JP2012246247A - Powder cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a powder cosmetic having antibacterial property with a sufficient effect of inhibiting growth of microorganisms such as mold, yeast, Escherichia coli and Pseudomonas aeruginosa, without using parabens.SOLUTION: A powder cosmetic excellent in antibacterial property is obtained by compounding a mixture composed of cinnamomum zeylanicum bark oil, syzygium aromaticum leaf oil, lemongrass leaf oil, garcinia cambogia fruit extract, coconut fruit oil and thymus vulgaris oil, with a powder of sodium chloride. The antibacterial effect does not degrade even when an organic UV absorbent is simultaneously compounded.

Description

The present invention relates to a powder cosmetic. Specifically, the present invention relates to a powder cosmetic excellent in antibacterial properties using sodium chloride and a specific essential oil mixture.

Conventionally, cosmetics such as soap, lotion, milky lotion, cream and other basic cosmetics, make-up cosmetics such as funny, foundation, lipstick, blusher and eyeliner, perfume, shampoo, rinse, hair color, etc. Cosmetics are on the market.

These cosmetics contain a lot of nutrients in which fungi, bacteria, etc. are likely to grow, and there is a high possibility that these microorganisms are mixed in the cosmetics and propagated during repeated use. In particular, cosmetics such as lotions, emulsions, and creams contain a large amount of water and oil, and are under conditions that allow microorganisms to grow very easily. Therefore, in these cosmetics, an antibacterial agent is blended to prevent deterioration of the quality so as not to propagate even if mold or bacteria are mixed from the outside during use.

Known antibacterial agents used in these cosmetics include phenols such as salicylates and paraoxybenzoates, and antibacterial essential oils such as sorbic acid, dehydroacetic acid and bisabolol.

In order to maintain an appropriate antibacterial effect, a method of blending a large amount of antibacterial agents or selecting and blending several types of antibacterial agents having different antibacterial effects is used.

On the other hand, among the cosmetics described above, there are powder cosmetics mainly composed of powder, such as funny, baby powder, powder foundation, and eye shadow. In general, various inorganic and organic powders such as talc, mica, sericite and zinc oxide are used as the base material of these powder cosmetics. These base materials are blended with pigments such as titanium oxide, yellow iron oxide, and bengara, astringents such as allantochlorohydroxyaluminum and zinc phenolsulfonate, and other oils such as fats and oils as necessary.

Further, in recent years when it has been clarified that ultraviolet rays cause aging such as wrinkles and sagging, it is common to impart an ultraviolet protective effect to base makeup cosmetics such as powder foundations. Therefore, in order to impart an ultraviolet protection effect to these powder cosmetics, inorganic powders having an ultraviolet shielding ability and organic ultraviolet absorbers are blended.

Normally, these powder cosmetics do not contain water or alcohol in the formulation, and there is little need to consider microbial contamination when they are not used. It is necessary to consider pollution from puffs and air. For this reason, antibacterial agents are blended in these powder cosmetics in consideration of antibacterial properties.

As the antibacterial agent, paraoxybenzoates having a broad antibacterial spectrum and excellent safety, so-called parabens are generally used. However, there is also knowledge that people with sensitive skin have the property of feeling transient irritation.

Moreover, in the powder cosmetics which mix | blended the organic type ultraviolet absorber, it has been recognized that the antibacterial activity of the said parabens is reduced significantly (patent document 1). This is presumed to be due to the following reason. That is, since the antibacterial agent is oil-soluble, it dissolves in the organic ultraviolet absorber, and it is considered that the antibacterial agent cannot sufficiently exhibit the effect in a small amount of water at the time of use.

From such a current situation, development of means for preventing contamination from microorganisms such as fungi, yeast, Escherichia coli and Pseudomonas aeruginosa is desired without using the antibacterial agent in powder cosmetics.

By the way, sodium chloride is conventionally blended for the purpose of stabilizing the W / O emulsion composition (Patent Document 2), or blended as an astringent (Patent Document 3). It was blended with the expectation of the effect (Patent Document 4), and blended for the purpose of improving transparency with a frame kneaded soap (Patent Document 5). However, there was no idea of adding sodium chloride for antibacterial purposes.

In addition, it has been known that essential oils have antibacterial activity (Non-Patent Documents 1 and 2), but the main component is volatile oil such as terpene, and is blended so that sufficient antibacterial activity is recognized in terms of odor There were circumstances that could not be done.

JP 2003-81736 A JP 11-106310 A Japanese Patent Laid-Open No. 10-330240 Japanese Patent Laid-Open No. 10-330241 JP 2004-256805 A

Wood preservation Vol. 28-6 (2002) Tree essential oil components and their antibacterial activity Jon J. Kabara, perfume-based antiseptics Essential oils and perfumery substances as antibacterial agents, cosmetics / pharmaceuticals Antiseptic / disinfectant science (189 220), published by Fragrance Journal, 1990

The present invention has been made in view of the above-mentioned problems of the prior art, and is a powder cosmetic having antibacterial properties that has a sufficient growth inhibitory effect against microorganisms such as fungi, yeast, Escherichia coli and Pseudomonas aeruginosa. Is to provide.

Therefore, as a result of intensive studies to solve the above problems, the present inventors have found that the antibacterial property is remarkably improved by blending sodium chloride and a specific essential oil mixture as essential components. It came to be completed.

The powder cosmetic according to the present invention is characterized by containing sodium chloride and a specific essential oil mixture as essential components.

In this invention, the compounding quantity of sodium chloride is although it does not specifically limit, Usually, 0.001-1 weight% is good to mix | blend. Preferably it is 0.01 to 0.1 weight%. If the amount is less than 0.001% by weight, the effect may not be sufficient, and if the amount is more than 1% by weight, the effect is not enhanced and is uneconomical.

The particle diameter of sodium chloride used in the present invention is not particularly limited, but is preferably 10 μm or less. This is because if it is larger than 10 μm, the feeling of use may be affected.

Although the method of refinement | miniaturization of sodium chloride is not specifically limited, You may pulverize with a ball mill, an atomizer, a mixer, a likai machine, etc.

The specific essential oil mixture used in the present invention is a mixture of Ceylon Nikkei bark oil, clove leaf oil, lemongrass leaf oil, garcinia cambodia fruit extract, coconut fruit oil and perilla oil. The Ceylon Nikkei bark oil used in the present invention is an oil obtained by, for example, pressing or solvent extraction of the bark of Ceylon Nikkei (scientific name: Cinnamum zeylanicum). The clove leaf oil used in the present invention is an essential oil obtained by, for example, steam distillation of leaves of Eugenia caryophyllata Thunberg (Myrtaceae). The lemongrass leaf oil used in the present invention is an essential oil obtained by steam distillation of leaves of lemongrass (Cymbopogon citrates), for example. The Garcinia cambodia fruit extract used in the present invention is an essential oil obtained by, for example, steam distillation of a Garcinia cambogia fruit. The coconut fruit oil used in the present invention is an essential oil obtained by drying, for example, pressing or solvent extraction, from dried endosperm in a drupe, which is the seed of a coconut (Cocos nucifera) fruit. The perilla oil used in the present invention is an essential oil obtained by, for example, steam distillation of the above-ground part of pertussis (thymus vulgaris).

Although the compounding quantity of the specific essential oil used for this invention is not specifically limited, Preferably it is 0.01 to 1 weight%, More preferably, it is 0.1 to 0.3 weight%. If it is less than 0.01% by weight, the effect may be poor, and if it exceeds 1% by weight, the essential odor of the essential oil may become strong and the commercial value may be reduced.

The essential oil mixture used in the present invention may be, for example, “Sabilize Alpha” manufactured by SABINSA JAPAN CORPORATION. Sabilize Alpha is a mixture of Ceylon Nikkei bark oil, clove leaf oil, lemongrass leaf oil, garcinia cambodia fruit extract, coconut palm oil and tachytia oil as antibacterial ingredients.

Examples of the organic ultraviolet absorber used in the present invention include benzotriazole derivatives, benzophenone derivatives, salicylic acid derivatives, paraaminobenzoic acid derivatives, cinnamic acid derivatives, and urocanic acid derivatives. Preferred is t-butylmethoxydibenzoylmethane having an absorption band in the UVA region, or 2-ethylhexyl paramethoxycinnamate having an absorption band in the UVB region. The blending amount is not particularly limited, but is preferably 1 to 8% by weight as a common sense blending amount.

According to the present invention, a powder cosmetic excellent in antibacterial properties can be obtained.

As described above, the powder cosmetic in the present invention is mainly composed of powders such as talc, mica, sericite, and zinc oxide, and is a solid makeup made by powder or pressing. This refers to a material, and excludes liquid substances and viscous dosage forms dissolved in water or alcohol. For example, it is represented by funerals, foundations, blushers and eye shadows. More specifically, examples of the fungi include powdery, solid and paper, and baby powder and talcum powder. Examples of foundations include so-called powdery type, dual use type and cake type. Examples of blushers include solid blushers, and examples of eye shadows include solid powder eye shadows. Furthermore, although not included in these classifications, for example, it is also applied to powdered and solid cosmetics that contain vitamin C or a derivative thereof as a main component and dissolve in water or alcohol at the time of use.

Sodium chloride used in the present invention is used as a constituent of powder cosmetics, but other constituents can be used without any difference from conventional constituents. For example, inorganic powders such as talc, kaolin, silica, mica, sericite, calcium carbonate, magnesium carbonate, aluminum silicate, calcium silicate, magnesium silicate, barium sulfate and calcium phosphate, nylon powder, polyethylene powder, polystyrene powder, poly Powder components such as organic powders such as methyl methacrylate powder, polyfluorinated ethylene powder and cellulose powder, inorganic pigments and organic pigments are used. In addition to these, various oil components, surfactants, and the like can be used as necessary. Furthermore, various synthetic antibacterial agents such as parabens that have been widely used or natural antibacterial agents may be blended, but in the present invention, an antibacterial action can be obtained without using these antibacterial agents.

As described above, the present invention improves the antibacterial properties of powder cosmetics by blending sodium chloride and a specific essential oil mixture.

In this invention, sodium chloride and a specific essential oil mixture are mix | blended, and the antibacterial property of a powder cosmetics and a preservability are improved, Comprising: Sodium chloride and a specific essential oil mixture can be mix | blended by a normal manufacturing method.

Next, the present invention will be described in more detail based on the following examples. The present invention is not limited to the following examples. In the following description, “%” means “% by weight”.

[Antimicrobial test]
After inoculating the bacterial solution into 30 g of a powder cosmetic sample, the change in the number of bacteria was examined by the pour method. The inoculum was fungi, yeast and bacteria, and the antibacterial activity was evaluated based on the change in the number of bacteria up to 4 weeks, and the obtained results were evaluated according to the following four criteria. Of the following evaluations, ◎ or ○ was determined to be acceptable.

◎: Effect is recognized as soon as possible ○: Gradual effect is observed △: Almost no effect is observed ×: No effect is observed at all

The above-mentioned antibacterial test was conducted on the examples and comparative examples of the powder foundations having the formulations shown in Table 1 below, and the results were described. In addition, the manufacturing method of this powder foundation followed the method generally used.

※１ サビライズ アルファ：ＳＡＢＩＮＳＡ ＪＡＰＡＮ ＣＯＲＰＯＲＡＴＩＯＮ社製 (Table 1) Powder foundation

* 1 Sabilize Alpha: manufactured by SABINSA JAPAN corporation

In Table 1 above, it is clear that the system using sodium chloride and the essential oil mixture shows an antibacterial effect in a small amount, rather than using them alone. Further, the antibacterial effect was enhanced as the amount of sodium chloride or essential oil mixture was increased.

The above antibacterial test was conducted on the examples of the prescriptions shown in Table 2 below and comparative examples, and the results were described. In addition, the method for producing this funny follows the method generally used.

※１ サビライズ アルファ：ＳＡＢＩＮＳＡ ＪＡＰＡＮ ＣＯＲＰＯＲＡＴＩＯＮ社製 (Table 2) powder powder

* 1 Sabilize Alpha: manufactured by SABINSA JAPAN corporation

Also in Table 2 above, a synergistic antibacterial effect was observed when sodium chloride and an essential oil mixture were used in combination.

The above-mentioned antibacterial test was conducted on the examples and comparative examples of the powder foundations having the formulations shown in Table 3 below, and the results were described. In addition, the manufacturing method of this powder foundation followed the method generally used.

※１ サビライズ アルファ：ＳＡＢＩＮＳＡ ＪＡＰＡＮ ＣＯＲＰＯＲＡＴＩＯＮ社製 (Table 3) Powder foundation

* 1 Sabilize Alpha: manufactured by SABINSA JAPAN corporation

In the above Table 3, it is shown that the antibacterial activity of paraoxybenzoic acid ester is remarkably lowered in a system containing t-butylmethoxydibenzoylmethane which is an organic ultraviolet absorber and 2-ethylhexyl paramethoxycinnamate. It was done. On the other hand, even in the system containing the organic ultraviolet absorber, the antibacterial activity was not lowered in the system using sodium chloride and the essential oil mixture in combination, and a good antibacterial effect was shown. Also, good antibacterial effects were obtained in Examples 16 to 23 shown below.

Example 16 (powdering)
Ingredient name Compounding amount (%)
(1) Talc 76.8
(2) Mica 10.0
(3) Sericite 10.0
(4) Titanium dioxide 3.0
(5) Sodium chloride (average particle size 3 μm) 0.1
(6) Essential oil mixture (Sabilize Alpha) 0.1
Total 100.0
(Manufacturing method)
Components (1) to (5) were stirred and mixed with a Henschel mixer. After the component (6) dissolved by heating in the mixture was added, it was further mixed and made uniform. This was processed with an atomizer, and a powdered powder was obtained through a sieve.

Example 17 (solid-colored)
Ingredient name Compounding amount (%)
(1) Talc 71.899
(2) Mica 10.0
(3) Sericite 10.0
(4) Titanium dioxide 3.0
(5) Squalane 5.0
(6) Sodium chloride (average particle size 5 μm) 0.1
(7) Essential oil mixture (Sabilize Alpha) 0.001
Total 100.0
(Manufacturing method)
Components (1) to (4) and (6) were mixed with stirring using a Henschel mixer. After adding the heated melt of components (5) and (7) to the mixture, the mixture was further mixed and made uniform. This was treated with an atomizer, passed through a sieve, and then compression molded into a metal pan to obtain a solid mold.

Example 18 (baby powder)
Ingredient name Compounding amount (%)
(1) Talc 96.75
(2) Zinc oxide 3.0
(3) Sodium chloride (average particle size 1 μm) 0.05
(4) Essential oil mixture (Sabilize Alpha) 0.2
Total 100.0
(Manufacturing method)
Components (1) to (3) were stirred and mixed with a Henschel mixer. After the component (4) dissolved by heating in the mixture was added, the mixture was further mixed and made uniform. This was treated with an atomizer, and baby powder was obtained through a sieve.

Example 19 (powder foundation)
Ingredient name Compounding amount (%)
(1) Talc 14.89
(2) Mica 30.0
(3) Sericite 17.2
(4) Nylon powder 10.0
(5) Titanium dioxide 16.0
(6) Bengala 0.5
(7) Yellow iron oxide 1.0
(8) Black iron oxide 0.2
(9) Squalane 5.0
(10) Lanolin 1.0
(11) Octyldodecyl myristate 2.0
(12) Sorbitan monooleate 1.0
(13) t-Butylmethoxydibenzoylmethane 1.0
(14) Sodium chloride (average particle size 3 μm) 0.01
(15) Essential oil mixture (Sabilize Alpha) 0.2
Total 100.0
(Manufacturing method)
Components (1) to (8) and (14) were stirred and mixed with a Henschel mixer. After adding the heated melt of components (9) to (13) and (15) to the mixture, the mixture was further mixed to make it uniform. This was treated with an atomizer, passed through a sieve, and then compression molded into a metal pan to obtain a powder foundation.

Example 20 (both-use foundation)
Ingredient name Compounding amount (%)
(1) Silicone-treated talc 22.0
(2) Silicone-treated mica 41.69
(3) Nylon powder 5.0
(4) Silicone-treated fine particle titanium dioxide 5.0
(5) Silicone-treated titanium dioxide 10.0
(6) Silicone-treated bengara 0.5
(7) Silicone-treated yellow iron oxide 1.0
(8) Silicone-treated black iron oxide 0.2
(9) Squalane 3.0
(10) Solid paraffin 0.5
(11) Dimethylpolysiloxane 3.0
(12) Ethylhexyl paramethoxycinnamate 6.0
(13) t-Butylmethoxydibenzoylmethane 2.0
(14) Sodium chloride (average particle size 10 μm) 0.01
(15) Essential oil mixture (Sabilize Alpha) 0.1
Total 100.0
(Manufacturing method)
Components (1) to (8) and (14) were stirred and mixed with a Henschel mixer. After adding the heated melt of components (9) to (13) and (15) to the mixture, the mixture was further mixed to make it uniform. This was treated with an atomizer, passed through a sieve, and then compression molded into a metal pan to obtain a powder foundation.

Example 21 (cake foundation)
Ingredient name Compounding amount (%)
(1) Talc 27.469
(2) Mica 24.43
(3) Sericite 10.0
(4) Titanium dioxide 10.0
(5) Zinc oxide 5.0
(6) Bengala 0.5
(7) Yellow iron oxide 1.0
(8) Black iron oxide 0.2
(9) Squalane 10.0
(10) Isostearic acid 3.0
(11) Octyl dodecyl myristate 4.0
(12) Sorbitan monooleate 3.0
(13) Ethylhexyl paramethoxycinnamate 1.0
(14) Sodium chloride (average particle size 3 μm) 0.001
(15) Essential oil mixture (Sabilize Alpha) 0.3
Total 100.0
(Manufacturing method)
Components (1) to (8) and (14) were stirred and mixed with a Henschel mixer. After adding the heated melt of components (9) to (13) and (15) to the mixture, the mixture was further mixed to make it uniform. This was treated with an atomizer, passed through a sieve, and then compression molded into a metal pan to obtain a cake foundation.

Example 22 (blusher)
Ingredient name Compounding amount (%)
(1) Mica 23.0
(2) Sericite 71.6
(3) Bengala 0.05
(4) Black iron oxide 0.05
(5) Red No. 223 0.1
(6) Liquid paraffin 5.0
(7) Sodium chloride (average particle size 5 μm) 0.1
(8) Essential oil mixture (Sabilize Alpha) 0.1
Total 100.0
(Manufacturing method)
Components (1) to (5) and (7) were mixed with stirring using a Henschel mixer. After adding the heated melt of components (6) and (8) to the mixture, the mixture was further mixed and made uniform. This was treated with an atomizer, passed through a sieve, and then compression molded into a metal pan to obtain blusher.

Example 23 (eye shadow)
Ingredient name Compounding amount (%)
(1) Mica 34.245
(2) Sericite 46.9
(3) Ultramarine 2.0
(4) Titanium dioxide 0.05
(5) Black iron oxide 0.5
(6) Mica titanium 10.0
(7) Liquid paraffin 5.0
(8) Sorbitan sesquioleate 1.0
(9) Sodium chloride (average particle size 10 μm) 0.005
(10) Essential oil mixture (Sabilize Alpha) 0.3
Total 100.0
(Manufacturing method)
Components (1) to (6) and (9) were stirred and mixed with a Henschel mixer. After adding the heated melts of the components (7) to (8) and (10) to the mixture, they were further mixed and made uniform. This was treated with an atomizer, passed through a sieve, and then compression molded into a metal pan to obtain an eye shadow.

ADVANTAGE OF THE INVENTION According to this invention, antibacterial property can fully be exhibited in powder cosmetics by mix | blending sodium chloride and a vegetable essential oil mixture as an active ingredient. It is also very effective in powder cosmetics containing an ultraviolet absorber that significantly reduces antibacterial activity. As a result, rot and mold growth after opening can be suppressed, and the storage stability of the powder cosmetic can be improved.

Claims (6)

A powder cosmetic comprising: a mixture of Ceylon Nikkei bark oil, clove leaf oil, lemongrass leaf oil, garcinia camphor fruit extract, coconut fruit oil and perilla oil, and sodium chloride powder. The powder cosmetic according to claim 1, comprising an organic ultraviolet absorber. The powder cosmetic according to claim 2, wherein the organic ultraviolet absorber is ethylhexyl paramethoxycinnamate and / or t-butylmethoxydibenzoylmethane. The content of a mixture consisting of Ceylon Nikkei bark oil, clove leaf oil, lemongrass leaf oil, Garcinia cambodia fruit extract, coconut palm oil and perilla oil, and a powder content of sodium chloride The powder cosmetic according to any one of claims 1 to 3, wherein is 0.001-1 wt%. The powder cosmetic according to any one of claims 2 to 4, comprising 1 to 8% by weight of an organic ultraviolet absorber. The average particle diameter of sodium chloride is 10 micrometers or less, The powder cosmetics as described in any one of Claims 1-5 characterized by the above-mentioned.