KR20150145577A - Cosmetic composition for scalp and hair - Google Patents

Abstract

The present invention relates to a cosmetic composition for a scalp and hair, which not only shows excellent anti-dandruff effects, but also has effects of relieving the scalp owing to skin moisturizing and irritation relieving properties. More specifically, the present invention provides a cosmetic composition for the scalp and hair, which comprises, as an active ingredient: at least one extract of an herb selected from the group composed of rosemary, sage, nettle, and thyme; and an anti-dandruff agent.

Description

[0001] Cosmetic composition for scalp and hair [0002]

The present invention relates to a cosmetic composition for scalp and hair which is excellent not only in anti-dandruff effect but also has a scalp soothing effect by skin moisturization and stimulation relaxation.

The epidermis of the skin is constantly replaced, and the cells are slowly pushed outward and die, and then the pieces fall off. The scalp is likewise replaced with new cells at a cycle of about one month, most people do not notice because the size of this skin piece is too small. However, excessive keratinocyte cells are formed so that the mass of keratinocyte clusters are visible and can be peeled off from the scalp, which is called dandruff.

Most dandruff agents used in general dandruff prevention products are characterized by strong sterilizing power against malassezia. Most of them are irritating and toxic to skin and are difficult to use over a certain amount. For this reason, And its content is regulated.

Dandruff generally involves excessive secretion of sebaceous glands, hormonal imbalance, and excessive proliferation of scalp cells.

However, in addition to the above-described causes, dandruff may cause dryness of the scalp due to excessive sebum removal by the shampoo or the like and lowering of the scalp moisturizing power, resulting in dry dandruff along with itching. Therefore, in the case of dry dandruff, it is difficult to improve the scalp simply by the action of anti-dandruff, and moisturization of the scalp is required at the same time.

It is an object of the present invention to provide a scalp and hair cosmetic composition which is excellent in anti-dandruff effect and has scalp soothing effect by skin moisturization and stimulation relaxation.

In order to achieve the object of the present invention, the present invention provides a herb extract comprising at least one herb extract selected from the group consisting of rosemary, sage, nettle and thyme; And an anti-dandruff agent; and a cosmetic composition for scalp and hair.

The scalp and hair cosmetic composition according to the present invention not only has excellent anti-dandruff effect but also has scalp soothing effect by skin moisturization and stimulation relaxation.

Hereinafter, the present invention will be described in detail. However, this is for the purpose of illustrating the present invention and should not be interpreted as limiting the scope of the present invention.

The present invention relates to a herbal composition comprising at least one herbal extract selected from the group consisting of rosemary, sage, nettle and thyme; And an anti-dandruff agent; and a cosmetic composition for scalp and hair.

The herbal extract is preferably contained in an amount of 0.001 to 1.0% by weight based on the total weight of the composition. If the content of the herbal extract is less than 0.001% by weight, it is difficult to expect a substantial effect on moisturizing and alleviating skin irritation. If it exceeds 1.0% by weight, it may adversely affect the formulation, ≪ / RTI >

Rosemary is a perennial plant belonging to the family Lamiaceae. It grows up to 2m in its native habitat. Its typical size is about 50 ~ 150cm. It has an efficacy effect such as antimicrobial action, sterilization action, insecticide action, and is a herb that is used for medicines as well as for food.

Sage is a perennial plant belonging to the family Lamiaceae, also known as Medicinal Salvia. The stem is a square, with the bottom almost liquefied, 30-90cm high, and fragrant throughout. Antiseptic, antimicrobial, anti-inflammatory, such as sterilization and disinfection is also used as an inflammation of various inflammation.

Nettle is a perennial plant with a perennial plant, Nettle nettle, and grows on the edge of the forest. As a nettle useful for edible or medicinal purposes, it is rich in vitamins and iron, is good for treating eczema, and is effective for dandruff in the cosmetic composition according to the present invention.

Time is a perennial herbaceous perennial plant with a monocotyledonous plant, monocotyledonous plant, and a height of 30㎝. In the roots with many roots, square-shaped stems come out and climb to the side. Strong fragrance is not lost even after storage for a long time, has various effects such as side effect and antibacterial action.

The herb extract according to the present invention can be obtained by a conventional solvent extraction method known in the art by pulverizing the herb. As the solvent, a conventional solvent known in the art can be used. Specifically, a solvent selected from the group consisting of water, methanol, ethanol, isopropyl alcohol, glycerol, ethylene glycol, propylene glycol, butyleneglycol, The above-mentioned extraction solvent can be used.

The herb extract may be obtained by using methods known in the art such as cold extraction, hot water extraction, ultrasonic extraction, reflux cooling extraction, heat extraction, etc. Preferably, various organs or parts of the herb are extracted with an extraction solvent Can be obtained. Specifically, the herb can be extracted by immersing the herb in an extraction solvent at 5 to 80 캜 for 1 to 7 days, and repeating the extraction two to three times.

The rosemary and nettle extracts used in the present invention are obtained by drying the herbs and immersing them in 30% butyleneglycol for 3 days at 25 ° C, followed by filtration.

The extract of Sage and Time used in the present invention is obtained by mixing the herb with purified water and ethanol, extracting at 25 ° C, purifying it, completely removing ethanol, and diluting with butylen glycol and purified water.

The herb extract of the present invention is included in the present invention as long as it exhibits substantially the same effect using not only the aforementioned extraction solvent but also other extraction solvents.

In addition, the herbal extracts include not only extracts obtained by extraction solvents, but also extracts obtained through ordinary purification processes. Specifically, the herbal extract of the present invention can be obtained by extracting or extracting the extract of the herb extract as it is, and then extracting the extract using a filtration membrane having a cut-off value at a certain molecular weight, A purification process such as separation by various chromatography for separation according to charge, hydrophobicity or affinity may be additionally carried out and used.

The herbal extract may be contained in the composition as an extract, diluted in a solvent, or used in a powder state by a conventional method known in the art such as vacuum distillation, spray drying or freeze-drying.

The anti-dandruff agent may be selected from the group consisting of climbazole, zinc pyritic acid, sodium salicylate, salicylic acid, and ketoconazole, and the total amount of the anti-dandruff agent may be selected from the group consisting of Is preferably 0.001 to 0.5% by weight. If the total content of the anti-dandruff agent is less than 0.001%, the anti-dandruff effect is insignificant, and if it exceeds 0.5%, skin irritation may cause trouble and itching.

The composition of the present invention may contain components commonly used in cosmetics for hair such as preservatives, thickeners, emulsifiers, pH adjusters, moisturizers, conditioning agents, and perfumes to satisfy basic physical properties and quality as cosmetic composition for scalp and hair.

The scalp and hair cosmetic compositions of the present invention can be formulated into various shapes known in the art and include, for example, hair shampoos, hair conditioners, hair treatments, hair tonics, scarf treatments, hair lotions, Hair tonic lotion, general ointment, and the like.

Hereinafter, the present invention will be described in more detail with reference to examples and comparative examples. However, the embodiments described below are only preferred embodiments of the present invention, and the present invention is not limited to such embodiments.

Example  1 to 6 and Comparative Example  1 to 3: Preparation of Shampoo Composition

(1) Preparation of herbal extract

The extract of rosemary and nettle used in the present invention is obtained by drying the herb and immersing it in 30% butyleneglycol for 3 days at 25 ° C, followed by filtration.

The extract of Sage and Time used in the present invention is obtained by mixing the herb with purified water and ethanol, extracting at 25 ° C, purifying it, completely removing ethanol, and diluting with butylen glycol and purified water.

(2) Shampoo  Preparation of composition

The composition according to Examples 1 to 6 and Comparative Examples 1 to 3 is subjected to the following production process according to the composition of Table 1. Sodium laureth sulfate, cocamidopropyl betaine, and guar hydroxypropyltrimonium chloride are added to the purified water, and the solution is completely dissolved at room temperature. After dissolving cocamide miei etc. by heating to 70 ° C, the solution is further added and stirred. The mixture was stirred under natural cooling to 45 ° C, and herbal extracts, fragrances and the like were added to the mixture and stirred for 30 minutes to prepare a shampoo.

(Unit: wt%) Ingredients Example Comparative Example One 2 3 4 5 6 One 2 3 Sodium laureth sulfate 15 15 15 15 15 15 15 15 15 Cocamidopropyl betaine One One One One One One One One One Cocamide miai 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Guar hydroxypropyltrimonium chloride 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 Klimbaugh 0.3 0.3 0.3 0.3 - - 0.3 - - Zinc Pitchichion - - - - - - - 0.3 - Rosemary extract 0.1 - - - 0.1 - - - 0.1 Sage extract - 0.1 - - 0.1 - - - 0.1 Nettle extract - - 0.1 - - 0.1 - - - Time extract - - - 0.1 - 0.1 - - - Sodium chloride 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Sodium benzoate 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 incense Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Citric acid Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Suitable amount Purified water Balance Balance Balance Balance Balance Balance Balance Balance Balance

Experimental Example  One : Antisstimulus  exam

The shampoo compositions of Examples 1 to 6 and Comparative Examples 1 to 3 were diluted in a medium (Pityrosporum medium) and tested for Minimum Inhibitory Concentration (MIC) for Malassezia furfur (KCTC 7743).

※ The smaller the value of MIC (minimum growth inhibition concentration), the better the anti-dandruff power.

MIC (ppm) Example 1 97-195 Example 2 97-195 Example 3 97-195 Example 4 97-195 Example 5 97-195 Example 6 97-195 Comparative Example 1 195 to 390 Comparative Example 2 390-781 Comparative Example 3 12500 ~ 25000

As shown in the above Table 2, in the shampoo compositions (Examples 1 to 6) using the herbal extract according to the present invention together with the anti-dandruff agent, the anti-dandruff agent slightly improved the composition of Comparative Examples 1 to 2 containing only anti- . Also, the results of Comparative Example 3 showed that the herbal extract had a slight anti-dandruff power.

Experimental Example  2: Evaluation of skin irritation

In order to evaluate the skin soothing effect of the above Examples and Comparative Examples, the human skin patch test was carried out in the following manner.

15 adult male and female were selected as subjects and the patches of the 1% shampoo solution prepared in the above Examples and Comparative Examples were applied to the upper side of the subject, and after 24 hours, the patches were removed and the erythema and edema The results are shown in Table 5. The results are shown in Table 4. The results are shown in Table 4. The results are shown in Table 4. The results are shown in Table 4. The results are shown in Table 5.

Display step Symptoms (erythema and edema) score - no response No erythema 0 ± Positive Faint erythema 0.5 + Mildly positive The border is clear but weak erythema, edema and palsy One ++ Weak positive Marked erythema, papule and blister 2 +++ Strong positive Algebra 3

Skin mean response Criteria 0.0 to 0.9 No stimulation 1.0 to 2.9 Light stimulus 3.0 ~ 4.9 Moderate irritation 5.0 or higher River stimulation

Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Comparative Example 1 Comparative Example 2 Comparative Example 3 Skin average
Reactivity 1.8 2.2 1.9 2.3 1.5 1.6 3.5 3.7 0.7 Light stimulus Light stimulus Light stimulus Light stimulus Light stimulus Light stimulus Moderate irritation Moderate irritation No stimulation

As shown in Table 5, in the shampoo compositions (Examples 1 to 6) in which the herbal extract according to the present invention and the anti-dandruff agent were combined (Examples 1 to 6), lower skin average reactivity was obtained than the compositions of Comparative Examples 1 and 2 containing only anti- And showed weak stimulation at the light stimulus level. The results showed that the skin irritation caused by anti - dandruff agent was mitigated by herbal extracts.

Experimental Example  3: Skin Moisture power  evaluation

In order to evaluate the skin moisturizing effect of Example 5 and Comparative Example 1, 20 human subjects aged 20-40 years were subjected to washing with the shampoo composition of Example 5 and Comparative Example 1, The water content of the stratum corneum was measured.

The water content was measured in a constant temperature and humidity chamber (temperature: 25 ° C, relative humidity: 40%) and a measuring device Corneometer (Courage + Khazaka, GmbH, Germany) was used.

Shampoo I
medium Average after shampooing 30 minutes 1 hours 2 hours 3 hours Example 5 48 70 68 65 63 Comparative Example 1 50 69 65 59 55

As shown in Table 6, the shampoo composition (Example 5) using the herbal extract and the anti-dandruff agent according to the present invention showed better skin moisturizing effect than the shampoo composition of Comparative Example 1 containing only the anti-dandruff ingredient Respectively.

Claims (5)

One or more herbal extracts selected from the group consisting of rosemary, sage, nettle and thyme; And an anti-dandruff agent; and a cosmetic composition for scalp and hair. The method according to claim 1,
Wherein the antidandruff agent is at least one selected from the group consisting of climbazole, zinc pyrithione, sodium salicylate, salicylic acid, and ketoconazole. The method according to claim 1,
Wherein the herbal extract is contained in an amount of 0.001 to 1.0 wt% based on the total weight of the composition. The method according to claim 1,
Wherein the total amount of the antidandruff agent is 0.001 to 0.5% by weight based on the total weight of the composition. 5. The method according to any one of claims 1 to 4,
Wherein the cosmetic composition is formulated into a hair shampoo, a hair conditioner, a hair treatment, a hair tonic, a scalp treatment, a hair lotion, a hair cream, a hair nutrition lotion or a general ointment.