KR101752220B1 - Skin external composition for improving skin color and skin tone containing Broussonetia kazinoki extracts - Google Patents

Abstract

The present invention relates to a composition for external application for skin containing mulberry extract. More particularly, the present invention relates to a composition for external application for skin containing mulberry extract, which comprises an extract obtained from stem, root, leaf, flower and fruit of mulberry tree as an active ingredient to expand capillary blood vessels and promote blood circulation To an external composition for improving skin color and skin tone, which can improve color and skin tone by suppressing skin aging.

Description

[0001] The present invention relates to a skin external composition for improving skin color and skin tone containing mulberry extract,

The present invention relates to a composition for external application for skin containing mulberry extract. More particularly, the present invention relates to a composition for external application for skin containing mulberry extract, which comprises an extract obtained from stem, root, leaf, flower and fruit of mulberry tree as an active ingredient to expand capillary blood vessels and promote blood circulation And to improve skin color and skin tone by inhibiting aging of skin, thereby improving skin color and improving skin tone.

Skin is the primary barrier of the human body and functions to protect the internal organs from external stimuli such as changes in temperature and humidity, ultraviolet rays, and pollutants. However, internally, as the age increases, secretion of various hormones that regulate metabolism decreases, and the functions of immune cells and the activity of cells are lowered, so that the biosynthesis of immune proteins and biologic proteins necessary for the living body is reduced, , The normal function of the skin is weakened, aging is accelerated due to physical and chemical stimulation and stress caused by increase of ultraviolet rays, free radicals and active oxygen due to environmental pollution such as ozone layer destruction, do.

In order to prevent such phenomenon and to maintain skin with good color and high skin tone, physiologically active substances obtained from various known animals, plants, microorganisms, etc. are added to cosmetics to promote blood circulation to improve skin blood circulation, And to improve the skin tone.

Accordingly, the inventors of the present invention confirmed that the extract of Mulberry Mulberry Extract is excellent in the improvement of color and skin tone while solving the above problems and seeking natural products having a high color and skin tone improving effect, and completed the present invention.

Accordingly, an object of the present invention is to provide a composition for external application for skin, which contains a natural product safe for human body and is excellent in improving color and skin tone.

In order to achieve the above-mentioned object, the present invention provides a composition for external application for skin color and skin tone, which comprises extracts of mulberry leaves as an active ingredient.

The composition for external application for skin provided by the present invention contains mulberry extract as an active ingredient to expand capillaries and promote blood circulation, thereby smoothly supplying nutrients to the skin and inhibiting skin aging, thereby improving color and skin tone.

The present invention provides a composition for external application for skin improvement and skin tone improvement comprising a mulberry extract as an active ingredient.

Hereinafter, the present invention will be described more specifically.

In the present invention, most of the mulberry trees that are used as an active ingredient are mulberry trees (Broussonetia kazinoki Sieb) and cucumber trees (Broussonetia papyrifera Vent). These are deciduous broad-leaved shrubs, It is distributed in Japan, etc. The mackerel has been used as a raw material for paper papermaking and has various medicinal effects, which are effective for tonic, acne treatment, affection, species, waxing and diuretic, removing wind, purifying blood It is said to be effective for declining eyesight.

The extract of the mulberry tree according to the present invention can be obtained according to a method known in the art. For example, the extracts of mulberry stem, roots, leaves, flowers and fruits are dried with light or hot air and then extracted with water or ethanol Can be manufactured.

The composition for external application for improving color and skin tone provided by the present invention contains a mulberry extract to expand the capillary blood vessels when applied to skin and promote blood circulation, thereby smoothly supplying nutrients to the skin and suppressing skin aging, The improvement effect is excellent. Accordingly, the composition for external application for skin of the present invention can be provided as a composition for external application for skin for improving color and skin tone.

The mallow extract of the present invention may be mixed in an amount of 0.0001 to 50% by weight based on the total weight of the composition, depending on the form of the composition for external application for skin. If the amount is less than 0.0001% by weight, the effect is insignificant, and if it exceeds 50% by weight, the stability of the formulation is deteriorated.

The composition for external application for skin according to the present invention may be formulated containing a cosmetically or dermatologically acceptable medium or base. It may be any formulation suitable for topical application, for example, as a solution, a gel, a solid, a paste anhydrous product, an emulsion obtained by dispersing an oil phase in water, a suspension, a microemulsion, a microcapsule, Or in the form of a cream, skin, lotion, powder, ointment, spray, pack or conical stick. May also be used in the form of a foam or in the form of an aerosol composition further containing a compressed propellant. These compositions may be prepared according to conventional methods in the art.

In addition, the composition for external application for skin according to the present invention may further comprise at least one selected from the group consisting of a fatty substance, an organic solvent, a solubilizing agent, a thickening agent, a gelling agent, a softening agent, an antioxidant, a suspending agent, a stabilizer, a foaming agent, a fragrance, Or any other conventionally used in cosmetics such as nonionic emulsifiers, fillers, sequestering agents, chelating agents, preservatives, vitamins, barrier agents, wetting agents, essential oils, dyes, pigments, hydrophilic or lipophilic active agents, lipid vesicles or cosmetics ≪ RTI ID = 0.0 > cosmetics < / RTI > such as botanical ingredients, or adjuvants conventionally used in the field of dermatology. Such adjuvants are introduced in amounts commonly used in the cosmetics or dermatological fields.

Hereinafter, the constitution and effects of the present invention will be described in more detail with reference to test examples and examples. However, these test examples and examples are provided for illustrative purposes only in order to facilitate understanding of the present invention, and the scope and scope of the present invention are not limited thereto.

[Manufacturing Example 1] Preparation of Mulberry Extract

1 kg of stem, root, leaf, flower and fruit of mulberry tree were put into 10 L of clean water, extracted by boiling in an extractor with cooling condenser for 5 hours, filtered with 300 mesh filter cloth, left to stand at 5 ~ 15 ℃ for 5 days, Filtered through filter paper. This filtrate was concentrated under reduced pressure in a distillation apparatus equipped with a cooling condenser to obtain 70 g of a mulberry extract.

[Example 1 and Comparative Example 1]

Lotion formulation Example 1 and Comparative Example 1 were prepared according to the composition shown in Table 1 below (unit: wt%).

Raw material name Example 1 Comparative Example 1 1. Cetearyl alcohol 1.0 1.0 2. Chin type glyceryl stearate 1.0 1.0 3. Glyceryl stearate SE 1.5 1.5 4. Phyto squalane 3 3 5. Hydrogenated polydecene 2 2 6. Dimethicone 0.5 0.5 7. Polysorbate 60 One One 8. Sorbitan sesquioleate 0.4 0.4 9. Methyl paraben 0.1 0.1 10. Propylparaben 0.05 0.05 11. Purified water Balance Balance 12. Butylene glycol 5 5 13. Polyacrylate-13 * Polyisobutene * Polysorbate 20 0.5 0.5 14. Mulberry extract (Preparation Example 1) One -

<Manufacturing Method>

1) The components 11 to 14 were uniformly mixed while heating to 70 캜 to prepare a water-based part.

2) The components 1 to 10 were uniformly mixed while heating to 70 ° C to prepare an oil phase part.

3) The oil phase part of the above 2) was put into the water phase part of the above 1) and homomixed for 6 minutes at 7,200 rpm.

4) The mixture of 3) was cooled to room temperature.

[Test Example 1]

In order to evaluate the skin blood circulation promoting effect of the composition containing the mulberry extract, the degree of blood circulation in the skin was measured using LDPI (Laser Doppler Perfusion Imager). LDPI is a widely used and widely used device for measuring blood circulation in skin. It is a highly sensitive device that can measure not only blood velocity and quantity in the capillaries of the skin, but also flow in the small artery and the parenchyma.

The face was soaked in a constant temperature and humidity chamber, and then adapted for 30 minutes. Initial values were measured using LDPI. The participants were 20 women with cold hands and feet. LDPI was used to measure the initial blood flow in the lower part of the forehead.

After using the above Example 1 and Comparative Example 1 for a week, the blood flow and skin temperature were compared with the initial measured values, and the blood flow was compared with the skin initial measured values. The results are shown in Table 2 below .

LDPI results before and after use - skin blood flow division Example 1 Comparative Example 1 Rate of change after 1 week use 16.3% 1.9%

From the results of Table 2, it can be confirmed that the example of the present invention containing the mulberry extract of the present invention improves blood color by promoting blood circulation more than the comparative example containing no active ingredient. This ultimately suggests that the composition containing the mulberry extract according to the present invention can contribute to effectively transmit nutrients of the skin and inhibit and retard skin aging.

[Test Example 2] Skin tone improvement effect

In order to test the effect of improving the skin tone of Example 1 and Comparative Example 1, 10 subjects were used for each subject (once a day / once a day for a total of one week), and then Facial Stage DM-3 (Moritex, Japan) were used to evaluate the improvement of skin tone. The skin tone improvement rate was judged by the brightness and color change value of the skin using the brightness and color measurement values of the skin. The results are shown in Table 3 below.

Example 1 Comparative Example 1 Skin tone
Improvement rate (%) Brightness (mean ± standard deviation) Brightness (mean ± standard deviation) 2.1 ± 0.3 0.8 ± 0.4 Color (mean ± standard deviation) Yellow (mean ± standard deviation) 1.5 ± 0.2 0.5 ± 0.4

As can be seen from the results shown in Table 3, the comparative example not containing the extract of mackerel extract of the present invention did not exhibit a significant skin tone improving effect. However, according to the present invention, the extracts containing mackerel extract as an active ingredient, Much improved.

[Formulation Example 1] Nutritional lotion

Nutrition lotion was prepared according to a conventional method according to the composition shown in Table 4 below.

Raw material name Content (% by weight) Purified water Balance glycerin 8.0 Butylene glycol 4.0 Hyaluronic acid extract 5.0 Beta Glucan 7.0 Carbomer 0.1 Mulberry extract (Preparation Example 1) 0.05 Caprylic / capric triglyceride 8.0 Squalane 5.0 Cetearyl glucoside 1.5 Sorbitan stearate 0.4 Cetearyl alcohol 1.0 antiseptic Suitable amount incense Suitable amount Pigment Suitable amount Triethanolamine 0.1

[Formulation Example 2] Nutrition lotion

Nutrition lotions were prepared in a conventional manner according to the composition shown in Table 5 below.

Raw material name Content (% by weight) Purified water Balance glycerin 3.0 Butylene glycol 3.0 Liquid paraffin 5.0 Beta Glucan 7.0 Carbomer 0.1 Mulberry extract (Preparation Example 1) 3.0 Caprylic / capric triglyceride 3.0 Squalane 5.0 Cetearyl glucoside 1.5 Sorbitan stearate 0.4 Polysorbate 60 1.5 antiseptic Suitable amount incense Suitable amount Pigment Suitable amount Triethanolamine 0.1

[Formulation Example 3] Nourishing cream

The nutritional creams were prepared according to the compositions shown in Table 6 below in a conventional manner.

Raw material name Content (% by weight) Purified water Balance glycerin 3.0 Butylene glycol 3.0 Liquid paraffin 7.0 Beta Glucan 7.0 Carbomer 0.1 Mulberry extract (Preparation Example 1) 3.0 Caprylic / capric triglyceride 3.0 Squalane 5.0 Cetearyl glucoside 1.5 Sorbitan stearate 0.4 Polysorbate 60 1.2 antiseptic Suitable amount incense Suitable amount Pigment Suitable amount Triethanolamine 0.1

[Formulation Example 4] Pack

The packs were prepared in a conventional manner according to the composition shown in Table 7 below.

Raw material name Content (% by weight) Purified water Balance glycerin 4.0 Polyvinyl alcohol 15.0 Hyaluronic acid extract 5.0 Beta Glucan 7.0 Allantoin 0.1 Mulberry extract (Preparation Example 1) 0.5 Nonyl phenyl ether 0.4 Polysorbate 60 1.2 antiseptic Suitable amount incense Suitable amount Pigment Suitable amount ethanol 6.0

[Formulation Example 5] Ointment

Ointment was prepared in a conventional manner according to the composition shown in Table 8 below.

Raw material name Content (% by weight) Purified water Balance glycerin 8.0 Butylene glycol 4.0 Liquid paraffin 15.0 Beta Glucan 7.0 Carbomer 0.1 Mulberry extract (Preparation Example 1) 1.0 Caprylic / capric triglyceride 3.0 Squalane 1.0 Cetearyl glucoside 1.5 Sorbitan stearate 0.4 Cetearyl alcohol 1.0 antiseptic Suitable amount incense Suitable amount Pigment Suitable amount Wax 4.0

Claims (6)

Claims 1. A cosmetic composition for the improvement of hemoglobin, comprising as an active ingredient,
Wherein the water-extract of mulberry tree is a water-extract of a mixture of stem, root, flower, leaf and fruit of Mulberry. 1. A cosmetic composition for improving skin tone, comprising as an active ingredient,
Wherein the water-extract of mulberry tree is a water-extract of a mixture of stem, root, flower, leaf and fruit of Mulberry. The cosmetic composition according to any one of claims 1 to 3, wherein the content of the extract is from 0.0001 to 50.0% by weight based on the total weight of the composition. The method of claim 1 or 2, wherein the water extract of mulberry leaves is obtained by boiling extracts of a mixture of stem, root, flower, leaf, and fruit of Mulberry tree in water and then filtering and aging by leaving at 5 to 15 ° C And then filtering and concentrating the resulting filtrate under reduced pressure. A cosmetic composition comprising the cosmetic composition of claim 1 or 2. 6. The composition according to claim 5, which further comprises one or more additives selected from the group consisting of solutions, gels, solids, dough anhydrides, emulsions, suspensions, microemulsions, microcapsules, microgranules, ionic or nonionic type fecal dispersions, creams, skins, lotions, , A pack, or a concealed stick.