GB2571597A - Hair bleaching agent with methionine - Google Patents

Hair bleaching agent with methionine Download PDF

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Publication number
GB2571597A
GB2571597A GB1817174.4A GB201817174A GB2571597A GB 2571597 A GB2571597 A GB 2571597A GB 201817174 A GB201817174 A GB 201817174A GB 2571597 A GB2571597 A GB 2571597A
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weight
agent
tetrasodium
hair treatment
hair
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GB201817174D0 (en
GB2571597B (en
Inventor
Scheunemann Volker
Schulze-Zur-Wiesche Erik
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A61K8/447—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof containing sulfur
    • 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
    • A61K8/23—Sulfur; Selenium; Tellurium; Compounds thereof
    • 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
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • 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
    • A61Q5/08—Preparations for bleaching the hair
    • 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
    • A61Q5/10—Preparations for permanently dyeing the hair

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

Hair treatment agents which contain from 0.0001 to 20 % by weight methionine and at least one persulfate (5 to 60 % by weight), can improve the sensory and mechanical properties of the hair after an oxidative treatment, without negatively influencing the lightening result. Furthermore, particularly good lightening results are attained with the bleaching agent. Preferably the persulfate is selected from ammonium or sodium or potassium peroxomonosulfate or ammonium or sodium or potassium peroxodisulfates. In some embodiments the agent also contains a chelating/complexing agent selected from GLDA, EDTA, IDS, EDDS, HEDTA or DTPA. In other embodiments, a particulate alkalizing agent chosen from ammonium, alkali metals or alkaline earth metal hydroxides, carbonates, hydrogen carbonates, hydroxycarbonates, carbamides or silicates. Preferably the alkalizing agent is hydrated silicate. Methods creating a bleaching agent using the treatment agent and methods for bleaching hair using the formed agent are also disclosed.

Description

HAIR BLEACHING AGENT WITH METHIONINE
TECHNICAL FIELD [0001] The present invention relates to agents for oxidative colour changing in the field of cosmetics which are suitable in particular for lightening keratin fibres, in particular human hair.
BACKGROUND [0002] The oxidising agents contained in hair bleaching agents are capable of lightening hair fibres by oxidative destruction of the hair’s own melanin dye. For a moderate hair-bleaching effect it is sufficient to use hydrogen peroxide - optionally with the use of ammonia or other alkalising agents - as the only oxidising agent; to achieve a stronger hair-bleaching effect it is usual to use a mixture of hydrogen peroxide and peroxodisulfate salts and/or peroxomonosulfate salts.
[0003] For stability reasons, commercially available hair-bleaching agents are usually offered in two preparations packaged separately from one another, which are mixed together immediately before use to provide a completed preparation for use. Commercially available hair bleaching agents usually consist of a liquid oxidising agent preparation and a powder that contains solid oxidising agents. Products with further components are likewise offered on the market.
[0004] The oxidative treatment of keratin fibres leads not only to the desired lightening result, but also loads the fibres and can damage the fibre structure in the worst case. In order to minimise these negative effects, nourishing substances are used in conventional hair bleaching agents and have repairing and conditioning effects. For example document WO 2014/183882 Al for example describes hair bleaching agents that contain keratin hydrolysate(s) and/or silicone oils as nourishing substances.
SUMMARY
Aspects and embodiments of the invention are defined in the appended claims.
DETAILED DESCRIPTION [0005] There exists a need for powerful hair bleaching agents that contain one or more nourishing substances that can compensate for the damage to the hair structure caused by the oxidising agent and for example improve the feel or the combability of the hair after the bleaching.
[0006] It has now surprisingly been found that a bleaching agent containing methionine can improve the sensory and mechanical properties of the hair following an oxidative treatment without negatively influencing the lightening result. Furthermore, good lightening results are attained with the bleaching agent.
[0007] A first subject matter of the present invention is a hair treatment agent containing in relation to its weight -
a) from about 0.0001 to about 20 % by weight methionine;
b) at least one persulfate [0008] Keratinous fibres or also keratin fibres are to be understood here to mean furs, wool, feathers and in particular human hair. Although the agents are suitable primarily for the dyeing of keratin fibres, there is nothing in principle against use also in other fields.
[0009] The hair treatment agents contain methionine. This is preferably used within relatively narrow amount ranges, wherein hair treatment agents according to the invention, which contain - in relation to their weight - a total amount of from about 0.0005 to about 15 % by weight, preferably from 0.001 to about 10 % by weight, more preferably from about 0.005 to about7.5 % by weight, and in particular from about 0.01 to about 2 % by weight of methionine are preferred.
[0010] As further essential ingredient the agents according to the invention contain at least one persulfate. Suitable persulfate salts are inorganic peroxo compounds. These are preferably selected from ammonium peroxodi sulfate, alkali metal peroxodi sulfates, ammonium peroxomonosulfate, alkali metal peroxomonosulfates, alkali metal peroxodiphosphates and/or alkaline earth metal peroxides. Ammonium peroxodi sulfate and/or alkali metal peroxodisulfates are particularly preferred.
[0011] In a preferred embodiment of the present invention preparation (A) contains, as persulfate salt, at least one peroxodi sulfate salt, in particular selected from ammonium peroxodi sulfate and/or potassium peroxodi sulfate and/or sodium peroxodi sulfate and/or potassium hydrogen peroxomonosulfate.
[0012] It has also proven particularly preferable if the preparations (A) contain at least two different peroxodi sulfates. Preferred peroxodi sulfate salts here are combinations of ammonium peroxodisulfate with potassium peroxodi sulfate and/or sodium peroxodisulfate.
[0013] Hair treatment agents that are preferred in accordance with the invention contain in relation to their weight - from about 5 to about 60 % by weight, preferably from about 10 to about 55 % by weight, particularly preferably from about 15 to about 50 % by weight, and in particular from about 20 to about 45 % by weight of at least one persulfate, selected from ammonium peroxodi sulfate and/or potassium peroxodi sulfate and/or sodium peroxodi sulfate and mixtures of these compounds.
[0014] Hair treatment agents that are likewise preferred in accordance with the present invention contain - in relation to their weight - from about 5 to about 60 % by weight, preferably from about 10 to about 55 % by weight, particularly preferably from about 15 to about 50 % by weight, and in particular from about 20 to about 45 % by weight of at least one persulfate, selected from sodium peroxomonosulfate and/or potassium peroxomonosulfate and/or ammonium peroxomonosulfate and mixtures of these compounds.
[0015] The agents according to the invention can preferably comprise at least two preparations (A) and (B) packaged separately from one another and optionally a further preparation (C) packaged separately from (A) and (B), which are mixed immediately prior to use to form a ready-for-use mixture. Here,
i) preparation (A) contains at least one persulfate salt, and, ii) preparation (B) contains hydrogen peroxide.
[0016] The preparations (A) are preferably powdery. Here, powders formed of solid constituents having different particle sizes can be used. It can usually be preferred, however, if the powders have the most homogeneous grain size possible, in particular so as to facilitate uniform dispersion or dissolution of the powder in the preparations (B).
[0017] The preparations (A) can contain the active substances in a solid cosmetic carrier. A solid cosmetic carrier can contain salts of silica, in particular salts of silicates and metasilicates with ammonium, alkali metals and alkaline earth metals. In particular metasilicates in accordance with formula SiO2)n(M2O)m, wherein M stands for an ammonium ion, an alkali metal or a half stoichiometric equivalent of an alkaline earth metal, which are characterised by the ratio between n and m of < 1 and can be interpreted as chain-like polymer structures of the anion [SiCh]2, can preferably be used. Sodium metasilicate of formula [Na2SiCh] is particularly preferred here. Silicates that are formed from a silicate of formula (SiO2)n(Na2O)m(K2O)Pare equally preferred, wherein n stands for a positive rational number and m an p independently of one another stand for a positive rational number or for 0, with the proviso that at least one of the parameters m or p is different from 0 and the ratio between n and the sum of m and p lies between 2:1 and 4:1.
[0018] Furthermore, the solid cosmetic carriers can contain what are known as trickle aids, which are intended to prevent a clumping or sticking of the powder constituents. Waterinsoluble, hydrophobising or moisture-absorbing powders of diatomaceous earth, pyrogenic silicas, calcium phosphate, calcium silicates, aluminium oxide, magnesium oxide, magnesium carbonate, zinc oxide, stearates, fatty amines, and the like are preferred potential trickle aids of this kind. Lastly, the solid cosmetic carriers can also additionally contain a dedusting agent, which prevents dust formation of the powdered constituents. In particular, inert oils can be used for this purpose. The solid cosmetic carriers preferably contain ester oils or mineral oils, preferably hydrocarbon oils, such as liquid paraffin oil, as dedusting agent.
[0019] The preparations (B) and optionally (C) contain the active substances preferably in a flowable, cosmetic carrier. The base of the flowable, cosmetic carrier is preferably aqueous or aqueous-alcoholic. For the purpose of hair bleaching, such carriers are for example transparent gels or also surfactant-containing foaming solutions, such as shampoos, foam aerosols or other preparations suitable for application to the hair. A preferred, flowable carrier in the sense of the invention contains at least 40 % by weight, in particular at least 50 % by weight water. Aqueous-alcoholic carriers in the sense of the present invention are understood to be aqueous compositions containing from about 3 to about 70 % by weight of a C1-C4 alcohol, in particular ethanol or isopropanol. The preparations (B) and optionally (C) can each contain additionally further organic solvents, such as methoxybutanol, ethyldi glycol, 1,2-propyleneglycol, n-propanol, n-butanol, nbutyleneglycol, glycerol, diethylene glycol monoethyl ether, and diethylene glycol monon-butyl ether. All water-soluble organic solvents are preferred here.
[0020] The preparations (B) contain hydrogen peroxide as oxidising agent.
[0021] The concentration of a hydrogen peroxide solution in the preparation (B) is determined on the one hand by the legal requirements and on the other hand by the desired effect.
[0022] The preparations (B), in relation to their weight, contain hydrogen peroxide in amounts of from about 0.5 to about 30 % by weight, preferably from about 1 to about 20 % by weight, particularly preferably from about 5 to about 15 % by weight, and in particular preferably from about 6 to about 12 % by weight, explicitly from about 6, 7, 8, 9, 10, 11 or about 12 % by weight.
[0023] Preferred ready-to-use agents are characterised in that they contain, in relation to the total weight of the ready-to-use agent, from about 0.01 to about 12 % by weight, preferably from about 0.1 to about 10 % by weight, particularly preferably from about 3 to about 9 % by weight hydrogen peroxide.
[0024] In order to stabilise the hydrogen peroxide the pH value of the preparation (B) can be set to from about pH 3 to about 5, particularly preferably to from about pH 3.5 to about 4.5 and particularly preferably to from about pH 3.8 to about 4.2.
[0025] The agents according to the invention - in particular in the case of two separately packaged agents in the preparation B - can contain complexing agents. Here, the agents according to the invention can contain conventional and widespread complexing agents, such as tetrasodium ethylenediaminetetraacetate (EDTA), tetrasodium ethylenediaminedisuccinic acid (EDDS) or trisodium hydroxyethylethylenediaminetriacetic acid (HEDTA). The use of special complexing agents, such as tetrasodium-7V,7V-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA), pentasodium diethylene triaminepentaacetate (DTPA) and tetrasodium iminodi succinate (IDS) is possible and preferred. Hair treatment agents that are preferred in accordance with the invention thus preferably contain from about 0.001 to about 20 % by weight- in relation to their weight - of complexing agents from the group tetrasodium-Af,A-bis(carboxylatomethyl)-I.-glutamate (Tetrasodium Glutamate Diacetate, GLDA), pentasodium diethylenetriaminepentaacetate (DTPA), tetrasodium iminodi succinate (IDS), tetrasodium ethylenediaminetetraacetate (EDTA), tetrasodium ethylenediaminedisuccinic acid (EDDS), trisodium hydroxyethylethylenediaminetriacetic acid (HEDTA).
[0026] Hair treatment agents that are particularly preferred in accordance with the invention are characterised in that they contain - in relation to their weight - from about 0.001 to about 20 % by weight, preferably from about 0.005 to about 15 % by weight, preferably from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of complexing agent from the group
a. tetrasodium-7V,7V-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA),
b. pentasodium diethylenetriaminepentaacetate (DTPA) nr §
Nr ,/ r
J
SSJ'-' Λ O'
c. tetrasodium iminodi succinate (IDS)
Na*
Na*
Ns*
Ns* [0027] Hair treatment agents that are preferred in accordance with the invention are characterised in that they contain - in relation to their weight - from about 0.005 to about 15 % by weight, preferably from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of tetrasodium-7V,7V-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA).
[0028] Hair treatment agents that are likewise preferred in accordance with the invention are characterised in that they contain - in relation to their weight - from about 0.005 to about 15 % by weight, preferably from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of pentasodium diethylenetriaminepentaacetate (DTPA).
[0029] Hair treatment agents that are likewise preferred in accordance with the invention are characterised in that they contain - in relation to their weight - from about 0.005 to about 15 % by weight, preferably from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of tetrasodium iminodi succinate (IDS).
[0030] Hair treatment agents that are likewise preferred in accordance with the invention are characterised in that they contain - in relation to their weight - from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of tetrasodium-Af,Afbis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA) and from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of pentasodium di ethyl enetri aminepentaacetate (D TP A).
[0031] Hair treatment agents that are likewise preferred in accordance with the invention contain - in relation to their weight - from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of tetrasodium-Af,A-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA) and from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight tetrasodium iminodi succinate (IDS).
[0032] Hair treatment agents that are likewise preferred in accordance with the invention contain - in relation to their weight - from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of pentasodium diethylenetriaminepentaacetate (DTP A) and from about 0.01 to about 10 % by weight, more preferably from about 0.05 to about 7.5 % by weight, and in particular from about 0.1 to about 5 % by weight of tetrasodium iminodi succinate (IDS).
[0033] Hair treatment agents that are likewise preferred in accordance with the invention contain - in relation to their weight - from about 0.1 to about 5 % by weight of tetrasodium-Af,A-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate,
GLDA) and from about 0.1 to about 5 % by weight pentasodium diethylenetriaminepentaacetate (DTPA) and from about 0.1 to about 5 % by weight tetrasodium iminodi succinate (IDS).
[0034] As already mentioned, the agents according to the invention can contain alkalising agent - in particular in the case of two separately packaged agents in the preparation A.
[0035] Hair treatment agents that are preferred in accordance with the invention contain at least one particulate alkalising agent selected from ammonium, alkali metal, and alkaline earth metal hydroxides, carbonates, hydrogen carbonates, hydroxy carbonates, carbamides, silicates, in particular metasilicates, and alkali phosphates.
[0036] Hair treatment agents that are particularly preferred in accordance with the invention contain, as particulate alkalising agent, at least one optionally hydrated silicate of formula (SiO2)n(Na2O)m(K2O)p, wherein n stands for a positive rational number and m and p stand independently of one another for a positive rational number or for 0, with the proviso that at least one of the parameters m or p is different from 0 and the ratio between n and the sum of m and p is between 1:4 and 4:1.
[0037] A further subject of the present invention is a method for producing a bleaching agent for keratinous fibres, in particular human hair, in which an oxidising agentcontaining aqueous composition is mixed with an agent according to the invention.
[0038] A further subject of the present invention is a method for hair treatment, in which an agent according to the invention is mixed with an oxidising agent-containing aqueous composition and is then applied to dry or moist hair and is left there for a period of from about 1 to about 90 minutes and is then rinsed out.
[0039] In respect of preferred embodiments of the method according to the invention, that which has been said in respect of the agents according to the invention also applies, mutatis mutandis.
[0040] The following numbered statements form part of the present disclosure:
1. A hair treatment agent containing - in relation to its weight -
a) 0.0001 to 20 % by weight methionine;
b) at least one persulfate
2. The hair treatment agent according to 1, characterised in that it contains - in relation to its weight - a total amount of from 0.0005 to 15 % by weight, preferably 0.001 to 10 % by weight, more preferably 0.005 to 7.5 % by weight, and in particular 0.01 to 2 % by weight methionine.
3. The hair treatment agent according to either one of the preceding points, characterised in that it contains - in relation to its weight - 5 to 60 % by weight, preferably 10 to 55 % by weight, particularly preferably 15 to 50 % by weight, and in particular 20 to 45 % by weight of at least one persulfate, selected from ammonium peroxodi sulfate and/or potassium peroxodi sulfate and/or sodium peroxodisulfate and mixtures of these compounds.
4. The hair treatment agent according to any one of the preceding points, characterised in that it contains - in relation to its weight - 5 to 60 % by weight, preferably 10 to 55 % by weight, particularly preferably 15 to 50 % by weight, and in particular 20 to 45 % by weight of at least one persulfate, selected from sodium peroxomonosulfate and/or potassium peroxomonosulfate and/or ammonium peroxomonosulfate and mixtures of these compounds.
5. The hair treatment agent according to any one of the preceding points, characterised in that it contains - in relation to its weight - 0.001 to 20 % by weight of a complexing agent from the group of tetrasodium-7V,7V-bis(carboxylatomethyl)L-glutamate (Tetrasodium Glutamate Diacetate, GLDA), pentasodium diethylenetriaminepentaacetate (DTP A), tetrasodium iminodi succinate (IDS), tetrasodium ethylenediaminetetraacetate (EDTA), tetrasodiumethylenediaminedisuccinic acid (EDDS), trisodium hydroxy ethylethylenediaminetriacetic acid (HEDTA).
6. The hair treatment agent according to any one of the preceding points, characterised in that it contains - in relation to its weight - 0.001 to 20 % by weight, preferably 0.005 to 15 % by weight, preferably 0.01 to 10 % by weight, more preferably 0.05 to 7.5 % by weight, and in particular 0.1 to 5 % by weight of complexing agent from the group
d.
tetrasodium-JV/V-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Di acetate, GLDA),
O'Na*
V •S'
e.
δ .. /o .Na γ
O pentasodium diethylenetriaminepentaacetate (DTPA) o k
K,
Ws ,SQ*
Niti , 7
Ns* 6
Na*
Λ S
M
W
Niti O'
f. tetrasodium iminodi succinate (IDS)
Na'
Nar
7. The hair treatment agent according to any one of the preceding points, characterised in that it contains at least one particulate alkalising agent, selected from ammonium, alkali metal and alkaline earth metal hydroxides, carbonates, hydrogen carbonates, hydroxycarbonates, carbamides, silicates, in particular metasilicates, and alkali phosphates.
8. The hair treatment agent according to any one of the preceding points, characterised in that it contains, as particulate alkalising agent, at least one optionally hydrated silicate of formula (SiO2)n(Na2O)m(K2O)P, wherein n stands for a positive rational number and m and p stand independently of one another for a positive rational number or for 0, on the proviso that at least one of the parameters m or p is different from 0 and the ratio between n and the sum of m and p is between 1:4 and 4:1.
9. A method for producing a bleaching agent for keratinous fibres, in particular human hair, in which an oxidising agent-containing aqueous composition is mixed with an agent according to any one of points 1 to 8.
10. A method for hair treatment, characterised in that an agent according to any one of points 1 to 8 is mixed with an oxidising agent-containing aqueous composition and is then applied to dry or moist hair, is left there for a period of 1 to 90 minutes, and is then rinsed out.

Claims (7)

1. A hair treatment agent containing - in relation to its weight -
a) from about 0.0001 to about 20 % by weight methionine;
b) at least one persulfate.
2. The hair treatment agent according to claim 1, wherein the agent contains - in relation to its weight - a total amount of from about 0.0005 to about 15 % by weight methionine.
3. The hair treatment agent according to either one of the preceding claims, wherein the agent contains - in relation to its weight - from about 5 to about 60 % by weight of at least one persulfate.
4. The hair treatment agent of any preceding claim, wherein the persulfate is selected from ammonium peroxodi sulfate and/or potassium peroxodi sulfate and/or sodium peroxodisulfate and mixtures of these compounds.
5. The hair treatment agent of any preceding claim, wherein the persulfate is selected from sodium peroxomonosulfate and/or potassium peroxomonosulfate and/or ammonium peroxomonosulfate and mixtures of these compounds.
6. The hair treatment agent according to any one of the preceding claims, wherein the agent contains - in relation to its weight - from about 0.001 to about 20 % by weight of a complexing agent from the group of tetrasodium-A/Abis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA), pentasodium diethylenetriaminepentaacetate (DTPA), tetrasodium iminodi succinate (IDS), tetrasodium ethylenediaminetetraacetate (EDTA), tetrasodium-ethylenediaminedisuccinic acid (EDDS), trisodium hydroxy ethylethylenediaminetriacetic acid (HEDTA).
7.
The hair treatment agent according to any one of the preceding claims, wherein the agent contains - in relation to its weight - from about 0.001 to about 20 % by weight of complexing agent from the group:
tetrasodium-7V,7V-bis(carboxylatomethyl)-L-glutamate (Tetrasodium Glutamate Diacetate, GLDA),
GB1817174.4A 2017-10-24 2018-10-22 Hair bleaching agent with methionine Active GB2571597B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017218967.3A DE102017218967A1 (en) 2017-10-24 2017-10-24 Blonding agent with methionine

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GB2571597A true GB2571597A (en) 2019-09-04
GB2571597B GB2571597B (en) 2022-02-09

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FR (1) FR3072573B1 (en)
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CN111250535B (en) * 2020-02-18 2021-10-26 四川省冶勘设计集团有限公司 Heavy metal composite contaminated site soil remediation method
FR3130148B1 (en) * 2021-12-15 2024-02-02 Oreal Use of a particular carboxylic acid or its salts to repair and/or prevent breakage of keratin fibers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016139119A1 (en) * 2015-03-04 2016-09-09 Henkel Ag & Co. Kgaa Bleaching agents having methionyl methionine
US20170165161A1 (en) * 2015-12-14 2017-06-15 Henkel Ag & Co. Kgaa Oxidizing agent for the oxidative coloring and blonding treatment of keratin fibers having a reduced damaging effect

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209098A1 (en) 2013-05-16 2014-11-20 Henkel Ag & Co. Kgaa transparent bleaching agents with proteins and / or silicone oils

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016139119A1 (en) * 2015-03-04 2016-09-09 Henkel Ag & Co. Kgaa Bleaching agents having methionyl methionine
US20170165161A1 (en) * 2015-12-14 2017-06-15 Henkel Ag & Co. Kgaa Oxidizing agent for the oxidative coloring and blonding treatment of keratin fibers having a reduced damaging effect

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FR3072573A1 (en) 2019-04-26
FR3072573B1 (en) 2021-03-19
DE102017218967A1 (en) 2019-04-25
GB201817174D0 (en) 2018-12-05
GB2571597B (en) 2022-02-09

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