storage and a strong fragrance on the skin and hair.

Description

Perfume-containing agent for the treatment of hair or skin with two phases

Cosmetic agent for the treatment of hair or skin, which contains a continuous, transparent, clear or opaque, highly viscous gel-like outer phase (A) and therein a homogeneous perfume oil-containing inner phase (B) visible through phase (A), the Do not mix phases (A) and (B) automatically during a contact of at least three months at 30 degrees Celsius.

From EP-A-0 900 744 cosmetic agents are known which contain visible microparticles with an average particle diameter of about 0.1 to 4 mm in a transparent, translucent or opaque base, which destroys them during delivery by means of a manually operated pump device become; this should result in a completely even distribution in the base.

If the microparticles are in the form of capsules, disruptive capsule walls can be observed in the mixture after mixing. The microparticles are also very small and therefore hardly visible. The microparticles also contain no perfume oil and nothing is reported about a regular arrangement of the microparticles.

The applicant has set itself the task of providing a cosmetic agent for the treatment of hair or skin, in which the perfume oil is not present during storage in a mixture with the constituents of the agent which are harmful to the perfume oil, but only immediately before use this is mixed. After mixing, no disruptive components such. B.

Capsule walls are present in the mixture and the full fragrance of the perfume oil should only develop immediately before and during use. At the same time, the agent should be in two phases and give a good visual impression by preferably arranging the enclosed phase regularly.

Surprisingly, it was found that a cosmetic agent for treating the hair or the skin which has a continuous transparent clear or opaque, highly viscous gel-like outer phase (A) and therein a phase (A) contains visible homogeneous inner phase (B), characterized in that phase (B)

- has a different optical appearance than the outer phase (A),

contains at least 0.5% by weight, based on the amount by weight of phase (B) of a perfume oil,

- does not have an outer shell and phases (A) and (B) do not mix automatically during a contact of at least 3 months at 30 degrees Celsius, the task is solved excellently.

The cosmetic composition is preferably such that phases (A) and (B) can easily be mixed mechanically with one another, which is achieved particularly well when the inner phase (B) has an identical or lower viscosity than the outer phase ( A). Easy miscibility should be understood in particular to mean good mixing by stirring for 5 to 30 seconds, e.g. B. with a spoon, or pressing out through a known suitable mixing nozzle or a suitable mixing valve. It is advantageous if phase (A) has a viscosity of at least 5,000 mPa • s at 25 degrees Celsius, measured with a Haake rotary viscometer type VT 501 at a shear rate of 12.9 per second. Phase (A) particularly preferably has a viscosity of 5,000 to 100,000 mPa • s at 25 degrees Celsius, measured with a Haake rotary viscometer type VT 501 at a shear rate of 12.9 per second. Phase (A) very particularly preferably has a yield point which should have a value of at least 1,000 mPa.

Both for the visual impression and for the smallest possible contact surface between phase (A) and phase (B), it is advantageous if phase (B) is present in individual discrete volumes which have a volume of at least 0.1 cm ³ exhibit. The volume is preferably between 0.2 and 2 cm ³ , it being particularly preferred if the discrete volumes of phase (B) are spherical and have a diameter of at least 5 mm.

The production of two-phase agents, which are in a highly viscous outer phase Containing discrete volumes of the inner phase takes place in a manner known per se by introducing the inner phase (B) into the outer phase (A) by means of one or more nozzles. Through the arrangement of the nozzles and a program-controlled application of phase (B) with simultaneous program-controlled movement of the nozzles, any arrangements and shapes of phase (B) in phase (A) can be produced. The inner phase (B) is preferably arranged regularly in the outer phase (A). Figure 1 shows a particularly advantageous arrangement of the discrete volumes of phase (B) with a spherical shape in one medium.

The agent according to the invention is preferably in the form of a hair or skin care agent which, particularly during use, brings about a special fragrance experience for the user. For this effect, it is advantageous if the perfume oil is contained in an amount of at least 1% by weight, based on phase (B). The perfume oil is particularly preferably present in an amount of 1 to 5% by weight, based on the phase (B).

What applies to the need for individual hair care also applies to the skin, since a hair care product, when used appropriately, necessarily comes into contact with the skin of the head. But the skin also needs individual care according to its individual nature. Accordingly, it is clear to the person skilled in the art that the cosmetic care product according to the invention can generally be used advantageously in cosmetic care, it being immaterial whether the care relates to the skin or the appendages (hair).

The hair or skin care product contains a hair or skin care substance in at least one of the phases. The care substance is preferably selected from natural care substances such as vegetable or animal oils, fats or waxes, silicone oils, cationic monomers and cationic polymers. The care substance is particularly preferably selected from D-panthenol, betaine, lanolin, avocado oil, orange oil, orange wax, lemon wax, apple wax, polydimethylsiloxane and a polymer of dimethylsiloxane with polyoxyethylene and polyoxypropylene side chains. The care substances can be present individually or as a mixture. For example, as mixtures of different cationic surfactants or as mixtures of different cationic polymers or as a surfactant and polymer mixture, or as mixtures of oils, fats, waxes and derivatives thereof, or as mixtures of two or more of these substances.

Suitable cationic surfactants and cationic polymers include fatty amines, quaternary ammonium compounds, quaternary compounds of pyridine, morpholine or imidazoline, or a mixture thereof, as well as cationic copolymers, cationic copolymers, cationic polysaccharides, cationic cellulose derivatives, chitosan salts and cationic chelation salts cationized hydrolyzed proteins such as collagen or keratin, or a mixture thereof.

Suitable cationic surfactants are for example: Genamin ^® CTAC or cetyltrimethylammonium chloride, esterquats as for example tetradecyl betainesterchlorid, diesterquats as for example Dipalmitylethyldimethylammonium- chloride (Armocare VGH70 of Akzo, Germany), or a mixture of Distea- roylethyl Hydroxyethylmonium Methosulfate and cetearyl Alcohol (Dehyquart F-75 from Henkel, Germany), diquaternary silicones such as INCI Quaternium-80 (e.g. Abil ^® Quat 3272 or Abil ^® Quat 3270 from Th. Goldschmidt AG, Germany), or imidazolidinyl derivatives such as INCI Quaternium- 87 (Rewoquat ^® W 575 of Witco, Germany).

Regarding cationic polymers, Luviquat ^® FC 905 (copolymer of vinylimidazolium methochloride vinylpyrrolidone or polyquaternium-16) from BASF, Germany, or Gafquat ^® 755 N (copolymer of vinylpyrrolidone / dimethylaminoethyl methacrylate or polyquaternium-11) from ISP , New Jersey, USA, or UcarePolymer JR400 (Polyquaternium-10) from Amerchol, New Jersey, USA, or Merquat 550 (Polyquaternium-7) from Chemviron, or Cosmedia Guar C 261 (hydroxypropyl guar hydroxypropyltrimonium chloride) from Henkel, Germany, or Jaguar C13S (guar hydroxypropyltrimonium chloride) from Rhone Poulenc, Frank- O

rich, or Lamequat L (Lauryldimonium Hydroxypropyl Hydrolyzed Collagen) from Henkel, or Gluadin WQ (Lauryldimonium Hydroxypropyl Hydrolyzed Wheat Protein) from Henkel, or Celquat L-200 (Polyquaternium-4) from National Starch, New Jersey, U.S.A.

Cationic care substances, especially if these are surfactants, can be present in an amount of 0.1 to 3.0 percent by weight of the agent. In the case of cationic polymers, these can preferably be contained in amounts of 0.1 to 5.0 percent by weight. In general, a preferred range from 0.5 to 8.0 percent by weight can be specified for the sum of the cationic care substances, regardless of whether they are surfactants or polymers.

Examples of other care substances are silicone oils (for example cyclomethicones such as Dow Corning 345 Fluid, dimethicones such as Dow Corning 200 Fluid, amino-functional silicones such as SM 2115-D2 from GE Silicones, silicone gums such as Toshiba XF49-811), triglycerides such as e.g. Avocado oil, fatty acids, fatty alcohols, easily spreading oils such as isopropyl myristate, Cetiol OE (dicaprylyl ether) or Eutanol G (octyldodecanol), available from Henkel, Germany, waxes such as lanolin, apple wax, llex resin, beeswax or jojoba oil, phospholipids such as lecithin, or ceramides or petroleum fractions such as paraffin oils and waxes or petroleum jelly.

Fatty acid esters, fatty alcohol ethers or fatty alcohol esters may be mentioned as further suitable care substances in the hair and skin care products according to the invention, for example in an amount of 0.1 to 10% by weight. These compounds are derived from fatty acids or fatty alcohols which have a straight or branched carbon chain with 6 to 40 carbon atoms, are saturated or unsaturated and can also contain OH groups in the chain. Branched compounds occur in synthetic esters and ethers as well as in natural waxes. Unsaturated and hydroxylated fatty acids and fatty alcohols can be found in triglycerides and waxes. Suitable compounds are for example wheat germ oil, sperm oil, Lanolinalkohol- and Lanolinsäurederivate, octyl stearate (Cetiol ^® 868 from Henkel), hexyl laurate (Cetiol ^® A from Henkel), Dioctyiadipat (Arlamol ^® DOA of ICI), isopropyl myristate and octyldodecanol (Eutanol ^® G from Henkel) , Walrus, beeswax, Fruit and other plant waxes. Silicone oils can also be added to these fatty acid esters, fatty alcohol ethers or fatty alcohol esters in the agent according to the invention.

The fatty acid glycerides and the esters can be of synthetic or natural, preferably natural, origin.

The fatty acid glycerides can be present as a mixture. A suitable and preferred mixture of fatty acid glycerides of natural origin are, for example, avocado oil or sunflower seed oil. Sunflower oil essentially consists of a mixture of fatty acid glycerides, which contains the following fatty acids: 4 to 9% palmitic acid, approx. 1% palmitoleic acid, 1 to 7 % Stearic acid, 15 to 35% oleic acid, 50 to 72% linoleic acid, approx. 2% linolenic acid, approx. 1% arachidic acid and approx. 2% behenic acid. Avocado oil essentially consists of a mixture of fatty acid glycerides, which contains the following fatty acids: 5 to 25% palmitic acid, 1 to 10% palmitoleic acid, approx. 3% stearic acid, 54 to 74% oleic acid, 6 to 16% linoleic acid and approx. 3% linolenic acid. Also suitable are further, especially natural oils, which essentially consist of unsaturated fatty acid glycerides such as mink oil, olive oil, almond oil, palm oil, peanut oil, cottonseed oil, rapeseed oil, safflower oil or grape seed oil.

The esters mentioned, formed from a saturated or unsaturated fatty acid and a saturated or unsaturated fatty alcohol, can also be present as a mixture. A suitable mixture of esters of natural origin formed from fatty acid and fatty alcohol is, for example, jojoba oil. Jojoba oil essentially consists of a mixture of esters formed from fatty acids and the corresponding fatty alcohols, in which the following fatty acids are contained: approx. 1 to 2% palmitic acid , approx. 10% stearic acid, approx. 71% eicosenoic acid and approx. 13 to 14% docosenoic acid. The esters can be contained in an amount of 0.1 to 10% by weight in phase (B).

In general, all known silicone care substances for the internal care phase (B) can be used as silicone compounds or silicone oils. Are suitable for example low-viscosity silicone oils, hexamethyldisiloxane, polydimethylsiloxanes (INCI: Dimethicone) with preferably up to 8 monomer units, cyclic dimethylpolysiloxane (INCI: Cyclomethicone) for example cyclooctamethyl-tetrasiloxane, cyclodecamethylpentasiloxane (for example Dow Corning 244 Fluid or Dow Corning from 2004 fluid) Polyoxyethylene and

Polyoxypropylene side chains (INCI: Dimethicone Copolyol), e.g. B: Abil ^® B 8842 of Goldschmidt, phenyl trimethicone (for example, Abil ^® AV grades from Goldschmidt.), Dimethiconol (such as Dow Corning 1401), alkyl dimethicones (for example, Dow Corning 2502 and 2503, or amino functional silicones (for example, Dow. Corning 939 or 8220), the silicone compounds preferably having a viscosity of less than 100 mm ² / s, particularly preferably less than 20 mm ² / s. Mixtures of silicone compounds or silicone oils are also suitable. The silicone compounds or silicone oils can be used in concentrations from 0.02 to 20 percent by weight can be used.

For example, the outer phase (A) and / or the inner phase (B) can contain a mixture comprising at least one vegetable oil and tocopherol acetate, which is dissolved in volatile silicone oil. Further examples of mixtures of care substances would be: a mixture of cetyltrimethylammonium chloride and a cationic polymer, which is still a solution of

Fixing polymers for increasing the volume of hair and / or an antidandruff agent (for example climbazole or zinc pyrithione) and / or a moisturizing agent (for example a solution of panthenol or hyaluronic acid in water and / or glycerol) and / or neutralizing agent (for example a solution of glyoxylic acid in water for neutralization of oxidants not rinsed out).

Another example of an advantageous embodiment of an agent with mixtures of care substances is that the inner phase (A) contains a mixture of cetylstearyl alcohol, glycerol monodistearate, lanolin, D-panthenol and cholesterol, while the outer phase (A) as a care substance Contains D-panthenol. The inner phase (B) can also essentially consist of the perfume oil and a hydrophobic composition of one or more hair and / or skin care fats, Oils or waxes, individually or as a mixture, exist.

A preferred cosmetic care product according to the present invention contains in phase (B) as care substances a combination of at least one saturated or unsaturated fatty acid glyceride, at least one ester formed from a saturated or unsaturated fatty acid and a saturated or unsaturated fatty alcohol and at least one volatile silicone compound ,

Of course, care substances other than those mentioned can also be present, preferably in phase (B), individually or in a mixture, also in a mixture with the aforementioned. Examples of this would be lanolin derivatives, cholesterol, betaines, carnitine esters, amino acids, peptides, proteins, vitamins, and mixtures thereof, for example in an amount of 0.1 to 10.0 percent by weight. Keratin, for example, can be used as proteins in an amount of 0.1 to 4.0 percent by weight. Examples of amino acids are cysteine or alanine in an amount of 0.01 to 0.5 percent by weight.

The two phases (A) and (B) can also contain cosmetic carriers or base materials. Cosmetic carriers or base materials are understood to mean all substances, compounds or mixtures known to the person skilled in the art which themselves have no or no significant cosmetic care effects.

In principle, the person skilled in the art knows which carriers and basic substances and which care substances are used in hair and skin cosmetics, so that the further explanations are only exemplary and only for

To serve to illustrate the present invention. For example, reference is made to the following specialist literature: K. SCHRADER, Fundamentals and Recipes for Cosmetics, 2nd edition, 1989, pages 728-737 or DOMSCH, A., The Cosmetic Preparations, Publishing House for the Chemical Industry (H. Ziolkowsky, Ed. ), 4th edition, volume 2 pages 212 - 230, 1992.

The outer phase (A), which preferably has little or no nourishing effect, can essentially consist of cosmetic carriers and base materials. The Cosmetic carriers and base materials have essentially consistency properties and are usually referred to as solvents or thickeners.

All low-viscosity aqueous and alcoholic, greasy, oily, waxy, polymeric, viscous carriers are suitable for this. Examples include water, alcohols (e.g. ethyl alcohol, propyl alcohol, isopropyl alcohol), viscous substances or thickeners such as aluminum silicates, protein derivatives (e.g. hydrolyzed collagen), polymers, each individually or as a mixture.

The outer continuous transparent highly viscous phase (A) is preferably free of emulsifiers or surfactants, while the inner phase (B) can contain them.

Cationic or anionic surfactants are preferred as surfactants if the inner phase (B) is to be present, for example, as an emulsion. Anionic surfactants can preferably be used if a shampoo is to be formulated as a ready-to-use product. In principle, however, the person skilled in the art knows which surfactants are used for which purpose.

Anionic surfactants which can be used are, for example, alkali metal, alkaline earth metal, ammonium or alkanolamine salts of alkane sulfonates, alkyl sulfates and alkyl ether sulfates which contain 12 to 18 carbon atoms in the alkyl radical and in particular the sodium or triethanolamine salts of lauryl or tetradecyl ether sulfates.

Regarding amphoteric surfactants, all amphoteric surfactants known in cosmetic products for the inner phase (B) can be considered. In particular those from the group of betaines, sulfobetaines, glycinates, acetates or propionates, including their acid addition salts. Of these, the N-alkylbetaines, the N-alkylaminobetaines, the N-alkylsulfobetaines, the N-alkylaminopropionates, the alkyldimethylammonium acetates and the fatty acid alkylamidobetaines should be mentioned in particular as suitable amphoteric surfactants for phase (B). Be particularly preferred however, here cocamidopropyl betaine, cocoamphodipropionate, lauroamphocarboxyglycinate or cocoamphoacetate, including their acid addition salts, such as sodium cocoamphoacetate. Of course, the amphoteric surfactants mentioned can be present individually or in a mixture in phase (B).

Also suitable as nonionic surfactants are all the nonionic surfactants known to be used in cosmetic preparations for phase (B). For this purpose, for example, ethoxylated fatty alcohols (for example the Eumulgin types from Henkel) or fatty acid glycerides with 12 to 18 carbon atoms and with up to 40 moles of ethylene oxide per mole of fatty alcohol can be used, such as, for example, ethoxylated lauryl, tetradecyl, cetyl, oleyl - or stearyl alcohol, alone or in a mixture, and fatty alcohols of ethoxylated lanolin or ethoxylated lanolin. But also fatty amine ethoxylates, fatty acid alkanolamides, sugar esters (for example sucrose esters, for example the Ryoto types from Syntapharm) and sugar ethers (for example alkyl polyglucosides, for example the Plantacare types from Henkel), polyglyceryl esters, silicone surfactants (for example oxalkylated polysiloxanes such as Dow Corning) Surfactant 193 or Dow Corning 5324 Fluid, or silicone-sugar copolymers such as Wacker SPG 128) and ethoxylated sorbitan fatty acid esters are suitable as non-ionic surfactants or surfactant mixtures.

The surfactants suitable for phase (B) can be present in an amount between 0.1 to 5.0 percent by weight, preferably in an amount between 0.5 and 3.0 percent by weight, based on the other constituents of phase (B).

For hair care in particular, it is advantageous if phase (B) contains at least one substance with emulsifying or self-emulsifying, consistency-imparting properties. All known ionogenic emulsifiers (with carboxylic acid, sulfonic acid or sulfuric acid ester groups), amphoteric emulsifiers (with basic or acidic hydrophilic groups) or nonionic emulsifiers (for example polyglycol ethers, fatty acid esters such as glycol fatty acid esters, glycerol monofatty acid esters, or sorbitan fatty acid esters) or at least sorbitan fatty acids are used for this purpose a mono alcohol (or fatty alcohol) in question. Monohydric alcohols are monohydric, saturated or unsaturated, linear or branched alcohols having 6 to 30 carbon atoms, in particular having 8 to 26 carbon atoms, preferably having 12 to 22 carbon atoms, or a mixture thereof. Examples of fatty alcohols are octanol, decanol, dodecanol or lauryl alcohol, tetradecanol or myristyl alcohol, hexadecanol or cetyl alcohol, octadecanol or stearyl alcohol, or mixtures of these fatty alcohols, for example a mixture of cetyl alcohol and stearyl alcohol (cetearyl alcohol). The monoalcohols or a mixture thereof can be present in an amount between 0.1 to 20.0 percent by weight, preferably in an amount between 0.5 and 10.0 percent by weight, based on the other constituents of phase (B).

Preferred cationic emulsifiers are alkyltrimethylammonium halides or dialkyldimethylammonium halides, the alkyl group having 8 to 18 carbon atoms.

Preferred anionic emulsifiers are, for example, salts of fatty acids, fatty alcohol or alkyl sulfates, sulfonates or phosphates, the alkyl group having 8 to 18 carbon atoms.

Suitable consistency agents and thickeners which are mandatory in the highly viscous gel phase (A), but which may also be present in phase (B), are those thickeners which give the outer phase (A) a flow limit, for example agar agar, Guar gum, alginates and xanthan gum; Polyacrylic acid salts, acrylic acid polymers and copolymers as well as bridged acrylic acid polymers (INCI: Carbomer). This is particularly preferred

Phase (A) thickener is a neutralized acrylic acid homopolymer bridged with an allyl ether of pentaerytritol or sucrose or propylene, e.g. B. Acrisint ^® 400 from 3V Inc ..

Suitable organic acids for adjusting the pH, which is preferably 3 to 7, are, for example, formic acid, glyoxylic acid, acetic acid, phosphoric acid, lactic acid, tartaric acid or citric acid, of which citric acid is particularly preferred. Preferred is a cosmetic care product, in particular for hair care, in which the inner phase (B) contains at least one fatty alcohol, at least one fatty acid ester and at least one silicone oil in addition to the perfume oil and the gel phase (A) is a mixture of a bridged acrylic acid polymer ( e.g. INCI:

CARBOMER) and aminomethylpropanol and a lower monoalcohol containing 2 to 3 carbon atoms.

Particularly preferred is an agent for hair care in which the inner phase (B), based on the total amount of the constituents of this phase, 1 to 5% by weight of perfume oil, 1 to 8% by weight of at least one fatty alcohol, 0.5 to 3% by weight % of at least one fatty acid ester and 0.2 to 1% by weight of at least one silicone oil and the gel phase (A), based on the total amount of the constituents of this phase, 0.1 to 2% by weight of a mixture of a bridged acrylic acid polymer (eg: INCI: CARBOMER), neutralized with aminomethylpropanol or HCl, and contains 1 to 10% by weight of a lower monoalcohol with 2 to 3 carbon atoms.

Both phases (A) and (B) of the agent according to the invention can additionally be admixed with further known cosmetic additives, auxiliaries and carriers, for example solvents such as water, lower aliphatic alcohols with 1 to 4

Carbon atoms, for example ethanol, isopropanol or propanol or glycols such as glycerin or 1,2-propylene glycol. The solvents are preferably present in each of the two phases in an amount of 0.5 to 90 percent by weight. The water content in each of the two phases is preferably 70 to 95% by weight, particularly preferably 80 to 93% by weight.

In both phases, but preferably in phase (B), opacifiers such as ethylene glycol distearate in an amount of 0.2 to 5 percent by weight, wetting agents or emulsifiers from the classes of anionic, cationic, amphoteric or nonionic surfactants such as fatty alcohol sulfates, alkylbenzenesulfonates,

Alkyltrimethylammonium salts, alkyl betaines, ethoxylated fatty alcohols, ethoxylated nonylphenols, ethoxylated fatty acid esters in an amount of 0.1 to 10 percent by weight, as well as bactericidal and fungicidal active ingredients, pH Buffer substances, humectants, dyes (e.g. natural or synthetic, direct dyes, but also staining dyes e.g. fluorescein sodium salt), light stabilizers or UV filters, preservatives, antioxidants (e.g. tocopherols), pyrogenic silica, complexing agents, antidandruff agents and further bases, Salts (for example sodium chloride, sodium sulfate), buffers (for example sodium citrate or sodium phosphate), consistency agents, natural, modified, partially or fully synthetic polymers (such as for example chitosan, FMOC-chitosan, PVP) are included.

Parahydroxy-benzoic acid esters, 4,4-trichloro-2-hydroxyphenyl ether, methyl chloroisothiazolinone, plant extracts such as nettle extract or chamomile extract in an amount of 0.05 to 2.0 percent by weight should be mentioned as examples of preservatives. Light stabilizers or UV filters such as p-methoxycinnamic acid isoamyl ester, lipophilic cinnamic acid ester, salicylic acid ester, 4-aminobenzoic acid derivatives or the hydrophilic sulfonic acid derivatives of benzophenones or of 3-benzylidene camphor can be contained in an amount of 0.01 to 2.0 percent by weight; Vitamins include, for example, vitamin C, vitamin E or biotin in an amount of 0.1 to 2.0 percent by weight. For example, tocopherols can be used as antioxidants in an amount of 0.001 to 1 percent by weight.

All known physiologically acceptable dyes can be considered as dyes. These dyes can have the function of an indicator of the intensity of the desired care effect or of the amount of perfume oil or care agent contained in the inner phase (B) and thus serve as dose control. In this case, such a dye is added to the inner phase (B). Suitable dyes for this purpose are those which preferably have no dyeing effect on the hair or skin, for example fluorescein sodium salt. Such a color indicator is advantageously used when using a gel, a paste or cream or another formulation for the inner phase (B) which has a suitable consistency. The dyes can also be used to give the two phases different visual appearances. So the two phases can be colored differently or in the same color, but colored with different intensities; the intensity of the coloring is preferably lower in the outer phase (A) than in the inner phase (B). In a particular embodiment, the inner phase (B) contains pearlescent pigments, which - especially when the basic color of the inner phase (B) is white and is present in discrete volumes in the form of spheres - gives the phase (B) a very aesthetic, pearl-like appearance The result is.

However, dyes can also be added to the care product according to the invention if the care product contains a hair dye or tint and which have permanent hair coloring properties. All dyes known for this purpose can be used. Such dyes can be, for example, the known nitro dyes from the group of the nitro- and amino-substituted benzenes, benzonitriles or benzamides. However, the known azo dyes or quinone dyes as well as natural dyes such as henna, indigo or yuglon can also be used. Finally, the inner phase (B) can also be sensitive to oxidizing agents, such as, in particular, atmospheric oxygen, so-called oxidation dyes, e.g. B. p-phenylenediamine, 2-hydroxyethyl-p-phenylenediamine, 2-methyl-p-phenylenediamine, resorcinol, and m-aminophenol. In the agents according to the invention, the oxidation dyes are protected against the entry of atmospheric oxygen until use by the outer phase.

The outer phase (A) and the inner phase (B) can be present in any weight ratio suitable for the desired purpose and for the desired effect. A weight ratio of the outer phase (A) to the inner phase (B) of 10: 1 to 1: 1 is preferred, a ratio of 8: 1 to 4: 1 is particularly preferred.

In general, it can be assumed that for the use of the agent according to the invention for treating the hair or skin, the two phases are mixed within 10 minutes, preferably within 2 minutes, in particular within 1 minute, before use.

In the case of using the agent according to the invention as a hair care product in Depending on the formulation, this can either remain on the hair (leave-on conditioner) or after a contact time on the hair between 1 and 30 minutes, preferably 2 and 20 minutes, in particular 2 and 10 minutes, with water. The preferred formulation is that of a hair care product that remains on the hair. In the event that the use in the form of a

If the skin care product is provided, the exposure time can also be permanent and last for hours or days without rinsing.

The agent, which is in the form of a highly viscous, transparent gel, can be filled and made available in all the containers - usually transparent - that are customary or comparable for comparable cosmetic products, such as solid or deformable containers, for example in transparent cans, bottles or tubes. It is particularly preferably present in a transparent container provided with a mechanically, preferably manually, operated pump device. Containers suitable for this purpose with manually operated pumping devices are known from the prior art, for example from European patents EP-A 0 900 744 and EP-A 0 900 598.

A particular advantage of the cosmetic care product according to the invention is its chemical and / or physical stability both with regard to the material composition that can be used and with regard to the concentrations of the compositions of the outer phase (A) and inner phase (B) that can be used. Examples of this would be the stability of the pH or of emulsions during the storage of the product. Conventional presentations have the disadvantages that compositions and concentrations of auxiliaries, carriers and care agents as a mixture often exhibit chemical and / or physical instabilities.

By separating perfume oil and carriers according to the invention and adding the perfume oil contained in the inner phase (B) to the ready-to-use end product only immediately before the intended use, the odor stability of the perfume oil is on the one hand

Storage guaranteed and on the other hand achieved an intense smell experience on the skin and hair. In a preferred embodiment, phase (B) contains at least one substance which is incompatible with at least one of the constituents of phase (A) on prolonged contact. Such a substance is, for example, a dye, in particular a dye that is easily oxidized by atmospheric oxygen, or a vitamin such as, for example, ascorbic acid.

The invention further relates to a method for the care of the skin and the hair, characterized in that in an agent described above, phases (A) and (B) are mechanically mixed with one another immediately before use and the mixture is applied to the hair or skin , Mixing is preferably carried out by dispensing the agent from a mixing nozzle known per se or a mixing valve known per se.

The cosmetic care product according to the invention can therefore advantageously be used to care for the hair and skin, so that the intended use of the care product according to the invention is also included in the present invention.

The following example is intended to explain the subject matter of the invention in more detail without restricting it thereto.

Example 1: Leave-On hair care product

outer highly viscous gel phase (A)

0.6000 g bridged acrylic acid polymer (INCI: CARBOMER) 0.4500 g aminomethylpropanol 0.5000 g D-panthenol 0.1000 g light stabilizer 0.0003 g dye 1, 0000 g polydimethylsiloxane-ethylene glycol copolymer 8.0000 g ethanol ad 100 , 0000 g water, fully desalinated inner phase (B)

2.0 g perfume oil

6.0 g cetylstearyl alcohol

2.0 g glycerol monodistearate

3.0 g lanolin

1.1 g of sodium cetylstearyl sulfate

0.3 g polydimethylsiloxane

0.3 g preservative ad 100.0 g water, fully desalinated

15 grams of the creamy inner phase (B) in 85 grams of the outer highly viscous gel phase (A) previously filled into a transparent can were introduced through needle-shaped nozzles in such a way that the inner phase (B) in the form of regularly arranged spherical, discrete volumes of 8 mm diameter was present. The gel phase (A) had a yield point and had a viscosity of 16,500 mPa • s at 25 degrees Celsius, measured with a Haake VT 501 rotary viscometer at a shear rate of 12.9 per second. The can was closed with a hand-operated pump-mixing valve. An amount of 10 cm ³ was removed through the valve, whereby an almost homogeneous mixing could be determined. The mixture developed a strong fragrance impression. After shampooing it was applied to towel-dampened hair. The leave-on hair conditioner was not rinsed off. It gives the hair a nice fragrance, a neat handle and good combability without straining it.

Example 2: Leave-On hair care product

outer highly viscous gel phase (A)

0.4000 g bridged acrylic acid polymer (INCI: CARBOMER) 0.0500 g NaOH 0.0005 g dye

0.2000 g glycerin

10.0000 g ethanol ad 100.0000 g water, fully desalinated

inner phase (B)

1.5 g perfume oil

3.0 g cetylstearyl alcohol

1.0 g glycerol monodistearate

5.0 g lanolin

1.0 g of sodium cetylstearyl sulfate

0.3 g polydimethylsiloxane

0.5 g betaine

0.3 g preservative ad 100.0 g water, fully desalinated

20 grams of the inner phase (B) were introduced into 80 grams of the outer highly viscous gel phase (A) previously filled into a transparent can through needle-shaped nozzles such that the inner phase (B) in the form of regularly arranged spherical, discrete volumes of 8 mm Diameter was present. The gel phase (A) had a yield point and had a viscosity of 12,000 mPa • s at 25 degrees Celsius, measured with a Haake VT 501 rotary viscometer at a shear rate of 12.9 per second. The can was closed with a hand-operated pump-mixing valve. A quantity of 10 cm ³ was removed through the valve, whereby an almost homogeneous mixing could be found. The mixture developed a strong fragrance impression. After shampooing, it was applied to towel-damp damaged hair. The leave-on hair conditioner gives the hair a nice fragrance, a neat handle and good combability without straining it.

Claims

claims

1. Cosmetic agent for the treatment of hair or skin, which contains a continuous, transparent, clear or opaque, highly viscous gel-like outer phase (A) and therein a homogeneous inner phase (B) visible through phase (A), characterized in that that phase (B)

- has a different optical appearance than the outer phase (A),

- Contains at least 0.5% by weight, based on the amount by weight of phase (B), of a perfume oil, - Has no outer shell and phases (A) and (B) remain in contact for at least 3 months at 30 degrees Celsius do not mix with each other automatically.

2. Composition according to claim 1, characterized in that the phases (A) and (B) are mechanically easy to mix with one another.

3. Composition according to claim 1 or 2, characterized in that phase (A) has a viscosity of at least 5,000 mPa ^■ s at 25 degrees Celsius, measured with a Haake rotary viscometer type VT 501 at a shear rate of 12, 9 per second.

4. Agent according to one of claims 1 to 3, characterized in that phase (A) has a viscosity of 5,000 to 100,000 mPa • s at 25 degrees Celsius, measured with a Haake rotary viscometer type VT 501 at a shear rate of 12.9 per second.

5. Agent according to one of claims 1 to 4, characterized in that the outer phase (A) has a yield point.

6. Composition according to one of claims 1 to 5, characterized in that the inner phase (B) in the outer phase (A) is arranged regularly.

7. Composition according to one of claims 1 to 6, characterized in that phase (A) contains a thickener which is selected from agar-agar, guar gum, alginates, xanthan gum, polyacrylic acid salts, acrylic acid polymers and copolymers and bridged acrylic acid polymers.

8. Composition according to claim 7, characterized in that the thickener is a neutralized acrylic acid homopolymer which is bridged with an allyl ether of pentaerytritol or sucrose or propylene.

9. Composition according to one of claims 1 to 8, characterized in that phase (B) is present in individual discrete volumes which have a volume of at least 0.1 cm ³ .

10. Composition according to one of claims 1 to 9, characterized in that the discrete volumes of phase (B) are spherical and have a diameter of at least 5 mm.

11. Agent according to one of claims 1 to 10, characterized in that it is a hair care product and at least one of phases (A) or (B) contains at least one care substance.

12. Composition according to claim 1 1, characterized in that the care substance is selected from natural care substances, vegetable or animal oils or waxes, silicone oils, cationic monomers or cationic polymers.

13. Composition according to claim 12, characterized in that the care substance is selected from D-panthenol, betaine, lanolin, avocado oil, orange oil, orange wax, lemon wax, apple wax, polydimethylsiloxane and a polymer of dimethylsiloxane with polyoxyethylene and polyoxypropylene

Chain sides.

14. Composition according to one of claims 1 to 13, characterized in that phases (A) contains at least one substance which is incompatible with at least one of the components of phase (B) in the event of prolonged contact.

15. Composition according to claim 14, characterized in that the phases (A) contains at least one dye or a vitamin which is incompatible with at least one of the components of phase (B) in the event of prolonged contact.

16. A method for the care of the skin and the hair, characterized in that in an agent according to one of claims 1 to 15, phases (A) and (B) are mechanically mixed with one another immediately before use and the mixture is applied to the hair or the Skin.

17. The method according to claim 16, characterized in that the mixing is carried out by applying the agent from a mixing nozzle known per se or a mixing valve known per se.

18. Use of an agent according to any one of claims 1 to 15 for the care of human hair.