EP4507658A1 - Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend mindestens ein aminosilikon, ein pigment und eine sebum adsorbierende substanz - Google Patents
Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend mindestens ein aminosilikon, ein pigment und eine sebum adsorbierende substanzInfo
- Publication number
- EP4507658A1 EP4507658A1 EP23700691.1A EP23700691A EP4507658A1 EP 4507658 A1 EP4507658 A1 EP 4507658A1 EP 23700691 A EP23700691 A EP 23700691A EP 4507658 A1 EP4507658 A1 EP 4507658A1
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- EP
- European Patent Office
- Prior art keywords
- weight
- agent according
- agent
- pigments
- amino
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
-
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- 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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
- A61K8/585—Organosilicon compounds
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- 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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
- A61K8/604—Alkylpolyglycosides; Derivatives thereof, e.g. esters
-
- 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
- A61K8/86—Polyethers
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- 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
- A61K8/895—Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
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- 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
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
Definitions
- Agent for coloring keratinous material, in particular human hair containing at least one amino silicone, a pigment and a sebum-adsorbing substance
- the subject of the present application is an agent for coloring keratinous material, in particular human hair, which contains at least one amino-functionalized silicone polymer (a1), at least one pigment (a2) and at least one sebum-adsorbing substance (a3).
- Another subject of this application is a method for dyeing keratinic material, in particular human hair, whereby the previously described agent is applied to the keratinic material and, if necessary, rinsed out again after an exposure time of 30 seconds to 45 minutes.
- Oxidation dyes are usually used for permanent, intensive dyeing with good fastness properties and good gray coverage. Such colorants contain oxidation dye precursors, so-called developer components and coupler components, which form the actual dyes among themselves under the influence of oxidizing agents such as hydrogen peroxide. Oxidation dyes are characterized by very long-lasting coloring results.
- direct dyes When using direct dyes, already formed dyes diffuse from the dye into the hair fiber. In comparison to oxidative hair coloring, the colorings obtained with direct dyes have a lower durability and quicker washout. Dyes with direct dyes usually remain on the hair for a period of between 5 and 20 washes.
- color pigments are generally understood to mean insoluble, coloring substances. These are present undissolved in the form of small particles in the coloring formulation and are only deposited on the outside of the hair fibers and/or the surface of the skin. Therefore, they can usually be removed without leaving any residue after a few washes with cleaning agents containing surfactants.
- cleaning agents containing surfactants Various products of this type are available on the market under the name hair mascara. If the user wants particularly long-lasting coloring, the use of oxidative dyes has so far been his only option. However, despite numerous attempts at optimization, an unpleasant smell of ammonia or amine cannot be completely avoided during oxidative hair coloring.
- the hair damage still associated with the use of oxidative dyes also has a detrimental effect on the user's hair.
- a challenge that still exists is the search for alternative, high-performance dyeing processes.
- a possible, alternative coloring system that has recently come into focus is based on the use of colored pigments.
- Coloring with pigments offers several significant advantages. Since the pigments only attach to the keratin fibers, especially the hair fibers, from the outside, the damage associated with the dyeing process is particularly minimal. Furthermore, dyes that are no longer desired can be removed quickly and easily without leaving any residue, thus offering the user the opportunity to return to their original hair color immediately and without much effort. This coloring process is particularly attractive for consumers who do not want to dye their hair regularly.
- the pigment-based coloring system still has some disadvantages. Since both the pigments and the amino silicones that immobilize the pigments are deposited on the surface of the hair fiber, its surface structure is modified by forming a film. Depending on the thickness of the film formed, this modification can also be associated with a change in the haptic impression of the hair fibers, ranging from the feeling of having weighted or greasy hair to a rough, shaggy or straw-like feel of the hair.
- the search was for a technology that would make it possible to fix colored pigments on the hair as permanently as possible without making the hair feel weighed down, greasy, unnatural, strawy, coated or sticky.
- a particular focus of the task was to achieve intensive, wash-fast color results while at the same time keeping the hair feeling good.
- keratin material in particular human hair, is colored with an agent which, in addition to the amino-functionalized silicone polymer (a1) and the pigment or pigments (a2), contains at least one sebum-adsorbing substance (a3).
- a first object of the present invention is an agent for coloring keratinous material, in particular human hair
- Keratin material means hair, skin, nails (such as fingernails and/or toenails). Wool, fur and feathers also fall under the definition of keratin material.
- Keratin material is preferably understood to mean human hair, human skin and human nails, in particular fingernails and toenails. Keratin material is particularly preferably understood to mean human hair.
- coloring agent is used in the context of this invention for a coloring of the keratin material, in particular the hair, caused by the use of pigments.
- the pigments are deposited as coloring compounds in a particularly homogeneous and uniform film on the surface of the keratin material.
- the coloring agent represents a ready-to-use agent.
- This ready-to-use agent can, for example, be filled into a container and applied to the keratin material in this form without further dilution, mixing or other process steps. For reasons of storage stability it may also prove preferable if the Ready-to-use cosmetic products are only prepared by the hairdresser or user shortly before use.
- a mixture of two different agents can be produced, one of the agents containing the amino silicone(s) (a1) and another agent containing the pigment(s) (a2) and the sebum-adsorbing substances (a3).
- the ready-to-use agent is produced by mixing at least three different agents, one of these agents containing at least one amino silicone (a1), another agent containing at least one pigment (a2) and yet another agent containing at least one sebum adsorbing substance (a3).
- the agents can be mixed, for example, by shaking and in this way ensures a particularly even distribution of the dispersed pigments.
- an improvement in the feel is understood to mean that the colored keratin fibers, in particular human hair, leave a more natural and softer impression when gripping the hair, and that the colored keratin fibers or the colored hair are less complaining, greasy, oily, unnatural, straw-like , feel rough or covered. Individual hair fibers can also be separated from each other better and do not stick together.
- the feeling of grip is a sensory impression that can be felt by experienced people such as hairdressers.
- the improvement in the feel of a strand of hair can be determined, for example, by a hairdresser or an experienced user by feeling or feeling two different strands and thus determining in comparison which of the two strands feels better, i.e. which of the two strands is less greasy , oily, sticky, coated, rough or strawy impression.
- the agent according to the invention contains at least one amino-functionalized silicone polymer (a1) as the first ingredient essential to the invention.
- the amino-functionalized silicone polymer can alternatively be referred to as amino silicone or amodimethicone.
- Silicone polymers are generally macromolecules with a molecular weight of at least 500 g/mol, preferably at least 1000 g/mol, more preferably at least 2500 g/mol, particularly preferably at least 5000 g/mol, which comprise repeating organic units.
- the maximum molecular weight of the silicone polymer depends on the degree of polymerization (number of polymerized monomers) and the batch size and is determined by the polymerization method co-determined. For the purposes of the present invention, it is preferred if the maximum molecular weight of the silicone polymer is not more than 10 7 g/mol, preferably not more than 10 e g/mol and particularly preferably not more than 10 5 g/mol.
- the silicone polymers include many Si-O repeat units, where the Si atoms can carry organic radicals such as alkyl groups or substituted alkyl groups. Alternatively, a silicone polymer is therefore also referred to as polydimethylsiloxane.
- the silicone polymers are based on more than 10 Si-O repeating units, preferably more than 50 Si-O repeating units and particularly preferably more than 100 Si-O repeating units, most preferably more than 500 Si-O repeating units .
- An amino-functionalized silicone polymer is understood to mean a functionalized silicone that carries at least one structural unit with an amino group.
- the amino-functionalized silicone polymer preferably carries several structural units, each with at least one amino group.
- An amino group is understood to mean a primary amino group, a secondary amino group and a tertiary amino group. All of these amino groups can be protonated in an acidic environment and are then present in their cationic form.
- amino-functionalized silicone polymers (a1) if they carry at least one primary, at least one secondary and/or at least one tertiary amino group.
- colorings with the highest color intensities were observed when an amino-functionalized silicone polymer (a1) was used in the agent, which contains at least one secondary amino group.
- an agent according to the invention is characterized in that it
- (a1) contains at least one amino-functionalized silicone polymer with at least one secondary amino group.
- the secondary amino group(s) may be located at various positions on the amino-functionalized silicone polymer. Particularly good effects were found when an amino-functionalized silicone polymer (a1) was used that has at least one, preferably several, structural units of the formula (Si-Amino). -Amino)
- ALK1 and ALK2 independently stand for a linear or branched, divalent Ci-C2o-alkylene group.
- an agent according to the invention is characterized in that the agent contains at least one amino-functionalized silicone polymer (a1) which comprises at least one structural unit of the formula (Si-Amino), -Amino) where
- ALK1 and ALK2 independently represent a linear or branched, divalent Ci-C2o-alkylene group.
- the positions marked with an asterisk (*) indicate the bond to other structural units of the silicone polymer.
- the silicon that is adjacent to the star can Atom can be bonded to another oxygen atom, and the oxygen atom adjacent to the star can be bonded to another silicon atom or to a Ci-Ce alkyl group.
- a divalent Ci-C2o-alkylene group can alternatively be referred to as a divalent or divalent Ci-C2o-alkylene group, which means that each group ALK1 or AK2 can form two bonds.
- ALK1 In the case of ALK1, one bond occurs from the silicon atom to the ALK1 moiety, and the second bond is between ALK1 and the secondary amino group.
- ALK2 In the case of ALK2, one bond occurs from the secondary amino group to the ALK2 moiety, and the second bond is between ALK2 and the primary amino group.
- Examples of a linear divalent Ci-C2o-alkylene group include the methylene group (-CH2-), the ethylene group (-CH2-CH2-), the propylene group (-CH2-CH2-CH2-) and the butylene group (-CH2- CH2-CH2-CH2-).
- the propylene group (-CH2-CH2-CH2-) is particularly preferred.
- divalent alkylene groups can also be branched. Examples of branched, divalent C3-C2o alkylene groups are (-CH2-CH(CH3)-) and (-CH2-CH(CH3)-CH2-).
- the structural units of the formula (Si-Amino) represent repeat units in the amino-functionalized silicone polymer (a1), so that the silicone polymer comprises several structural units of the formula (Si-Amino).
- Particularly suitable amino-functionalized silicone polymers (a1) with at least one secondary amino group are listed below.
- Agent characterized in that it contains at least one amino-functionalized silicone polymer (a1) which comprises structural units of the formula (Si-I) and the formula (Si-II).
- a corresponding amino-functionalized silicone polymer with the structural units (Si-I) and (Sill) is, for example, the commercial product DC 2-8566 or Dowsil 2-8566 Amino Fluid, which is sold commercially by the Dow Chemical Company and which has the name “Siloxanes and Silicones, 3-[(2-Aminoethyl)amino]-2-methylpropyl Me, Di-Me-Siloxane” and the CAS number 106842-44-8.
- Another amino-functionalized silicone polymer with the structural units (si- I) and (Si-11) is, for example, the commercial product DOWSILTM AP-8568 Amino Fluid, which is also sold commercially by the Dow Chemical Company.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer (a1) of the formula (Si-III), where m and n mean numbers chosen so that the sum (n + m) is in the range from 1 to 1000, n is a number in the range from 0 to 999 and m is a number in the range from 1 to 1000,
- agents suitable according to the invention are characterized by their content of at least one amino-functional silicone polymer (a1) of the formula (Si-IV), in which p and q mean numbers that are chosen so that the sum (p + q) is in the range from 1 to 1000, p is a number in the range from 0 to 999 and q is a number in the range from 1 to 1000,
- R1 and R2 which are different, represent a hydroxy group or a C1-4 alkoxy group, where at least one of R1 to R2 represents a hydroxy group.
- the silicones of the formulas (Si-Ill) and (Si-IV) differ in the grouping on the Si atom that carries the nitrogen-containing group:
- R2 means a hydroxy group or a C1-4 alkoxy group, while the remainder in formula (Si-IV) is a methyl group.
- A represents a group -OH, -O-Si(CH3)3,-O-Si(CH3) 2 OH,-O-Si(CH3) 2 OCH3,
- D represents a group -H, -Si(CH3)3,-Si(CH3)2OH, -Si(CH3)2OCH3, b, n and c represent integers between 0 and 1000, with the provisos
- the individual siloxane units with the indices b, c and n are randomly distributed, i.e. they do not necessarily have to be block copolymers.
- the agent (a) can also contain one or more different amino-functionalized silicone polymers, which are represented by the formula (Si-Vl) M ( Ra Q bS i 0 (4-ab)/2)x( R cS i 0 (4-c)/2)y M ( S i -VI ), where in the above formula R is a hydrocarbon or a is a hydrocarbon radical having 1 to about 6 carbon atoms, Q is a polar radical of the general formula -R 1 HZ, where R 1 is a divalent connecting group bonded to hydrogen and the radical Z, composed of carbon and hydrogen atoms, carbon -, hydrogen and oxygen atoms or carbon, hydrogen and nitrogen atoms, and Z is an organic, amino-functional radical containing at least one amino-functional group; "a” takes values in the range of about 0 to about 2, “b” takes values in the range of about 1 to about 3, "a” + “b” is less than or equal to 3, and "c” is a number in the range from about 1 to about 3,
- Non-limiting examples of the radicals represented by R include alkyl radicals such as methyl, ethyl, propyl, isopropyl, isopropyl, butyl, isobutyl, amyl, isoamyl, hexyl, isohexyl and the like; Alkenyl radicals, such as vinyl, halogenvinyl, alkylvinyl, allyl, haloallyl, alkylallyl; Cycloalkyl radicals such as cyclobutyl, cyclopentyl, cyclohexyl and the like; Phenyl radicals, benzyl radicals, halohydrocarbon radicals such as 3-chloropropyl, 4-bromobutyl, 3,3,3-trifluoropropyl, chlorocyclohexyl, bromophenyl, chlorophenyl and the like and sulfur-containing radicals such as mercaptoethyl, mercaptopropy
- R 1 examples include methylene, ethylene, propylene, hexamethylene, decamethylene, -CH 2 CH(CH 3 )CH 2 -, phenylene, naphthylene, -CH 2 CH 2 SCH 2 CH 2 -, -CH 2 CH 2 OCH 2 - , -OCH 2 CH 2 -, -OCH 2 CH 2 CH 2 -, -CH 2 CH(CH 3 )C(O)OCH 2 -, -(CH 2 ) 3 CC(O)OCH 2 CH 2 -, - C6H4C6H4- , -C6H4CH2C6H4- ; and -(CH 2 ) 3 C(O)SCH 2 CH 2 - a.
- Z is an organic, amino-functional residue containing at least one functional amino group.
- a possible formula for Z is NH(CH 2 ) Z NH 2 , where z is 1 or more.
- Another possible formula for Z is -NH(CH 2 ) Z (CH 2 ) ZZ NH, where both z and zz are independently 1 or more, this structure including diamino ring structures such as piperazinyl.
- Z is most preferably a -NHCH 2 CH 2 NH 2 residue.
- Another possible formula for Z is - N(CH 2 ) Z (CH 2 ) ZZ NX 2 or -NX 2 , wherein each X of X 2 is independently selected from the group consisting of hydrogen and alkyl groups having 1 to 12 carbon atoms, and zz is 0.
- Q is most preferably a polar, amine-functional radical of the formula -CH 2 CH 2 CH 2 NHCH 2 CH 2 NH 2 .
- "a” takes values ranging from about 0 to about 2
- "b” takes values ranging from about 2 to about 3
- "a” + "b” is less than or equal to 3
- "c " is a number in the range from about 1 to about 3.
- the molar ratio of the R a Qb SiO(4- a -b)/2 units to the R c SiO (4- C )/2 units is in the range from about 1:2 to 1:65, preferably from about 1:5 to about 1:65 and most preferably from about 1:15 to about 1:20. If one or more silicones of the above formula are used, then can the various variable substituents in the above formula may be different for the various silicone components present in the silicone mixture.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer of the formula (Si-VII),
- - G is -H, a phenyl group, -OH, -O-CH3, -CH3, -O-CH2CH3, -CH2CH3, -O-
- - a represents a number between 0 and 3, especially 0;
- - b represents a number between 0 and 1, especially 1,
- n preferably has values from 0 to 1999 and in particular from 49 to 149 and m preferably has values from 1 to 2000, in particular from 1 to 10,
- R' is a monovalent radical selected from o -QN(R")-CH 2 -CH 2 -N(R")2 o -QN(R") 2 o -QN + (R") 3 A- o - QN + H(R") 2 A- o -QN + H 2 (R")A- o -QN(R")-CH2-CH 2 -N + R"H 2 A- , where each Q represents a chemical Bond, -CH2-, -CH2-CH2-, -CH2CH2CH2-, -C(CH3)2-, -CH2CH2CH2CH2-, -CH 2 C(CH3)2-, -CH(CH3)CH 2 CH 2 - stands,
- R" for identical or different radicals from the group -H, -phenyl, -benzyl, -CH2- CH(CH3)Ph, the Ci-20-alkyl radicals, preferably -CH3, -CH2CH3, -CH2CH2CH3, - CH(CH3) 2, -CH2CH2CH2H3, -CH2CH(CH3)2, -CH(CH3)CH2CH3, -C(CH 3 )3, and A represents an anion, which is preferably selected from chloride, bromide, iodide or methosulfate.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer (a1) of the formula (Si-Vlla),
- CH2CH(CH3)CH 2 NH(CH2)2NH2 where m and n are numbers whose sum (m + n) is between 1 and 2000, preferably between 50 and 150, where n preferably has values from 0 to 1999 and in particular from 49 to 149 and m preferably takes values from 1 to 2000, in particular from 1 to 10.
- these silicones are referred to as trimethylsilylamodimethicone.
- an agent according to the invention is characterized in that it contains at least one amino-functional silicone polymer of the formula (Si-Vllb).
- n1 and n2 are numbers whose sum (m + n1 + n2) is between 1 and 2000, preferably between 50 and 150, the sum (n1 + n2) preferably taking values from 0 to 1999 and in particular from 49 to 149 and m preferably taking values from 1 to 2000, in particular from 1 to 10.
- these amino-functionalized silicone polymers are referred to as amodimethicones.
- agents according to the invention which contain an amino-functional silicone polymer (a1) whose amine number is above 0.25 meq/g, preferably above 0.3 meq/g and in particular above 0.4 meq/g.
- the amine number stands for the milli-equivalents of amine per gram of the amino-functional silicone. It can be determined by titration and also expressed in the unit mg KOH/g.
- Agents that contain a special 4-morpholinomethyl-substituted silicone polymer (a1) are also suitable.
- This amino-functionalized silicone polymer includes structural units of the formulas (Sl-VIII) and the formula (Si-IX)
- a corresponding amino-functionalized silicone polymer is available under the name
- Amodimethicone/Morpholinomethyl Silsesquioxane copolymer is known and in the form of the raw material
- the 4-morpholinomethyl-substituted silicone that can be used, for example, is a silicone which has structural units of the formulas (Si-VIII), (Si-IX) and (Si-X). in which
- R1 represents -CH 3 , -OH, -OCH3, -O-CH2CH3, -O-CH2CH2CH3, or -O-CH(CH 3 )2;
- R2 represents -CHs, -OH, or -OCHs.
- Particularly preferred agents according to the invention contain at least one 4-morpholinomethyl-substituted silicone of the formula (Si-Xl)
- R1 represents -CH 3 , -OH, -OCH3, -O-CH 2 CH3, -O-CH 2 CH 2 CH3, or -O-CH(CH3) 2 ;
- R2 represents -CH3, -OH, or -OCH3.
- B represents a group -OH, -O-Si(CH3)3,-O-Si(CH 3 ) 2 OH,-O-Si(CH 3 ) 2 OCH3,
- Structural formula (Si-Xl) is intended to make it clear that the siloxane groups n and m do not necessarily have to be bound directly to an end group B or D. Rather, in preferred formulas (Si-Vl) a > 0 or b > 0 and in particularly preferred formulas (Si-Vl) a > 0 and c > 0, i.e. the terminal group B or D is preferably attached to a dimethylsiloxy group bound.
- the siloxane units a, b, c, m and n are also preferably randomly distributed.
- Silicones used particularly preferably in the context of the present invention are selected from silicones in which
- the agent according to the invention contains the amino-functionalized silicone polymer (a1) in certain quantity ranges. Particularly good results could be obtained if the agent - based on the total weight of the agent - contained one or more amino-functionalized silicone polymers (a1) in a total amount of 0.1 to 8.0% by weight, preferably 0.2 to 5.0 % by weight, more preferably from 0.3 to 3.0% by weight and most preferably from 0.4 to 2.5% by weight.
- an agent according to the invention is characterized in that it contains - based on the total weight of the agent - one or more amino-functionalized silicone polymers (a1) in a total amount of 0.1 to 8.0% by weight, preferably 0 .2 to 5.0% by weight, more preferably from 0.3 to 3.0% by weight and most preferably from 0.4 to 2.5% by weight.
- the agent according to the invention contains at least one pigment (a2) as a second essential component.
- pigments are understood to mean coloring compounds which have a solubility in water at 25 ° C of less than 0.5 g/L, preferably less than 0.1 g/L, even more preferably less than 0. 05 g/L.
- the water solubility can be achieved, for example, using the method described below: 0.5 g of the pigment is weighed out in a beaker. A stir fry is added. Then one liter of distilled water is added. This mixture is heated to 25 ° C for one hour while stirring on a magnetic stirrer.
- the solubility of the pigment is below 0.5 g/L. If the pigment-water mixture cannot be assessed visually due to the high intensity of the pigment, which may be finely dispersed, the mixture is filtered. If a portion of undissolved pigment remains on the filter paper, the solubility of the pigment is below 0.5 g/L.
- Suitable color pigments can be of inorganic and/or organic origin.
- an agent according to the invention is characterized in that it contains at least one coloring compound (a2) from the group of inorganic and/or organic pigments.
- Preferred color pigments are selected from synthetic or natural inorganic pigments.
- Inorganic color pigments of natural origin can be made, for example, from chalk, ocher, umber, green earth, fired Terra di Siena or graphite. Black pigments such as black pigments can also be used as inorganic color pigments.
- B. iron oxide black, colored pigments such as. B. ultramarine or iron oxide red as well as fluorescent or phosphorescent pigments can be used.
- Colored metal oxides, hydroxides and oxide hydrates, mixed phase pigments, sulfur-containing silicates, silicates, metal sulfides, complex metal cyanides, metal sulfates, metal chromates and/or molybdates are particularly suitable.
- Particularly preferred color pigments are black iron oxide (CI 77499), yellow iron oxide (CI 77492), red and brown iron oxide (CI 77491), manganese violet (CI 77742), ultramarines (sodium aluminum sulfosilicates, CI 77007, Pigment Blue 29), chromium oxide hydrate (CI77289 ), Iron Blue (Ferric Ferrocyanide, CI77510) and/or Carmine (Cochineal).
- Color pigments that are also particularly preferred according to the invention are colored pearlescent pigments. These are usually based on mica and/or mica and can be coated with one or more metal oxides. Mica belongs to the layered silicates. The most important representatives of these silicates are muscovite, phlogopite, paragonite, biotite, lepidolite and margarite. To produce the pearlescent pigments in conjunction with metal oxides, the mica, predominantly muscovite or phlogopite, is coated with a metal oxide.
- synthetic mica coated with one or more metal oxides can also be used as a pearlescent pigment.
- Particularly preferred pearlescent pigments are based on natural or synthetic mica (mica) and are coated with one or more of the metal oxides mentioned above.
- the color of the respective pigments can be varied by varying the layer thickness of the metal oxide(s).
- an agent according to the invention is characterized in that it contains at least one inorganic pigment (a2), which is preferably selected from the group of colored metal oxides, metal hydroxides, metal oxide hydrates, silicates, metal sulfides, complex metal cyanides, metal sulfates, bronze pigments and / or from colored pigments based on mica or mica, which are coated with at least one metal oxide and/or one metal oxychloride.
- a2 inorganic pigment
- an agent according to the invention is characterized in that it contains at least one coloring compound (a2) from the group of pigments, which is selected from mica- or mica-based pigments containing one or more metal oxides from the group consisting of titanium dioxide (CI 77891), black iron oxide (CI 77499), yellow iron oxide (CI 77492), red and/or brown iron oxide (CI 77491, CI 77499), Manganese violet (Cl 77742), ultramarines (sodium aluminum sulfosilicates, CI 77007, Pigment Blue 29), chromium oxide hydrate (CI 77289), chromium oxide (CI 77288) and / or iron blue (ferric ferrocyanide, Cl 77510) are coated.
- a2 from the group of pigments, which is selected from mica- or mica-based pigments containing one or more metal oxides from the group consisting of titanium dioxide (CI 77891), black iron oxide (CI 77499), yellow iron oxide (CI 77492), red and/
- color pigments are commercially available, for example, under the trade names Rona®, Colorona®, Xirona®, Dichrona® and Timiron® from Merck, Ariabel® and Unipure® from Sensient, Prestige® from Eckart Cosmetic Colors and Sunshine® available from Sunstar.
- Colorona® examples of particularly preferred color pigments with the trade name Colorona® are:
- color pigments with the trade name Xirona® are, for example:
- color pigments with the trade name Unipure® are, for example:
- the agent according to the invention can also contain one or more coloring compounds (a2) from the group of organic pigments.
- the organic pigments according to the invention are correspondingly insoluble, organic dyes or colored varnishes, for example from the group of nitroso, nitro, azo, xanthene, anthraquinone, isoindolinone, isoindoline, quinacridone, perinone, perylene -, diketopyrrolopyorrole, indigo, thioindido, dioxazine and/or triarylmethane compounds can be selected.
- organic pigments examples include carmine, quinacridone, phthalocyanine, sorgho, blue pigments with the color index numbers CI 42090, CI 69800, CI 69825, CI 73000, CI 74100, CI 74160, yellow pigments with the color index numbers CI 11680 , CI 11710, CI 15985, CI 19140, CI 20040, CI 21100, CI 21108, CI 47000, CI 47005, green pigments with the color index numbers CI 61565, CI 61570, CI 74260, orange pigments with the color index Numbers Cl 1 1725, Cl 15510, Cl 45370, Cl 71105, red pigments with the color index numbers Cl 12085, Cl 12120, Cl 12370, Cl 12420, Cl 12490, Cl 14700, Cl 15525, Cl 15580, Cl 15620, Cl 15630 , Cl 15800, Cl 15850, Cl 15865, Cl 15880, Cl 17
- an agent according to the invention is characterized in that it contains at least one organic pigment (a2), which is preferably selected from the group consisting of carmine, quinacridone, phthalocyanine, sorgho, blue pigments with the color index numbers CI 42090, CI 69800, CI 69825, CI 73000, CI 74100, CI 74160, yellow pigments with the color index numbers CI 11680, CI 11710, CI 15985, CI 19140, CI 20040, CI 21100, CI 21108, CI 47000, CI 47005, green Pigments with the Color Index numbers CI 61565, CI 61570, CI 74260, orange pigments with the Color Index numbers CI 11725, CI 15510, CI 45370, CI 71105, red pigments with the Color Index numbers CI 12085, CI 12120, CI 12370, CI 12420, CI 12490, CI 14
- organic pigment a2
- the organic pigment can also be a colored varnish.
- colored lacquer is understood to mean particles which comprise a layer of absorbed dyes, the unit consisting of particles and dye being insoluble under the above-mentioned conditions.
- the particles can be, for example, inorganic substrates, which can be aluminum, silica, calcium borosilicate, calcium aluminum borosilicate or even aluminum.
- Alizarin color varnish for example, can be used as a colored varnish.
- Pigments with a specific shape may also have been used to color the keratin fibers.
- a pigment based on a lamellar and/or a lenticular substrate plate can be used.
- coloring based on a substrate plate which comprises a vacuum metallized pigment is also possible.
- an agent according to the invention is characterized in that it contains at least one pigment (a2) which is selected from the group of pigments based on a lamellar substrate plate, pigments based on a lenticular substrate plate and vacuum metallized pigments.
- the substrate plates of this type have an average thickness of at most 50 nm, preferably less than 30 nm, particularly preferably at most 25 nm, for example at most 20 nm.
- the average thickness of the substrate platelets is at least 1 nm, preferably at least 2.5 nm, particularly preferably at least 5 nm, for example at least 10 nm.
- Preferred ranges for the thickness of the substrate plates are 2.5 to 50 nm, 5 to 50 nm, 10 to 50 nm; 2.5 to 30 nm, 5 to 30 nm, 10 to 30 nm; 2.5 to 25 nm, 5 to 25 nm, 10 to 25 nm, 2.5 to 20 nm, 5 to 20 nm and 10 to 20 nm.
- Each substrate plate preferably has a thickness that is as uniform as possible.
- the pigment Due to the small thickness of the substrate plates, the pigment has a particularly high hiding power.
- the substrate plates are preferably constructed monolithically.
- monolithic means consisting of a single, closed unit without breaks, layers or inclusions, although structural changes can occur within the substrate plates.
- the substrate platelets are preferably constructed homogeneously, i.e. no concentration gradient occurs within the platelets.
- the substrate plates do not have a layered structure and do not have any particles or particles distributed therein.
- the size of the substrate plate can be tailored to the respective application, in particular the desired effect on the keratinous material.
- the substrate platelets have an average largest diameter of approximately 2 to 200 pm, in particular approximately 5 to 100 pm.
- the form factor (aspect ratio), expressed by the ratio of the average size to the average thickness, is at least 80, preferably at least 200, more preferably at least 500, particularly preferably more than 750.
- the average size of the uncoated substrate plates is understood to be the d50 value of the uncoated substrate plates. Unless otherwise stated, the d50 value was determined using a Sympatec Heios device with Quixel wet dispersion. To prepare the sample, the sample to be examined was predispersed in isopropanol for a period of 3 minutes.
- the substrate plates can be constructed from any material that can be formed into platelet form.
- the substrate plates can be of natural origin or synthetically produced.
- Materials from which the substrate plates can be constructed are, for example, metals and metal alloys, metal oxides, preferably aluminum oxide, inorganic compounds and minerals such as mica and (semi-)precious stones, as well as plastics.
- the substrate plates are preferably made of metal (alloys). Any metal suitable for metallic luster pigments can be considered as a metal.
- metals include iron and steel, as well as all air- and water-resistant (semi-)metals such as platinum, zinc, chromium, molybdenum and silicon, as well as their alloys such as aluminum bronze and brass.
- Preferred metals are aluminum, copper, silver and gold.
- Preferred substrate plates are aluminum plates and brass plates, with substrate plates made of aluminum being particularly preferred.
- Lamellar substrate plates are characterized by an irregularly structured edge and are also referred to as “cornflakes” due to their appearance.
- pigments based on lamellar substrate plates Due to their irregular structure, pigments based on lamellar substrate plates produce a high proportion of scattered light. In addition, the pigments based on lamellar substrate plates do not completely cover the existing color of a keratin material and, for example, effects analogous to natural graying can be achieved.
- Vacuum metallized pigments can be obtained, for example, by releasing metals, metal alloys or metal oxides from appropriately coated films. They are characterized by a particularly small thickness of the substrate plates in the range of 5 to 50 nm and by a particularly smooth surface with increased reflectivity. Substrate plates which comprise a pigment metallized in a vacuum are also referred to as VMP substrate plates in the context of this application. VMP substrate plates made of aluminum can be obtained, for example, by releasing aluminum from metallized foils.
- the substrate plates made of metal or metal alloy can be passivated, for example by anodizing (oxide layer) or chromating.
- Uncoated lamellar, lenticular and/or VPM substrate plates especially those made of metal or metal alloy, reflect the incident light to a high degree and create a light-dark flop. These have proven to be particularly preferred for use in the dye.
- Suitable pigments based on a lamellar substrate plate include, for example, the pigments from the VISIONAIRE series from Eckart. Pigments based on a lenticular substrate plate are available, for example, under the name Alegrace® Spotify from Schlenk Metallic Pigments GmbH.
- Pigments based on a substrate platelet which comprises a vacuum metallized pigment are available, for example, under the name Alegrace® Marvelous or Alegrace® Aurous from Schlenk Metallic Pigments GmbH.
- a particularly preferred agent according to the invention is characterized in that it has at least one
- Pigment (a2) which is selected from the group of inorganic pigments, organic pigments, pigments based on a lamellar substrate plate, pigments based on a lenticular substrate plate and vacuum metallized pigments.
- the use of the aforementioned pigments in the agent according to the invention is particularly preferred. Furthermore, it is preferred if the pigments used have a certain particle size. It is therefore advantageous according to the invention if the at least one pigment has an average particle size D50 of 1.0 to 50 pm, preferably from 5.0 to 45 pm, preferably from 10 to 40 pm, in particular from 14 to 30 pm.
- the average particle size D50 can be determined, for example, using dynamic light scattering (DLS).
- the pigments (a2) are preferably used in certain quantitative ranges on average. Particularly good results were obtained when the agent - based on the total weight of the agent - contained one or more pigments (a2) in a total amount of 0.01 to 10.0% by weight, preferably 0.1 to 5.0% by weight. -%, more preferably from 0.2 to 2.5% by weight and very particularly preferably from 0.25 to 1.5% by weight.
- an agent according to the invention is characterized in that it contains - based on the total weight of the agent - one or more pigments (a2) in a total amount of 0.01 to 10.0% by weight, preferably 0. 1 to 5.0% by weight, more preferably from 0.2 to 2.5% by weight and very particularly preferably from 0.25 to 1.5% by weight.
- the agent according to the invention contains at least one sebum-adsorbing substance (a3) as the third essential ingredient.
- the sebum-adsorbing substance can alternatively be referred to as a sebum-adsorbing substance.
- a sebum-adsorbing substance is a compound that is able to adsorb, ie absorb, the sebum or talc that forms on the human scalp. The sebum accumulates on the surface or inside this substance.
- sebum-adsorbing substances are often described as active ingredients in dry shampoos.
- the sebum-adsorbing substances can be used in various forms in the agent according to the invention.
- the use of a sebum or sebum-adsorbing powder has proven to be particularly advantageous.
- Whether a powder is sebum adsorbent can be determined, for example, by the sebum absorption capacity of this powder.
- the sebum/sebum intake corresponds to the amount of sebum adsorbed by the powder. It is expressed in ml of sebum per 100 g of powder, measured according to a method for determining the oil absorption of powders, as described, for example, in various standards known from the prior art.
- the oil absorption of the powder corresponds to the amount of sebum adsorbed on the available surface of the powder, which can be determined, for example, by measuring the "wet point" using the following measuring method.
- Well-suited sebum-adsorbing powders are capable of a sebum absorption of at least 0.5 ml/100 g, preferably at least 0.8 ml/100 g.
- an agent according to the invention is characterized in that it contains at least one sebum-adsorbing powder (a3).
- the sebum or sebum-absorbing powder can be, for example, a mineral or an organic powder.
- a powder is a mixture of small particles that are solid at 25°C and normal pressure (1013mbar).
- the sebum-adsorbing substance or the sebum-adsorbing powder can be selected from:
- starch octenyl succinates and in particular aluminum starch octenyl succinates, or starch phosphates such as distarch phosphate,
- Acrylic polymer powders in particular polymethyl methacrylate, poly(methyl methacrylate/ethylene glycol dimethacrylate), poly(allyl methacrylate/ethylene glycol dimethacrylate), ethylene glycol dimethacrylate/lauryl methacrylate copolymer,
- an agent according to the invention is characterized in that it contains at least one sebum-adsorbing substance (a3) selected from the group of composite powders, starches, modified starches, talc, silicas, silica, calcium silicates, pearlites, zeolites , polylactic acids, polyamide powders and acrylic polymer powders.
- a3 sebum-adsorbing substance selected from the group of composite powders, starches, modified starches, talc, silicas, silica, calcium silicates, pearlites, zeolites , polylactic acids, polyamide powders and acrylic polymer powders.
- composite powders (a3) in the agent according to the invention has proven to be particularly particularly suitable for solving the problem according to the invention. Agents containing composite powder (a3) are therefore most preferred.
- Composites or composite materials or composite materials are understood to mean materials made from two or different connected materials, with the composite material has different properties than its individual components.
- a powder is a mixture of small particles that are solid at 25°C and normal pressure (1013 mbar).
- the composite powder in the sense of the present invention is a powdery composite material made of at least two different materials at room temperature (25 ° C).
- Particularly suitable composite powders are extremely flowable, easy to disperse and have only a very low tendency to aggregate. They can be incorporated into cosmetic compositions without special devices or special process steps. As a rule, it is sufficient to mix the composite powder with the other components. Composite powders whose powder particles have an average particle diameter of 0.5 to 100 pm, particularly preferably 1 to 10 pm, are preferred.
- the at least two different materials of the composite powder can be, for example, organic and/or inorganic materials.
- the composite powder can comprise an organic component (Compo-A) and an inorganic component (Compo-B).
- an agent according to the invention is therefore characterized in that it comprises, as the sebum-adsorbing substance (a3), at least one composite powder comprising an organic component (Kompo-A) and an inorganic component (Kompo-B).
- (a3) at least one composite powder which comprises an organic component (Kompo-A) and an inorganic component (Kompo-B).
- the composite powder can comprise powder particles of an organic polymer (Compo-A) and powder particles of an inorganic or a mineral compound (Compo-B).
- Compo-A an organic polymer
- Compo-B powder particles of an inorganic or a mineral compound
- a very suitable composite powder (a3) consists of powder particles of an organosilicone copolymer (Compo-A) and particles of silicon dioxide (Compo-B).
- an agent according to the invention is therefore characterized in that it contains at least one composite powder (a3), which comprises (compo-A) particles made of an organosilicone copolymer and (compo-B) particles made of silicon dioxide.
- a particularly suitable composite powder (a3) consists (Compo-A) of powder particles of a silicone elastomer and (Compo-B) particles of silicon dioxide.
- the powder particles of the silicone elastomer can have different shapes, with spherical powder particles being preferred.
- the particles of silicon dioxide are preferably immobilized on the surface of the powder particles of the silicone elastomer (Kompo-A).
- an agent according to the invention is therefore characterized in that it contains at least one composite powder (a3), comprising (Kompo-A) particles made of a silicone elastomer and (Kompo-B) particles made of silicon dioxide, the particles made of silicon dioxide ( Kompo-B) are immobilized on the surface of the particles of the silicone elastomer ( Kompo-A).
- the powdered silicone elastomer can preferably be produced by reacting an organopolysiloxane (I) which has at least two alkenyl groups per molecule with an organopolysiloxane (II) which has at least two hydrogen atoms bonded to a silicon atom per molecule.
- the organopolysiloxane (I), which has at least two alkenyl groups per molecule, is preferably a compound of the formula (I).
- R represents a Ci-C 6 -alkyl group or a C e -Ci 0 -aryl group
- Ri represents R or an 02-Ce-alkenyl group
- R2 represents R or an alkenyl group and m and n each independently represent an integer from 0 to 5000, with the proviso that in the event that Ri does not represent a C2-Ce-alkenyl group, R2 is a C2-Ce- Alkenyl group means and n is at least 2.
- a compound of the formula (II) is preferably used as the organopolysiloxane (II), which has at least two hydrogen atoms bonded to a silicon atom per molecule where
- R represents a Ci-C 6 -alkyl group or a C 6 -Cio-aryl group
- R4 represents R or hydrogen, and s and t each independently represent an integer from 0 to 5000, provided that if R3 does not represent hydrogen, R4 represents hydrogen and t is at least 2.
- Ci-C 6 alkyl groups include methyl, ethyl, propyl and isopropyl, with methyl being preferred.
- Suitable C 6 -Cio-aryl groups are, for example, phenyl and naphthyl, with phenyl being preferred.
- R in the above formulas is particularly preferably methyl.
- C 2 -C e -alkenyl groups examples include vinyl, allyl, propenyl, butenyl, pentenyl and hexenyl.
- the alkenyl group is preferably vinyl.
- m, n, s and t preferably each independently represent an integer from 0 to 1000, particularly preferably from 0 to 200.
- the powdered silicone elastomer (Compo-A) is preferably a dimethicone-vinyldimethicone copolymer, preferably a crosslinked dimethicone-vinyldimethicone copolymer.
- the latter are known under the INCI name Dimethicone/Vinyl Dimethicone Crosspolymer.
- the silicon dioxide ( Kompo-B) particles preferably have an average particle diameter of 0.001 to 0.1 pm.
- the silicon dioxide (Kompo-B) is preferably amorphous and can be produced using known methods, for example in an electric arc, wet chemically or by flame hydrolysis.
- the silicon dioxide (B) is preferably fumed silica.
- the latter can, for example, be converted into an aqueous dispersion to which the silicon dioxide (Kompo-B) is added.
- the quantitative ratio can be chosen freely within wide limits, with it being preferred to add 0.1 to 30 parts by weight of silicon dioxide (Kompo-B) to 100 parts by weight of powdered silicone elastomer (Kompo-A).
- the dispersion is heated, with the preferred temperature range being 40 to 95°C. Finally, the water is removed and the composite powder is obtained.
- an agent according to the invention is therefore characterized in that it contains, as the sebum-adsorbing substance (a3), a powder with the INCI name DimethiconeA/inyl Dimethicone Crosspolymer (and) Silica and/or a powder with the INCI name DimethiconeA/inyl Dimethicone Crosspolymer (and) Silica (and) Butylene Glycol contains.
- the sebum-absorbing powder can also be a powder that is coated with a hydrophobic treatment agent.
- the hydrophobic treatment agent can be selected, for example, from the group consisting of fatty acids such as stearic acid, metal soaps such as aluminum dimyristate, the aluminum salt of hydrogenated tallow glutamate, amino acids such as aluminum dimyristate, aluminum salt of hydrogenated tallow glutamate; Amino acids ; N-acylated amino acids or their salts; Lecithin, isopropyl trisostearyl titanate and mixtures thereof.
- N-acylated amino acids may contain an acyl group with 8 to 22 carbon atoms, such as: B. 2-Ethylhexanoyl, Caproyl, Lauroyl, Myristoyl, Palmitoyl, Stearoyl, Cocoyl.
- the salts of these The salts of these compounds can be aluminum, magnesium, calcium, zirconium, zinc, sodium or potassium salts.
- the amino acid can be, for example, lysine, glutamic acid or alanine.
- Starch is a reserve carbohydrate that is stored by many plants in the form of starch grains (granules), usually 1 to 200 pm in size, in various parts of the plant, e.g. in tubers or roots, grain seeds, fruits and in the pulp.
- Starch belongs to the homoglycan family and is a polycondensation product of D-glucose.
- Starch consists of three structurally different polymers of d-glucopyranose, namely amylose, amylopectin and a so-called intermediate fraction.
- a starch compound (a3) which can preferably be used according to the invention is selected from at least one - optionally modified - polycondensation product of D-glucose obtained from starch from rice, corn, potatoes, peas, acorns, chestnuts, barley, wheat, bananas, sago, millet, sorghum, Oats, rye, beans, batate, maranta or cassava.
- the agent according to the invention can contain at least one starch compound (a3) from the group consisting of rice starch, corn starch, potato starch and tapioca starch. Mixtures of the aforementioned starch compounds are also included according to the invention.
- the starch compound is particularly preferred rice starch.
- Starch compounds based on rice starch are available, for example, under the name Remy DR KA (INCI name: Oryza Sativa (Rice) Starch, CAS number 9005-25-8) from Bene O Remy Industries or under the name Rice Starch D.S.A. 7 (INCI name: Oryza Sativa (Rice) Starch, Cetrimonium Chloride; CAS number 9005-25-8) available from Agrana.
- an agent according to the invention is characterized in that it
- (a3) at least one sebum-adsorbing substance from the group consisting of starches from rice, corn, potatoes, peas, acorns, chestnuts, barley, wheat, bananas, sago, millet, sorghum, oats, rye, beans, batate, maranta or cassava , very particularly preferably from the group of rice starch, corn starch, potato starch, tapioca starch, wheat starch and cassava starch.
- a modified starch can also be used as starch.
- a modified starch is a starch that has been modified by a process known to those skilled in the art, such as esterification, etherification, oxidation, acid hydrolysis, crosslinking or enzymatic conversion.
- Non-limiting examples of modified starches are aluminum starch octenyl succinate, sodium starch octenyl succinate, sodium starch octenyl succinate, calcium starch octenyl succinate, starch phosphate, distarch phosphate, hydroxyethyl starch phosphate, hydroxypropyl starch phosphate, sodium carboxymethyl starch and sodium glycolate starch.
- the modified starch is a starch octenyl succinate, in particular aluminum starch octenyl succinate.
- Aluminum Starch Octenyl Succinate is a starch modified with octenyl succinic anhydride, which is present in the form of its aluminum salt.
- Aluminum Starch Octenyl Succinate carries the CAS number. 9087-61-0 and is commercially available, for example, under the trade name Covafluid AMD from Sensient. Particularly noteworthy is the product that is commercially sold by AKZO NOBEL under the name DRY FLO PLUS.
- Starch phosphates are derivatives of starch that belong to the starch esters. Monostarch phosphate is labeled E 1410 and distarch phosphate is labeled E 1412. Starch phosphate is produced by reacting starch with monosodium orthophosphate or disodium orthophosphate in a polymer-analog reaction.
- the bond is formed preferably on the Ce atom of the glucose building block.
- This compound is formed, for example, by treating starch with monosodium orthophosphate or disodium orthophosphate or alkali tripolyphosphates at pH 5.5-6 and 120-175 ° C for 1-15 hours.
- distarch phosphate the phosphate group forms a bridge between two starch chains. It is produced by reacting native starch in an aqueous suspension with sodium trimetaphosphate, phosphorus oxychloride or phosphorus pentachloride in the presence of sodium chloride, sodium carbonate or sodium hydroxide at pH 10-11. After the reaction has ended, the pH is adjusted to between 4.5-6 and the product is then washed with water and dried or converted into swelling starch. The degree of substitution for distarch phosphate is about an order of magnitude lower than for starch monophosphate. Distarch phosphate has the INCI label Distarch Phosphate and has the CAS number 55963-33-2.
- distarch phosphate can be purchased commercially from Nippon Starch Chemical under the trade name PB 2000.
- an agent according to the invention is characterized in that it
- (a3) contains at least one sebum-adsorbing substance from the group of modified starches, preferably from the group of aluminum starch octenyl succinate and starch phosphates.
- a further sebum-adsorbing substance according to the invention is talc, talc or talc, preferably talc with the INCI name Tale, E553b.
- Talc is a natural, widespread magnesium silicate Mg3[(OH)2/Si4Gio] or 3MgO 4SiO2 H2O, which is one of the three-layer (2:1) phyllosilicates, whose denser aggregates are called soapstone.
- sebum-adsorbing substances (a3) according to the invention can be selected from the group of silicas. Both hydrophilic silicas and hydrophobic silicas can be used here.
- hydrophobic silica(s) is present in excess of the hydrophilic silica(s).
- Hydrophobic:hydrophilic weight ratios of 0:1 to 10:1, preferably 2:1 to 6:1, particularly preferably 3:1 to 4:1 are preferred.
- Hydrophilic silicas used according to the invention are easily wettable with water.
- Preferred hydrophilic silicas are hydrophilic pyrogenic silicas, in particular the non-alkylated commercial products of the Aerosil® series from Evonik Degussa, in particular Aerosil®-130, Aerosil®-150, Aerosil®-200, Aerosil®-300, Aerosil®-380, as well Cabot's Cab-O-Sil series products, particularly Cab-O-Sil HS-5.
- a suitable hydrogenated silica is also available for purchase from Evonik under the trade name Sipernat 22S. This raw material is described as amorphous silica and has the CAS number 7631-86-9 or 112926-00-8.
- Hydrophobic silicas used according to the invention are alkyl-modified at least on the surface of the silica particles. They preferably contain hydrophobic groups on the surface, such as O—
- hydrophobic silicas are hydrophobic pyrogenic silicas, in particular the alkylated commercial products of the Aerosil® series from Evonik Degussa, in particular Aerosil®-R202, Aerosil®-R805, Aerosil®-R812, Aerosil®-R972 and Aerosil®-R976, as well as products from the Cab-O-Sil TS series from Cabot, in particular Cab-O-Sil TS-530.
- hydrophobic silicas are silica silylates and silica dimethyl silylates.
- Aerosil®-R972 which has a BET surface area of approximately 110 m 2 /g and has approximately 70% of the surface occupied by methylated hydroxyl groups, is also particularly preferred.
- Another sebum-adsorbing substance according to the invention is perlite.
- Perlite is a volcanic glass (obsidian).
- zeolites Important properties of zeolites are their framework and pore structure as well as the acid centers and mobile ions integrated into the framework.
- the crystal lattices of the zeolites are made up of SiO4 and AIO4 tetrahedra, each of which is linked to one another via oxygen bridges and forms rings or prisms. These in turn combine to form further secondary building units (SBU), each of which can contain up to 16 Si or Al atoms, resulting in a great variety of structures. This creates a spatial arrangement of identically constructed cavities that are accessible via windows (pore openings) or three-dimensional channel systems.
- SBU secondary building units
- the stoichiometric ratio of Si to Al (modulus) is an important parameter of zeolites. Since, according to the so-called Löwenstein rule, only SiOAl or SiOSi bridges, but never AIOAI bridges, are permitted in the zeolite lattice, the modulus never drops below 1. With each exchange of an Si 4+ by an Al 3+ ion, a localized negative charge is introduced into the crystal lattice.
- the zeolite minerals were created through hydrothermal transformation from volcanic glasses or tuff-containing deposits. Natural zeolites can be classified according to their crystal lattices:
- the synthetic zeolites are divided into narrow-, medium- and wide-pore types according to pore sizes.
- Further sebum-adsorbing substances according to the invention can be selected from the group of polylactic acids.
- Polylactic acid also called polylactide or PLA, is a name for biodegradable polymers (polyesters) that are primarily accessible through the ionic polymerization of lactide, a ring-shaped combination of two lactic acid molecules.
- Ring-opening polymerization occurs at temperatures between 140 and 180 °C and under the influence of catalytic tin compounds (e.g. tin oxide).
- catalytic tin compounds e.g. tin oxide
- tin oxide e.g. tin oxide
- Lactide itself can be produced by fermenting molasses or by fermenting glucose with the help of various bacteria.
- high molecular weight and pure polylactides can be produced directly from lactic acid using so-called polycondensation. In industrial production, however, the disposal of the solvent is problematic.
- Lactic acid (2-hydroxypropanoic acid) has an asymmetric carbon atom, so that polylactic acid also has optically active centers in the L(+) and D(-) configuration.
- the ratio of L to D monomer units determines the degree of crystallization, the melting point and the biodegradability of the polymers.
- Polylactic acids suitable according to the invention are L-polylactic acid, D-polylactic acid and L/D-polylactic acid and mixtures thereof.
- the polylactic acid is preferably used in the form of particles or in the form of a powder in the aftertreatment agent according to the invention.
- the molecular weight of the polylactic acid suitable according to the invention is preferably 1,000 to 1,000,000, preferably 10,000 to 300,000, more preferably 50,000 to 250,000 and in particular 100,000 to 180,000 daltons.
- the polylactic acid is used in a form blended with fillers.
- fillers The use of larger amounts of filler helps to break the polymer into particles, increases biodegradability and the internal specific surface area via porosity and capillarity.
- Water-soluble fillers are particularly preferred here, for example metal chlorides such as NaCl, KCl, etc., metal carbonates such as Na2CO3, NaHCOs, etc., metal sulfates such as MgS04.
- Natural raw materials can also be used as fillers, for example nut shells, wood or bamboo fibers, starch, xanthan gum, alginates, dextran, agar, etc. These fillers are biodegradable and do not impair the good ecological properties of the polylactic acid particles.
- Polylactic acid particles suitable according to the invention can be both spherical and irregular particles that have a certain circularity.
- sebum-adsorbing substances according to the invention can be selected from the group of polyamides.
- Polyamides are linear polymers with regularly repeating amide bonds along the main chain.
- the amide group can be viewed as a condensation product of a carboxylic acid and an amide.
- the resulting bond is an amide bond that can be cleaved hydrolytically.
- a suitable polyamide is, for example, nylon 6.6 polyamide with the CAS number 32131-17-2, which can be purchased under the trade name Nylon Polyamide Fiber 0.1 inch from Cellusuede Products ( Pacific Coast Chemical).
- the sebum-adsorbing substance(s) (a3) are preferably used in certain quantity ranges in the agent according to the invention. Colored strands of hair had a particularly soft and natural feel when the agent according to the invention - based on its total weight - contained one or more sebum-adsorbing substances (a3) in a total amount of 0.1 to 20.0% by weight, preferably 0. 15 to 10.0% by weight, more preferably from 0.3 to 7.5% by weight, even more preferably from 0.5 to 6.0% by weight and very particularly preferably from 1.0 to 5 .0% by weight.
- an agent according to the invention is characterized in that - based on its total weight - it contains one or more sebum-adsorbing substances (a3) in a total amount of 0.1 to 20.0% by weight, preferably 0 .15 to 10.0% by weight, more preferably from 0.3 to 7.5% by weight, even more preferably from 0.5 to 6.0% by weight and very particularly preferably from 1.0 to Contains 5.0% by weight.
- the agent described above is a ready-to-use agent that can be applied to the keratin material.
- This ready-to-use agent preferably has a low to medium water content.
- the sebum-adsorbing substance (a3) in the form of a powder, it has proven to be expedient to limit the water content of the agent to a maximum of 50.0% by weight, preferably 0.5 to 35.0% by weight, more preferably 1.0 to 20.0% by weight and particularly preferably 1.5 to 15.0% by weight. Therefore, the agents which are particularly suitable are those which - based on the total weight of the agent - contain 0.1 to 50.0% by weight, preferably 0.5 to 35.0% by weight, more preferably 1.0 to 20% by weight. 0% by weight and particularly preferably 1.5 to 15.0% by weight of water.
- an agent according to the invention is characterized in that - based on the total weight of the agent - it contains 0.1 to 50.0% by weight, preferably 0.5 to 35.0% by weight, more preferably 1.0 to 20.0% by weight and particularly preferably 1.5 to 15.0% by weight of water.
- a water content of a maximum of 15% by weight in the agent means, for example, that the amount of water in the agent that comes about through the direct use of water in the agent and/or that is introduced into the agent by the amounts of water present in the ingredients used is no more than 15% by weight.
- the amount of water in percent by weight is based on the total weight of the product.
- the agent according to the invention can additionally contain at least one solvent as an optional component.
- Suitable solvents include, for example, solvents from the group consisting of 1,2-propylene glycol, 1,3-propylene glycol, 1,2-butylene glycol, dipropylene glycol, ethanol, isopropanol, diethylene glycol monoethyl ether, glycerol, phenoxyethanol and benzyl alcohol.
- 1,2-propylene glycol is particularly preferred.
- an agent according to the invention is characterized in that it contains at least one solvent from the group consisting of 1,2-propylene glycol, 1,3-propylene glycol, ethylene glycol, 1,2-butylene glycol, dipropylene glycol, ethanol, isopropanol, diethylene glycol monoethyl ether , glycerin, phenoxyethanol and benzyl alcohol, most preferably 1,2-propylene glycol.
- 1,2-Propylene glycol is alternatively referred to as 1,2-propanediol and has the CAS numbers 57-55-6 [(RS)-1,2-dihydroxypropane], 4254-14-2 [(R)-1 ,2-Dihydroxypropane] and 4254-153 [(S)-1,2-Dihydroxypropane], Ethylene glycol is alternatively referred to as 1,2-ethanediol and has the CAS number 107-21-1.Glycerol is alternatively also referred to as 1 ,2,3-Propane triol and has the CAS number 56-81-5. Phenoxyethanol has the Cas number 122-99-6.
- a particularly stable agent can be obtained with which color results of particularly high intensity can be obtained on the keratinous material.
- the solvent or solvents are preferably contained in certain quantitative ranges in the agent according to the invention. It has proven to be preferred if the agent - based on the total weight of the agent - contains one or more solvents other than water in a total amount of 5.0 to 60.0% by weight, preferably 10.0 to 50.0 % by weight and very particularly preferably 20 to 50% by weight.
- an agent according to the invention is characterized in that - based on the total weight of the agent - it contains one or more solvents from the group consisting of 1,2-propylene glycol, 1,3-propylene glycol, ethylene glycol, 1,2 - Butylene glycol, dipropylene glycol, ethanol, isopropanol, diethylene glycol monoethyl ether, glycerin, phenoxyethanol and benzyl alcohol in a total amount of 5.0 to 60.0% by weight, preferably 10.0 to 50.0% by weight and most preferably 20 to Contains 50% by weight.
- solvents from the group consisting of 1,2-propylene glycol, 1,3-propylene glycol, ethylene glycol, 1,2 - Butylene glycol, dipropylene glycol, ethanol, isopropanol, diethylene glycol monoethyl ether, glycerin, phenoxyethanol and benzyl alcohol in a total amount of 5.0 to 60.0% by weight,
- the agent according to the invention can also contain one or more alylkene glycols.
- the agent contained at least one alkylene glycol of the formula (AG-1),
- the alkylene glycols of the formula (AG-1) are protic substances with at least two hydroxy groups, which are also referred to as polyethylene glycols due to their repeating unit -CH2-CH2-O-, provided x1 is a value of at least 2 can.
- x1 stands for an integer from 1 to 100.
- polyethylene glycols are liquid or solid, water-soluble polymers.
- Polyethylene glycols with a molecular mass between 200 g/mol and 400 g/mol are non-volatile liquids at room temperature.
- PEG 600 has a melting range of 17 to 22 °C and therefore a paste-like consistency. With molecular masses over 3000 g/mol, PEGs are solid substances and are marketed as flakes or powder.
- x1 represents an integer from 1 to 100, preferably an integer from 1 to 80, more preferably an integer from 2 to 60, even more preferably one integer from 3 to 40, even more preferably for an integer from 4 to 20 and most preferably for an integer from 6 to 15.
- an agent according to the invention is characterized in that it contains at least one alkylgen glycol of the formula (AG-1), where x1 represents an integer from 1 to 100, preferably an integer from 2 to 60, more preferably an integer from 3 to 40, even more preferably an integer from 4 to 20 and most preferably an integer Number from 6 to 15 is available.
- AG-1 alkylgen glycol of the formula (AG-1), where x1 represents an integer from 1 to 100, preferably an integer from 2 to 60, more preferably an integer from 3 to 40, even more preferably an integer from 4 to 20 and most preferably an integer Number from 6 to 15 is available.
- a particularly preferred low molecular weight polyethylene glycol is, for example, PEG-8.
- PEG-8 is alternatively referred to as PEG 400 and is commercially available, for example, from APS.
- polyethylene glycols are, for example, PEG-6, PEG-7, PEG-9 and PEG-10.
- PEG-32 is alternatively referred to as PEG 1500 and can be purchased commercially from Clariant, for example.
- the alkylene glycols of the formula (AG-2) are polyethylene glycols with a very high molecular weight, in which the index number x2 represents an integer from 1001 to 95000.
- the alkylene glycols (AG-1) and (AG-2) enable good applicability of the cosmetic agent, good color absorption of pigment (a2) and amino silicone (a3) and, in particular, the improvement of the feel of the keratin fibers.
- x2 represents an integer from 1001 to 80,000, preferably from 1400 to 40,000, more preferably from 1800 to 20,000 and very particularly preferably from 2000 to 10,000.
- an agent according to the invention is characterized in that it contains at least one alkylene glycol of the formula (AG-2),
- AG-2 where x2 represents an integer from 1001 to 80,000, preferably from 1400 to 40,000, more preferably from 1800 to 20,000 and most preferably from 2000 to 10,000.
- Particularly suitable high molecular weight polyethylene glycols are the commercial products commercially available from Dow under the trade name Polyox.
- POLYOX WSR 301 for example, is well suited; for this polyethylene glycol with the formula (AG-2), x2 stands for an average whole number of 90,000. POLYOX WSR 301 has a weight average molecular weight of 4,000,000 Daltons. POLYOX WSR N-60K, which is also alternatively known as PEG-45M, is also well suited. In this polyethylene glycol of formula (AG-2), X2 has an average value of 45,000. PEG-45M has a weight average molecular weight of 2,000,000 daltons.
- POLYOX WSR N-12K which is also alternatively known as PEG-23M, is also well suited.
- x2 represents an average integer of 23,000.
- PEG-23M has a weight average molecular weight of 1,000,000 daltons.
- POLYOX WSR-1105 is also well suited; for this polyethylene glycol with the formula (AG-2), x2 stands for an average integer of 20,454 and the weight-average molecular weight is 900,000 Daltons.
- POLYOX WSR 35 is also well suited, with this polyethylene glycol of the formula (AG-2) x2 stands for an average integer of 4500. POLYOX WSR 35 has a weight-average molecular weight of 200,000 Daltons.
- POLYOX WSR N-10 is particularly suitable; for this polyethylene glycol with the formula (AG-2), x2 stands for an average integer of 2272. POLYOX WSR N-10 has a weight-average molecular weight of 100,000 Daltons.
- the agent contained at least one alkylene glycol of the formula (AG-3), the alkylene glycol of the formula (AG-3) being a polyethylene glycol with an average molecular weight.
- alkylene glycol of the formula (AG-3) With the optionally included alkylene glycol of the formula (AG-3)
- x3 represents an integer from 101 to 1000, preferably an integer from 105 to 800, more preferably an integer from 107 to 600, even more preferably an integer from 109 to 400 and very particularly preferred for an integer from 1 10 to 200.
- an agent according to the invention is characterized in that it contains at least one alkylene glycol of the formula (AG-3), where x3 represents an integer from 101 to 1000, preferably an integer from 105 to 800, more preferably an integer from 107 to 600, even more preferably an integer from 109 to 400 and most preferably an integer Number from 1 10 to 200 stands.
- AG-3 alkylene glycol of the formula (AG-3), where x3 represents an integer from 101 to 1000, preferably an integer from 105 to 800, more preferably an integer from 107 to 600, even more preferably an integer from 109 to 400 and most preferably an integer Number from 1 10 to 200 stands.
- a particularly suitable medium molecular weight polyethylene glycol is, for example, PEG 6000, which can be obtained commercially from National Starch (China).
- the molecular weight of PEG 6000 is 6000 to 7500 g/mol, which corresponds to an x3 value of 136 to 171.
- PEG 12000 Another well-suited polyethylene glycol is PEG 12000, which is sold commercially by the company CG Chemicals, for example, under the trade name Polyethylene Glycol 12000 S (or PEG 12000 S).
- the molecular weight of PEG 12000 is given as 10500 to 15000 g/mol, corresponding to an x3 value of 238 to 341.
- PEG 20000 Another well-suited polyethylene glycol is PEG 20000, which is available from Clariant under the trade name Polyglycol 20000 P or under the alternative name PEG-350. An average molecular weight of 20,000 g/mol is given for PEG 20,000, which corresponds to a x3 value of 454.
- the alkylene glycols of the formula (AG-1), (AG-2) and/or (AG-3) are also preferably contained in certain quantitative ranges in the agent according to the invention. It has proven to be particularly advantageous if the agent - based on its total weight - contains one or more alkylene glycols, preferably one or more alkylene glycols of the formulas (AG-1), (AG-2) and / or (AG-3), in a total amount of 1.0 to 90.0% by weight, preferably from 10.0 to 80.0% by weight, more preferably from 15.0 to 70.0% by weight, and most preferably from 30 .0 to 65.0% by weight.
- an agent according to the invention is characterized in that - based on the total weight of the agent - it contains one or more alkylene glycols, preferably one or more alkylene glycols of the formulas (AG-1), (AG-2) and / or (AG-3), in a total amount of 1.0 to 90.0 wt.%, preferably from 10.0 to 80.0 wt.%, more preferably from 15.0 to 70.0 wt.% %, and most preferably from 30.0 to 65.0% by weight.
- AG-1 alkylene glycols of the formula (AG-1) in a total amount of 40 to 60.0% by weight
- one or more alkylene glycols of the formula (AG-3) in a total amount of 5.0 to 15.0% by weight.
- the agent according to the invention can also contain other active ingredients, auxiliaries and additives, such as structurants such as fat components, glucose, maleic acid and lactic acid, hair-conditioning compounds such as phospholipids, for example lecitin and cephalins; perfume oils, dimethyl isosorbide and cyclodextrins; polymers such as anionic, nonionic and cationic polymers; Surfactants such as anionic, nonionic, cationic, zwitterionic and amphoteric surfactants, fat components, fiber structure-improving active ingredients, in particular mono-, di- and oligosaccharides such as glucose, galactose, fructose, fructose and lactose; dyes for coloring the product; Anti-dandruff active ingredients such as Piroctone Olamine, Zinc Omadine and Climbazol; amino acids and oligopeptides; Animal and/or plant-based protein hydrolysates, as well as in the form of their fatty acid condensation products or optionally
- the specialist will select these other substances based on the desired properties of the products.
- additional active ingredients and auxiliary substances are preferably used in the preparations according to the invention in amounts of 0.0001 to 25% by weight, in particular 0.0005 to 15% by weight, based on the total weight of the respective agent.
- the agents described above can be used excellently in processes for dyeing keratinous material, in particular human hair.
- a second subject of the present invention is therefore a method for dyeing keratinic material, in particular human hair, in which an agent, as disclosed in detail in the description of the first subject of the invention, is applied to the keratinic fibers and, if necessary, after an exposure time of Rinse out again for 30 seconds to 45 minutes.
- a second subject of the invention is a method for dyeing keratin material, in particular human hair, comprising the following steps:
- step (1) of the method according to the invention the agent of the first subject of the invention is applied to the keratin material, which is most preferably human hair.
- step (2) of the method according to the invention the agent is then allowed to act on the keratinous material after its application.
- various exposure times of, for example, 30 seconds to 60 minutes are conceivable.
- a major advantage of the coloring system according to the invention is that an intensive color result can be achieved even in very short periods of time after short exposure times. For this reason, it is advantageous if the application mixture only remains on the keratin material for comparatively short periods of time from 30 seconds to 15 minutes, preferably from 30 seconds to 10 minutes, and particularly preferably from 1 to 5 minutes after its application.
- a method according to the invention is characterized by:
- the dye After the dye has acted on the keratin material, it can finally be rinsed out with water in step (3) of the process. It is preferred if the dye is removed from the keratin material by rinsing with water after exposure.
- the agent can only be washed out with water, i.e. without the aid of an after-treatment agent or a shampoo.
- a post-treatment agent or conditioner is also conceivable in principle.
- a method according to the invention is characterized by:
- the feel of the dry hair was evaluated by trained people.
- the color intensity of the dyed strands was assessed visually under a daylight lamp.
- the feel of the hair could be massively improved compared to the dye of comparison V. Staining with E1 and E2 led to intense color results without loss of color intensity.
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022203640.9A DE102022203640A1 (de) | 2022-04-12 | 2022-04-12 | Mittel zum Färben von keratinischem Material, insbesondere menschlichen Haaren, enthaltend mindestens ein Aminosilikon, ein Pigment und eine Sebum adsorbierende Substanz |
| PCT/EP2023/050464 WO2023198319A1 (de) | 2022-04-12 | 2023-01-10 | Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend mindestens ein aminosilikon, ein pigment und eine sebum adsorbierende substanz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4507658A1 true EP4507658A1 (de) | 2025-02-19 |
Family
ID=84982594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23700691.1A Pending EP4507658A1 (de) | 2022-04-12 | 2023-01-10 | Mittel zum färben von keratinischem material, insbesondere menschlichen haaren, enthaltend mindestens ein aminosilikon, ein pigment und eine sebum adsorbierende substanz |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4507658A1 (de) |
| DE (1) | DE102022203640A1 (de) |
| WO (1) | WO2023198319A1 (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107278148B (zh) * | 2015-02-17 | 2021-03-30 | 诺赛尔股份有限公司 | 用于在角蛋白纤维上形成薄膜的组合物 |
| FR3113240B1 (fr) * | 2020-08-10 | 2024-01-12 | Oreal | Composition comprenant au moins un silicone particulier, au moins un alcane et au moins une teinte directe et/ou au moins un pigment |
-
2022
- 2022-04-12 DE DE102022203640.9A patent/DE102022203640A1/de active Pending
-
2023
- 2023-01-10 WO PCT/EP2023/050464 patent/WO2023198319A1/de not_active Ceased
- 2023-01-10 EP EP23700691.1A patent/EP4507658A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023198319A1 (de) | 2023-10-19 |
| DE102022203640A1 (de) | 2023-10-12 |
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