KR102050225B1 - Hair cosmetic composition containing 5,6-dihydroxyindole and prooxidant - Google Patents
Hair cosmetic composition containing 5,6-dihydroxyindole and prooxidant Download PDFInfo
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- KR102050225B1 KR102050225B1 KR1020130082838A KR20130082838A KR102050225B1 KR 102050225 B1 KR102050225 B1 KR 102050225B1 KR 1020130082838 A KR1020130082838 A KR 1020130082838A KR 20130082838 A KR20130082838 A KR 20130082838A KR 102050225 B1 KR102050225 B1 KR 102050225B1
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- hair
- dihydroxyindole
- cosmetic composition
- melanin
- damaged
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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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4913—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
- A61K8/492—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid having condensed rings, e.g. indol
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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
- A61Q5/002—Preparations for repairing the hair, e.g. hair cure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/88—Two- or multipart kits
- A61K2800/882—Mixing prior to application
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Abstract
The present invention relates to a cosmetic composition for hair containing 5,6-dihydroxyindole and an oxidation promoter for supplying melanin to hair damaged by dyeing and heat treatment, and repairing damage, and more specifically, to the damaged hair. 1 agent containing 5,6-dihydroxyindole, a melanin precursor, and a second agent containing an oxidation promoter capable of oxidizing the 5,6-dihydroxyindole to produce high molecular weight melanin. It relates to a cosmetic composition for hair comprising.
Description
The present invention relates to a cosmetic composition for hair containing 5,6-dihydroxyindole and an oxidation promoter for supplying melanin to hair damaged by dyeing and heat treatment, and repairing damage, and more specifically, to the damaged hair. 1 agent containing 5,6-dihydroxyindole, a melanin precursor, and a second agent containing an oxidation promoter capable of oxidizing the 5,6-dihydroxyindole to produce high molecular weight melanin. It relates to a cosmetic composition for hair comprising.
Hair has the property of being easily damaged by the external environment. Recently, consumers recognize hair as a fashion, and hair dyeing and perm treatments are increasing, and hair is being damaged a lot by using excessive dryers, a kind of lifestyle, and ultraviolet rays as an environmental factor. As a result, the hair becomes dry and at the same time, the characteristics of the hair, such as gloss, softness, and smoothness are deteriorated, leading to an increase in complaints from consumers. In order to solve this problem, various attempts have been made through hair-related products, but this is mainly dependent on the surface of the hair, which is limited only to external characteristics such as softness and smoothness, and prevents damage to internal hair, which is the cause of fundamental damage. The research for the study has not proceeded much.
In the past, proteins and amino acids were used as repair agents for damaged hair.However, proteins are difficult to penetrate into the cuticle layer due to their high molecular weight.The amino acids are small in molecular weight, so when they meet water in the process of washing hair, they easily escape out of the hair. There was a problem that it is difficult to expect the repair efficacy of damaged hair.
Accordingly, the present inventors have studied to provide a cosmetic composition for repairing damaged hair and preventing hair damage, and as a result, the oxidizing agent and 5,6-dihydroxyindole containing 5,6-dihydroxyindole are oxidized. By separating the two agents containing an oxidation promoter capable of producing high molecular weight melanin, the stability of 5,6-dihydroxyindole, which is a melanin precursor, can be ensured, thereby stably providing the melanin component to damaged hair. The present invention has been completed by discovering that by supplying, damaged hair can be efficiently recovered.
Therefore, an object of the present invention is to provide a cosmetic composition containing 5,6-dihydroxyindole and an oxidation promoter to prevent hair damage.
In order to achieve the above object, the present invention provides a hair cosmetic composition containing 5,6-dihydroxyindole which is a melanin precursor and an oxidation promoter.
The cosmetic composition for hair according to the present invention contains an agent containing 5,6-dihydroxyindole which is a melanin precursor and an oxidation promoter capable of producing high molecular weight melanin by oxidizing 5,6-dihydroxyindole. By separating the two agents, the stability of 5,6-dihydroxyindole was ensured. In addition, when used for damaged hair, 5,6-dihydroxyindole having a low molecular weight of 1 agent penetrates into the hair to fill damaged pores and promotes oxidation by a second agent of
1 is a graph showing the tensile strength of the hair.
Figure 2 shows the change in the brightness value in order to evaluate the melanin hair penetration.
The present invention oxidizes melanin precursor 5,6-dihydroxyindole containing 5,6-dihydroxyindole and 5,6-dihydroxyindole to supply melanin to damaged hair, thereby producing high molecular weight melanin. The cosmetic composition for hair containing the 2 agent containing an accelerator.
The cosmetic composition for hair is separated from the first and second agents in a separate container or double container during storage to ensure the stability of 5,6-dihydroxyindole, and when used for damaged hair, take the same amount of the first and second agents and mix 5,6-dihydroxyindole, which has a low molecular weight of 1 agent, penetrates into the hair to fill damaged pores and promotes oxidation by 2 agents of
Hereinafter, the present invention will be described in more detail.
The 5,6-dihydroxyindole may be contained to repair hair damage, and may be contained in an amount of 0.01 to 10% by weight, and preferably 0.05 to 5% by weight, based on the total weight of the composition. When the amount of 5,6-dihydroxyindole is contained in an amount of less than 0.01% by weight, the effect of the ingredient is weak, and when contained in an amount of more than 10% by weight, 5,6-dihydroxyindole is precipitated on the formulation. This may be caused by such a problem.
The oxidation promoter is capable of producing high molecular weight melanin by oxidizing 5,6-dihydroxyindole and commonly used in hair dyes such as ammonia, monoethanolamine, aminomethylpropanol, isopropanolamine, sodium hydroxide and potassium hydroxide. The alkali agent component which can be used can be used, Preferably sodium hydroxide can be used.
The two agents containing the oxidation promoter can be used at 8 to 12, which is the pH range of the alkali, and particularly preferably used at alkaline conditions of the pH range of 8 to 11. When the pH range is less than 8, the hair cuticle is widened, and 5,6-dihydroxyindole does not easily penetrate into the hair efficiently, and 5,6-dihydroxyindole is effectively oxidized inside the hair. It is not easy to make it. In addition, when the pH range exceeds 12, it is because damage to skin proteins or skin irritation may occur.
The hair cosmetic composition may have a conventional formulation, for example, it may be formulated as a shampoo, rinse, hair treatment, hair lotion, hair serum or hair essence. The cosmetic composition for hair of each of these formulations may contain various components formulated into conventional hair cosmetic compositions according to the various formulations described above or as appropriate for the end purpose, and the types and amounts of these components can be easily selected by those skilled in the art. have.
The hair cosmetic composition may be used as a shampoo composition. According to the type of the shampoo composition can be used by adding a suitable component, a surfactant, preservatives, thickeners, viscosity regulators, pH regulators, fragrances, dyes, hair conditioners and water can be added.
The surfactant may be an anionic surfactant or an amphoteric surfactant, because it is superior in cleaning power and excellent foaming power compared to nonionic / cationic surfactant. Specifically, the anionic surfactant is in the group consisting of sodium laureth sulfate, sodium lauryl sulfate, sodium lauryl sulfate, ammonium laureth sulfate, and ammonium lauryl sulfate One or more species may be used, but the present invention is not limited thereto, and the amphoteric surfactant may be cocamidopropyl betaine or cocamidopropyl hydroxide sulphate. The surfactant may be contained in 5 to 50% by weight based on the total weight of the composition, preferably 20 to 40% by weight. If the surfactant is contained in an amount of less than 5% by weight, solubilization and cleaning effect of the oil by the component is weak, when contained in an amount of more than 50% by weight there is a problem of skin stability or formulation.
The optional ingredients used in the compositions of the present invention are well known to those skilled in the art as customary optional ingredients for maintaining basic physical properties and quality. The optional components include pulping agents, preservatives, viscosity regulators, pH regulators, fragrances, dyes, hair conditioning agents and the like.
As the pulping agent, glycol distearate, glycol monostearate, fatty acids, etc. may be used, and the preservatives include methyl paraoxybenzoate, propyl paraoxybenzoate, sodium benzoate, methylchloroisothiazolinone and It may be used one or more in the group consisting of methyl isothiazolinone and the like, but is not limited thereto.
The viscosity adjusting agent may be used an amide nonionic surfactant such as cocamide M, cocamide die, sodium chloride, and the like as the pH regulator may be used sodium phosphate, disodium phosphate, citric acid, sodium citrate, etc. have.
As the hair conditioner, a dimethicone base and a cationic polymer may be used alone or in combination of two or more thereof.
Hereinafter, the present invention will be described in more detail with reference to Examples and Test Examples, but it will be apparent to those skilled in the art that the present invention is not limited to these Examples and Test Examples, and may be universally applied to hair-related products.
Reference Example 1 Preparation of Shampoos of Comparative Examples 1 to 3 and Examples
The shampoos of Examples and Comparative Examples were prepared in a conventional manner according to the compositions shown in Table 1 below (unit: wt%). In the preparation, the oxidation promoter was used sodium hydroxide, the surfactant was used sodium laureth sulfate, the manufacturing process is as follows.
After dispersing polyquaternium-10 in purified water and adding surfactant, damaged hair repair ingredient (first agent) and alkalizing agent (second agent), shampoo was prepared by adding fragrance and sodium chloride.
[1,000 Dalton or less]
Hydrolyzed wheat protein and the amino acid arginine are generally known as damaged hair repair materials, and their efficacy was compared with the present composition.
Comparative Examples 1 to 3 are used alone (3 g), but the Example 5 is used in only one agent because the same amount of one agent (1.5 g) and two agents (1.5 g) is used in a 1: 1 ratio. Sodium hydroxide in the dihydroxyindole and the second agent is reduced by half in the same amount based on the total weight of the composition (3g).
Reference Example 2 Hair Decolorization and Treatment
3 g of standard hair was applied evenly with a mixture of bleach powder and oxidizing agent (hydrogen peroxide), left for 30 minutes, and washed with 8% sodium lauryl sulfate solution. The procedure was repeated three times to decolorize the hair. Thus, 3 g of the decolorized hair thus obtained were repeatedly used for 30 minutes at 30 ° C. and 40% humidity for 24 hours after repeated use for 1 minute with Example 1 (1.5 g of first agent and 1.5 g of second agent) and 3 g of Comparative Examples 1 to 3 shampoo. After that, the tensile strength evaluation and the hair brightness was evaluated.
Test Example 1 Evaluation of Tensile Strength
In order to evaluate the effect of Comparative Examples 1 to 3 and Examples described in Table 1 on the strength of the hair, the tensile strength of the decolored and treated hair was measured by the following method. 10 hairs each having a thickness of 80 ± 10 μm were collected from Comparative Hairs treated with Comparative Examples 1 to 3 and Example 1 treated hairs as in Reference Example 2, respectively, and used as a rheometer (Rheometer, CR-500DX, SUN Scientific CO., LTD., Japan) and measured the magnitude of the force when the hair breaks while pulling at a speed of 20 mm / min. After repeating five or more times in the same manner, the strength of the hair was measured by averaging the obtained numerical values. The results are shown in Table 2.
As can be seen from the results of Table 2 and FIG. 1, the tensile strength of the hair treated with the example containing 5,6-dihydroxyindole and sodium hydroxide according to the present invention was higher than that of the hair treated with Comparative Examples 1-3. It can be seen that large. In addition, it can be seen that the hair treated in the Example is significantly larger than the tensile strength of the hair treated in Comparative Example 1 simultaneously containing 5,6-dihydroxyindole and sodium hydroxide. Therefore, the hair cosmetic composition treated by separating 5,6-dihydroxyindole and the oxidation promoter increases the strength of the hair, and it was confirmed that the damaged hair can be efficiently recovered.
Test Example 2 Evaluation of Brightness of Hair
In order to evaluate melanin's hair penetration, changes in brightness values of the bleached hairs before and after Comparative Examples 1 to 3 and Example treatment described in Table 1 were measured using a colorimeter (Hunterlab Labscan EX). The results were compared using the change in brightness value ΔL * (initial L * value-L * value after treatment), and the larger the ΔL * value, the darker the hair brightness was. Therefore, the larger the ΔL * value, the more effective the hair penetration of the melanin component.
As can be seen from the results of Table 3 and FIG. 2, the hair treated in the examples containing 5,6-dihydroxyindole and sodium hydroxide according to the present invention was compared to the hairs treated in Comparative Examples 1 to 3, respectively. It can be seen that the change in brightness value is large. In addition, it can be seen that the amount of change in brightness value is significantly larger than the hair treated in Comparative Example 1 containing 5,6-dihydroxyindole and sodium hydroxide at the same time. Therefore, it was confirmed that the hair cosmetic composition treated by separating 5,6-dihydroxyindole and an oxidation promoter can effectively repair damaged hair by infiltrating the melanin component effectively.
Claims (6)
The 5,6-dihydroxyindole and the oxidation promoter is a hair cosmetic composition, characterized in that separated into a separate container or double container.
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KR1020130082838A KR102050225B1 (en) | 2013-07-15 | 2013-07-15 | Hair cosmetic composition containing 5,6-dihydroxyindole and prooxidant |
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Cited By (1)
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KR20240032562A (en) | 2022-09-02 | 2024-03-12 | 주식회사 코스모코스 | Cosmetic composition for promoting melanin synthesis |
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FR2659228B1 (en) * | 1990-03-08 | 1994-10-14 | Oreal | PROCESS FOR DYEING KERATINIC FIBERS WITH 6 OR 7-MONOHYDROXY-INDOLES WITH ACID PH AND COMPOSITIONS USED THEREOF. |
JP2002255765A (en) | 2001-03-05 | 2002-09-11 | Kao Corp | Hair dye composition |
JP2007326810A (en) * | 2006-06-07 | 2007-12-20 | Kao Corp | One-pack type hair dye composition |
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KR20240032562A (en) | 2022-09-02 | 2024-03-12 | 주식회사 코스모코스 | Cosmetic composition for promoting melanin synthesis |
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