KR101813477B1 - Pigment composition, coloring hydrogel composition, coloring hydrogel sheet and menufacturing method of coloring hydrogel composition - Google Patents
Pigment composition, coloring hydrogel composition, coloring hydrogel sheet and menufacturing method of coloring hydrogel composition Download PDFInfo
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- KR101813477B1 KR101813477B1 KR1020150133419A KR20150133419A KR101813477B1 KR 101813477 B1 KR101813477 B1 KR 101813477B1 KR 1020150133419 A KR1020150133419 A KR 1020150133419A KR 20150133419 A KR20150133419 A KR 20150133419A KR 101813477 B1 KR101813477 B1 KR 101813477B1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B61/00—Dyes of natural origin prepared from natural sources, e.g. vegetable sources
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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
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
Abstract
The present invention relates to a pigment composition, a colored hydrogel composition, a colored hydrogel sheet, and a method for producing a colored hydrogel composition, and more particularly to a Lawsonia inermis powder; An organic acid and a surfactant; Essential oils; And a solvent, a colored hydrogel composition containing the same, a colored hydrogel sheet using the same, and a method for producing a colored hydrogel composition.
Description
The present invention relates to a pigment composition, a colored hydrogel composition, a colored hydrogel sheet and a method for producing a colored hydrogel composition.
A hydrogel is a material having a three-dimensional hydrophilic polymer network structure using purified water as a dispersion medium and capable of absorbing a large amount of water and has the same flexibility as a natural tissue. Due to these characteristics, application fields such as wound dressings, contact lenses, medicines or cosmetic delivery media, implants, wastewater treatment agents and the like have been diversified.
In addition, hydrogels have the advantage of being able to add new functions such as controlled release, which can control the delivery of the substances contained therein, and pH, temperature, electric field, and irritation that is stimulated by light, have.
Hydrogels with these properties have a structure similar to that of the human body and are widely used in various pharmaceutical industries as well as cosmetics and medical care since they have inert biocompatibility, elasticity like rubber, and excellent permeability of oxygen and nutrients .
In recent years, a mask pack has been developed which is improved in moisturizing, nutritional supply or exfoliation effect by utilizing elasticity, skin adhesion, and soft touch of such hydrogel.
On the other hand, the naphthoquinone dye combines with keratin, which is the main component of hair, to form a color film outside the hair, thereby protecting the hair damaged by dyeing or perming. In particular, it gives a bright color when used in a hair dye . It is also characterized by its ability to bind to human proteins, resulting in fewer genetic damage to the human body and its ability to be used in tattoos and cosmetics.
A tropical shrub called Lawsonia inermis and a naphthoquinone pigment, which is present in the leaves of the tree, are generally powder products made by drying the leaf. Lawsonia inermis, a unique herb-like herb that smells like mugwort, grows indigenously in tropical regions such as India, North Africa, Pakistan, Nepal, Sri Lanka, Iran and southern China, and grows from 1m to 3m after seeding. Leaves have also been used as preventive agents for skin diseases, and there is evidence that they have excellent efficacy in jaundice, spleen hypertrophy, and stones. It has also been reported to be effective as an anti-inflammatory, antipyretic, and analgesic agent, and has been known to have antibacterial and antimicrobial activities.
Lawsonia inermis is usually stored in powder and used by mixing with water and applying it to the skin that you want to penetrate. Lawsonia inermis is harmless to the human body and, although it is long-lasting if it is applied properly, it is used in a liquid state mixed with water in spite of its many applications. Therefore, Therefore, there is a problem that it is inconvenient to use, and there is a problem that it is always handled with care due to difficulties in storage and handling.
One aspect of the present invention relates to a method for effectively extracting a naphthoquinone dye present in a plant, supplying a nutritional ingredient to the skin using a colored hydrogel composition containing the extracted dye, , A hydrogel sheet containing the same, a hydrogel sheet using the same, and a process for producing the same.
One embodiment of the present invention is a powder of Lawsonia inermis; An organic acid and a surfactant; Essential oils; And a solvent.
It is preferable that the Losenizer mist powder includes 2-hydroxy-1,4-naphthoquinone.
The organic acid may be selected from the group consisting of glyconic acid, lactic acid, It is preferably at least one selected from the group consisting of malic acid, succinic acid, caffeic acid, tartaric acid, lemon juice, vinegar and citric acid.
The surfactant may be selected from the group consisting of an ester type nonionic surfactant of polyhydric alcohol and fatty acid, a nonionic surfactant of aliphatic polyoxyethylene polymerization type, a polyoxyethylene ether nonionic surfactant of sorbitan ester, a polyoxyethylene ether At least one selected from the group consisting of a nonionic surfactant, a polyoxyethylene ether nonionic surfactant, an alkaline anionic surfactant and a neutral anionic surfactant.
The essential oils may be selected from the group consisting of grapefruit oil, neroli oil, nihalil oil, lavender oil, lime oil, lemon oil, lemongrass oil, lemon balm (Melissa) oil, rose oil, rosemary oil, rosewood oil, But are not limited to, oils, mandarin oil, myrtle oil, myrrh oil, violet oil, basil oil, verbena oil, birch oil, bergamot oil, bay oil, vetiver oil, benzoin oil, cypress oil, sandalwood oil, cinnamon oil, Jasmine oil, juniper oil, juniper berry oil, ginger oil, cardamom oil, chamomile oil, kuyut foot oil, camper oil, clarify oil, time oil, citronella oil, citronella oil, orange oil, eucalyptus oil, ylang ylang oil, Oil, tangerine oil, tea tree oil, horse radish oil, parsley oil, petitgrain oil, peppermint oil, frankincense o It is at least one selected from the group consisting of and hisop oils are preferred.
The solvent is preferably at least one selected from the group consisting of water, an anhydrous or a lower alcohol having 1 to 4 carbon atoms, acetone, ethyl acetate, chloroform, 1,3-butylene glycol and propylene glycol.
The coloring composition comprises 10 to 30% by weight of Lawsonia inermis powder based on the total weight of the coloring composition; From 10 to 50% by weight of at least one selected from the group consisting of organic acids and surfactants; 1 to 5% by weight of essential oils; And 30 to 70% by weight of a solvent.
Another embodiment of the present invention comprises a gelling mixture and a coloring composition, wherein the coloring composition comprises the Lawsonia inermis powder; An organic acid and a surfactant; Essential oils; And a colorant composition comprising a solvent.
The weight ratio of the gelled mixture to the colorant composition is preferably from 10:90 to 90:10.
It is preferable that the gelled mixture includes a skin active ingredient, a polyhydric alcohol, a hydrophilic polymer, a cross-linking agent, a gelation rate regulator and a solvent.
Wherein the gelled mixture comprises 0.1 to 15% by weight of a skin active ingredient, 5 to 35% by weight of a polyhydric alcohol, 0.5 to 20% by weight of a hydrophilic polymer, 0.01 to 5% by weight of a crosslinking agent, 0.01 to 10% By weight and 45 to 80% by weight of a solvent.
The skin active ingredient is preferably at least one selected from the group consisting of arbutin, niacinamide, vitamin C, vitamin B5, vitamin E, retinol, coenzyme Q10, adenosine, elastin, collagen, hyaluronic acid, chitosan and natural extract.
The polyhydric alcohol is preferably at least one selected from the group consisting of glycerin, ethylene glycol, 1,3-butylene glycol, propylene glycol, dipropylene glycol, sorbitol and xylitol.
The hydrophilic polymer may be at least one selected from the group consisting of galactomannan, glucomannan, guar gum, locust bean gum, pluronic, agar, algin, carrageenan, xanthan, gellan, gelatin, polyacrylate or a salt thereof, polymethacrylic acid, It is preferably at least one selected from the group consisting of polyvinyl alcohol, polyacrylamide, polyethylene oxide, polyethyleneimine, polyvinylpyrrolidone, methylcellulose, cellulose, carboxymethylcellulose and hydroxyethylcellulose.
The crosslinking agent is selected from the group consisting of aluminum hydroxide, aluminum hydroxide gel, hydrated aluminum silicate, kaolin, aluminum acetate, aluminum lactate, aluminum stearate, calcium chloride, magnesium chloride, aluminum chloride, magnesium aluminate metasilicate and magnesium aluminate It is preferable that at least one is selected.
Wherein the gelling rate modifier is at least one selected from the group consisting of organic acids such as EDTA, acetic acid, lactic acid, oxalic acid, citric acid, tartaric acid, organic acid salts such as EDTA-2 sodium, calcium citrate, sodium citrate, sodium nitrate, .
Another embodiment of the present invention is directed to a lithographic apparatus comprising: a support; And a colored hydrogel layer formed on either side of the support, wherein the colored hydrogel layer is formed by the colored hydrogel composition.
The support is preferably at least one member selected from the group consisting of a nonwoven fabric made of a polymer resin, paper or pulp, and a fabric.
Another embodiment of the present invention is a method for preparing a pharmaceutical composition comprising: drying and pulverizing Lawsonia inermis to form a Lawsonia inermis powder; Mixing the powder with at least one selected from the group consisting of organic acids and surfactants, an essential oil and a solvent to form a pigment composition; And mixing the coloring composition and the gelled mixture to produce a colored hydrogel composition.
The particle size of the Lawsonia inermis powder is preferably 150 mesh or more.
It is preferable that the step of forming the colorant composition is formed by mixing at 30 to 100 ° C for 1 to 48 hours.
The step of mixing the dye composition and the gelled mixture is preferably carried out at 60 to 80 캜.
The pigment composition of the present invention, the colored hydrogel composition and the hydrogel sheet containing the pigment composition of the present invention are effective for supplying nutrients to the skin and at the same time penetrating the naphthoquinone pigment into a desired pattern on the desired skin area.
Further, by using a Lawsonia inermis powder as a coloring composition for dyeing on the skin, a hydrogel sheet excellent in dyeability, durability, convenience, and moisturizing properties can be provided by minimizing irritation to the skin can do.
Hereinafter, preferred embodiments of the present invention will be described. However, the embodiments of the present invention can be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. Further, the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art.
One embodiment of the present invention is a powder of Lawsonia inermis; An organic acid and a surfactant; Essential oils; And a solvent.
Further, another embodiment of the present invention provides a gelled mixture and a colored hydrogel composition comprising the pigment composition.
Further, another embodiment of the present invention is a method for producing a powdery mildew powder comprising: drying and pulverizing Lawsonia inermis to form a Lawsonia inermis powder; Mixing the powder with at least one selected from the group consisting of organic acids and surfactants, an essential oil and a solvent to form a pigment composition; And mixing the coloring composition and the gelled mixture to produce a colored hydrogel composition.
Specifically, the pigment composition, the colored hydrogel composition and the method for producing the same according to the present invention will be described in detail as follows.
First, it is preferable to include a step of drying and pulverizing Lawsonia inermis to form a powder of Rosenianumis, wherein the particle size of the Rosanianumis powder is 150 mesh or more . When the particle size of the powder is less than 150 mesh, it is difficult to uniformly mix the composition in the composition, and the dyeing efficiency may be lowered.
In addition, the step of drying Lawsonia inermis is not particularly limited. For example, natural drying, hot air drying, freeze drying and the like may be applied. Preferably, the powder is formed by lyophilization can do.
In addition, the Lawsonia inermis is not particularly limited, but it is preferable that the Lawsonia inermis leaf is dried and powdered.
Thereafter, the pulverized Lawsonia inermis powder is preferably mixed with at least one member selected from the group consisting of organic acids and surfactants, essential oils and a solvent to form a pigment composition. At this time, the colorant composition preferably contains a naphthoquinone-based dye, and more preferably includes 2-hydroxy-1,4-naphthoquinone.
The organic acid serves as an accelerator for allowing the naphthoquinone-based pigment to be easily extracted from the plant. Examples of the organic acid include glycoconic acid, lactic acid, It is preferably at least one selected from the group consisting of malic acid, succinic acid, caffeic acid, tartaric acid, lemon juice, vinegar and citric acid, but is not limited thereto.
The surfactant may be selected from the group consisting of an ester type nonionic surfactant of polyhydric alcohol and fatty acid, a nonionic surfactant of aliphatic polyoxyethylene polymerization type, a polyoxyethylene ether nonionic surfactant of sorbitan ester, a polyoxyethylene ether At least one selected from the group consisting of a nonionic surfactant, a polyoxyethylene ether nonionic surfactant, an alkaline anionic surfactant and a neutral anionic surfactant.
Furthermore, although not particularly limited, the surfactant may be, for example, an esters of polyhydric alcohols such as sorbitan stearate, sorbitan laurate, sorbitan palmitate, glyceryl stearate, polyglyceryl stearate, Nonionic surfactants; Nonionic surfactants of aliphatic polyoxyethylene polymerization type such as polyoxyethylene stearyl ether and polyoxyethylene oleate; Polyoxyethylene ether nonionic surfactants of sorbitan esters such as polyoxyethylene sorbitan stearate, polyoxyethylene sorbitan laurate, polyoxyethylene sorbitan oleate, and polyoxyethylene sorbitol hexaoleate; Polyoxyethylene ether nonionic surfactants such as polyoxyethylene hydrogenated castor oil and the like; Polyoxyethylene ether nonionic surfactants of polyoxypropylene such as Poloxamer 168 and Poloxamer 407; Alkaline anionic surfactants such as sodium stearate, potassium stearate and sodium laurate; And neutral anionic surfactants such as sodium lauryl sulfate, sodium laureth sulfate, ammonium laureth sulfate, potassium cetyl phosphate, and the like.
The essential oil is a highly volatile aromatic oil extracted from plants and can be an oil extracted from various plants. Examples of the essential oil include grapefruit oil, neroli oil, nail oil, lavender oil, lime oil, It is also possible to use oils such as Grass Oil, Lemon Balm (Melissa) Oil, Rose Oil, Rosemary Oil, Rosewood Oil, Linden Blossom Oil, Marjoram Oil, Mandarin Oil, Myrtle Oil, Myrrh Oil, Violet Oil, Basil Oil, Verbena Oil, Citron oil, cedarwood oil, citronella oil, orange oil, eucalyptus oil, ylang ylang oil, jasmine oil, geranium oil, juniper oil, sunflower oil, safflower oil, Berry oil, ginger oil, cardamom oil, chamomile oil, kuyut foot oil, camphor oil, clarify oil, etc. Oil, carbon jerin oil, tea tree oil, malma Rosa oil, L chyulri oil, Petit Glenn oil, preferably at least one is peppermint oil, Franc Kin sense oil and selected from the group consisting of hisop five days, but not limited to this.
Wherein the solvent is at least one selected from the group consisting of water, an anhydrous or hydrated lower alcohol having 1 to 4 carbon atoms, acetone, ethyl acetate, chloroform, 1,3-butylene glycol and propylene glycol, .
On the other hand, the coloring composition comprises 10 to 30% by weight of Lawsonia inermis powder based on the total weight of the coloring composition; From 10 to 50% by weight of at least one selected from the group consisting of organic acids and surfactants; 1 to 5% by weight of essential oils; And 30 to 70% by weight of a solvent.
At this time, when the content of Lawsonia inermis powder is less than 10% by weight, the amount of the dye to be extracted is too small to be suitable for the present invention. When the content is more than 30% by weight, And it is not economical because there is little synergy effect due to excessive input.
When the content of one or more selected from the group consisting of organic acid and surfactant is less than 10% by weight, the pigment of the present invention is not extracted well, and when the content exceeds 50% by weight, There is a problem that can be lost.
When the content of the solvent is less than 30% by weight, viscosity increases and homogeneous mixing of the powder becomes difficult. When the content of the solvent is more than 70% by weight, the concentration of the mixed solution becomes thinner, .
Furthermore, when the content of the essential oil is less than 1% by weight, the skin penetration ability of the pigment can not be improved. If the content of the essential oil is more than 5% by weight, skin trouble may be caused.
The coloring hydrogel composition of the present invention preferably contains the gelled mixture and the colorant composition, and the weight ratio of the gelled mixture and the colorant composition is preferably 10:90 to 90:10, It is preferable that they are mixed at a weight ratio of 30:70 to 70:30. If the weight of the colorant composition is less than 10:90 to 90:10 by weight, the pigment may not penetrate the skin well. If the weight of the colorant composition is more than the above-mentioned weight ratio, have.
The gelled mixture preferably contains a skin active ingredient, a polyhydric alcohol, a hydrophilic polymer, a cross-linking agent, a gelation rate regulator, and a solvent. Specifically, the gelled mixture may contain 0.1 to 15% 5 to 35% by weight of an alcohol, 0.5 to 20% by weight of a hydrophilic polymer, 0.01 to 5% by weight of a crosslinking agent, 0.01 to 10% by weight of a gelling rate controlling agent and 45 to 80% by weight of a solvent.
Specifically, the skin active ingredient enhances the affinity with the skin and enhances the skin absorption rate of the functional ingredient that can effectively act on the skin. The skin active ingredient is a whitening ingredient, a wrinkle functional ingredient, an antioxidant ingredient, a moisturizing ingredient, And the like, but is not limited thereto. The skin active ingredient may be one or more selected from the group consisting of arbutin, niacinamide, vitamin C, vitamin B5, vitamin E, retinol, coenzyme Q10, adenosine, elastin, collagen, hyaluronic acid, chitosan, But is not limited thereto.
The natural extract may be selected from the group consisting of aloe, green tea, ginseng, red ginseng, vinegar, ginkgo leaf, propolis, mulberry leaf, silkworm, snail mucilage, kakaduplum, camucam, yashiyaki, squalane, caviar, broccoli, , Raspberry, raspberry, raspberry, mackerel, mackerel, mackerel, mulberry root, raspberry, carrot, caffeine, Hamamelis, Spirulina, salmon roe, But is not limited to, at least one selected from the group consisting of Edelweiss, chamomile, lavender, peppermint, eucalyptus, lemon balm, oregano, tea tree, golden, .
The skin active ingredient may be added in an amount of 0.1 to 15% by weight, more preferably 0.15 to 5% by weight, based on the total weight of the gelation mixture. At this time, when the active ingredient of the skin is added in an amount of less than 0.1% by weight, there is a problem that the skin-affinity is poor and the effect of improving the skin is insufficient. When it is added in an amount exceeding 15% by weight, skin irritation may occur, And there is a problem that light emission and discoloration occur.
The polyhydric alcohol contained in the gelled mixture serves as a moisturizing agent and is, for example, one selected from the group consisting of glycerin, ethylene glycol, 1,3-butylene glycol, propylene glycol, dipropylene glycol, sorbitol and xylitol But it is not limited thereto, and glycerin is more preferably used.
The polyhydric alcohol is preferably added in an amount of 5 to 35% by weight, more preferably 10 to 30% by weight based on the total weight of the gelled mixture. When the amount of the polyhydric alcohol is less than 5% by weight, moisture in the composition tends to be volatilized when adhering to the skin, resulting in deterioration of adhesive strength. When the content is more than 35% by weight, stickiness, there is a problem.
The hydrophilic polymer may be added as a component for gelation, and any polymer capable of being gelled by water may be added. Examples of the hydrophilic polymer include galactomannan, glucomannan, guar gum, locust bean gum, pluronic, agar, Polyvinyl pyrrolidone, methyl cellulose, cellulose, polyvinyl pyrrolidone, polyvinyl pyrrolidone, polyvinyl pyrrolidone, polyvinyl pyrrolidone, polyvinyl pyrrolidone, polyvinyl pyrrolidone, polyvinyl pyrrolidone, polyvinyl pyrrolidone, Carboxymethylcellulose, and hydroxyethylcellulose. However, it is not limited thereto, and the salt of the polyacrylate is preferably a metal salt such as lithium, sodium, potassium, and the like.
The hydrophilic polymer may be contained in an amount of 0.5 to 20% by weight, more preferably 1 to 10% by weight based on the total weight of the gelled mixture. When the hydrophilic polymer is contained in an amount of less than 0.5% by weight, the hydrogel composition tends not to maintain a sufficient strength. When the hydrophilic polymer is contained in an amount of more than 20% by weight, the viscosity may become high and the coating may be uneven. There is a problem that workability is insufficient due to viscosity.
The crosslinking agent is preferably a polyvalent metal salt, and examples thereof include aluminum hydroxide, aluminum hydroxide gel, hydrated aluminum silicate, kaolin, aluminum acetate, aluminum lactate, aluminum stearate, calcium chloride, magnesium chloride, magnesium aluminum metasilicate And magnesium aluminosilicate, but the present invention is not limited thereto. Most preferably aluminum hydroxide can be used.
The amount of the crosslinking agent is preferably 0.01 to 5% by weight, more preferably 0.05 to 3% by weight, and most preferably 0.05 to 0.2% by weight based on the total weight of the gelled mixture. When the amount of the crosslinking agent is less than 0.01% by weight, the crosslinking reaction does not proceed sufficiently and the gel strength tends to become insufficient. When the amount of the crosslinking agent is more than 5% by weight, the crosslinking reaction rate during the production of the hydrogel composition becomes excessively high, The strength of the hydrogel composition becomes strong, and the workability tends to become insufficient.
The gelling rate controlling agent may be, for example, an organic acid such as EDTA, acetic acid, lactic acid, oxalic acid, citric acid or tartaric acid having a chelating action with respect to a metal ion, an organic acid salt such as EDTA-2 sodium, calcium citrate, sodium citrate, Organic bases, but is not limited thereto.
On the other hand, the solvent of the gelled mixture preferably uses water but is not limited thereto. The solvent is contained in an amount of 100% by weight of the solvent, and more preferably 45 to 80% by weight of the solvent.
Further, other additives such as a preservative, a perfume, a surfactant, a thickening agent and the like may be added to the gelled mixture as needed, and the other additives are not particularly limited.
For example, the preservative may be selected from the group consisting of capryl glycols, paraoxybenzoic acid alkyl esters, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, phenoxyethanol, parabens, pentanediol, salicylic acid, dihydroxyacetic acid or salts thereof, ethylhexyl glycerin , 1,2-hexanediol, capryl glycol troporpholone, p-oxybenzoic acid ester, 3-trifluoromethyl-4,4'-dichlorocarbabanilide and 2,4,4'-trichloro- But is not limited to, one or more selected from the group consisting of benzoic acid,
On the other hand, it is preferable that the step of forming the coloring composition is formed by mixing at 30 to 100 ° C for 1 to 48 hours. If the temperature range is less than 30 ° C, the penetration of the solvent into the plant may be lowered and the pigment extraction rate may be lowered. If the temperature range exceeds 100 ° C, the plant tissue may be destroyed and the pigment may not be extracted have.
The mixing of the gelled mixture and the colorant composition is preferably performed at 60 to 80 캜. At this time, when the mixing step is performed at a temperature of less than 60 ° C., there is a problem that sufficient gelation is not performed, and when the mixing step is performed at a temperature exceeding 80 ° C., the stability of the skin active ingredient is reduced.
Meanwhile, another embodiment of the present invention includes a support; And a colored hydrogel layer formed on either side of the support, wherein the colored hydrogel layer is formed by the colored hydrogel composition.
The support is preferably at least one member selected from the group consisting of a polymer resin, a nonwoven fabric made of a paper or pulp material, and a fabric. Examples of the support include polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyethylene, Butadiene, ethylene-vinyl acetate copolymer, polyvinyl chloride film, and the like can be used, but are not limited thereto.
It is preferable that the colored hydrogel sheet is uniformly mixed with the colored gel composition and the colored hydrogel composition containing the colorant composition and applied on a support to form a colored hydrogel layer, The thickness is preferably 0.5 to 30 mm. When the thickness of the colored hydrogel layer is less than 0.5 mm, the hydrogel sheet may be easily broken during storage, transportation and use. If the thickness exceeds 30 mm, the thickness of the sheet becomes thick as a whole, There is a problem.
Hereinafter, the present invention will be described in detail with reference to Examples. However, the following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention.
< Example And Comparative Example >
< Example 1>
A plastic container having a size of 1 L was prepared, and 50 g of a lyophilized Lawsonia inermis powder having a particle size of 150 mesh was prepared. Water, lemon juice and lavender oil were uniformly mixed with the above-mentioned Lawsonia inermis powder in the plastic container to prepare a pigment mixture. At this time, the content of the components in the dye mixture solution was 20% by weight of Lawsonia inermis powder, 47% by weight of water, 30% by weight of lemon oil solution and 3% by weight of lavender oil, Respectively.
The pigment mixture was aged at 35 DEG C for 36 hours to prepare a pigment composition. Thereafter, the coloring composition and the gelled mixture containing the components shown in the following Table 1 were mixed at a weight ratio of 30:70 to prepare a colored hydrogel composition containing the pigment. The colored gel composition was applied on a PET film to a thickness of 1 mm To prepare a colored hydrogel sheet having the shape of eyebrows.
< Example 2>
A colored hydrogel sheet was prepared in the same manner as in Example 1, except that tea tree oil was used instead of the lavender oil.
< Example 3>
In Example 1, a colored hydrogel sheet was prepared in the same manner as in Example 1, except that the mixed solution was aged at 40 캜 for 36 hours to prepare a dye mixture.
< Comparative Example 1>
In the same manner as in Example 1 except that 20 wt% of p-phenylenediamine (PPD) was used instead of 20 wt% of Lawsonia inermis powder in Example 1 A colored hydrogel sheet was prepared.
< Comparative Example 2>
In Example 1, the content of the components in the dye mixture solution was 20% by weight of Lawsonia inermis powder, 50% by weight of water and 30% by weight of a stock solution of lemon, based on the total weight of the dye mixture, , A colored hydrogel sheet was prepared in the same manner as in Example 1.
< Comparative Example 3>
In Example 1, a colored hydrogel sheet was prepared in the same manner as in Example 1, except that the dye mixture was aged at 20 캜 for 36 hours to prepare a coloring composition.
< Experimental Example >
Using the colored hydrogel sheets prepared in Examples 1 to 3 and Comparative Examples 1 to 3, 30 dyes were examined for dyeability, durability, ease of use, moisture retention after use, and irritation Respectively. At this time, evaluation scores were evaluated in the range of 1 (very unsatisfactory) to 10 (very satisfied), and the evaluation results are shown in Table 2 below.
As shown in Table 2, the hydrogel sheet of Comparative Example 1 containing para-phenylenediamine used for conventional coloring exhibited strong skin irritation as compared to Examples 1 to 3 of the present invention.
In addition, in Comparative Example 2, which does not contain essential oil, it can be seen that dyeability and durability are lowered. Further, when the temperature is outside the proper temperature range for forming the pigment composition, dyeability and durability are deteriorated.
Claims (22)
The pigment composition may be a Lawsonia inermis powder having a particle size of 150 mesh or more; An organic acid and a surfactant; Essential oils; And a solvent.
10 to 30% by weight of Lawsonia inermis powder;
From 10 to 50% by weight of at least one selected from the group consisting of organic acids and surfactants;
1 to 5% by weight of essential oils; And
And 30 to 70% by weight of a solvent.
Wherein the skin active ingredient is at least one of a whitening component, a wrinkle functional component, an antioxidant component, and a moisturizing component.
And a colored hydrogel layer formed on one side of the support,
The colored hydrogel layer is formed by the colored hydrogel composition of any one of claims 1 to 7.
Mixing the powder with at least one selected from the group consisting of organic acids and surfactants, an essential oil and a solvent to form a pigment composition; And
And mixing the coloring composition and the gelled mixture to form a coloring hydrogel composition.
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KR101983701B1 (en) * | 2018-12-19 | 2019-09-03 | 주식회사 메디셀 | Patch for face line improvement and manufacturing method the same using skin temperature-sensitized hydrogel |
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KR102364944B1 (en) * | 2018-05-04 | 2022-02-18 | 주식회사이디엘 | Manufacturing method of cataplasma type cosmetic mask pack |
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JP2008137970A (en) * | 2006-12-04 | 2008-06-19 | Fujifilm Corp | Pressure-sensitive adhesive gel sheet for living body and sheet-like cosmetic using the same |
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Patent Citations (1)
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JP2008137970A (en) * | 2006-12-04 | 2008-06-19 | Fujifilm Corp | Pressure-sensitive adhesive gel sheet for living body and sheet-like cosmetic using the same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101983693B1 (en) * | 2018-12-19 | 2019-09-03 | 주식회사 메디셀 | Sole patch and manufacturing method the same using skin temperature-sensitized hydrogel |
KR101983701B1 (en) * | 2018-12-19 | 2019-09-03 | 주식회사 메디셀 | Patch for face line improvement and manufacturing method the same using skin temperature-sensitized hydrogel |
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