KR101155807B1 - Cosmetic composition for moisturizing and firming the skin - Google Patents

Abstract

The present invention relates to a cosmetic composition containing at least one selected from extracts of lily of the valley, silver plum blossoms and narcissus flowers, and more particularly, by containing the extract as an active ingredient, supplying moisture to the skin more smoothly and reducing exfoliation. It relates to a cosmetic composition that not only softens the skin texture, but also improves skin moisture loss, thereby ultimately increasing skin moisture content and improving skin elasticity.

Lily of the valley, Silver plum blossoms, Narcissus flowers, Moisturizing, Exfoliation, Skin elasticity, Cosmetic composition

Description

Cosmetic composition for moisturizing and improving elasticity {Cosmetic composition for moisturizing and firming the skin}

The present invention relates to a cosmetic composition containing at least one of the extract of lily of the valley, silver plum blossoms and narcissus flowers.

Skin protects the human body from external physical and chemical stimuli and is divided into three layers: epidermis, dermis and subcutaneous fat tissue. In particular, the skin contains about 65-70% of the moisture that the human body has, which carries various bioactive substances necessary for the human body and helps keep the skin moist. In addition, the skin plays an important role in controlling the evaporation of this moisture into the body. The epidermis is divided into stratum corneum, granule layer, play layer and basal layer from the outside. The stratum corneum of the epidermis contains about 10-20% of moisture and is located at the outermost part of the human body, forming a natural protective film made of sebum from the sebaceous glands and sweat from the glands, preventing evaporation of moisture from outside the body. Blocks material infiltration. The cells constituting the stratum corneum have a high concentration of natural moisturizing factor (NMF), which is a water-soluble ingredient, which helps the skin to show flexibility and maintain proper moisture. However, due to various factors such as artificial temperature control of cooling / heating according to the change of environment or living pattern, skin stress due to various stresses and environmental pollution, frequent face wash due to makeup habits and natural skin aging due to age increase Due to the slow turn-over rate of the stratum corneum, the lipid synthesis ability of keratinocytes is reduced, or normal cell division, maturation and differentiation in the epidermis, the moisturizing factors and lipids of the stratum corneum Increasingly, the amount of people with reduced skin barrier function is not maintained, that is, the skin barrier function is broken down.

Due to the abnormal division and differentiation of epidermal cells, the skin causes various skin diseases such as dry skin, atopic dermatitis, and psoriasis, and these diseases can alleviate the symptoms slightly by using a conventional moisturizer having only water retention function. However, it is difficult to expect radical healing.

Therefore, in order to prevent skin aging and dry skin, and to maintain a healthier and more radiant skin, research activities have been steadily developed to develop a bioactive substance having a skin moisturizing effect. As a typical moisturizer, a humectant having a property of absorbing water or an occlusive moisturizer preventing moisture evaporation was used. Most of the humectants are polyols such as glycerin, propylene glycol, butylene glycol, and polyethylene glycol. However, they have a disadvantage in that the polyol is very sticky or damp when applied to the skin. As a closed moisturizer, lipid components such as ceramide, essential fatty acids and lipid complexes were used (J. Invest. Dermatol. (5), 731-740, 1994). It has the disadvantage of inhibiting and is unsuitable for producing a transparent gel-like product.

An object according to an embodiment of the present invention is to provide a cosmetic composition containing one or more of extracts of lily of the valley, silver plum blossoms and narcissus flowers to increase skin moisturizing power and improve skin elasticity.

In order to achieve the above object, one embodiment according to the present invention provides a cosmetic composition containing at least one of the extract of lily of the valley, silver plum blossoms and narcissus flowers as an active ingredient.

The cosmetic composition of the present invention has an excellent moisturizing effect on the skin to increase the skin moisture content, reduce the skin angular mass, thereby softening the skin surface. In addition, there is an effect of restoring skin elasticity by improving the skin elasticity.

The inventors of the present application have repeatedly studied to find a substance that improves skin moisturizing. As a result, the petals present in lily of the valley, silver plum blossoms, and narcissus flowers have excellent moisture retention, and thus contain a large amount of moisture and reduce moisture evaporation. It was confirmed that to give an excellent moisturizing effect.

One embodiment of the present invention provides a cosmetic composition containing a complex extract of lily of the valley, silver plum blossoms and narcissus flowers as an active ingredient.

The lily of the valley (Convallaria Majalis Extract) blooms white flowers in May-June and edible young leaves. According to the Korean herbal book, it has a diuretic effect, which eliminates systemic edema and improves blood circulation and antibacterial effect. (Antibacterial Effects of Ethanol Extracts of Native Korean Native Plants. Journal of Life Science. V.18, no.2: 228-233 (2008))

The silver plum flower (Myrtus Communis Extract) is a small flower of about 2cm in early summer blooms and resembles a plum blossom, called "silver plum" and helps with strong disinfection, astringent action and acne, oily skin, pore shrinkage. (Search for Peroxynitrite and DPPH Radical Scavenging Activity from Plants. Korean Journal of Biotechnology and Bioengineering, 19 (1),: 57-61 (2004))

The narcissus flower (Narcissus Tazetta Extract) is effective in treating dermatitis, dermatitis, anti-inflammatory by grinding live juice. In addition, lipid peroxidation, antiviral effect is excellent anti-oxidant effect, has the effect of smoothing the convergence effect and blood circulation.

In one embodiment of the present invention, at least one active ingredient selected from the extracts of the lily of the valley, the silver plum blossoms and the narcissus flower may be in an amount of 0.01 to 10% by weight, preferably 0.1 to 5% by weight, based on the total weight of the cosmetic composition. This is because if the content is less than 0.01% by weight, the skin moisturizing effect or elasticity improvement effect by the active ingredient is not obtained, and when the content is more than 10% by weight, the increase in effect is not large compared to the increase in content, which is inefficient.

In one embodiment of the present invention, the active ingredient may be one or more selected from extracts of lily of the valley, silver plum blossoms and narcissus flowers.

The active ingredient may be two kinds of extracts, such as extracts of lily of the valley and silver plum blossoms, or extracts of lily of the valley and narcissus, or extracts of lily of the valley, silver plum and narcissus. have.

In one embodiment of the present invention, the extract may be prepared by the following extraction method. For example, not only leachate obtained by leaching and transferring from one or more of lily of the valley, silver plum blossoms or narcissus flowers but also concentrates obtained by partially or totally enriching the leachate or stagnation, premises, periodical and Flow extraction can be used.

The leaching solution is finely chopped by drying the lily of the valley, silver or narcissus flower by any method such as natural drying or forced drying, water, C ₁ ~ C ₄ anhydrous or hydrous alcohol, acetone, ethyl acetate, chloroform, glycerin, propylene glycol And leaching treatment using any one or more of butylene glycol as a solvent by any method such as cold needle, percolation, and warm needle to obtain a leachate containing the active ingredient.

In one embodiment of the present invention, the cosmetic composition is not particularly limited in its formulation. For example, the cosmetic composition may be formulated into solutions, suspensions, emulsions, pastes, gels, creams, lotions, powders, soaps, surfactant-containing cleansing, oils, powder foundations, emulsion foundations, wax foundations, sprays, and the like. It may be, but is not limited thereto. More specifically, flexible lotion, nourishing lotion, nourishing cream, massage cream, essence, eye cream, cleansing cream, cleansing foam, cleansing water, pack, makeup base, spray, oil in water (O / W) type, oil in water ( O / W) or in the form of powders.

When the formulation of the present invention is a solution or an emulsion, a solvent, a dissolving agent or an emulsifying agent is used as a carrier component, and examples thereof include water, ethanol, isopropanol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, , 3-butyl glycol oil, glycerol aliphatic ester, polyethylene glycol or sorbitan fatty acid esters.

In the case where the formulation of the present invention is a suspension, a carrier such as water, a liquid diluent such as ethanol or propylene glycol, a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol ester and polyoxyethylene sorbitan ester, Cellulose, aluminum metahydroxide, bentonite, agar or tracant, etc. may be used.

When the formulation of the present invention is a paste, cream or gel, animal oils, vegetable oils, waxes, paraffins, starches, trachants, cellulose derivatives, polyethylene glycols, silicones, bentonites, silicas, talc or zinc oxide may be used as carrier components. Can be.

When the formulation of the present invention is a powder or a spray, lactose, talc, silica, aluminum hydroxide, calcium silicate or polyamide powder may be used, in particular in the case of a spray, additionally chlorofluorohydrocarbon, propane Propellant such as butane or dimethyl ether.

When the formulation of the present invention is an interfacial active agent-containing cleansing, the carrier component may include aliphatic alcohol sulfate, aliphatic alcohol ether sulfate, sulfosuccinic acid monoester, isethionate, imidazolinium derivative, methyltaurate, sarcosinate, fatty acid amide Ether sulfates, alkylamidobetaines, aliphatic alcohols, fatty acid glycerides, fatty acid diethanolamides, vegetable oils, lanolin derivatives, or ethoxylated glycerol fatty acid esters.

In one embodiment of the present invention, the cosmetic composition may further contain a thickener. The thickener included in the cosmetic composition of the present invention is methyl cellulose, carboxy methyl cellulose, carboxy methyl hydroxy guanine, hydroxy methyl cellulose, hydroxyethyl cellulose, carboxy vinyl polymer, polyquaternium, cetearyl alcohol, stearic acid, Carrageenan and the like can be used, and preferably, at least one of carboxy methyl cellulose, carboxy vinyl polymer and polyquaternium can be used, and most preferably, carboxy vinyl polymer.

In one embodiment of the present invention, the cosmetic composition may contain a variety of suitable bases and additives as necessary, the type and amount of these components can be easily selected by the inventors. If necessary, it may contain an acceptable additive, for example, may further include components such as preservatives, pigments, additives and the like conventional in the art.

Preservatives may be specifically phenoxyethanol (Phenoxyethanol) or 1,2-hexanediol (1,2-Hexanediol) and the like, fragrance may be artificial flavors and the like.

In addition, in one embodiment of the present invention, the cosmetic composition may include a composition selected from the group consisting of water-soluble vitamins, oil-soluble vitamins, polymer peptides, polymer polysaccharides, sphingolipids, and seaweed extracts. Other components that may be added include fats and oils, moisturizers, emollients, surfactants, organic and inorganic pigments, organic powders, ultraviolet absorbers, preservatives, fungicides, antioxidants, plant extracts, pH adjusters, alcohols, pigments, flavorings, Blood circulation accelerators, cooling agents, restriction agents, purified water and the like.

In addition, the compounding component which may be added other than this is not limited to this, Moreover, any of the above components can be mix | blended within the range which does not impair the objective and effect of this invention.

The composition of the present invention has an excellent effect on moisturizing the skin by promoting turn-over of epidermal cells or reducing skin angular mass to increase skin moisture retention and reduce water evaporation.

In addition, the present invention has the effect of improving skin elasticity.

Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the following examples and the like are intended to illustrate the present invention, but the scope of the present invention is not limited thereto.

 Example 1 Preparation of Extracts of Lily of the Valley, Silver Plum Blossoms, and Narcissus Flowers

Dry finely chopped dried lily of the valley, silver and narcissus flowers into powder, and then added to the flask at a weight ratio of 1: 1: 1, and butylene glycol was added 2.5 times the weight of the total weight of the lily, silver and narcissus flowers. Extracted twice. The mixture was mixed at 300 rpm using an agitator, extracted for 2 hours without additional heating, and then immersed for 1 hour. The immersed extract was filtered using a filter paper and concentrated under reduced pressure using a rotary vacuum evaporator to obtain extracts of lily of the valley, silver plum flowers, and narcissus flowers.

In Table 1, the composition of Example 1, which is an extract of all three components, and a lily composition, a silver plum flower extract, or a narcissus flower extract, respectively, the composition of Examples 2 to 4, which is a cosmetic composition containing no extract, Comparative Example 1 Was prepared.

Examples 1 to 4 and Comparative Example 1 were all prepared in an oil in water (O / W) formulation, and the unit of the content shown in Table 1 is% by weight.

The oil phase parts were dissolved by heating to 70 ° C. in a separate container as the contents shown in Table 1 below and dispersed using a homogenizer. The aqueous part was dissolved by heating at 70 ° C., and then the oil phase part was slowly added to the aqueous part to emulsify at 70 ° C. Finally, the composition was filled into an airtight container and cooled to room temperature using a cooler.

[Table 1]

division Raw material name Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Paid Part Polysorbate 60 1.0 1.0 1.0 1.0 1.0 Glyceryl stearate 0.5 0.5 0.5 0.5 0.5 Fiji-100 Stearate 1.0 1.0 1.0 1.0 1.0 Meadowfoam seed oil 3.0 3.0 3.0 3.0 3.0 Cyclomethicone 2.0 2.0 2.0 2.0 2.0 Dimethicone 3.0 3.0 3.0 3.0 3.0 Behenyl alcohol 1.0 1.0 1.0 1.0 1.0 Cetearyl Alcohol 1.0 1.0 1.0 1.0 1.0 7-ethylhexanoate 10.0 10.0 10.0 10.0 10.0 antiseptic Quantity Quantity Quantity Quantity Quantity Spices Quantity Quantity Quantity Quantity Quantity Water Part Purified water To 100 To 100 To 100 To 100 To 100 Disodium ID 0.05 0.05 0.05 0.05 0.05 glycerin 10.0 10 10 10 10 Other thickeners, neutralizers Quantity Quantity Quantity Quantity Quantity 3 kinds of mixed extract 2.0 - - - - Lily of the Valley Extract - 2.0 - - - Silver Plum Blossom Extract - - 2.0 - - Daffodil Flower Extract - - - 2.0 -

Test Example 1 Human Test on Skin Moisturizing

1. Moisturizing effect experiment

Forty males and females, which are said to appeal to dryness or dry skin, were coated with the cosmetic composition of Examples 1 to 4 and Comparative Example 1 twice daily for four weeks on the inner side of Habak. Moisturizing power was measured by measuring TEWL (Trans Epidermal Water Loss) at the temperature of constant temperature and constant humidity (24 ° C, 40% relative humidity) at the time of 2 weeks and 4 weeks after the start of application and at the time of application. Compared. The results are shown in FIG.

<TEWL measurement method>

The amount of water evaporated from the skin is calculated according to the area and time, and the amount of water evaporated is read and quantified by the temperature and moisture electronic sensors to measure the skin's moisturizing power.

1. Environmental conditions: The temperature and humidity are kept constant, leaving only a minimum of personnel (as far as possible).

2. The TEWL probe was placed on the measurement site of the subject.

3. The probe was placed lightly without applying excessive force to the measurement site (so as to leave no traces on the skin) and at an angle of 90 degrees to the ground.

4. Over time, the value of the skin's TEWL value was measured (usually 1-3 minutes).

5. Keep the probe handle as far as possible to prevent the body temperature from being transmitted.

6. The amount of water evaporated per hour per area (g / m ² / h) was calculated.

As shown in the results of Figure 1, Examples 1 to 4 and Comparative Example 1 containing all of the extract as an active ingredient shows a tendency to decrease the TEWL change value (evaporation amount of water) with the passage of the contrast time It can be seen. In particular, in the case of Example 1 containing all three extracts showed about 200% of the skin moisturizing effect compared to the comparative example was confirmed to show a very good moisturizing effect.

In addition, in order to determine the moisturizing sustainability in one application, after applying Example 1, the skin moisture content was measured with a corneometer for 6 hours, and the results are shown in FIG. 2.

<Measuring Water Meter>

The moisture level was measured by measuring the amount of moisture in the skin's epidermis using a sensor and quantifying it to calculate the amount of moisture.

1. A probe of a corneometer was placed on the skin to be measured.

2. When the probe is pressed on the skin, the electrical conductivity of the skin is quantified through the sensor and displayed on the screen.

3. The measurement was repeated with different measurement sites.

4. After the measurement, wipe the sensor with a tissue such as Kimwipe and measure.

Referring to Figure 2, the application of Example 1, a formulation containing a complex extract was confirmed that the skin moisture content is significantly higher compared to the untreated group, the moisturizing effect is very excellent.

Meanwhile, at the end of the test, the test subjects were asked to fill out a questionnaire, and mechanical evaluation and subjective efficacy evaluation were also performed. The results are shown in Table 2 below.

[Table 2] Survey on the effects of dry skin

Applicator Respondents Very good Good usually Inadequate Example 1 17 16 7 0 Example 2 4 14 18 4 Example 3 5 13 17 5 Example 4 5 13 16 6 Comparative Example 1 One 3 15 21

The results of Table 2 show that the satisfaction of the moisturizing effect of those who applied Examples 1 to 4 was significantly higher than that of Comparative Example 1, and among them, the satisfaction of those who applied Example 1 was higher.

Test Example 2 Human Test on Skin Elasticity

In order to compare the skin elasticity recovery effect when using the emulsifier formulation prepared in the reference example, 20 people were divided into 14 groups of 280 women in their 30s to 40s. The experimental method is as follows.

Example 1 to 4 and Comparative Example 1 were given to each group and applied twice a day for 1 month, and then a cutometer (SEM474, Courage + Khazaka electronic GmbH. Germany) capable of measuring skin elasticity after 1 month was used. The elasticity of the face area was measured and compared with before application. The results are shown in Table 3 below. The results in Table 3 refer to the properties of skin viscoelasticity of the skin elasticity measuring instrument, and the values in Table 3 are average values of each group.

[Table 3] Clinical results after 1 month of use

Test substance Skin elasticity improvement (%) Example 1 83 Example 2 54 Example 3 65 Example 4 59 Comparative Example 1 41

As shown in the results of Table 3, it can be seen that Examples 1 to 4 containing all of the extracts of lily of the valley, silver plum blossoms and narcissus blossoms have improved skin elasticity compared to Comparative Example 1. In particular, in the case of Example 1 showed a skin elasticity improvement of about 200% compared to Comparative Example 4 was confirmed that the skin elasticity improvement is very excellent.

Test Example 3 Angular Mass Reduction Effect

In order to determine the angular mass reduction effect of the cosmetic composition according to the present invention, the amount of skin exfoliation was measured using Examples 1 to 4 and Comparative Example 1.

50 adult males and females in their 20s and 30s with no skin disease were allowed to apply the compositions of Examples 1 to 4 and Comparative Example 1 to the inside of Habak, and after 24 hours, they used Charm view (Moritex, Japan). The amount of keratin reduction was measured. Initial skin angular mass and angular mass after 24 hours were measured by using Charm view at constant temperature and humidity condition (24 ° C, humidity 40%) before the start of application. Indicated.

[Table 4]

Skin angular mass change according to cosmetic composition (%)

Test substance Angular mass before application Angular mass after 24 hours Skin dead skin cells Example 1 20.2 8.9 11.1 Example 2 20.2 14.3 5.9 Example 3 19.7 13.6 6.1 Example 4 19.9 14.1 5.8 Comparative Example 1 19.7 16.6 3.1

As can be seen in Table 4, Examples 1 to 4 containing at least one selected from the lily of the valley, silver plum blossoms and narcissus flowers of the present invention is superior to the skin exfoliation effect compared to Comparative Example 1, all of which do not contain, It was confirmed that Example 1 containing all of the lily of the valley, the silver flower and the narcissus flower was excellent in the skin exfoliation effect. Therefore, the composition of the present invention was able to improve the rough skin surface by reducing the skin angular mass and make the skin tone look bright overall.

Hereinafter, the formulation example of the cosmetic composition according to the present invention will be described, but can be applied to various formulations in addition to the following examples, which are intended to explain in detail only, not intended to limit the present invention.

Formulation Example 1 Flexible Lotion (Skin Lotion)

To a flexible lotion was prepared in a conventional manner according to the composition shown in Table 5.

TABLE 5

ingredient Content (% by weight) extract 2.0 glycerin 3.5 Oleyl alcohol 1.5 ethanol 5.5 Polysorbate 80 3.2 Carboxyl Vinyl Polymer 1.0 Butylene Glycol 2.0 Propylene glycol 2.0 Preservatives, spices Quantity Purified water Balance system 100

Formulation Example 2 Nutritional Lotion (Milk Lotion)

To the nutritional lotion was prepared in a conventional manner according to the composition shown in Table 6.

TABLE 6

ingredient Content (% by weight) extract 2.0 glycerin 3.0 Butylene glycol 3.0 Propylene glycol 3.0 Carboxyvinyl polymer 0.1 Beeswax 4.0 Polysorbate 60 1.5 Caprylic / Capric Triglycerides 5.0 Squalane 5.0 Sorbitassquioleate 1.5 Cetearyl Alcohol 1.0 Triethanolamine 0.2 Preservatives, spices Quantity Purified water Balance system 100

Formulation Example 3 Nutrition Cream

To prepare a nutritious cream in a conventional manner according to the composition shown in Table 7.

TABLE 7

ingredient Content (% by weight) extract 2.0 glycerin 3.5 Butylene glycol 3.0 Liquid paraffin 7.0 Beta Glucan 7.0 Carbomer 0.1 Caprylic / Capric Triglycerides 3.0 Squalane 5.0 Cetearyl Glucoside 1.5 Sorbitan stearate 0.4 Polysorbate 60 1.2 Triethanolamine 0.1 Preservatives, spices Quantity Purified water Balance system 100

Formulation Example 4 Massage Cream

To the nutrition cream was prepared in a conventional manner according to the composition shown in Table 8.

[Table 8]

ingredient Content (% by weight) extract 2.0 glycerin 8.0 Butylene glycol 3.0 Liquid paraffin 45.0 Beta Glucan 7.0 Carbomer 0.1 Caprylic / Capric Triglycerides 3.0 Beeswax 4.0 Cetearyl Glucoside 1.5 Sesqui oleic acid sorbitan 0.9 paraffin 1.5 Preservative, coloring, fragrance Quantity Purified water Balance system 100

[Formulation Example 5] Pack

To the nutrition cream was prepared in a conventional manner according to the composition shown in Table 9.

TABLE 9

ingredient Content (% by weight) extract 2.0 glycerin 4.0 Polyvinyl alcohol 15.0 Hyaluronic acid extract 5.0 Beta Glucan 7.0 Allantoin 0.1 Nonyl Phenyl Ether 0.4 Polysorbate 60 1.2 Ethanol preservative Quantity Preservatives, spices Quantity Purified water Balance system 100

FIG. 1 shows the results of TEWL measurement measured at 2 and 4 weeks after application of Examples 1 to 4 and Comparative Example 1. FIG.

Figure 2 shows the results of measuring the amount of skin moisture for 6 hours after applying Example 1 in order to determine the moisturizing persistence during the first application of Example 1 and the untreated group.

Claims (7)

It is a cosmetic composition for skin moisturizing or skin elasticity improvement containing lily of the valley, silver plum flowers and narcissus flower extract as an active ingredient, The active ingredient is contained in an amount of 0.01 to 10% by weight based on the total weight of the cosmetic composition, The composition is characterized in that to promote the turn-over (over-over) of the epidermal cells or to reduce the skin angular mass, cosmetic composition for skin moisturizing or skin elasticity improvement. delete delete delete delete delete delete

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