JP2005104894A - Oily cosmetic - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an oily cosmetic solving the problems that, for obtaining cosmetics having diversified functional effects on the skin and improved in feeling in use, a plurality of ingredients effective to the skin need to be formulated, however, the balance of formulating them and their stability with time are difficult to accomplish, and such cosmetics with good feeling in use are difficult to realize. <P>SOLUTION: The oily cosmetic is obtained by mixing oil soluble vitamin(s) selected from vitamin A, oil soluble vitamin C, vitamin D, vitamin E and vitamin K and powder material(s) selected from extender pigment, inorganic pigment, pearl pigment, surface-treated pigment and composite pigment into a semi-solid dosage form including an inulin fatty acid ester and a cyclic silicone. The mixing amounts are as follows: the liposoluble vitamin(s):0.01-50.00 wt.%, the powder material(s): 0.10-5.00 wt.%, the inulin fatty acid ester:5.00-30.00 wt.%, and the cyclic silicone:30.00-80.00 wt.%. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an oily cosmetic excellent in spreadability, feeling of use, and stability.

  Conventionally, cosmetics that have effects such as moisturizing, giving abundant skin, keeping texture, maintaining flexibility, preventing rough skin, etc. have lotion types such as lotion type, cream, emulsion type, and gel type. In general, these cosmetics are mainly composed of solvents such as water and ethanol, water retention agents, moisturizing / wetting agents, emulsifiers and the like. Until now, in order to obtain a comfortable feeling of use as a cosmetic product and to maintain stability over time, studies have been conducted from selection of cosmetic raw materials to formulation development, stability and safety tests. In the case of lotion, a skin conditioning agent, a film-forming agent, an emollient, etc. are formulated based on a solvent and a moisturizing / wetting agent. If necessary, a solubilizer, pH adjuster, antioxidant, chelating agent, viscosity Consideration is being given to improve the feeling of use, stability as a product, and safety for the skin and mucous membranes by adding a reducing agent. Similarly, creams and emulsions are formulated with emphasis on the selection of emulsifiers and emulsification stability, and gel types are also being developed with attention to the selection of thickeners and gelling agents and formulation stability.

  However, cosmetics that have effects such as moisturizing, giving abundant skin, keeping texture, maintaining flexibility, preventing rough skin, etc. have been used in the past with lotion types, gel types, or moisture + Since the emulsion type and cream type consisting of oil were mainstream, there was a limit to the development of cosmetic formulations with higher functionality and improved usability. That is, in order to give the above-mentioned effects to the skin, it is conceivable to combine various vitamins having various effects, but the combination combination of vitamins is such as solubility in individual vitamins. Due to the problems, prescriptions combining a plurality of vitamins are difficult and cannot be easily manufactured. In particular, vitamin Cs that suppress tyrosinase activity to prevent spots and freckles and also have a whitening effect have so far been water-soluble raw materials. Therefore, in combination with other oil-soluble vitamins, water + oil Although the development of prescriptions has been studied with the emulsion type and cream type, etc., the actual situation was that the production was extremely difficult because there were limitations on the compounding amount and there was concern about the stability of the formulation. When considering the combination of other cosmetic ingredients, differences in the characteristics of the individual ingredients, especially differences in water and oil solubility, changes over time, problems in the compounding system (discoloration, odor, recrystallization, etc.) Because the prescription is focused on combination blending, there are many restrictions on the combination blending of raw materials, such as the feeling of use significantly decreases due to the introduction of more second and third components than necessary. There were also aspects where cosmetics could not be developed (Patent Document 1, Patent Document 2).

In addition, conventional dosage forms such as lotions, gels, milky lotions and creams, as represented by vitamins, are limited in terms of improving functionality by combination due to solubility problems, etc., as well as protecting the skin In other words, it has the two purposes of maintaining sufficient moisturizing and sustaining the effectiveness of various effective ingredients, and improving the texture of the skin, with excellent spreadability and finish feeling, and having a base effect before makeup. There was a limit to the development of cosmetics.
In addition to dosage forms such as lotions, gels, emulsions and creams, semi-solid dosage forms composed of inulin fatty acid esters and cyclic silicones have also been proposed, but they have been devised to improve functionality. There was no current situation (Patent Document 3).
JP 2002-284636 A JP 2002-284620 A Japanese Unexamined Patent Publication No. 7-196437

  As mentioned above, especially vitamins necessary to obtain cosmetics with various effects such as moisturizing the skin, giving a beam, preparing a texture, keeping flexibility, preventing rough skin, etc. It was difficult to mix and blend, there were troubles such as discoloration, strange odor, recrystallization due to the blending of various raw materials, and the feeling of use was significantly reduced by blending multiple agents, etc. This is a problem in conventional cosmetics, and this is the problem to be solved by the present invention.

  In view of the drawbacks of the conventional cosmetics as described above, the present invention is a semi-solid comprising an inulin fatty acid ester and a cyclic silicone as a new dosage form different from the conventional mainstream lotions, gels, emulsions and creams. By selecting a dosage form of the shape and adding oil-soluble vitamins to this, it is possible to mix multiple vitamins, thereby having a wide variety of effects and texture by adding powder raw materials to this, It has succeeded in providing a semi-solid oily cosmetic with excellent usability.

  In order to achieve the above-described oily cosmetics, the present invention provides oil-soluble vitamins intended for vitamins A, oil-soluble vitamins C, vitamins D, vitamins E, and vitamins K, body pigments, One or two or more powder raw materials for inorganic pigments, pearl pigments, surface-treated pigments, and composite pigments are blended, and inulin fatty acid esters and cyclics are used as base components to form semi-solid dosage forms. It contains silicone. The blending amounts are 0.01 to 50.00% by weight of oil-soluble vitamins, 0.10 to 5.00% by weight of powder raw material, 5.00 to 30.00% by weight of inulin fatty acid ester, and 30.0 to 80.0% by weight of cyclic silicone.

  That is, the present invention provides (1) an oil-based cosmetic comprising 1 or more types of oil-soluble vitamins and powder raw materials in a semi-solid dosage form containing inulin fatty acid ester and cyclic silicone, 2) Oily cosmetics according to (1), wherein inulin fatty acid ester is blended in the range of 5.0 to 30.0% by weight, (3) The degree of esterification of inulin fatty acid ester is 2.2 or more per monosaccharide unit Yes, the oily cosmetic according to (1) or (2), wherein the fatty acid as a constituent component has 8 to 22 carbon atoms, and (4) cyclic silicone is blended in the range of 30.0 to 80.0% by weight (1 The oily cosmetic according to (2) or (3), and (5) the cyclic silicone is selected from octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane and dodecamethylcyclohexasiloxane. (1) Oil-based cosmetics according to (2) (3) or (4), (6) Oil-soluble vitamins are vitamin A, oil-soluble vitamin C, vitamin D, vitamin E and vitamin K (1) (2) (3) The oily cosmetic according to (4) or (5), (7) The powder raw material is an extender pigment, an inorganic pigment, a pearl pigment, a surface-treated pigment and a composite (1) (2) (3) (4) The oily cosmetic according to (5) or (6), and (8) 0.01 to 50.00% by weight of oil-soluble vitamins, powder raw material 0.10 (1), (2), (3), (4), (5), (6), or (7) blended in a proportion of ˜5.00 wt%, inulin fatty acid ester 5.00 to 30.00 wt%, and cyclic silicone 30.0 to 80.0 wt% It relates to the oily cosmetic described.

In the present invention, the effects listed below can be obtained.
By combining one or more oil-soluble vitamins targeting vitamin A, oil-soluble vitamin C, vitamin D, vitamin E and vitamin K, all kinds of skin can be treated with a single cosmetic. Vitamin E helps to rejuvenate skin, improves wrinkles, makes it less noticeable, inhibits tyrosinase activity with vitamin C, prevents spots and freckles, and provides whitening effect. It is possible to obtain effects such as preventing oxidation of oxygen, suppressing active oxygen, and adjusting skin condition with vitamin D.

  By blending one or more powder raw materials for extender pigments, inorganic pigments, pearl pigments, surface treatment pigments, and composite pigments, the skin texture is adjusted, spreadability, long-lasting effect, sebum absorption , Prevention of shine, good finish, smoothness, matte (no oil-specific shine is seen even if applied and stretched, smoothing uneven skin) Is possible.

  By blending inulin fatty acid ester and cyclic silicone as the base components that make up the semi-solid dosage form, it feels different from conventional liquid and gel forms. In particular, it is possible to find a synergistic effect with the above powder. In addition, the application amount and application range such as partial use, point use, and entire face use can be controlled.

  Containing a semi-solid dosage form, and blending one or more oil-soluble vitamins and powder raw materials, respectively, to protect the skin, that is, maintain sufficient moisturizing and effective efficacy of various effective ingredients Cosmetics having two purposes, that is, the purpose of sustainability, the texture of the skin, excellent spreadability and finished feeling, and a base effect before make-up are possible.

  BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below on the best mode for carrying out the invention.

Various vitamins including oil-soluble vitamins used in the present invention control animal nutrition in minute amounts in addition to proteins, lipids, carbohydrates, and inorganic salts, and smoothly perform physiological functions such as reproduction and metabolism. A generic term for a group of organic compounds that act catalytically. Currently known vitamins are vitamins A, B1, B2, B5, B6, B12, C, D2, D3, E, K1, K2, K3 and biotin, nicotinic acid and folic acid. Vitamins can be divided into two categories: fat-soluble (oil-soluble) vitamins and water-soluble vitamins. Fat-soluble vitamins include vitamins A, D, E, and K, and water-soluble vitamins include B and C.
In the present invention, the above oil-soluble vitamins and water-soluble vitamin C are used as oil-soluble derivatives. By using the oil-soluble vitamin C derivative, the combination with other oil-soluble vitamins became easy.
Various oil-soluble vitamins will be described below.

Vitamin A sometimes refers to vitamin A1, but it is a generic term that includes related substances that have the physiological effects of vitamin A, such as vitamin A2. Vitamin A1 is a fat-soluble vitamin mainly present in various fish liver oil, animal liver, egg yolk, milk, yellow vegetables and the like. Vitamin A1 is soluble in fats and oils but hardly soluble in water. It is easily oxidized in the air, is easily oxidized by heat and light, and is unstable. However, when it is a solution of fats and oils, it is relatively stable. Esters are relatively stable. Vitamin A1 includes retinal (vitamin A1 alcohol), retinal (vitamin A1 aldehyde), and vitamin A1 acid. Examples of vitamin A1 esters include retinoyl acetate (vitamin A acetate), retinoyl palmitate (vitamin A palmitate), methyl ester of vitamin A1 acid, ethyl ester, and retinal ester. Moreover, there exists vitamin A oil as a fatty oil containing vitamin A. Examples of the vitamin A used in the oily cosmetic composition of the present invention include retinoic acetate, retinoic palmitate, vitamin A oil, and animal and plant liver oil containing vitamin A as a cosmetic raw material. desirable.
The blending amount of vitamin A in the oily cosmetic of the present invention varies depending on the dosage form, application, and feeling of use of the oily cosmetic, but is preferably in the range of 0.01 to 1.00% by weight.

Vitamin C is an anti-scurvy factor that is abundant in fruits (especially citrus fruits, strawberries, pineapples, oysters), leafy vegetables (parsley, spinach, cauliflower, peppers, cabbage, Chinese cabbage) and sencha. Most of the naturally occurring forms are free L-ascorbic acid, but it exists as a bound ascorbigen in plants such as cauliflower and lemon, blood, liver, fish and shellfish. Although it exists as reduced L-ascorbic acid in living tissues, it is oxidized L-dehydroascorbic acid in the veins of the kidney and mesentery. Oxidized and reduced forms are reversibly interconverted in vivo. As for properties, ascorbic acid is stable in the dry state, but unstable in aqueous solution. It is more easily decomposed with an alkaline solution than an acidic solution. Decomposition is accelerated by irradiation with metal ions such as copper ions and iron ions, X-rays and γ-rays. Ascorbigen and esters are more stable than L-ascorbic acid. Examples of vitamin C derivatives include acetate esters, benzoate esters, higher fatty acid esters, phosphate esters, and sulfate esters. Most of these derivatives are water-soluble, but higher fatty acid esters of ascorbic acid are oil-soluble. The ascorbic acid activity of these derivatives is almost the same as L-ascorbic acid and is persistent. Phosphoric acid esters (L-ascorbyl magnesium phosphate, trisodium ascorbyl phosphate) and sulfuric acid esters (disodium L-ascorbic acid sulfate) are stable in neutral to weakly alkaline aqueous solutions, and are active ingredients in many whitening cosmetics. It's being used. In addition, ascorbyl glucoside is known as a water-soluble derivative in which glucose is bonded to the second position of ascorbic acid, and is stable even in acidic to neutral aqueous solutions, unlike phosphate esters and sulfate esters. Examples of the oil-soluble higher fatty acid ester of ascorbic acid include ascorbyl palmitate, ascorbyl stearate, ascorbyl dipalmitate, ascorbyl tetra-2-hexyldecanoate and the like.
As the vitamin C in the oily cosmetic composition of the present invention, oil-soluble vitamin C derivatives such as ascorbyl palmitate, ascorbyl stearate, ascorbyl dipalmitate, ascorbyl tetra-2-hexyldecanoate and the like are used. Ascorbyl tetra-2-hexyldecanoate has many characteristics such as high solubility in other cosmetic oils, good color stability over time, and good thermal stability, and is preferably used.
The blending amount of vitamin C in the oily cosmetic composition of the present invention varies depending on the form, use, and feeling of use of the oily cosmetic composition, but is in the range of 0.5 to 30.0% by weight, preferably 2.0 to 20.0% by weight, more preferably Is 3.0 to 15.0% by weight.

Commonly used vitamin Ds include vitamin D2 (ergocalciferol), vitamin D3 (cholecalciferol), and dihydrotaxosterol. Naturally, it exists as provitamin D. In plants, it is mainly present in yeast and shiitake as ergosterol, which is provitamin D2, and in animals, particularly invertebrates, as 7-dehydrocholesterol, which is provitamin D3. In either case, ultraviolet rays (275 to 300 nm) are irradiated with precalciferol and precholecalciferol, respectively, and further irradiated with ultraviolet rays or heated to become vitamin D2 and vitamin D3. Dihydrotaxosterol is obtained by reduction of taxosterol obtained by ultraviolet irradiation of ergosterol or lumisterol. Vitamin D is abundant in liver oil, especially tuna liver oil. The vitamin D group is unstable to light and air (oxygen) and is almost insoluble in water. Slightly soluble in propylene glycol, vegetable oil. Examples of the vitamin D used in the oily cosmetic composition of the present invention include vitamin D2 (ergocalciferol), vitamin D3 (cholecalciferol), and animal and plant liver oil containing vitamin D as a cosmetic raw material. Is desirable.
The blending amount of vitamin D in the oily cosmetic of the present invention varies depending on the dosage form, application, and feeling of use of the oily cosmetic, but is preferably in the range of 0.01 to 1.00% by weight.

Vitamin E (tocopherol) has four isomers, α, β, γ, and δ. Vegetable oil such as wheat germ oil, soybean oil, cottonseed oil, peanut oil, olive oil, corn oil, sesame oil, pork oil, cattle Present in animal oils such as oil. The main components differ depending on the plant. US wheat oil is rich in α form, European one is in beta form, soybean oil is rich in delta form, and corn oil is rich in γ form. The production method uses wheat germ oil, soybean oil, etc. as raw materials, saponification of distillate of 240 ° C or less obtained by molecular distillation and molecular distillation of unsaponified product, and dehydration condensation of trimethylhydroquinone and phytyl bromide There is a synthesis method. The α form is well absorbed and the vitamin E activity is large (when the alpha form activity is 100, the β form is 10 to 50, the γ form is 10 and the delta form is 1). The D form has a large activity, the DL form has 60 to 65%, and the L form has about 25% vitamin E activity. Commonly used vitamin E includes DL-α-tocopherol, D-δ-tocopherol, DL-α-tocopherol acetate, DL-α-tocopherol succinate, DL-α-tocopherol calcium, DL-α-nicotinate. There are tocopherol and DL-α-tocopherol linoleate. The 6-position OH of tocopherol is easily oxidized by air, light and ultraviolet rays and has a strong reducing power. Oxidation rate increases due to the presence of iron salts. It is relatively stable to heat and alkali. The 6-position ester is less oxidized and loses reducing power. However, it becomes unstable to alkali and its instability increases by heat. Some are soluble in oils and fats, alcohol, volatile solvents, etc., while others are insoluble, but hardly soluble in water. The purpose of blending into cosmetics is mainly used as an antioxidant. Examples of the vitamin E used in the oily cosmetic composition of the present invention include d-α-tocopherol acetate, DL-α-tocopherol acetate, natural vitamin E, DL-α-tocopherol, D-δ-tocopherol, DL nicotinate DL Desirable are -α-tocopherol, (linol / oleic acid) DL-α-tocopherol, DL-α-tocopherol linoleate, and animal and vegetable oils containing vitamin E as a cosmetic raw material.
The blending amount of vitamin E in the oily cosmetic of the present invention varies depending on the dosage form, application, and feeling of use of the oily cosmetic, but is preferably in the range of 0.1 to 10.0% by weight.

Vitamin K group is abundant in cereals, root vegetables, alfalfa, spinach, komatsuna, radish leaves and other green vegetables, seeds, pig liver oil, mandarin peel, and spoiled fish as anti-bleeding factors. Group K is divided into the following three groups. (1) Those having a 2-methyl-1,4-naphthoquinone nucleus (vitamins K1, K2, and K3): Vitamin K1 and K2 have several homologs due to the difference in the number of carbons in the side chain. (2) Having a 2-methyl-1,4-naphthohydroquinone nucleus (K4 and its derivatives): Derivatives include diacetate, dibutyrate, diphosphate, and disulfate. It is used as vitamin K4. (3) Those having a methylnaphthalene nucleus (vitamins K5, K6, K7): Usually used as hydrochlorides. Vitamin K1 is a yellow viscous liquid insoluble in water and soluble in fats and oils. Vitamin K2 is a yellow crystalline solid that is insoluble in water and soluble in fats and oils.
The purpose of blending into cosmetics is mainly used as a skin conditioning agent. Phytonadione (vitamin K1) is desirable as the vitamin K used in the oily cosmetic composition of the present invention. The blending amount of vitamin K in the oily cosmetic composition of the present invention varies depending on the dosage form, application, and feeling of use of the oily cosmetic composition, but is preferably in the range of 0.01 to 1.00% by weight.

In addition, the following five substances are listed as vitamin-like factors. (1) Carnitine: A vitamin-like action factor present in cells of animals, plants, and microorganisms, and is distributed in the liver, heart muscle, skeletal muscle, and adipose tissue in animals. Used mainly as chloride (carnitine chloride). (2) Ferulic acid: present in most plants in small quantities. It exists as a free acid or ester in leaves of leafy vegetables, root vegetables, beans, etc., especially in rye and corn leaves, and also in sake and shochu. Synthesis is also done. It has a bile secretion promoting effect and an antioxidant effect of fats and oils. (3) γ-oryzanol: present in rice bran oil, rice germ oil, corn oil, and other cereal nut oils. Esters of ferulic acid and unsaturated triterpene alcohols having a steroid nucleus are collectively referred to as oryzanol. Among them, γ-oryzanol is a vitamin-like agent closely related to the skin. γ-Oryzanol is effective in various symptoms of climacteric disorder in the dermatological field, and is said to have a circulation promoting action accompanying dilation of skin capillaries. It also has a blood pressure lowering effect. (4) α-Lipoic acid: A factor having a vitamin-like action present in liver, kidney, heart, and yeast extract. Natural products are D-form, but L-form and DL-form are also synthesized. (5) Orotic acid: present in rice bran, animal liver, milk, alcohol delivery residue. Although it was discovered as an animal growth factor under the name vitamin B13, it was subsequently separated from vitamin B13, named orotic acid, and the structure was determined simultaneously with synthesis. Orotic acid is involved in protein production and hematopoiesis, and plays various roles as a coenzyme in the form of phosphate ester in the synthesis and metabolism of carbohydrates and lipids and the activity of renal phosphatase.
The solubility of the above-mentioned vitamin-like agent is carnitine: water-soluble, ferulic acid: water-soluble, γ-oryzanol: oil-soluble, α-lipoic acid: water-soluble, orotic acid: water-soluble, and of these, oil-soluble [Gamma] -oryzanol can be incorporated into the oily cosmetic of the present invention as it is. Other water-soluble substances can be blended in the oily cosmetic of the present invention by making them oil-soluble derivatives.

  One or more, preferably 3 to 4 kinds of the oil-soluble vitamins are used, and highly functional oily cosmetics having various effects depending on the kind can be obtained.

  Examples of the powder component used in the present invention include extender pigments, inorganic pigments, pearl pigments, surface-treated pigments, and composite pigments. Hereinafter, each powder component will be described.

In addition to clay minerals that are naturally produced, extender pigments include synthetic inorganic powders and organic powders. In general, makeup cosmetics are blended for the purpose of obtaining the feeling of use and form of goods, in order to demonstrate the functions of other colorants, that is, to assist and adjust whiteness and transparency. In general, it is often used to give the cosmetics the desired shape and feel. For example, it improves covering power, spreadability and adhesion, absorbs sweat and sebum, and loses makeup. Used to prevent. In addition, there are many cases of using in combination depending on the feeling of use, such as a spherical shape, a plate shape, etc., the size, hardness, and surface state of particles. Inorganic pigments: Typical examples include pulverized clay minerals such as talc, kaolin, mica, and sericite, and synthetic inorganic powders such as calcium carbonate, magnesium carbonate, and silicic anhydride (silica). ing. Organic powders: Typical organic natural powders include natural fiber powders such as silk and cellulose, and starch made from corn and wheat. Metal soap: A powder made of smooth, mixed with talc and other pigments to improve its dispersibility, matt effect, covering properties, emulsion stability, smoothness to skin, and flexibility It is used for the purpose. Synthetic polymer powder: Spherical particles of 5 to 15 μm in general, the cosmetics have a good stretch, feels smooth and gives a product a creamy soft feeling. It is also used to prevent cracking of pressed products such as foundations. Synthetic polymer powders have been used in the form of irregularly shaped particles by pulverizing synthetic polymers in the past, but it is now possible to produce spherical particles, and today they are mostly spherical. Usage methods differ depending on the surface condition (surface properties), particle size distribution, and hardness. Typical synthetic polymer powders include polyethylene powder, nylon powder, polyalkyl acrylate, cross-linked polystyrene, and methylsiloxane network polymer.

  Inorganic pigments are used by pulverizing and refining naturally occurring minerals, and they do not contain impurities, and recently there are many cases where they are made by synthesis in order to improve quality. Inorganic pigments are excellent in light resistance and heat resistance, and have excellent properties such as being not affected by organic solvents.

  In the past, natural fish scale foil was used as the pearl pigment. However, synthetic products (synthetic sericite) have been developed and used in recent years because they were unstable due to variations in quality due to the freshness of fish and catches. At present, titanium oxide-coated mica (titanium mica) is the mainstream. Titanium oxide-coated mica, which is a typical pearl pigment, is a raw material formed by covering muscovite with the surface covered with titanium dioxide. The intensity of gloss depends on the size, thickness, surface smoothness, etc. of the titanium oxide particles. Further, pigments of different colors can be obtained by coating with iron oxide instead of titanium oxide, or by coating a transparent pigment on the titanium oxide coating layer, which is called colored pearl. Pearl pigments having various colors have been developed so far by adjusting the thickness of the coating. A pearl whose color changes depending on the viewing direction (angle) is called a polarized pearl, and these can also be used in the cosmetic of the present invention.

  Many pigments are used in recent make-up products, but recently, the number of cases where each powder is surface-treated is increasing. The reason can be roughly divided into two. Surface treatment improves dispersibility in water and oil and improves color developability. Furthermore, light resistance and solvent resistance are also improved. In addition, the feeling of use (improvement of rustling, improvement of elongation, etc.) is also improved. (2) Give a new feeling of use. For example, new physical properties such as water repellency treatment can be given. Water resistance is improved by water repellent treatment. A two-way (water-dried) foundation that can be used with or without water is possible. In this way, surface treatment of pigments has become an important technology because products with a feeling of use and form that have not been available in the past can be obtained. Specific examples of the surface treatment include the following, and these surface-treated pigments can also be used as the powder raw material of the present invention.

  Surfactant treatment: The surfactant is adsorbed depending on the application, for example, to improve the compatibility between the inorganic pigment and oil, to be dispersed in oil, or to be dispersed in water. Oil treatment: Coating is performed by adsorbing oil on the surface of the inorganic pigment. It is used for the purpose of improving skin sticking, stretching, and makeup loss prevention. Silicone treatment: The purpose of the treatment is to prevent makeup loss due to the influence of moisture, such as sweat, tears, and rain, by subjecting inorganic pigments to water repellent treatment with silicone oil. Silicone oil treatment improves lubricity, adhesion, and the like, and is useful as a raw material powder for a two-way type foundation that is used by adding water to a puff. Fluorine treatment: In order to solve the problem of makeup loss due to oil in sebum and cosmetics, there are powders that have been subjected to fluorine treatment that have both water and oil repellent properties. In addition, powders coated with biological materials such as lecithin and collagen have also appeared.

  The composite pigment is roughly divided into a coated composite powder and an encapsulated composite powder. For example, titanium oxide has a high UV-cutting effect but does not extend well to the skin. Therefore, titanium oxide is uniformly adhered to a spherical nylon powder that spreads well on the skin and combined to create a superior finish. It became possible to obtain a white pigment. This is called a coated composite powder. In addition, titanium oxide is coated on plate-like powders such as mica, sericite, talc, etc. to give UV-blocking effect and hiding power, and silica is fixed to plate-like powders such as mica. Some have improved slipperiness, others have been coated with zirconium oxide on nylon powder in which titanium oxide is dispersed to give UV protection. On the other hand, the encapsulated composite powder includes one in which an ultraviolet absorber is absorbed in pores of silicic anhydride (having many pores at the fine particle level). Pearl pigments are also considered as a kind of composite pigment.

The blending amount of the powder component, particularly extender pigment, inorganic pigment, pearl pigment, surface treatment pigment, and composite pigment in the oily cosmetic of the present invention varies depending on the dosage form, application, and feeling of use of the oily cosmetic, but is 0.1 to 5.0. It is the range of weight%, Preferably it is 0.5 to 4.0 weight%. These powder components are blended in one kind or a combination of two or more kinds. In the present invention, alumina, crosslinked polystyrene, crystalline cellulose, synthetic phlogopite, zinc oxide, titanium oxide, Al distearate, Al dimyristate, silica, silylated silica, silk, Al hydroxide, zinc stearate, Mg stearate, Talc, nylon powder, polyalkyl acrylate, polyethylene, mica, methacrylic acid cross polymer, lauroyl lysine, Ba sulfate, etc. are preferably used.
One or more, preferably 3 to 4 kinds of the above powder raw materials are used, and an excellent usability can be obtained according to the kind.

The semi-solid dosage form component used in the present invention, inulin fatty acid ester, has a fatty acid esterification degree per monosaccharide unit of 2.2 or more and functions as a gel structure-imparting agent for volatile cyclic silicones. It is already known. Inulin is a kind of polysaccharide obtained from asteraceae plants such as chicory and dahlia, and is an oligosaccharide having D-fructose as a main constituent sugar. Inulin is composed of a chain of β-1,2 linked furanoid fructose units, and has a structure having α-D-glucose linked to sucrose at the reducing end, and has about 2-60 furanoid fructose units. It is common. The fatty acid as a constituent component of the inulin fatty acid ester used in the present invention is preferably a linear or branched saturated or unsaturated fatty acid having 8 to 32 carbon atoms. Further, as a fatty acid which is suitable for the synthesis of inulin fatty acid esters and is obtained from animals and plants and which is relatively less irritating, a linear or branched saturated or unsaturated fatty acid having 8 to 22 carbon atoms is more preferred, and still more preferred. Are those having 16 to 22 carbon atoms. Specifically, octanoic acid, decanoic acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, oleic acid, 2-ethylhexanoic acid, isomyristic acid, isopalmitic acid, isostearic acid, isoolein An acid etc. are mentioned. Specific examples of inulin fatty acid esters include: carbon number 8: inulin octanoate, carbon number 10: inulin decanoate, carbon number 12: inulin laurate, carbon number 14: inulin myristate, carbon number 16: inulin palmitate, carbon Number 18: Inulin stearate, Carbon number 20: Inulin arachiate, Carbon number 22: Inulin behenate, Carbon number 18: Inulin oleate (= 9-octadecenoic acid inulin), Carbon number 8: 2-ethylhexanoic acid inulin , Carbon number 14: isolinic acid inulin, carbon number 16: isopalmitic acid inulin, carbon number 18: isostearic acid inulin, carbon number 18: isooleic acid inulin, and the like.
The degree of substitution of fatty acids per fructose unit is preferably 2.2 or more. If the degree of substitution is lower than 2.2, the solubility in the cyclic silicone and the gel structure are not sufficiently imparted, and it is difficult to ensure stability.

  In the semi-solid dosage form component used in the present invention, inulin fatty acid ester, in the acyl group of the ester, 60 mol% or more of the total acyl group is hexadecanoyl group, octadecanoyl group, eicosanoyl group, It is required to be at least one selected from docosanoyl groups. If the total amount of these acyl groups is less than 60 mol%, it is difficult to ensure the stability of the cosmetic. An acyl group with a carbon chain length less than that of the hexadecanoyl group does not provide sufficient gel structure, and an acyl group with more carbon than the docosanoyl group is accompanied by a heavy feeling of use. Or may cause troubles such as precipitation of gelling agent.

  The compounding amount of the inulin fatty acid ester used in the oily cosmetic of the present invention varies depending on the form, use, and feeling of use of the oily cosmetic, but is in the range of 5.0 to 30.0% by weight, preferably 7.0 to 25.0% by weight, more Preferably it is 10.0-20.0 weight%.

  The cyclic silicone used in the semi-solid dosage form component of the present invention is thickened and gelled with inulin fatty acid ester, and contains the aforementioned oil-soluble vitamins, powder raw materials, and other cosmetic ingredients. Dissolved and dispersed. Generally called volatile cyclic silicone, it is used to improve the feeling of use as an oily cosmetic, such as light touch, elongation, and smoothness. It also serves the purpose of improving the dispersibility of the powder. Examples of volatile cyclic silicones that can be used include octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and the like, and one or more of these are appropriately selected and used. In the present invention, octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane are preferred.

  The blending amount of the cyclic silicone in the oily cosmetic of the present invention varies depending on the blending balance with the inulin fatty acid ester, the dosage form of the oily cosmetic, the application, and the feeling of use, but is in the range of 30.0 to 80.0% by weight, preferably 40.0. -70.0 wt%, more preferably 50.0-65.0 wt%.

  Inulin fatty acid esters and cyclic silicones are blended as the base components that make up the semi-solid dosage form. Depending on the purpose, situation, and preference, the semi-solid type with a slightly higher viscosity is changed to a semi-solid type with a lower viscosity. It is possible to control the dosage form. For example, a dosage form composed of 5.0 to 7.0% by weight of inulin fatty acid ester and 30.0 to 40.0% by weight of cyclic silicone has a low-viscosity semi-solid with a viscosity of 10,000 or less, 10.0 to 20.0% by weight of inulin ester and cyclic silicone The dosage form composed of 50.0 to 65.0% by weight has a semi-solid state with a viscosity of 10,000 to 100,000, and the dosage form composed of 20.0 to 30.0% by weight of inulin ester and 65.0 to 80.0% by weight of cyclic silicone has a viscosity. It has a high viscosity semi-solid state of 100000 or more. When the blending amount of the inulin fatty acid ester and the cyclic silicone exceeds the above range, it becomes a solid dosage form and does not exhibit the feeling of use and functionality exhibited by the present invention. On the other hand, when the amount of the inulin fatty acid ester and the cyclic silicone is less than the above range, it becomes a liquid dosage form, which not only does not show the feeling of use and functionality shown by the present invention, but also lacks stability.

  The oily cosmetic composition of the present invention includes components, solvents, protective agents, skin conditioning agents, film forming agents, oil agents, water retention agents, moisturizing agents, emollients that are used in ordinary cosmetics as long as the effects of the present invention are not impaired. Agents, thickeners, viscosity reducing agents, surfactants, anti-caking agents, astringents, antioxidants, pH adjusters, chelating agents, refreshing agents, flavoring agents, other whitening agents, cell activators, anti-inflammatory agents, etc. Can be added.

  As described above, the oily cosmetic of the present invention is a new dosage form different from the mainstream lotions, gels, milky lotions, creams and the like as described above. It is a semi-solid oily cosmetic formulated with more than one kind, and its content is one or two oil-soluble vitamins targeting vitamin A, vitamin C, vitamin D, vitamin E and vitamin K By blending more than one type, the effects of various vitamins on the skin can be effectively exhibited with one type of cosmetic. Vitamin A gives skin firmness, improves wrinkles, makes it less noticeable, inhibits tyrosinase activity with vitamin C, prevents spots and freckles, and provides whitening effect. , Prevent active oxygen, and improve skin condition with vitamin D. On the other hand, by blending powder raw materials for extender pigments, inorganic pigments, pearl pigments, surface treatment pigments, composite pigments, the texture of the skin is adjusted, spreadability, sustained efficacy, sebum absorption, shine prevention, It is intended to improve the feeling of use, such as a good finish, smoothness and matte feel. In addition, by blending inulin fatty acid ester and cyclic silicone as the base components that make up the semi-solid dosage form, it feels different from conventional liquid and gel forms, especially the skin protection, that is, sufficient moisture retention. It is possible to obtain cosmetics that have two purposes: the purpose of sustaining the effectiveness of various active ingredients and the purpose of maintaining the texture of the skin, excellent spreadability and finish, and having a base effect before makeup. did it. In addition, the application amount and application range such as partial use, point use, and entire face use can be controlled.

Prepare skin, prepare skin texture, keep skin smooth, prevent rough skin, keep skin oil supplemented, keep skin soft, protect skin, give skin elasticity, smooth skin It is a cosmetic that has effects such as preventing sunburn spots and freckles, and its dosage form is different from the conventional lotion type, cream, emulsion type, and gel type, that is, non-aqueous oily cosmetics. And a feeling of use not found in conventional cosmetic dosage forms can be obtained. In addition, by providing blending ranges for various components, a stabilized cosmetic can be obtained, and depending on the purpose, situation, and preference, from a slightly stiff high-viscosity semi-solid type to a low-viscosity semi-solid type. It is possible to control the dosage form. The oily cosmetic of the present invention is produced by a method for producing a normal cosmetic, and the production method is not limited.
Examples are given below to describe the present invention in more detail, but it goes without saying that the present invention should not be limited to these examples.

14.00 g of inulin stearate (reopearl ISK (registered trademark) manufactured by Chiba Flour Milling Co., Ltd.) and decamethylcyclopentasiloxane (cyclomethicone KF995 (registered trademark) manufactured by Shin-Etsu Chemical Co., Ltd.), which are constituents of a semi-solid dosage form 56.00 g was heated to 80 ° C. together with 16.39 g of a spreader (dimethicone / vinyl dimethicone) crosspolymer, mixed and stirred to obtain a mixture. As an oil-soluble vitamin in this mixture, 0.01 g of vitamin A oil, vitamin C tetrahexyl decanoate (ascorbyl tetrahexyl decanoate) (NIKKOL VC-IP (registered trademark) manufactured by Nikko Chemicals), vitamin D2 0 .10 g and 0.50 g of natural vitamin E were added, and 0.50 g of silica, 1.00 g of polymethyl methacrylate and 1.50 g of methyl methacrylate crosspolymer were added as powder raw materials, and the mixture was stirred at 80 ° C. After confirming that the raw materials were mixed and dissolved, the skin conditioning gel was prepared by cooling to room temperature. Table 1 shows the blending ratio of the raw materials.
[Examples 2-5 and Comparative Examples 1-2]

Hereinafter, skin conditioning gels were prepared in the same manner as in Example 1 for Examples 2 to 5 and Comparative Example 1 at the blending ratio of raw materials shown in Table 1.
In Examples 1-2, inulin stearate and cyclomethicone are blended at a predetermined ratio as a base component constituting a semi-solid dosage form, and four kinds of oil-soluble vitamins and three kinds of powder raw materials are used. These are blended at a predetermined ratio. In Example 1, a (dimethicone / vinyl dimethicone) crosspolymer was blended to further improve the spreadability.

  A skin conditioning gel was prepared with the composition shown in Table 1 as described above, and the obtained gel was evaluated for feeling of use, functionality and stability over time by the following methods. Table 1 also shows the results.

表１における評価方法は以下の通りであった。
即ち、充分な保湿を施した顔に対して、朝晩１回ずつ適量を手に取り、顔全体に薄く均一になるよう塗布するという方法で被験者に３０日間使用してもらい、使用感と機能性についてモニター試験を行った結果、実施例１、２のものは全ての項目において非常に良好であるという結果が得られた。併せて行った経時安定性試験についても、異状は認められなかった。
対して実施例３〜５では、油溶性ビタミン類の配合を１種類ないしは２種類に絞り、同様にモニター試験を行った。結果、使用感においては実施例１、２とあまり相違がなく、機能性においてはそれぞれの配合剤に応じた効果が得られた。
本結果から、本発明品として調製した実施例に代表される油性化粧料によって、各種油溶性ビタミン類がもつ効果効能を一つの化粧料で効率よく得られることが明らかとなった。
一方、比較例１及び２では、実施例と同様に半固形状の剤型を構成するベース成分として、ステアリン酸イヌリンとシクロメチコンを所定の割合で配合し、さらに、粉体原料を３種類、それぞれ所定の割合で配合したが（Ｎｏ．1〜３、８〜１０は実施例と同様にする）、油溶性ビタミン類は配合せず、水溶性ビタミンＣを配合するか（比較例１）、全くビタミン類は配合しなかった（比較例２）ものである。
その結果、比較例１に示した処方において、水溶性ビタミンＣ（ビタミンＣリン酸Ｍｇ）は調製において溶解せず、さらには高温下において溶解を試みたが、変色してしまい溶解させるには至らなかった。この結果から水溶性ビタミンＣは、本発明の油性化粧料に配合することは不可能であることが示される。一方、比較例２に示した処方においては、使用感こそ実施例との内容とあまり相違ない結果が得られたが、機能性の面においては、改善は認められないという意見が多くを占める結果となった。本結果から、実施例に代表される油性化粧料によって、各種油溶性ビタミン類がもつ効果効能を一つの化粧料で効率よく得られていることが明らかとなった。

〔実施例６〜９及び比較例３〕

The evaluation method in Table 1 was as follows.
That is, for a face that has been sufficiently moisturized, take an appropriate amount once a day in the morning and apply it to the entire face so that it is thin and even. As a result of conducting a monitor test, the results of Examples 1 and 2 were very good in all items. No abnormality was observed in the stability test with time.
On the other hand, in Examples 3 to 5, the blending of oil-soluble vitamins was narrowed down to one or two, and the monitor test was conducted in the same manner. As a result, in use feeling, there was not much difference from Examples 1 and 2, and in the functionality, an effect corresponding to each compounding agent was obtained.
From these results, it was clarified that the oil-based cosmetics represented by the examples prepared as the products of the present invention can efficiently obtain the effective effects of various oil-soluble vitamins with a single cosmetic.
On the other hand, in Comparative Examples 1 and 2, as a base component constituting a semi-solid dosage form as in the Examples, inulin stearate and cyclomethicone are blended at a predetermined ratio, and three kinds of powder raw materials are used. Although each was mix | blended in the predetermined ratio (No. 1-3 and 8-10 are carried out similarly to an Example), oil-soluble vitamins are not mix | blended, but water-soluble vitamin C is mix | blended (comparative example 1), No vitamins were added (Comparative Example 2).
As a result, in the formulation shown in Comparative Example 1, water-soluble vitamin C (vitamin C phosphoric acid Mg) did not dissolve in the preparation, and further, it was attempted to dissolve at high temperature. There wasn't. From this result, it is shown that water-soluble vitamin C cannot be blended in the oily cosmetic of the present invention. On the other hand, in the prescription shown in Comparative Example 2, a result that the feeling of use is not very different from the content of the example was obtained, but in the aspect of functionality, the opinion that improvement is not recognized is the majority It became. From these results, it was revealed that the oil-based cosmetics represented by the examples were able to efficiently obtain the effects of various oil-soluble vitamins with a single cosmetic.

[Examples 6 to 9 and Comparative Example 3]

  A skin conditioning gel was prepared in the same manner as in Example 1 with the composition shown in Table 2, and the usability, functionality and stability over time were similarly evaluated. Table 2 also shows the results.

In each Example, inulin stearate and cyclomethicone are blended at a predetermined ratio as a base component constituting a semi-solid dosage form, and four kinds of oil-soluble vitamins and one to three powder raw materials are used. Each type is blended at a predetermined ratio. Apply an appropriate amount to the face that has been sufficiently moisturized once a day in the morning and evening, and apply to the entire face to make it thin and even. As a result of having a subject use for 30 days and conducting a monitor test on usability and functionality, in Example 6, the result that it was very favorable in all the items was obtained. No abnormality was observed in the stability test with time.
Moreover, in Examples 7-9, the powder raw material was narrowed down to one type and the monitor test was similarly conducted. As a result, in terms of the feeling of use, it was effective when used satisfactorily in terms of good stretch, light wearing comfort, and use as a makeup base. In terms of functionality, a product that is sufficiently effective when used in the items of sebum absorption (to prevent shine) and fine skin texture was obtained. From this result, in the oily cosmetic of Example 6, which is one of the representative products of the present invention, the effect of making the pores inconspicuous by absorbing the excess sebum and at the same time by the light diffusing effect of the powder. It is clear that the feeling of use is remarkably improved by maintaining a smooth feeling and adjusting the texture of the skin.

On the other hand, in Comparative Example 3, inulin stearate and cyclomethicone are blended at a predetermined ratio as a base component constituting a semi-solid dosage form, and four types of oil-soluble vitamins are blended at a predetermined ratio. However, the powder raw material was not blended.
As a result, in the feeling of use, the result that the improvement was not felt in most of the items was obtained, and also in the functionality, no improvement was felt in terms of moisture retention, skin texture, and sebum absorption (shine). It became the result. The powder raw material blended in the oily cosmetics of Examples 6 to 9 is a raw material that provides a good effect on usage sensation elements, especially the spread of the cosmetics, smoothness, and light touch, and further smoothes the unevenness of the skin. It contributes not only to the feeling of use but also to the functionality, such as the action of making the texture fine, and absorbing excess sebum to prevent shine, resulting in the prevention of acne and pimples. It became clear.
[Examples 10 to 11 and Comparative Examples 4 to 6]

  A skin conditioning gel was prepared with the composition shown in Table 3, and the usability, functionality and stability over time were evaluated by the methods described in Table 3. Table 3 also shows the results.

In Examples 10 and 11, inulin stearate and cyclomethicone were blended at a predetermined ratio as a base component constituting a semi-solid dosage form. Furthermore, four types of oil-soluble vitamins and three types of powder raw materials are blended at predetermined ratios. In Example 10, a (dimethicone / vinyl dimethicone) crosspolymer was blended in order to further increase the spreadability. In Example 11 as well, oily raw materials such as (alkyl acrylate / stearyl acrylate / dimethicone acrylate) copolymer, wax, ester oil and the like were blended in order to increase the spreadability. Apply an appropriate amount to the face that has been sufficiently moisturized once a day in the morning and evening, and apply to the entire face to make it thin and even. As a result of having a test subject use for 30 days and conducting a monitor test about usability and functionality, the result that it was very good in all the items was obtained. No abnormality was observed in the stability test with time. On the other hand, the monitor test was similarly performed in Comparative Examples 4 to 6. As a result, in the case of Comparative Example 4 and Comparative Example 6, methylpolysiloxane, which is an acyclic silicone, was blended in order to improve elongation and slipperiness, but they were separated in a temporal stability test (Examples 10 and 11). And contrast). In Comparative Example 5, when squalane was added excessively to improve skin protection, oil elution was observed over time. From these results, when oily raw materials for improving the feeling of use such as a moisturizing agent and a protective agent are blended into the oily cosmetics represented by Examples 10 and 11 prepared as the product of the present invention, especially dimethylsilicone and squalane. It can be seen that oily raw materials are extremely uneasy about the system stability of oily cosmetics, so that it is necessary to pay sufficient attention to the formulation. In the case of oily cosmetics typified by Examples 10 and 11, methylpolysiloxane, which is an acyclic silicone, formulated for the purpose of improving slipperiness is 1.00% by weight or less in view of system stability. Is desirable. In addition, squalane, which is formulated for the purpose of improving skin protection, is desirably 2.00% by weight or less in consideration of system stability.

Claims (8)

An oil-based cosmetic comprising at least one kind of oil-soluble vitamins and powder raw materials in a semi-solid dosage form containing inulin fatty acid ester and cyclic silicone. The oily cosmetic according to claim 1, wherein the inulin fatty acid ester is blended in an amount of 5.0 to 30.0% by weight. The oily cosmetic according to claim 1 or 2, wherein the inulin fatty acid ester has an esterification degree of 2.2 or more per monosaccharide unit, and the fatty acid as a constituent component has 8 to 22 carbon atoms. The oily cosmetic according to claim 1, 2 or 3, wherein the cyclic silicone is blended in an amount of 30.0 to 80.0% by weight. The oily cosmetic according to claim 1, 2, 3 or 4, wherein the cyclic silicone is selected from octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane and dodecamethylcyclohexasiloxane. The oil-based cosmetic according to claim 1, 2, 3, 4 or 5, wherein the oil-soluble vitamin is selected from vitamin A, oil-soluble vitamin C, vitamin D, vitamin E and vitamin K. The oily cosmetic according to claim 1, 2, 3, 4, 5 or 6, wherein the powder raw material is selected from extender pigments, inorganic pigments, pearl pigments, surface treatment pigments and composite pigments. Oil-soluble vitamins 0.01 to 50.00% by weight, powder raw materials 0.10 to 5.00% by weight, inulin fatty acid ester 5.00 to 30.00% by weight, cyclic silicone 30.0 to 80.0% by weight 4. The oily cosmetic according to 4, 5, 6 or 7.