KR0150577B1 - Hair cosmetic compositions - Google Patents

Abstract

The present invention provides a composition for hair for preventing and treating itching of dandruff and scalp. Hair composition of the present invention is characterized in that it contains a mixture of pine needle extract and ginkgo leaf extract in an amount of 0.5 to 20% by weight based on the total weight of the composition.

By using pine needle extract and ginkgo biloba extract together, synergistic dandruff and itchy scalp removal effect can be obtained compared to when they are used alone.

Description

Hair composition containing pine needle extract and ginkgo leaf extract

The present invention relates to a composition for hair containing pine needle extract and ginkgo biloba extract, and more particularly, to hair compositions effective for preventing dandruff, preventing itching and treatment of scalp, characterized by containing pine needle extract and ginkgo biloba extract together. It is about.

In general, dandruff refers to a stratum corneum-like mass formed by drying together with secretions of the scalp sebaceous glands of the dead or peeled cells of the scalp caused by the active metabolism of the human body. However, these dandruff gradually become red with a clear border with normal skin and increase the scale of the scalp, which usually leads to seborrheic dermatitis that causes itching and inflammation. The cause of such severe dandruff is still unclear, but in general, endocrine hormone imbalances, nutritional metabolism, neurological factors such as stress, epithelial cells biochemical changes due to excessive proliferation of scalp cells, scalp microorganisms It is known to be due to the combined effect of several factors, such as proliferation and activity increase, inflammation due to air pollution.

Conventional hair compositions, especially shampoos, are not less likely to cause dandruff and itching than to eliminate them. In order to treat and prevent dandruff and itching, it contains ingredients that can normalize the metabolism of scalp cells as well as bactericidal effects. You should use shampoo.

The present inventors, as a result of earnestly researching to provide a hair composition showing the action of effectively preventing and treating dandruff and itching, it has been found that the extract of pine needles is a useful ingredient to achieve the above object. The present inventors have found that in combination with ginkgo biloba extract in combination with subsequent studies, the above-mentioned effects are synergistically enhanced and the present invention has been completed.

Accordingly, it is an object of the present invention to provide an ancestor for hair for the prevention and treatment of dandruff and itching, characterized by containing pine needle extract or pine needle essential oil, and ginkgo leaf extract together.

Other objects and applications of the present invention will become apparent to those skilled in the art from the following detailed description.

Hereinafter, the present invention will be described in more detail.

The leaves of pine differ slightly depending on the region and season of harvest, but in general, TERPENETINE OIL, CINEOL, SALINIGRIN, RETENE, CONIFERIN, P-SAI It contains P-CYMEN, DENSIPIMARIC ACID, chlorophyll, various amino acids, crude fat, phosphorus, iron, enzymes, minerals, fat-soluble vitamin A, vitamin C, and vitamin P.

The main components of pine needles (TERPENETINE OIL) include alpha-pinene, α-PINENE, CAMPHENE, beta-pinene, β-MINRCENE, β-MYRCENE and beta-felradene PHELLANDRENE), which expands capillaries and promotes blood circulation in the scalp, and, in addition to chlorophyll, another component of pine needles, shows different but different inhibitory effects on E. coli, Staphylococcus aureus, Pseudomonas aeruginosa . In addition, unsaturated fatty acids contained in essential oils lower serum cholesterol levels, which significantly lower blood pressure, and have antibacterial and bactericidal effects on eczema and negative pathogenic fungi that occur on the skin.The extract of pine needles is added to the hair composition. When you can prevent dandruff and remove the itching of the scalp.

Ginkgo biloba leaves also contain ingredients such as Isorhamnetin, Quercetin, Rutin, and Ginkgetin. Isoramnetine and quercetin dilate coronary vessels to expand the scalp. Promote blood circulation and zinc gettin lowers serum cholesterol, which significantly lowers blood pressure. They also have antimicrobial activity against Pseudomonas aeruginosa, Staphylococcus aureus, and skin fungi, so that extracts of ginkgo biloba can be added to the hair composition to prevent dandruff and remove the scalp from itching.

The present invention is a mixed extract of pine needles and ginkgo biloba having inhibitory action and vasodilation action against various types of Escherichia coli, Staphylococcus aureus, pathogenic fungi, etc., when used in combination with the composition for hair, pine needle extract or ginkgo leaf extract each alone It is based on the discovery that there is a synergistic effect of anti-dandruff and itching prevention, which is far superior to that used in shampoo compositions.

Unless stated otherwise, both percentages and ratios herein are based on weight.

The mixed extract of pine needles and ginkgo biloba characteristically used according to the present invention can be prepared according to a conventional method. For example, pine needles and ginkgo biloba are cut into 1.0 to 2.0 centimeters of size and mixed, which is then deposited in a solvent for at least 24 hours and compressed and filtered. In this case, the weight ratio of 1,3-butylene glycol and ethanol is 1: 1 to 1: 2, and the weight ratio of the mixture of pine needles and ginkgo leaves and solvent is 1: 1 to 1: 3.

According to the present invention, a mixed extract obtained by mixing and extracting pine needles and ginkgo biloba may be preferably used. In addition, pine needle extracts and ginkgo biloba extracts may be prepared separately, and then mixed or used, or pine needle powder or pine needle essential oil instead of pine needle extracts. You may use it. In the specification, for convenience, all of these cases are denoted as a mixed extract of pine needles and ginkgo biloba.

The pine needle powder may be prepared by drying the collected pine needles for 24 hours to 48 hours in coagulation and then crushing them into a size of wire mesh 50 to 200 mesh.

Pine needle essential oil is obtained by separating the solution obtained by steam distillation.

However, pine needle extract or mixed extract with ginkgo biloba which can be used in the present invention is not only produced by this method, but can also be obtained by conventional extraction or distillation.

Pine needle extract and ginkgo biloba extract used simultaneously according to the present invention is not limited to the mutual use ratio, but in general, the ratio of pine needles and ginkgo leaves can be selected and used in the range of 1:10 to 10: 1 weight ratio.

The hair composition of the present invention may take various forms.

For example, it may be formulated into a formulation such as shampoo, rinse, hair tonic, pomade, hair treatment, hair lotion and the like.

The hair composition of the present invention may therefore contain various components which are formulated into conventional hair compositions according to the various formulations described above or as suitable for the end purpose.

For example, in the case of a shampoo formulation, the present invention provides a shampoo composition comprising a synthetic surfactant, pearlescent aid, preservative, thickener and viscosity adjusting agent, pH adjusting agent, fragrance, dye, hair conditioner and water, which are cleaning ingredients. Synthetic surfactants used in the present invention are prepared from about 10% to about 70% of the composition, preferably from about 10% to about 30% of the composition of pine needles and ginkgo biloba, which can be any selected from anionic, amphoteric and nonionic surfactants. The mixed extract is characterized by containing about 0.5% to about 20%, preferably 1.0% to 10%.

Synthetic anionic surfactants usable in the present invention are alkyl and alkyl ether sulfates represented by the general formulas (I) and (II).

Wherein R is an alkyl group having from about 10 to about 22 carbon atoms, m is from 1 to 4, and M is selected from water-soluble cations such as ammonium, sodium, potassium, triethanolamine.

Preferably, R and C in alkyl and alkyl ether sulfate have from about 12 to about 16 carbon atoms. Alcohols can be derived from or synthesized from fats such as palm oil or tallow. In the present invention, lauryl alcohol and linear alcohol derived from palm oil are preferable. This alcohol is reacted with about 1 to about 4, in particular 3 moles of ethylene oxide, for example to sulfate and neutralize the resulting mixture in a molecule having 3 moles of ethylene oxide normal group per mole of alcohol. Typical examples thereof include sodium lauryl sulfate, lauryl ammonium sulfate, lauring sulfate triethanolamine, polyoxyethylene lauryl sulfate, polyoxyethylene lauryl ammonium sulfate, and the like.

Synthetic amphoteric surfactants are alkyl betamin and alkyl amidopropyl betaines, represented by general formulas (III) and (IV).

Wherein R ₁ is an alkyl group having about 8 to 18 carbon atoms, and R ₂ CO is an alkoxy group having about 8 to about 18 carbon atoms. Representative examples thereof include cocodimethyl carboxymethyl betaine, lauryldimethyl carboxymethyl betaine, lauryl dimethyl alpha-carboxyethyl betaine, cetyl dimethyl carboxymethyl betaine, cocamidopropyl betaine and the like.

Synthetic nonionic surfactants are represented by general formulas (V) and (VI) as alkanol amides and alkyl amine oxides.

Wherein R ₁ is an alkyl group of about 8 to 18 carbon atoms, R ₂ and R ₃ are an alkyl group of about 1 to about 3 carbon atoms, R ₄ CO is an alkoxy group of about 8 to about 16 carbon atoms, n is 0 or 1

Representative examples thereof include lauryl diethyl amine oxide, palm oil alkyldimethyl amine dooxide, lauric acid diethanolamide, palm oil fatty acid diethanolamide, palm oil fatty acid monoethanolamide and the like.

The above-mentioned surfactants can be selected and used alone or in combination in the shampoo composition of the present invention.

As the optional ingredients used in the present invention, nulls are known to those skilled in the art as conventional optional ingredients for maintaining the basic physical properties and quality as shampoos. Such optional ingredients include pearlescent aids, preservatives, thickeners, and viscosity modifiers, pH adjusters, flavorings, dyes, hair conditioning agents.

Pearlescent aids such as, for example, ethylene glycol monostearate, ethylene glycol distearate; Preservatives such as methyl paraoxybenzoate, a mixture of methylchloro isothiazolinone and methyl isothiazolinone; Thickeners and viscosity modifiers such as sodium chloride, ammonium softening, propylene glycol; PH adjusters such as citric acid, phosphoric acid, sodium hydroxide, potassium hydroxide; Dyestuffs such as polyquaternium-10, polyquaternium-7, methylpolysiloxanes, dimethiconecopolyols, hair conditioning agents such as hydrolyzed animal proteins, water soluble tars are used, and fragrance may also be used.

Hereinafter, the present invention will be described in detail with Examples and Comparative Examples.

However, it is not limited to the following example of this invention.

[Production Example 1]

The collected pine needles and ginkgo biloba were dried for 48 hours at the same weight, and then weighed 1 kilogram and cut into 1.0 to 2.0 centimeters, which was then weighed by 2 kilograms of solvent (1,3-butylene glycol and ethanol (95%). 1 and 2) was immersed in 24 hours and filtered with a compressed 300 mesh filter cloth to prepare a mixed extract of pine needles and ginkgo leaves.

Example 1-4 and Comparative Example 1-3

After making a conventional shampoo with the composition ratio shown in Table 1, the mixed extract of pine needles and ginkgo biloba according to the present invention was added. That is, ammonium lauryl sulfate, polyoxyethylene ammonium lauryl sulfate, cocoamidopropyl betaine, lauroyl myristyl diethanolamide and ethylene glycol distearate are added to water and heated until it is 55 ° C., uniformly. After dissolving, the mixture was slowly cooled to 40 ° C. and cooled, and the mixed extract of the pine needles and ginkgo biloba according to the present invention, preservatives, thickeners and viscosity adjusting agents, pH adjusting agent, fragrance, dyes, and hair conditioner were added to the mixture to room temperature. Cool to complete the preparation.

Efficacy effect experiments were carried out for Examples 1-4 and Comparative Examples 1-3, and the results are shown in Table 2.

Experimental Example 1

Anti-dandruff effect experiment

56 men aged 19-35 years of age with relatively high dandruff were selected for the shampoos of each example and the comparative example 8 people for 1 month in the following manner and then the dandruff reduction rate was measured.

Triturate with a normal shampoo before the start of the test, and collect the dandruff accumulated for 3 days after the shampoo, triturate once every 3 days with the weight of the collected dandruff and the shampoo composition shown in each Example and Comparative Example and accumulate for 3 days after the end of the test. The weight of the isolated dandruff was evaluated. At this time, the accumulated dandruff was collected directly from the scalp by a vacuum suction device, and the dandruff reduction rate was calculated based on the following equation.

According to the above formula, the dandruff reduction rate of the shampoos of Examples and Comparative Examples was measured and the results are shown in Table 2 below.

Experimental Example 2

Scalp Itching Prevention Test

60 people of 30 men and women each having severe itch were selected and used once every 3 days for 8 weeks each of the products of Examples 1, 2, 3 and Comparative Example 1 for each product of Examples and Comparative Examples. The anti-itch effect was evaluated by the following evaluation criteria, and the results are shown in Table 3.

As can be seen in Table 2 and Table 3, the shampoo composition of Example 1-4 according to the present invention to which the mixed extract of pine needles and ginkgo biloba is added, the conventional shampoo composition of Comparative Example 1, and pine needle extract or ginkgo leaf extract It is proven that the anti-dandruff and itching effect is superior to the shampoo composition contained alone.

Claims (3)

A composition for hair for preventing and preventing itching of dandruff and scalp, characterized by containing a mixture of pine needle extract and ginkgo leaf extract. The composition for hair according to claim 1, wherein the amount of the mixture of pine needle extract and ginkgo leaf extract is 0.5 to 20% by weight based on the total weight of the composition. The method of claim 1, wherein the mixture of pine needle extract and ginkgo biloba extract is a mixed solvent having a weight ratio of 1,3-butylene glycol and ethanol of 1: 1 to 1: 2 pine needles and ginkgo biloba leaves weight ratio of the mixture of the pine needles and ginkgo biloba and the solvent The composition for hair, characterized in that extracted using an amount in the range of 1: 1 to 1: 3.