KR101391768B1 - Powder Cosmetic Composition Comprising TRIHYDROXYSTEARIN As Inorganic Binder and Manufacturing Method Thereof - Google Patents

Abstract

The present invention provides a powder cosmetic composition capable of minimizing skin irritation without containing an oil binder, comprising: (i) a powdered cosmetic composition comprising TRIHYDROXYSTEARIN as an inorganic binder, ; And (ii) a powder (powder) component. The cosmetic composition of the present invention is advantageous in that it is excellent in cosmetic durability and sebum control while ensuring molding stability, and has a light feeling.

Description

TECHNICAL FIELD [0001] The present invention relates to a powder cosmetic composition comprising trihydroxystearin as an inorganic binder, and a powder cosmetic composition containing the trihydroxystearin as an inorganic binder,

The present invention relates to a powder cosmetic composition comprising TRIHYDROXYSTEARIN as an inorganic binder, and more particularly to a powder cosmetic composition comprising TRIHYDROXYSTEARIN and a powder (powder) ingredient as an inorganic binder, To a powder cosmetic composition.

The cosmetic composition of the present invention is excellent in molding stability, light in use feeling, excellent in sebum control and persistent in makeup.

In general, the term "cosmetic preparation" refers to a substance which is used in cleaning, spraying, or the like to clean or groom the human body and keep the body such as skin or hair healthy, and has a slight action on the human body.

Make-up cosmetics can be divided into base make-up groups such as two-way cakes, foundation and face powder, and point make-up groups such as lipstick and nail cosmetics depending on the makeup area. Depending on the formulation, emulsion type such as emulsified foundation, make- Skin cover, lipstick, etc., and powder type such as two-way cake and face powder. Make-up cosmetics are used to cover or hide the defects of the skin and function to give a beautiful color, that is, to beautify the skin and to protect the skin such as nourishment, convergence effect, moisturizing function and protecting the skin from ultraviolet rays .

Powder type make-up cosmetic powder is generally a solid cake obtained by compression molding powdery or powdery powder, loose type powdery powdery powdery type, solid powdery compression molding method in which powdery content is directly pressed on a plate, And a solvent-type method in which the mixture is mixed with a solvent to form a slurry state and then dried.

Powder make-up cosmetics with two solid shapes include two-way cakes, powder facts, ball papers, and eye shadows. Composition is composed of powder part and oil part. The powder part is composed of coloring components such as talc, mica, calcium carbonate, mica titanium, nylon powder and silica, and coloring components such as titanium oxide, iron oxide and chromium oxide, and trioctanoin, cetyl octanoate, Ester-based oils such as diisostearyl stearate and tridodecylisononanoate, hydrocarbon oils such as squalane and mineral oil, and silicone oils such as dimethicone, phenyltrimethicone, and cyclopentasiloxane.

Here, in the case of solid powder make-up in which the powdered contents are directly compression-molded, it is difficult to obtain a product in which the oil and the powder are homogeneously dispersed by mechanically spraying and dispersing the oil as the binder in the powder, It has a disadvantage that it lacks softness and gives rough texture and low coloring power. Further, when a raw material having a high melting point such as wax or semi-wax is used as a binder as a binder, dispersion of the binder becomes more difficult and agglomeration becomes worse.

Compressed powder generally forms a makeup cosmetic product line, such as powder facts and twin facts. Compressed powders must be stable in powder form and free from dusting. Solid powder, on the other hand, does not require molding in powder form.

 Compressed powders typically contain about 10.0 wt.% Silicone oil and mineral oil. Oils are mainly used to help formability during powder compression, to prevent breakage against external impacts, and to prevent dusting when taken as a makeup tool. On the other hand, since the powdered powder does not require formability, the content of the oil binder is generally less than 5 wt%. Therefore, it has the advantage of giving a feeling of light coating although it is dusty compared with compressed powder in use.

However, a commonly used makeup cosmetic oil containing oil not only deteriorates sebum absorption ability inherent in the oil, but also has the possibility of inducing irritation caused by oil in sensitive skin. Also, due to the cohesiveness of the oil binder, it is easily caused to aggregate in the skin, thereby deteriorating the properties of the toilet paper.

In JP-A-10-2009-0098715 (an oil-free makeup cosmetic composition comprising an aqueous dispersion binder and a powder mixture), an aqueous dispersion binder composed of a polyol and an increasing agent is used, 0048737 (the name of the invention: oil-free compression or solid powder cosmetic composition) does not use an oil binder at all, but uses a fine polymer powder with high cohesiveness. However, a cosmetic composition containing trihydroxystearin as an inorganic binder Related literature has not been reviewed.

Numerous papers and patent documents are referenced and cited throughout this specification. The disclosures of the cited papers and patent documents are incorporated herein by reference in their entirety to better understand the state of the art to which the present invention pertains and the content of the present invention.

The present inventors have made extensive efforts to develop a powder cosmetic composition having similar or improved drop stability and feel to a makeup product containing an oil binder without using an oil binder that can cause troubles and irritation to the skin. As a result, it has been found that when powder cosmetic composition containing TRIHYDROXYSTEARIN and powder is used as an inorganic binder, it is more stable than conventional powder cosmetic composition, But also a powdery cosmetic composition having a light feeling can be developed. Thus, the present invention has been completed.

It is therefore an object of the present invention to provide a powder cosmetic composition comprising a trihydroxystearin inorganic binder and a powder component.

Another object of the present invention is to provide a method for producing a powder cosmetic composition comprising the above-mentioned trihydroxystearin inorganic binder and a powder component.

The present invention relates to a powder cosmetic composition comprising trihydroxystearin as an inorganic binder.

The present inventors have made extensive efforts to develop a powder cosmetic composition having similar or improved drop stability and feel to a makeup product containing an oil binder without using an oil binder that can cause troubles and irritation to the skin. As a result, it has been found that when a powder cosmetic composition including an TRIHYDROXYSTEARIN and a powder is used as an inorganic binder, a high molding stability is obtained compared to conventional powder cosmetic compositions, It is possible to develop a powder cosmetic composition having not only excellent control but also a light feel.

According to one aspect of the present invention, there is provided a powder cosmetic composition which can minimize skin irritation without containing an oil binder, which comprises a powder cosmetic composition comprising:

(a) TRIHYDROXYSTEARIN as an inorganic binder; And

(b) Powder (powder) component.

The term " inorganic binder " in this specification is also referred to as a metal-stone gauge and refers to an inorganic binder. Zinc stearate, zinc myristate, magnesium stearate, magnesium myristate, and the like are generally used in the cosmetics industry. The binder is a linking material that connects the material and the material. The inorganic binder is added to the makeup product as a powder state instead of the oil state, and provides a bonding force to the extender pigment, the white pigment, and the pigment, thereby enhancing the molding stability.

The term " TRIHYDROXYSTEARIN " as used herein is a solid fat obtained from castor oil and ricinoleic acid contained in glycerin, and is well adsorbed on the skin surface. A mixture of glycerin and a fatty acid, which is used as an emollient and a thickening agent. Trihydroxystearin, which is mainly used as an emulsifying agent for emulsifiers, is used as an inorganic binder. It is a powder that does not contain silicone and esters which can cause skin irritation and trouble. And is a very important component for completing the cosmetic composition.

The term " powder component " in this specification may refer to a state where powder alone or a plurality of powders are mixed. The main technical features of the present invention are that when trihydroxystearin is used with an inorganic binder, it has high molding stability and excellent cosmetic persistence and sebum control, A powder cosmetic composition can be produced. Accordingly, when the trihydroxystearin is included as an inorganic binder regardless of the kind of the powder component, the cosmetic can exhibit high molding stability and light feeling regardless of the kind of powder used. Therefore, Quot; powder component " is used, the present specification is not made unclear.

According to a preferred embodiment of the present invention, the powder component is selected from the group consisting of talc, mica, sericite, boron nitride, nylon, silica, polymethylmethacrylate, titanium mica, bentonite, small spheres of acrylic resin, titanium oxide, But are not limited to, powder components selected from the group consisting of carbon black, zinc oxide, chromium oxide, chromium hydroxide, alumina, calcium silicate, calcium carbonate, and combinations thereof. The powder component can be freely contained.

According to a preferred embodiment of the present invention, the trihydroxystearin of the present invention is used in combination with a ball mill, a disintegrator in a pulverizer, a screen mill in a pulverizer (atomizer), a hammer A crusher selected from the group comprising a hammer mill, a malmal crusher, a pin mill and an air jet mill. According to a preferred embodiment of the present invention, The trihydroxystearin of the present invention can be used as a ball mill, a disintegrator in a pulverizer, a screen mill in a pulverizer, an atomizer, a hammer mill, , A pin mill, and an air jet mill. The pulverized product may be one selected from the group consisting of a pulverizer, a pin mill, and an air jet mill.

The term " crushing " in the present specification is an operation of adjusting the particle size, particle size distribution, apparent density, surface area, and the like of the pulverized product by applying energy to the target material to reduce its size. This is a process of reducing the particle size by applying mechanical energy to the solid mass by particle reduction technique. That is, it is a mechanical unit process which has a very high energy consumption, which reduces the particle size and the specific surface area by subdividing the solid material by mechanical external force . In the preparation of the powder cosmetic composition, the raw material (inorganic pigment) is mixed in a mixer, and the fragrance and the binder are spray-mixed, followed by pulverization and filtration. In this process, many grinding methods are used and classified according to the particle size or the force transmission mechanism (reciprocating motion, rotation, type of medium, etc.) of the target particles and the movement method (compression, vibration, etc.) Is used.

According to a preferred embodiment of the present invention, the trihydroxystearin of the present invention may be pulverized using an air jet mill.

As used herein, the term 'air jet mill' is a horizontal jet mill developed for the purpose of pulverizing ultrafine powder, which generates a high velocity swirling flow in a chamber to induce collision between particles to induce ultrafine powder pulverization And is a commonly used pulverizing machine in the art. In the present specification, when trihydroxystearin is included as an inorganic binder, the particle size of trihydroxystearin is uniformized and made small through the air impact grinder, so that the dispersibility in the cosmetic composition is improved, resulting in high molding stability and cosmetic sustainability, Since the powder cosmetic composition can be produced, the use of an air impact grinder is very important.

According to a preferred embodiment of the present invention, the trihydroxystearin of the present invention may be pulverized using an air jet mill.

As used herein, the term 'air jet mill' is a horizontal jet mill developed for the purpose of pulverizing ultrafine powder, which generates a high velocity swirling flow in a chamber to induce collision between particles to induce ultrafine powder pulverization And is a commonly used pulverizing machine in the art. In the present specification, when trihydroxystearin is included as an inorganic binder, the particle size of trihydroxystearin is uniformized and made small through the air impact grinder, so that the dispersibility in the cosmetic composition is improved, resulting in high molding stability and cosmetic sustainability, Since the powder cosmetic composition can be produced, the use of an air impact grinder is very important.

According to a preferred embodiment of the present invention, the air impact mill may preferably have a pressure condition of 0.1-15.0 bar, more preferably 1.0-10.0 bar, most preferably 2.0-8.0 bar Lt; / RTI >

The most preferable pressure condition in this specification is 2.0 to 8.0 bar because the particle size of trihydroxystearin is 15 m or more before the treatment and 5 m or more when treated at 2 bar or more and the granularity change according to the pressure up to 8 bar is not large .

According to a preferred embodiment of the present invention, the trihydroxystearin preferably has a particle size of 1-10 占 퐉, more preferably 4-10 占 퐉.

According to a preferred embodiment of the present invention, the trihydroxystearin may preferably comprise from 0.1 to 20% by weight, more preferably from 0.1 to 15% by weight, and most preferably from 5 to 10% % By weight.

The reason why the content of trihydroxystearin is the most preferable in the present specification is 5-10% by weight is because when the content of the trihydroxystearin is less than 5.0% by weight, the molding stability is lowered. When the content is more than 10.0% There is a problem that the dispersibility of the Roxy-stearin is lowered and the hand texture is lowered. Therefore, the content of the trihydroxystearin in the present specification is very important.

According to a preferred embodiment of the present invention, the formulation of the powder cosmetic composition may be selected from the group comprising compressed powders and powdered powders.

The difference in formulation of the powder cosmetic composition in this specification is due to the difference in the content of the oil binder used in the preparation of the conventional powder cosmetic composition. The compressed powder contains an oil binder of about 10.0% by weight, The content of the binder may be about 5% by weight. Thus, in the present specification, the difference in formulation of the powder cosmetic composition may be a difference in the content of trihydroxystearin as an inorganic binder.

According to another aspect of the present invention, there is provided a process for preparing a powder cosmetic composition comprising the steps of:

(a) pulverizing trihydroxystearin using an air jet mill; And

(b) mixing the comminuted trihydroxystearin and the powder components of step (a).

Since the powder cosmetic composition containing trihydroxystearin as an inorganic binder is described in more detail with respect to the method for producing the powder cosmetic composition, the same contents as those described above are omitted for the sake of the excessive complexity of the present invention. do.

 The cosmetic composition of the present invention is advantageous in that it is excellent in cosmetic durability and sebum control while ensuring molding stability, and has a light feeling.

The features and advantages of the present invention are summarized as follows:

(a) A powder cosmetic composition which is free from oil binders and which can minimize skin irritation, which comprises a powder cosmetic composition comprising: (i) an inorganic binder, wherein the trihydroxystearine (TRIHYDROXYSTEARIN); And (ii) a powder (powder) component.

(b) The powder cosmetic composition of the present invention has an advantage of being excellent in falling stability and moldability as a powder using an oil binder.

(c) The powder cosmetic composition of the present invention provides an advantage of improving the adhesiveness and the durability while taking advantage of the light usability and refreshing feeling of the powder.

1 shows the particle size measurement results of trihydroxystearin according to the pressure change of the air impact grinder.

Hereinafter, the present invention will be described in more detail with reference to Examples. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not to be construed as limiting the scope of the present invention. It will be self-evident.

Example

Throughout this specification, "%" used to denote the concentration of a particular substance is intended to include solids / solids (wt / wt), solid / liquid (wt / The liquid / liquid is (vol / vol)%.

Manufacturing example  One: Trihydroxystearine  Manufacture of powders containing

Powder cosmetic compositions containing trihydroxystearin of Comparative Examples 1 and 2 and Examples 1, 2, 3 and 4 were prepared with the composition (unit: wt%) shown in Table 1 below. Comparative Examples 1 and 2 correspond to a powder cosmetic composition not containing trihydroxystearin, Examples 1 and 2 correspond to a powder cosmetic composition comprising 5.0 wt% and 10.0 wt% of trihydroxystearin, respectively, In Examples 3 and 4, a cosmetic composition was prepared so as to contain 5.0 wt% and 10.0 wt% of trihydroxystearin, respectively, subjected to air impact pulverization.

Specific examples of the production method are shown below. In Examples, talc, synthetic fluorophosphate, sericite, mica, silica, titanium dioxide, zinc oxide, iron oxide, methylparaben and propylparaben The mixture was weighed and dissolved. Thereafter, pressure of 4 bar was applied through an air impact grinder to crush the trihydroxystearin, and the filtered powder was added to the mixture and mixed.

In the comparative example, talc, synthetic fluorine fluorite, sericite, mica, silica, titanium dioxide, zinc oxide, iron oxide, methylparaben and propylparaben (preservative) were weighed and dissolved according to the contents of Table 1 below and then mixed . Then, the oil binder components, isodecyl neopentanoate, hexyl laurate, diglyceryl triisostearate and dimethicone were weighed and mixed, heated to 80 ° C, dissolved and mixed. Then, the mixture was added to the mixture, mixed, pulverized twice, and then filtered.

Preparation of Powder Cosmetic Composition Containing Trihydroxystearin as an Inorganic Binder division ingredient Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Comparative Example 2 1. Talc To. 100 To. 100 To. 100 To. 100 To. 100 To. 100 2. Synthetic fluorofluorophosphate 15.0 15.0 15.0 15.0 15.0 15.0 3. Seri Site 10.0 10.0 10.0 10.0 10.0 10.0 4. Mica 10.0 10.0 10.0 10.0 10.0 10.0 5. Silica 8.0 8.0 8.0 8.0 8.0 8.0 6. Titanium Dioxide 10.0 10.0 10.0 10.0 10.0 10.0 7. Zinc oxide 2.0 2.0 2.0 2.0 2.0 2.0 8. Iron oxide q.s q.s q.s q.s q.s q.s 9. Methylparaben, propylparaben (preservative) 0.2 0.2 0.2 0.2 0.2 0.2 10. TRIHYDROXYSTEARIN 5.0 10.0 - - - - 11. Air impact crushing at 4.0 bar
TRIHYDROXYSTEARIN - -

5.0

10.0 - - 12. Isodecyl neopentanoate - - - - - 2.0 13. Hexyl Laurate - - - - - 2.0 14. Diglyceryl triisostearate - - - - - 3.0 15. Dimethicone - - - - - 2.0

Experimental Example  One : Trihydroxystearine  Mold stability test of powder containing

The molding stability test is as follows. After 100 samples of each of the make-up cosmetic samples obtained in Examples 1 to 4 and Comparative Examples 1 and 2 were molded, the makeup cosmetic material was allowed to fall freely at a height of 70 cm, and then the state of the makeup cosmetic was stabilized five times: five times, , Three times: three times, two times: two times, and once: one time. Similar dropping stability was observed when trihydroxystearin was added instead of oil binder, and drop stability tended to increase with the increase of dispersibility during air impact milling. Table 2 shows the results of the drop stability test according to the change in the content of trihydroxystearin.

Drop stability test according to the content of trihydroxystearin division Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Comparative Example 2 Drop stability 3.1 4.2 3.9 4.4 Incomparable 4.1

Experimental Example  2 : Trihydroxystearine  Of powder containing Feeling  And makeup persistence test

The feeling of use and makeup persistence according to the content of trihydroxystearin were confirmed. The feeling of use and make - up persistence were tested by consumer panel, and evaluation of dustiness, adhesion, and wearability of cosmetics during make - up. In terms of feeling of use, similar characteristics to those of the comparative example are shown, and those containing trihydroxystearin treated with air impact pulverization tend to have superior sebum control and light feeling. This can be attributed to the fact that the dispersibility in the cosmetic composition is improved by making the particle size uniform and small through the air impact grinding of the trihydroxystearin used as the inorganic binder. Table 3 shows the mean value of each of 30 women between 20 and 30 years old for a comprehensive evaluation of feeling and makeup persistence.

The properties of the cosmetic compositions of Examples 1, 2, 3 and 4 and Comparative Examples 1 and 2 division Dusting Spreadability Sebum control Persistence Light feeling Example 1 △ △ ○ △ ○ Example 2 △ △ ○ △ ○ Example 3 △ ○ ○ ○ ○ Example 4 ○ ○ ◎ ○ ◎ Comparative Example 1 Unable to evaluate. Comparative Example 2 ○ ○ △ ○ △

([Judgment Criteria]?: Very good?: Good?: Normal X: poor)

Claims (7)

(a) an inorganic binder, wherein TRIHYDROXYSTEARIN having a particle size of 1-10 mu m is 5.0-10.0 wt% based on the total weight of the cosmetic composition; And
(b) a powder (powder) component,
Compressed powder cosmetic composition capable of minimizing skin irritation without oil binder.
delete delete (a) The compressed powder cosmetic composition according to claim 1, wherein the trihydroxystearin is air-impact pulverized with an air impingement mill having a pressure of 1.0 to 10.0 bar to control its particle size.
The compressed powder cosmetic composition according to claim 4, wherein the pressure condition is 2.0-8.0 bar. delete delete

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