Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/89—Polysiloxanes
  • A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
  • A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/10—Washing or bathing preparations
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/12—Preparations containing hair conditioners
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/10—General cosmetic use
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
  • A61Q1/02—Preparations containing skin colorants, e.g. pigments
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
  • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/04—Preparations for care of the skin for chemically tanning the skin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/08—Anti-ageing preparations
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/02—Preparations for cleaning the hair

Definitions

• the present invention relates to cosmetic preparations containing polysiloxanes which are modified with amino functions with amino functions and at least one further polar functional group in defined proportions, and the use of these preparations in cosmetic formulations for the care of skin and keratinic fibers.
• Aminofunctional siloxanes are widely used as conditioning agents for textiles, additives in shampoos and hair care products and water repellents. A variety of structural variations of this group of substances is described in the prior art and is accessible via different manufac turing routes. In this case, terminally modified with amino groups, purely linear polydimethylsiloxanes are not variable in their degree of modification. This is disadvantageous in that both the number and the type of amino groups greatly affect substantivity, i. on the binding capacity on carriers such as keratinic substances, the aminopolysiloxane exercise. Thus, the total nitrogen content of an aminosiloxane is an important index that correlates directly with its substantivity.
• Polysiloxanes having high degrees of modification with a chain length which can be variably adjusted independently of the nitrogen content can be obtained by lateral functionalization of a polysiloxane having organic substituents containing amino groups.
• the prior art discloses a multitude of publications on laterally modified aminosiloxanes which are currently used in large quantities in cosmetic formulations.
• the preparation of laterally modified aminosiloxanes can be carried out base or acid catalyzed.
• the base-catalyzed equilibration for the preparation as described for example in EP 1972330 A2 in Sections 0154 and 0155, can lead either to terminally dihydroxy-functional, pendantly oligomerically-modified polysiloxanes or to amino-modified polysiloxanes on the side lead, the chain ends are endcapsulated with trimethylsilyl groups.
• US Pat. No. 6,171,515 B1 describes end-capped and dialkoxy-functional aminopolysiloxanes which undergo a functionalization of the primary and secondary amino groups with epoxy-functional monomers, such as, for example, glycidol, in a synthesis step following the siloxane polymerization.
• a similar functionalization of aminosiloxanes with alkylene oxides is described in DE 69003009 T2. Further functionalizations of amino-functional polysiloxanes with Glycerol carbonate or gluconolactone are described in EP 192330 A2 and in J. Phys. Chem. B 2010, 1 14, 6872-6877.
• the derivatization of the amino function has a substantial influence on the substantivity of the nitrogen-containing polysiloxanes on skin or keratin fibers.
• the sensory properties of the cosmetic formulations are dependent on the type and amount which is deposited in the application of the nitrogen-containing polysiloxanes used to skin or hair.
• JP 2002-167437 A describes laterally functionalized polysi oxanes which are usually functionalized, and which are prepared by the reaction of the corresponding aminopolysiloxanes with cyanamide.
• DE 102005004704 A1 describes the condensation copolymerization of a dihydroxy-functional polydimethylsiloxane with a guanidino group-containing silane and an amino group-containing silane. Although it is possible in this way to functionalize the polysaccharide with different types of nitrogen-containing groups, DE 102005004704 does not disclose access to end-capped multi-amino-functional polysiloxanes.
• aminopolysiloxanes are inter alia their viscosity reduction of the formulations containing them. It is therefore desirable from a formulation point of view to use as small amounts of amino-functional siloxanes as possible, without having to accept significant losses in performance.
• the object of the present invention is to provide cosmetic care active ingredients with good application properties.
• nitrogen-containing polysiloxanes of the general formula 1 are excellent, cosmetic care active ingredients.
• the present invention thus relates to the use of polysiloxanes as described in claim 1 as care active in dermatological, cosmetic and pharmaceutical applications and corresponding formulations containing the nitrogen-containing polysiloxanes of the general formula 1.
• An advantage is that the nitrogen-containing polysiloxanes of the general formula 1 effect an improved conditioning of skin and hair than previously known aminopolysiloxanes.
• Yet another advantage of the present invention is that the nitrogen-containing polysiloxanes of the general formula 1 have a very good substantivity.
• a reduction in the amount of amino-functional polysiloxanes used has the advantage that the formulation and incorporation processes are simplified.
• amino-functional agents with the same or better conditioning of skin and hair requires smaller amounts of thickener in a cosmetic surfactant formulation, since amino-functional siloxanes generally have a diluting effect in surfactant formulations (for example in shampoos or shower gels).
• polysiloxanes used according to the invention represent structurally well-defined polymers whose nitrogen content, type and amount of the amino groups and their chain length can be adjusted independently of each other variably via the formulation, so that a constant composition and a reproducible quality the amino-containing polymers is given with a view to the respective application.
• the nitrogen-containing polysiloxanes used are capable of improving both properties such as combability, softness, bulk, moldability, handleability, the entanglement of undamaged and damaged hair, and a beautiful sheen to the hair to lend.
• the present invention is the use of at least one polysiloxane of the general formula 1
• D [R 1 2 Si0 2/2]
• D A [R 1 Si (R 7 NHR 3 ) 0 2 2 ]
• R 1 independently of one another are identical or different linear or branched, saturated or unsaturated hydrocarbon radicals having 1 to 30 carbon atoms or else aromatic hydrocarbon radicals having 6 to 30 carbon atoms, preferably methyl or phenyl, in particular methyl;
• R 2 independently of one another equal to R 1 , an alkoxy radical or a hydroxy group, preferably R 1 , in particular methyl;
• R 3 independently of one another hydrogen or a hydrocarbon radical substituted by nitrogen atoms, for example an aminoethyl radical, in particular hydrogen;
• R 4 independently of one another are identical or different linear or branched, saturated or olefinically unsaturated hydrocarbon radicals having from 8 to 30 carbon atoms, for example decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, in particular hexadecyl and octadecyl;
• R 5 independently of one another are identical or different linear or branched, saturated or unsaturated polar hydroxy-substituted amide radicals having 1 to 30 carbon atoms and / or hydroxy-substituted carbamate radicals having 1 to 30 carbon atoms and / or ethoxylated amine radicals having 1 to 30 carbon atoms and / or guanidine radicals or alkylenylguanidine radicals having 1 to 30 carbon atoms, preferably selected from the group of the substituents of the formula 1 a to 1 h, in particular 1 e and 1 f,
• R is hydrogen, a hydrocarbon radical, an acyl radical, a carboxylate radical or a carbamate or carbonate radical, in particular hydrogen and CH 3 -C (O);
• b 10 to 5000, preferably 20 to 2000, in particular 20 to 1000,
• c 1 to 500, preferably 1 to 100, in particular 1 to 30,
• d 0 to 500, preferably 0 to 100, in particular 0 to 30,
• g 0 to 20, preferably 0 to 10, in particular 0,
• h 0 to 20, preferably 1 to 10, in particular 1-2, or their ionic adducts with protic reactants H + A " ,
• a process for the preparation of the polysiloxanes used according to the invention or contained in the formulations of the invention is based on the use of the compounds exemplified below, wherein
• R 1 , R 4 , R 7 and h have the abovementioned meaning of the formula 1
• R 8 is a hydrogen atom, a methyl or a carboxyl group, preferably H or acetyl
• R 9 is an alkyl or acyl radical, in particular methyl, ethyl or Acetyl is,
• silanes are suitably used as a monomer. If it is advantageous for the later application, the silanes can be precondensed under hydrolytic acidic conditions to give oligomers before the polymer structure is initiated by adding the dihydroxy-functional polysiloxanes.
• the dialkoxysilanes used are prepared by synthesis methods known in the art.
• the guanidation of amino-functional silanes is carried out analogously to that in JP 2002 167437 described guanidation of aminosiloxanes.
• the reaction of amino-functional siloxanes with glycerol carbonate or gluconolactone takes place on the basis of EP 1 972 330 A1 and J. Phys. Chem. B 2010, Vol. 1 14, pp. From 6872 to 6877.
• carboxylic acids such as acetic acid, propionic acid, isononanoic acid or oleic acid are used.
• the reaction can be carried out with the addition of small amounts of water to accelerate the hydrolysis, often sufficient moisture is present in the undried reagents used.
• the reaction can be carried out neat or in the presence of solvents, such as in aliphatic and aromatic, protic and aprotic solvents, glycols, ethers, fatty alcohol alkoxylates, mono-, di- and triglycerides or oils of synthetic and natural origin.
• solvents such as in aliphatic and aromatic, protic and aprotic solvents, glycols, ethers, fatty alcohol alkoxylates, mono-, di- and triglycerides or oils of synthetic and natural origin.
• solvents is advantageous, for example, when the chain lengths of the desired structures cause high viscosities.
• the solvent can be added before, during or after the reaction.
• the reaction may be carried out at temperatures ranging from room temperature to 150 ° C, preferably at 50-100 ° C.
• the alcohols liberated in the hydrolysis are distilled off during or after the reaction under vacuum. Alternatively, they can be carried out by a neutralization step and a filtration step.
• the various monomer units of the siloxane chains given in the formulas can be constructed in blocks of any number of blocks and of any sequence or random distribution. Ionic adducts of the amino-functional siloxanes used according to the invention or contained in the formulations according to the invention with protic reactants H + A " are in the form -NH 3 + A " .
• the anions A " are identical or different counterions to the positive charges on the protonated, primary amino groups selected from inorganic or organic anions of the acids H + A " , and their derivatives.
• Preferred anions are chloride, sulfate or hydrogen sulfates, carbonate or bicarbonate, phosphate or hydrogen phosphates, acetate or homologous carboxylates with linear or branched, saturated or olefinically unsaturated alkyl chains, aromatic carboxylates, carboxylates formed from amino acids, citrates, malonates, fumarates, maleates , substituted and unsubstituted succinates and carboxylates formed from L-hydroxycarboxylic acids such as lactate.
• the aminosiloxanes and their ionic adducts can naturally be present in dissociation equilibria, depending on the stability of the adduct formed.
• the indices used in the formulas are to be regarded as statistical averages.
• care active substance is understood here to mean a substance which serves the purpose of preserving an object in its original form or the effects of external influences (for example, time, light, temperature, pressure, pollution, chemical reaction with others, with the Article in contact reactive compounds) such as aging, fouling, material fatigue, fading, masking, mitigating or avoiding, or even improving desired positive properties of the article Finally, for example, improved hair shine or greater elasticity of the object under consideration called.
• Water-soluble or water-insoluble polysiloxanes according to formula 1 can be used according to the invention. Depending on the formulation to be produced (turbid or clear formulations), it is familiar to the skilled worker whether water-soluble or insoluble polysiloxanes should be used to prepare the formulation.
• the term "water-insoluble” in the sense of the present invention is defined as having a solubility of less than 0.01% by weight in aqueous solution at 20 ° C. and 1 bar pressure
• water-soluble in the sense of the present invention is defined as having a solubility equal to or below more than 0.01 weight percent in aqueous solution at 20 ° C and 1 bar pressure.
• the use according to the invention of the polysi loxanes according to formula 1 as care active substance preferably takes place in surfactant-containing, in particular in surfactant-containing aqueous formulations, whereby the term "aqueous" indi ese m connection formulations are understood which at least 40 wt .-%, in particular at least 60 wt .-%, more preferably at least 75 wt .-%, of water, based on the total formulation.
• an inventively preferred use as care active ingredient is the use as a conditioning agent, in particular as a conditioner for skin and hair, preferably for hair. Therefore, the polysiloxanes according to formula 1 are preferably used in hair treatment agents and hair aftertreatment agents.
• the use according to the invention is particularly in Hair treatment compositions and hair treatment compositions for rinsing or remaining in the hair, for example in shampoos with or without pronounced conditioning effect, 2in1 shampoos, rinses, hair treatments, hair masks, hairdressing aids, styling agents, hair lotions, hair fixatives, permanent wave agents, hair straightening agents and agents for dyeing the hair preferably performed.
• the polysiloxanes according to formula 1 are advantageously used in a concentration of from 0.01 to 20% by mass, preferably from 0.1 to 8% by mass, more preferably from 0.2 to 4% by mass, very particularly preferably from 0.2 to 1, 0, in particular up to 0.7 percent by weight based on the total formulation used in the formulations.
• the polysiloxanes according to formula 1 can be used advantageously for dispersing particles, in particular in cosmetic, dermatological or pharmaceutical formulations. Therefore, according to the invention, the polysiloxanes according to formula 1 can additionally be used as dispersing aids for particles, in particular metal oxides, in particular nanoparticulate TiO 2 , which may be hydrophobic or hydrophilic, color pigments, such as Fe x O y (iron oxides), Mica, Eq immers, ZnO, Titandi oxi d or manganese dioxide, wherein the formulations are preferably selected from the list consisting of sunscreens, decorative cosmetic formulations, such as lipsticks, make-ups, mascara, foundations or Blemish Creams.
• sunscreens decorative cosmetic formulations, such as lipsticks, make-ups, mascara, foundations or Blemish Creams.
• Another aspect of the present invention is dermatological and / or pharmaceutical formulations containing the polysiloxanes of general formula 1.
• Preferred formulations according to the invention are those in which the use described above is preferably carried out.
• formulations according to the invention which contain fatty alcohol ethoxylates contain at least one further component which is selected from at least one of the two groups "ionic surfactants" or "fatty alcohols".
• Formulations preferred according to the invention comprise the polysiloxane of the general formula 1 in a concentration of 0.01 to 20% by mass, preferably 0, 1 to 8% by mass, more preferably from 0.2 to 4% by mass, very particularly preferably from 0.2 to 1.0 , in particular up to 0.7 percent by weight based on the total formulation.
• the formulations according to the invention are preferably cosmetic skin and hair care formulations, in particular hair shampoos, conditioners and rinses which are washed out after application (so-called rinse-off formulations), such as, for example, shampoos and conditioners.
• Shampoos preferred according to the invention are characterized in that they contain as further component a deposition polymer, such as, for example, quaternized polysaccharides, quaternized polyacrylates, quaternized polycelluloses, quaternized starches, quaternized guar or other quaternized or aminic polymers from the group of polyquaternium (PQ) compounds (INCI name).
• a deposition polymer such as, for example, quaternized polysaccharides, quaternized polyacrylates, quaternized polycelluloses, quaternized starches, quaternized guar or other quaternized or aminic polymers from the group of polyquaternium (PQ) compounds (INCI name).
• quats are selected from the group consisting of guar-quat (for example hydroxypropyl guar hydroxypropyltrimonium chlorides, guar hydroxypropyltrimonium chlorides or guar hydroxypropyltrimonium chlorides) or the polyquaternium (PQ) compounds such as PQ-10, PQ-7, PQ- 22, PQ-49, PQ 47, PQ-67 or PQ-6.
• guar-quat for example hydroxypropyl guar hydroxypropyltrimonium chlorides, guar hydroxypropyltrimonium chlorides or guar hydroxypropyltrimonium chlorides
• PQ polyquaternium
• Shampoos preferred according to the invention are characterized in that they contain as further component at least one anionic surfactant (for example alkyl ether sulfate, alkyl sulfate or alkylbenzenesulfonate) and at least one further surfactant from the group of alkylbetaines or alkyloligoglucosides or mono- and / or dialkylsulfosuccinates or alkylamidobetaines or fatty acid sarcosinates ,
• anionic surfactant for example alkyl ether sulfate, alkyl sulfate or alkylbenzenesulfonate
• further surfactant from the group of alkylbetaines or alkyloligoglucosides or mono- and / or dialkylsulfosuccinates or alkylamidobetaines or fatty acid sarcosinates
• Conditioners preferred according to the invention are characterized in that they contain in particular at least one quaternized or aminic or imidazolium-containing organic compound such as Cetri monium chloride, Dicetyldimonium chloride, Quaternium-18, Behentrimonium chlorides, Distearyldimonium chlorides, Quaternium-87, Palmitamidopropyltrimonium chlorides and the corresponding methosulfates or the amidamines stearamidopropyl dimethylamine and behenylamidopropyl dimethylamine.
• the formulation according to the invention may contain, for example, at least one additional component selected from the group of
• Hydrotropes (or polyols),
• the solids content determination is carried out by distilling off the solvent for two hours on a rotary evaporator at 60 ° C and 20 mbar and subsequent weighing.
• the 13 C NMR spectrum shows a complete reaction with the gluconolactone, because there are no signals at 45 ppm would mean the residual amounts of a CH 2 -NH 2 group.
• Example 3 Preparation of a gluconolactampropyl- and aminopropyl-functional polysiloxane
• a gluconolactampropyl- and aminopropyl-functional polysiloxane In a 500 ml four-necked flask with attached KPG stirrer, dropping funnel, reflux condenser and internal thermometer, 200 g of dihydroxy-functional polydimethylsiloxane having a chain length of 47.2 dimethylsiloxane units, 6.52 g of 3-aminopropylmethyldiethoxysilane (Dynasylan® 1505, Evonik Degussa GmbH) and 6 , 48 g of 64.8% strength 2-propanol silane solution from Example 1 with stirring to 85 ° C heated.
• the vacuum is broken and stirred after addition of 4, 18 g of hexamethyldisilazane (98.5%, ABCR GmbH) for 1 hour at 85 ° C and room pressure.
• the mixture is then distilled for 3 hours at 85 ° C and 20 mbar.
• a cloudy, colorless product with a viscosity of 41,500 mPa * s at 25 ° C. is obtained.
• the proportion of trimethylsilyl end-capped chain ends determined by 29 Si-NMR is 80%.
• the potentiometric titration of the product with two different basic nitrogen-containing groups has two turnover points.
• compositions are named in the compositions in the form of the generally accepted INCI nomenclature using the English terms. All concentrations in the application examples are given in percent by weight.
• Example No. 3 For evaluating the conditioning of skin (skin care performance) of Example No. 3 according to the invention in aqueous, surfactant formulations, sensory hand washing tests were carried out in comparison to Comparative Example 2 according to the prior art.
• Comparative Example 2 is widely used in industry as a care active ingredient and is considered to be a highly effective care active ingredient in aqueous, surface-active formulations.
• a group of 10 trained test persons washed their hands and evaluated foam properties and skin sensation on the basis of grades ranging from 1 (poor) to 5 (very good).
• Tab. 1 Test formulations for hand washing test.
• Table 2 shows the results of the hand wash test. On the basis of the measurement results, it can be seen that formulation 1 b according to the invention using Example 3 according to the invention is superior in all application properties in comparison with comparative formulation V2b according to the prior art.
• Example 3 according to the invention in Formulation 1b leads to an improvement in the skin properties in comparison with Comparative Example 2 in Formulation V2b.
• Example 3 To evaluate the conditioning of skin (skin care performance) and the foaming properties of Example 3 according to the invention in aqueous, surface-active mold formulations, such washing tests were carried out in comparison to Comparative Example 2 according to the prior art , This time a lower use concentration compared to Comparative Example 2 was used to test the inventive Example 3 to a higher efficiency.
• control formulation 0c a formulation without the addition of an organomodified siloxane is used.
• Inventive Example 4 and Comparative Example 1 were used in simple cosmetic formulations (shampoo and hair conditioner).
• the pretreatment of the hair takes place in the case of property testing of hair rinses by a shampoo containing no conditioning agent.
• hair tresses used for sensory tests are predamaged in a standardized way by a permanent wave treatment and a bleaching treatment.
• hairdressing customary products are used.
• the criteria of the invention are described in DE 103 27 871. The invention is based on the following examples.
• the strands of hair are moistened under running, warm water. The excess water is gently squeezed out by hand, then the shampoo is applied and gently incorporated into the hair (1 ml / strand of hair (2 g)). After a residence time of 1 min, the hair is rinsed for 1 min.
• the rinse is immediately applied and gently incorporated into the hair (1 ml / strand of hair (2 g)). After a residence time of 1 min, the hair is rinsed for 1 min. Before the sensory evaluation, the hair is dried in air at 50% humidity and 25 ° C for at least 12 hours.
• Sensory scores are scored on grades ranging from 1 to 5, with 1 being the worst and 5 the best scoring.
• the individual test criteria each receive their own rating.
• test criteria are: wet combability, wet grip, dry combability, dry grip, appearance / gloss.
• the following table compares the results of the sensory evaluation of the treatment of the hair strands as described above with the formulation 1d according to the invention, the comparison formulation V2d and the control formulation Od (placebo without test substance).
• Example 4 and Comparative Example 1 of the prior art were used in simple cosmetic formulations (shampoo and hair conditioner). This time, a lower use concentration was used in comparison with Comparative Example 1 in order to test Example 4 according to the invention for greater effectiveness.
• Comparative Example 1 (not According to the Invention) 0.5% Tab. 10: Hair Conditioner Formulations for testing hair conditioning properties at different concentrations. The following table compares the results of the sensory evaluation of hair strand treatment as described above with formulation 1d according to the invention, comparison formulation V2d and control formulation Od (placebo without test substance).
• Tab. 11 Results of conditioning hair from shampoo formulation using different concentrations. The results show, surprisingly, that formulation 1f according to the invention with Example 4 according to the invention is superior or equivalent in all application properties in comparison to comparative formulation V2f according to the prior art, although 20% less Example 4 was used as Comparative Example 1 in the respective formulations.
• Tab. 12 Results of the conditioning of hair from hair conditioner formulations using different concentrations. Also in the application of hair rinse, the formulation according to the invention 1 g with Example 4 according to the invention in the sensory evaluation shows very good cosmetic strength. However, comparison Example 1 with Comparative Example 1 was at least achieved or slightly exceeded by Example 1 according to the invention with Inventive Example 4, although 20% less Example 4 than Comparative Example 1 was used in the respective formulations.
• ANTIL ® 200 Evonik Goldschmidt GmbH (INCI: PEG-200 hydrogenated glyceryl palmate 2.00% PEG-7 Glyceryl Cocoate)
• ANTIL ® 200 Evonik Goldschmidt GmbH (INCI: PEG-200 hydrogenated glyceryl palmate 2.00% PEG-7 Glyceryl Cocoate)
• Citric Acid (30% in water) 3.00%
• VARISC-Ft EQ 65 Evonik Goldschmidt GmbH 2.00% (INCI: Distearyl Dimonium Chloride, Cetearyl Alcohol)
• VARISOFT ® EQ 65 Evonik Goldschmidt GmbH 2.00% (INCI: Distearyl Dimonium Chloride, Cetearyl Alcohol)
• Myristyl myristate 1 1, 00%
• Triisostearin 1 1, 00%
• Citric Acid (10% Solution) (pH Adjustment to 4.0) q.s. Methylisothiazolinone, methylparaben, ethylparaben;

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• 2010
  • 2010-12-09 DE DE102010062676A patent/DE102010062676A1/de not_active Withdrawn
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