JP2017105757A - Oily cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an oily cosmetic which has an excellent smooth feel, suppresses color migration and is improved in color durability.SOLUTION: There is provided an oily cosmetic comprising the following components (A), (B) and (C): (A) 1 to 50 mass% of a cellulose derivative having a cellulose skeleton in the main chain in which 45 to 95 mol% of total hydroxyl groups is substituted with a group -O-M-R (M represents CHor a carbonyl group C=O, R represents a linear or branched alkyl group having 3 to 40 carbon atoms or alkenyl group), (B) 5 to 80 mass% of a volatile hydrocarbon oil and (C) 5 to 50 mass% of an ester oil which is liquid at 25°C, wherein the mass ratio (B)/(C) of the component (B) to the component (C) is 0.7 to 9 and the shear viscosity of the entire bulk is 1500 Pa s at a shear rate of 0.1 sat 25°C.SELECTED DRAWING: None

Description

  The present invention relates to an oily cosmetic.

  In oily cosmetics such as lipsticks, various studies have been made to obtain a beautiful finish and a smooth feel. For example, Patent Document 1 describes that an oily cosmetic material obtained by combining a specific acylated cellulose derivative, an ester oil, and a hydrocarbon oil in a specific ratio maintains a smooth feel. Patent Document 2 describes that an oily cosmetic material containing a specific acylated cellulose derivative, a silicone oil agent, and an ester oil is excellent in transparency and gloss, and maintains a smooth feel. Describes that an oily cosmetic containing a specific acylated cellulose derivative and a silicone having a nonionic hydrophilic group is excellent in sustainability of a beautiful cosmetic finish and maintains a smooth feel.

JP 2010-1000061 A JP 2011-79746 A JP 2011-173818 A

  Oily cosmetics containing an acylated cellulose derivative have excellent smoothness but have problems in terms of color transfer and color retention.

  When the present inventors use a specific acylated cellulose derivative, a volatile hydrocarbon oil and an ester oil in combination at a specific ratio, they are excellent in smooth feel, color transfer is suppressed, and color durability is improved. It was found that the obtained oily cosmetic was obtained.

The present invention includes the following components (A), (B) and (C):
(A) It has a cellulose skeleton in the main chain, and 45 to 95 mol% of all hydroxyl groups are groups —O—M—R (M represents CH ₂ or a carbonyl group C═O, and R represents a straight chain having 3 to 40 carbon atoms. 1 to 50% by mass of a cellulose derivative substituted with a chain or branched chain alkyl group or alkenyl group)
(B) 5-80% by mass of volatile hydrocarbon oil,
(C) 5 to 50% by mass of ester oil which is liquid at 25 ° C.
When the mass ratio (B) / (C) of the component (B) to the component (C) is 0.7 to 9, and the shear rate at 25 ° C. is 0.1 s ⁻¹ , the whole bulk shear The present invention relates to an oily cosmetic having a viscosity of 1500 Pa · s or less.

  The oily cosmetic composition of the present invention does not feel sticky or tight at the time of application, has smooth lips and skin, etc., and suppresses secondary adhesion to a cup or the like immediately after application and after a long period of time. It is also resistant to wetting. Moreover, when removing cosmetics from lips or skin, it can be removed cleanly.

The cellulose derivative of the component (A) used in the present invention is not limited as long as it has a cellulose skeleton in the main chain, but the raw material cellulose derivative includes cellulose and short chain acyls such as acetylcellulose and acetylbutylcellulose. Preferred are short-chain alkyl etherified celluloses such as functionalized cellulose, methylcellulose, and ethylcellulose, cellulose modified with hydroxyalkyl groups, glyceryl ether groups, and (mono) alkyl glyceryl ether groups. More specifically, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, glyceryl cellulose, methyl glyceryl cellulose and the like can be mentioned.
Furthermore, what has the following structural units as a cellulose derivative of the manufacturing raw material of the cellulose derivative of a component (A) is preferable.

(In the formula, R ′ represents a linear or branched alkylene group having 2 to 8 carbon atoms, and n represents a number with an average added mole number of R′O per glucose unit of 0.1 to 10)

  In the structural unit, R ′ is preferably a linear or branched alkylene group having 2 to 4 carbon atoms, and more preferably an ethylene group or a propylene group. Moreover, as n, the number from which the average added mole number of R′O per glucose unit is 0.3 to 5 is preferable, the number from 0.5 to 4.5 is more preferable, and the number from 1 to 4 is Further preferred.

Preferred examples of the raw material cellulose derivative include hydroxyethyl cellulose and hydroxypropyl cellulose, and hydroxypropyl cellulose is more preferred.
Moreover, the mass average molecular weight (Mw) of the raw material cellulose derivative is preferably 10,000 to 4,000,000, more preferably 100,000 to 3,000,000, and still more preferably 300,000 to 200, from the viewpoint of solubility in oil and feel. It is ten thousand.

Component cellulose derivative (A) refers to the group -O-M-R is a hydroxyl substituents of the raw material cellulose derivative, M represents a CH ₂ or a carbonyl group C = O, R is a straight of 3 to 40 carbon atoms A chain or branched alkyl group or alkenyl group.
(I) As a linear alkyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, Heptadecyl group, octadecyl group, nonadecyl group, icosyl group, heicosyl group, docosyl group, tricosyl group, tetracosyl group, pentacosyl group, hexacosyl group, heptacosyl group, octacosyl group, nonacosyl group, triacontyl group, hentriacontyl group, dotriacontyl group, Examples include tritriacontyl group, tetratriacontyl group, pentatriacontyl group, hexatriacontyl group, heptatriacontyl group, octatriacontyl group, nonatriacontyl group and tetracontyl group.

(Ii) Examples of branched alkyl groups include methylpentyl, methylhexyl, methylheptyl, methyloctyl, methylnonyl, methylundecyl, methylheptadecyl, ethylhexadecyl, methyloctadecyl, propyl Pentadecyl group, 2-hexyldecyl group, 2-octyldodecyl, 2-heptylundecyl group, 2-decyltetradecyl group, 2-dodecylhexadecyl group, 2-tetradecyloctadecyl group, 2-hexadecylicosyl group Etc.

(Iii) linear alkenyl groups include dodecenyl group, tridecenyl group, tetradecenyl group, pentadecenyl group, hexadecenyl group, heptadecenyl group, octadecenyl group, nonadecenyl group, icosenyl group, heicosenyl group, dococenyl group, tricocenyl group, tetracocenyl group, Examples include a pentacocenyl group, a hexacocenyl group, a heptacocenyl group, and an octacocenyl group.
(Iv) Examples of branched alkenyl groups include isotridecenyl group, isooctadecenyl group, isotriacontenyl group, 2-butyloctenyl group, 2-hexyldecenyl group, 2-octyldodecenyl group, 2-decyltetra A decenyl group, 2-dodecyl hexadecenyl group, etc. are mentioned.

  Among these, R is preferably a linear alkyl group from the viewpoint of imparting smoothness during the application of the oily cosmetic and forming a uniform film on the lips and skin. Moreover, 9-21 carbon atoms are preferable from the ease of extending | stretching and adhesiveness, 11-17 carbon atoms are more preferable, and 15 carbon atoms are still more preferable.

Hydroxyl group -O-M-R substitution rate is 45 mol% or more from the viewpoint of enhancing the solubility in oil, not feeling sticky or sticking during coating, and suppressing secondary adhesion to cups, etc. Yes, 48 mol% or more is preferable, 51 mol% or more is more preferable, and 95 mol% or less is preferable, 94 mol% or less is preferable, 92 mol% or less is more preferable, and 66 mol% or less is still more preferable from the viewpoint of improving dripping resistance and water resistance. . Further, the hydroxyl group-O-M-R substitution rate is 45 to 95 mol%, preferably 48 to 94 mol%, more preferably 51 to 92 mol%, and still more preferably 51 to 66 mol%.
It is preferable that the hydroxyl group remains appropriately from the viewpoint of feeling of use and pigment dispersibility, preferably 5 mol% or more, more preferably 6 mol% or more, further preferably 8 mol% or more, and further preferably 34 mol% or more. 55 mol% or less is preferable, 52 mol% or less is more preferable, and 49 mol% or less is more preferable. The residual ratio of hydroxyl groups is preferably 5 to 55 mol%, more preferably 6 to 52 mol%, still more preferably 8 to 49 mol%, and still more preferably 34 to 49 mol%.

The mass average molecular weight of the component (A) cellulose derivative is preferably 100,000 or more, more preferably 200,000 or more, still more preferably 300,000 or more, from the viewpoint that the solubility in the oil component and the smooth feel are maintained. 10,000 or more are more preferable, 5 million or less are preferable, 4 million or less are more preferable, 3 million or less are more preferable, and 2 million or less are still more preferable.
The mass average molecular weight (Mw) is determined by gel permeation chromatography (using a calibration curve and a refractive index detector defined with chloroform solvent and linear polystyrene as a standard).

The cellulose derivative of component (A) is obtained by reacting a raw material cellulose derivative with an acid halide having a linear or branched alkyl group or alkenyl group having 3 to 40 carbon atoms, and 45 to 95 mol of all hydroxyl groups of the raw material cellulose derivative. Produced by replacing%.
A compound in which M is CH ₂ can be produced by reacting a cellulose derivative with a corresponding sulfonic acid ester such as alkyl halide or alkyl mesylate in the presence of a base. The main chain comprising a cellulose skeleton can also be obtained by transesterification (acidolysis) of acetylcellulose. According to this method, a cellulose ester derivative having a very low residual amount of hydroxyl groups can be obtained.

  Specifically, hydroxyethyl cellulose lauric acid ester, hydroxyethyl cellulose myristic acid ester, hydroxyethyl cellulose palmitic acid ester, hydroxyethyl cellulose stearic acid ester, hydroxyethyl cellulose behenic acid ester; hydroxypropyl cellulose lauric acid ester, hydroxypropyl cellulose myristic acid ester, hydroxy Propylcellulose palmitate, hydroxypropylcellulose stearate, hydroxypropylcellulose behenate; hydroxyethylmethylcellulose laurate, hydroxyethylmethylcellulose myristic ester, hydroxyethylmethylcellulose palmitate, hydroxyethyl Cylcellulose stearate, hydroxyethylmethylcellulose behenate; hydroxypropylmethylcellulose laurate, hydroxypropylmethylcellulose myristic acid, hydroxypropylmethylcellulose palmitate, hydroxypropylmethylcellulose stearate, hydroxypropylmethylcellulose behenate It is done. Among these, hydroxypropylcellulose laurate, hydroxypropylcellulose myristic acid ester, hydroxypropylcellulose palmitic acid ester, hydroxypropyl are used to form a uniform film on the lips and skin and suppress secondary adhesion to the cup. Cellulose stearic acid ester and hydroxypropyl cellulose behenic acid ester are preferable, and hydroxypropyl cellulose palmitic acid ester is more preferable.

  The cellulose derivative of component (A) can be used singly or in combination of two or more, and the content forms a uniform film on the lips and skin, etc., and suppresses secondary adhesion to the cup, etc. The total composition is 1% by mass or more, preferably 1.5% by mass or more, more preferably 2% by mass or more, further preferably 3% by mass or more, 50% by mass or less, and preferably 30% by mass or less, 20 mass% or less is more preferable, 15 mass% or less is more preferable, and 10 mass% or less is further more preferable. Moreover, content of a component (A) is 1-50 mass% in the whole composition, 1.5-30 mass% is preferable, 2-20 mass% is more preferable, 2-15 mass% is more preferable. 3-10 mass% is still more preferable.

Component (B) is a volatile hydrocarbon oil. Volatile has a flash point of 35-87 ° C.
The volatile hydrocarbon oil of component (B) is excellent in compatibility with component (A), and even after the volatile hydrocarbon oil has volatilized, it does not feel sticky or stiff. Examples thereof include paraffinic hydrocarbon oils such as n-decane, n-undecane and n-dodecane; isoparaffinic hydrocarbon oils such as isodecane, isododecane and hydrogenated polyisobutene; and cyclic paraffin hydrocarbon oils such as cyclodecane and cyclododecane. It is done. Among these, hydrocarbon oils having 8 to 16 carbon atoms are preferable, hydrocarbon oils having 10 to 16 carbon atoms are more preferable, and hydrocarbon oils having 12 carbon atoms are more preferable. Of these, isoparaffinic hydrocarbon oils are preferable, isododecane and hydrogenated polyisobutene having 12 carbon atoms are more preferable, and isododecane is more preferable.
Examples of commercially available products include Marcazole R (manufactured by Maruzen Petrochemical Co., Ltd .: flash point 48 ° C.), Pearl Ream 3 (manufactured by NOF Corporation: flash point 61 ° C.), and the like.

  Component (B) can be used alone or in combination of two or more, and the content is excellent in compatibility with components (A) and (C), and after application to lips and skin, component (B) Even after volatilization, it is not sticky or sticky, forms a uniform film on the lips, etc., and suppresses secondary adhesion to the cup, etc. 35% by mass or more, preferably 40% by mass or more, more preferably 45% by mass or more, still more preferably 46% by mass or more, 80% by mass or less, preferably 75% by mass or less, and 70% by mass. The following is more preferable, and 66% by mass or less is more preferable. Moreover, content of a component (B) is 5-80 mass% in all compositions, 35-75 mass% is preferable, 40-75 mass% is more preferable, 45-70 mass% is further more preferable, 46- 66 mass% is still more preferable.

The ester oil of component (C) used in the present invention is liquid at 25 ° C. The liquid state at 25 ° C. has fluidity, and includes pastes.
Such ester oils are not limited as long as they are used in ordinary cosmetics. For example, isotridecyl isononanoate, diisostearyl malate, isostearyl myristate, octyldodecyl ricinoleate, neopentyl glycol dicaprate, diisostearate Examples include diglyceryl acid, glyceryl monoisostearate, 2-ethylhexyl paramethoxycinnamate, tocopherol acetate, and diglyceryl monoisostearate.
Among these, ester oil having a branched chain is excellent in that the component (A) is excellent in compatibility and is not sticky or sticky even after the component (B) is volatilized after being applied to the lips or skin. Are preferred, isotridecyl isononanoate, diisostearyl malate, isostearyl myristate, octyldodecyl ricinoleate, diglyceryl diisostearate, glyceryl monoisostearate, 2-ethylhexyl paramethoxycinnamate, diglyceryl monoisostearate Are more preferable, and isotridecyl isononanoate and diisostearyl malate are more preferable.

  The component (C) ester oil can be used singly or in combination of two or more. The content is excellent in compatibility with the component (A), and the component (B) is volatilized after being applied to the lips or skin. Even after the coating, it is not sticky or sticky, forms a uniform film on the lips, etc., and suppresses secondary adhesion to the cup. % By mass or more, preferably 10% by mass or more, more preferably 13% by mass or more, 50% by mass or less, preferably 40% by mass or less, more preferably 35% by mass or less, and even more preferably 33% by mass or less. preferable. Moreover, content of a component (C) is 5-50 mass% in all the compositions, 7-40 mass% is preferable, 10-35 mass% is more preferable, 13-33 mass% is further more preferable.

  In the present invention, the mass ratio (B) / (C) of the component (B) with respect to the component (C) does not feel stiff or tight at the time of application, and the lips and skin are smooth, immediately after application and for a long time. Even after the passage, secondary adhesion to the cup is suppressed, it is strong against water wetting, and it can be removed cleanly when lipstick is removed from the lips. The above is preferable, 1.4 or more is more preferable, 9 or less, 7 or less is preferable, and 5 or less is more preferable. Moreover, the mass ratio (B) / (C) of the component (B) to the component (C) is 0.7 to 9, preferably 1.0 to 7, and more preferably 1.4 to 5.

  In the present invention, the mass ratio (A) / (C) of the component (A) with respect to the component (C) does not feel stiffness or tension at the time of application, and the lips and skin are smooth, immediately after application and for a long time. Even after the lapse of time, secondary adhesion to the cup and the like is suppressed, and it is resistant to water so that it can be removed cleanly when the cosmetic is removed from the lips and skin. Preferably, 0.12 or more is more preferable, 0.14 or more is more preferable, 1.25 or less is preferable, 1.0 or less is more preferable, and 0.65 or less is more preferable. Further, the mass ratio (A) / (C) of the component (A) to the component (C) is preferably 0.10 to 1.25, more preferably 0.12 to 1.0, and 0.14 to 0.00. 65 is more preferable.

The oily cosmetic of the present invention can further contain (D) an organosilicone resin, and can evenly adhere the cosmetic to the lips, skin, etc., improve adhesion, and improve water resistance. Can do.
Any organic silicone resin of component (D) can be used as long as it is usually used in cosmetics. For example, (D-1) trimethylsiloxysilicic acid, (D-2) fluorine-modified silicone Examples thereof include resins.

Among the components (D), the component (D-1) trimethylsiloxysilicic acid is not limited as long as it is used in ordinary cosmetics, and is a compound having a cross-linked structure having a siloxane structure as a main skeleton, [ _{(CH 3) 3 SiO 1/2]} X [SiO 2] Y (X is 1 to 3, Y is 0.5 to 8) preferably represented by.
Component (D-1), trimethylsiloxysilicic acid, preferably has a mass average molecular weight of 1000 to 10,000, more preferably 2000 to 9000, and still more preferably 3000 to 6000, from the viewpoint of feeling of use and makeup. . In addition, the property may be any of liquid, gum, paste, solid, etc. at 25 ° C., but from the viewpoint of long-lasting makeup, a solid product is preferred. From the viewpoint of compoundability, it is possible to use a solution or dispersion diluted with a solvent, or a solution or dispersion obtained by mixing in advance. The solvent to be diluted or dispersed is preferably one or more selected from dimethylpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and isododecane, and volatile dimethylpolysiloxane and decamethylcyclopentasiloxane are preferred. More preferred. In addition, volatility has a flash point of 35-87 degreeC.

  Commercially available components (D-1) are those previously dissolved in a solvent, such as KF-7312J (solid content 50% decamethylcyclopentasiloxane solution), KF-9021 (50% decamethylcyclopentasiloxane solution). X21-5249 (50% decamethylcyclopentasiloxane solution) (above, Shin-Etsu Chemical Co., Ltd.), SS4267 (35% dimethylpolysiloxane solution), SR1000 (above, Momentive Performance Materials Japan GK) BY11-018 (30% cyclopentasiloxane solution) (manufactured by Toray Dow Corning Silicone), BELSIL TMS 803 (manufactured by Wacker Chemie AG), and the like can be used.

Among the components (D), as the component (D-2) fluorine-modified silicone resin, the general formula (1)
R ¹ _a SiO _{(4-a) / 2} (1)
(In the formula, R ¹ represents a hydrocarbon group having 1 to 8 carbon atoms, a phenyl group, a hydroxyl group, or a general formula —R ² —Rf (R ² represents a divalent alkylene group having 2 to 6 carbon atoms, and Rf represents carbon A perfluoroalkyl group having a number of 1 to 8, which is arbitrarily selected from a functional group having a hydroxyl group and a general formula —R ² —Rf as essential, and a is an average number of 1.0 ≦ a ≦ 1. 8)
What has the structure represented by these is preferable.
The fluorine-modified silicone resin has a silanol group in the molecule from the viewpoint of adhesion to skin and powder, and the ratio of the OH group in the silanol group is 0.1 to 5% by mass with respect to the resin mass. Of 0.5 to 5% by mass is more preferable.
Component (D-2) is preferably solid at 25 ° C., and from the viewpoint of compounding properties, it is a solution or dispersion diluted with a solvent, or a solution or dispersion obtained by mixing in advance. It is also possible to use it in a state. As the solvent to be diluted or dispersed, cyclic silicone, dimethylpolysiloxane and the like are preferable. The cyclic silicone is preferably used by dissolving in one or more selected from octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5).
As such a fluorine-modified silicone resin, INCI names “Trifluoropropyldimethyl / Trimethylsiloxysilicate”, XS66-B8226, XS66-C1191, XS66-B8636 (above, Momentive Performance Materials) Commercially available products such as those manufactured by the company) can be used.

  The organic silicone resin of component (D) can be used alone or in combination of two or more, and the content is such that the cosmetic material is uniformly attached to the lips, skin, etc., and the adhesion is improved, Moreover, from the point which is excellent in water resistance, 0.01 mass% or more is preferable in the whole composition, 0.2 mass% or more is more preferable, 0.5 mass% or more is further more preferable, 1 mass% or more is more preferable. 25 mass% or less is preferable, 20 mass% or less is more preferable, 15 mass% or less is more preferable, and 13 mass% or less is more preferable. Moreover, 0.01-25 mass% is preferable in the whole composition, as for content of a component (D), 0.2-20 mass% is more preferable, 0.5-15 mass% is more preferable, 1-13 A mass% is even more preferable.

  In the present invention, the mass ratio (A) / (D) of the component (A) to the component (D) is suppressed from secondary adhesion to the cup or the like immediately after application and after a long time has elapsed, so Strong, more preferably 0.05 or more, more preferably 0.2 or more, further preferably 0.3 or more, more preferably 0.5 or more from the viewpoint that it can be removed cleanly even when the cosmetic is removed from the lips or skin. The above is more preferable, 40 or less is preferable, 20 or less is more preferable, 12 or less is more preferable, and 10 or less is more preferable. Moreover, 0.05-40 are preferable, as for the mass ratio (A) / (D) of the component (A) with respect to a component (D), 0.2-20 are more preferable, 0.3-12 are more preferable, 0 5 to 10 is even more preferable.

Furthermore, the oily cosmetic of the present invention can contain a solid wax at 25 ° C. Solid at 25 ° C. means a solid property at 25 ° C. and a melting point of 61 ° C. or higher.
The solid wax at 25 ° C. is not limited as long as it is used in ordinary cosmetics, for example, mineral wax such as ozokerite and ceresin; petroleum wax such as paraffin and microcrystalline wax; Fischer-Tropsch wax , Synthetic hydrocarbons such as polyethylene wax; plant waxes such as carnauba wax, candelilla wax, rice wax, tree wax, sunflower wax; animal waxes such as beeswax and whale wax; synthetic waxes such as silicone wax and synthetic beeswax Is mentioned.

  A solid wax at 25 ° C. has a melting point of 65 ° C. or higher and 140 ° C. or lower, preferably 70 ° C. or higher and 90 ° C., from the viewpoint of imparting moderate hardness to oily cosmetics, suppressing oil seepage and moistening. The following is more preferable. Moreover, it is preferable not to include a wax having a melting point exceeding 90 ° C. from the viewpoint of imparting a smooth usability.

Moreover, the solid wax at 25 ° C. has a penetration of 1 or more and 150 or less at 25 ° C. from the viewpoint of imparting appropriate hardness to oily cosmetics, suppressing oil seepage and moistening. Of these, 15 or more and 110 or less are more preferable.
Here, the penetration of the wax sample kept at 25 ± 0.1 ° C. was adjusted to a specified needle (needle mass 2.5 ± 0.02 g, needle holder mass 47.5 ± 0.02 g, The weight of the weight 50 ± 0.05 g) measures the length of needle penetration for 5 seconds, and the needle penetration distance (mm) is multiplied by 10 to obtain the penetration. JIS K-2235 It is a value measured according to 5.4 (1991).

Examples of solid waxes having a penetration of 1 to 150 at 25 ° C. include mineral waxes, petroleum waxes, and synthetic hydrocarbons. Among these, microcrystalline wax and paraffin wax having a penetration of 15 or more and 110 or less are preferable, and the penetration is 15 or more from the viewpoint of suppressing dullness of the appearance color and high durability of the coating film and high performance of moisture. , 110 or less microcrystalline wax is more preferable. Moreover, it is preferable that the penetration degree in 25 degreeC is 25 or more and 80 or less microcrystalline wax.
As these waxes, commercially available products can be used. For example, as microcrystalline wax, Multiwax W-445, W-835 (above, manufactured by SONNEBORN), Paracera M (manufactured by Paramelt), Hi-Mic-1045. And 1070, 2045 (manufactured by Nippon Seiki Co., Ltd.), refined microcrystalline wax (manufactured by Nikko Rica Co., Ltd.), 155 ° microwax (manufactured by Nippon Oil Co., Ltd.) and the like.
The microcrystalline wax having a penetration of 15 or more is preferably contained in a solid wax at 25 ° C. in an amount of 50% by mass or more, and 70% by mass or more from the viewpoint of providing a smooth feeling of use and gloss when applied. More preferably.

  The wax that is solid at 25 ° C. can be used alone or in combination of two or more, and the content is less than 5% by mass in the total composition from the viewpoint of suppressing cosmetic distortion on the lips. It is preferably 3% by mass or less, more preferably 1% by mass or less, and still more preferably 0.5% by mass or less.

Furthermore, the oily cosmetic of the present invention can contain a powder. Such powder is not limited as long as it is used in ordinary cosmetics, and extender pigments, colored pigments, glitter pigments and the like can be used.
Examples of extender pigments include silicic acid, anhydrous silicic acid, magnesium silicate, talc, sericite, mica, synthetic mica, glass flake, synthetic phlogopite, kaolin, clay, bentonite, bismuth oxychloride, zirconium oxide, magnesium oxide. And inorganic pigments such as aluminum oxide, calcium sulfate, barium sulfate, magnesium sulfate, calcium carbonate, and magnesium carbonate, and composite powders thereof.

  Examples of the color pigment include metal oxides such as titanium oxide, zinc oxide, yellow iron oxide, red iron oxide, black iron oxide, bitumen, ultramarine blue, chromium oxide, and chromium hydroxide; metal complexes such as manganese violet and cobalt titanate; In addition, inorganic pigments such as carbon black; Red No. 3, Red No. 104, Red No. 106, Red No. 201, Red No. 202, Red No. 204, Red No. 205, Red No. 220, Red No. 226, Red No. 227, Red No. 228 No., Red No. 230, Red No. 401, Red No. 405, Red No. 505, Orange No. 203, Orange No. 204, Orange No. 205, Yellow No. 4, Yellow No. 5, Yellow No. 401, Blue No. 1, Blue No. 404, etc. Synthetic organic pigments; natural organic dyes such as β-carotene, caramel, and paprika dyes.

As a bright pigment, the surface of a plate powder such as mica, synthetic phlogopite, glass, silica, alumina, etc. is coated with titanium oxide, iron oxide, silicon oxide, bitumen, chromium oxide, tin oxide, chromium hydroxide, gold, Film raw materials such as those coated with colorants such as silver, carmine, organic pigments, etc., and polyethylene terephthalate / polymethylmethacrylate laminate powder, polyethylene terephthalate / aluminum deposition powder, polyethylene terephthalate / gold deposition laminate powder, etc. The cut one can be used.
As these powders, those subjected to various surface treatments such as water repellency treatment, water repellency / oil repellency treatment, and the like can also be used.

  One or more kinds of powders can be used, and the content is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, and preferably 20% by mass or less in the total composition. 10 mass% or less is more preferable. Moreover, 0.01-20 mass% is preferable in the whole composition, and, as for content of powder, 0.05-10 mass% is more preferable.

  Furthermore, the oily cosmetics of the present invention include, in addition to the above components, components used in ordinary cosmetics, for example, oily components other than components (B) and (C), surfactants, lower alcohols, polyhydric alcohols, Polymer components other than components (A) and (D), ultraviolet absorbers, antioxidants, dyes, fragrances, coloring materials, antifouling agents, moisturizing agents, water and the like can be contained.

  The oily cosmetic of the present invention can be produced by a usual method, and the dosage form may be any of solid, semi-solid, gel, liquid and the like.

The oily cosmetic composition of the present invention has a bulk bulk shear viscosity of 1500 Pa · s or less and 900 Pa · s or less at a shear rate of 0.1 s ⁻¹ at 25 ° C. from the viewpoint of ease of extension at the time of application. It is preferably 500 Pa · s or less, more preferably 250 Pa · s or less, even more preferably 200 Pa · s or less, and even more preferably 10 Pa · s or more, and 20 Pa · s or less. It is more preferably s or more, and further preferably 30 Pa · s or more. Further, when the shear rate at 25 ° C. is 0.1 s ⁻¹ , the bulk bulk shear viscosity is preferably 10 to 900 Pa · s, more preferably 20 to 500 Pa · s, and more preferably 20 to 250 Pa · s. It is more preferable that it is 30 to 200 Pa · s.
Shear viscosity is measured with a rheometer. The jig is φ25mm. The shear viscosity when the shear rate is 0.1 s ⁻¹ is read and measured. Specifically, the adjusted bulk is measured with a rheometer (MCR301; manufactured by Anton Paar). The jig is φ25mm. The shear viscosity when the shear rate is 0.1 s ⁻¹ is read and measured.

  The oily cosmetic of the present invention is a cosmetic having an oil agent as a continuous phase, and is used for skin, lips, eyelashes, nails and hair, and preferably used for lips. Lip cosmetics such as lipstick, lip gloss, lip liner; makeup cosmetics such as mascara, eyeliner, eye shadow, teak color, foundation, concealer; cream, milky lotion, essence, massage agent, deodorant, sunscreen, hair growth It can be an agent, hair color, hair wax, hair foam, and the like. Especially, it is suitable as lip cosmetics selected from lipstick, lip gloss, and lip liner.

  The oily cosmetic of the present invention is preferably used for application sites such as skin, lips, eyelashes, nails and hair using a cosmetic application tool.

  The oily cosmetic of the present invention is preferably in the form of being stored in a container to be taken out with a cosmetic application tool, and the container to be taken out is more preferably a bottle container, a jar container, or a tube container. From the viewpoint of suppression, a bottle container and a tube container are more preferable.

  A cosmetic applicator for taking out an oily cosmetic contained in a container has an application surface for applying the cosmetic, and has a support shaft connected to the application portion at the tip. Specific examples include a chip, a sponge, a puff, and a brush. Among them, a cosmetic application tool having an application surface for applying cosmetics, and having an application part made of a cone-shaped, flat body, and a support shaft having the application part connected to the tip, From the initial use, it is preferable from the viewpoint of easy application to the applicator and ease of application to the lips and skin.

The oily cosmetic of the present invention is in a form housed in a cosmetic container having a cosmetic applicator for taking out, so that it can be easily taken into the applicator from the initial use. In particular, a dipping container in which the cosmetic applicator is applied to the cosmetic is more preferable because there is little residual cosmetic remaining in the container after use.
This invention discloses the following compositions further regarding embodiment mentioned above.

<1> The following components (A), (B) and (C):
(A) It has a cellulose skeleton in the main chain, and 45 to 95 mol% of all hydroxyl groups are groups —O—M—R (M represents CH ₂ or a carbonyl group C═O, and R represents a straight chain having 3 to 40 carbon atoms. 1 to 50% by mass of a cellulose derivative substituted with a chain or branched chain alkyl group or alkenyl group)
(B) 5-80% by mass of volatile hydrocarbon oil,
(C) 5 to 50% by mass of ester oil which is liquid at 25 ° C.
When the mass ratio (B) / (C) of the component (B) to the component (C) is 0.7 to 9, and the shear rate at 25 ° C. is 0.1 s ⁻¹ , the whole bulk shear An oily cosmetic having a viscosity of 1500 Pa · s or less.

<2> In the cellulose derivative of component (A), the raw material cellulose derivative is preferably the following structural unit:

(In the formula, R ′ represents a linear or branched alkylene group having 2 to 8 carbon atoms, and n represents a number with an average added mole number of R′O per glucose unit of 0.1 to 10)
The oily cosmetic according to <1>, wherein hydroxyethyl cellulose and hydroxypropyl cellulose are more preferable, and hydroxypropyl cellulose is further preferable.

<3> In component (A), R in the group —O—M—R, which is a substituent of the hydroxyl group of the raw material cellulose derivative, is preferably a linear or branched alkyl group or alkenyl group having 9 to 21 carbon atoms. In addition, the oily cosmetic according to the above <1> or <2>, preferably having 11 to 17 carbon atoms and more preferably 15 carbon atoms.
<4> In component (A), the hydroxyl group-O-M-R substitution rate is preferably 48 mol% or more, more preferably 51 mol% or more, preferably 94 mol% or less, more preferably 92 mol% or less. The oily cosmetic according to any one of <1> to <3>, preferably 66 mol% or less.
In <5> component (A), the hydroxyl group residual ratio is preferably 5 mol% or more, more preferably 6 mol% or more, further preferably 8 mol% or more, still more preferably 34 mol% or more, and 55 mol% or less. The oily cosmetic according to any one of <1> to <4>, preferably 52 mol% or less, more preferably 49 mol% or less.

<6> The mass average molecular weight of the cellulose derivative of component (A) is preferably 100,000 or more, more preferably 200,000 or more, further preferably 300,000 or more, still more preferably 500,000 or more, and 5,000,000. The oily cosmetic according to any one of the above items <1> to <5>, preferably 4 million or less, more preferably 3 million or less, and even more preferably 2 million or less.
<7> Component (A) is preferably hydroxypropylcellulose lauric acid ester, hydroxypropylcellulose myristic acid ester, hydroxypropylcellulose palmitic acid ester, hydroxypropylcellulose stearic acid ester, hydroxypropylcellulose behenic acid ester, The oily cosmetic according to any one of <1> to <6>, wherein hydroxypropylcellulose palmitate is more preferable.
The content of <8> component (A) is preferably 1.5% by mass or more in the total composition, more preferably 2% by mass or more, further preferably 3% by mass or more, and 30% by mass or less. The oily cosmetic according to any one of <1> to <7>, preferably 20% by mass or less, more preferably 15% by mass or less, and still more preferably 10% by mass or less.

<9> The oily cosmetic according to any one of <1> to <8>, wherein the component (B) preferably has a flash point of 35 to 87 ° C.
<10> The component (B) is preferably a hydrocarbon oil having 8 to 16 carbon atoms, more preferably a hydrocarbon oil having 10 to 16 carbon atoms, and further preferably a hydrocarbon oil having 12 carbon atoms. The oily cosmetic according to any one of 1> to <9>.
<11> Component (B) is preferably an isoparaffinic hydrocarbon oil, isododecane, hydrogenated polyisobutene having 12 carbon atoms is more preferable, and isododecane is more preferably any one of the above items <1> to <10> The oily cosmetic described.
The content of <12> component (B) is preferably 35% by mass or more in the total composition, more preferably 40% by mass or more, further preferably 45% by mass or more, and further more preferably 46% by mass or more. The oily cosmetic according to any one of <1> to <11>, preferably 75% by mass or less, more preferably 70% by mass or less, and still more preferably 66% by mass or less.

<13> The ester oil of component (C) is preferably an ester oil having a branched chain, and is isotridecyl isononanoate, diisostearyl malate, isostearyl myristate, octyldodecyl ricinoleate, diglyceryl diisostearate, Any one of the above <1> to <12>, glyceryl monoisostearate, 2-ethylhexyl paramethoxycinnamate, and diglyceryl monoisostearate are more preferable, and isotridecyl isononanoate and diisostearyl malate are more preferable. The oily cosmetic described.
The content of <14> component (C) is preferably 7% by mass or more in the total composition, more preferably 10% by mass or more, further preferably 13% by mass or more, and preferably 40% by mass or less, 35% by mass or less is more preferable, and 33% by mass or less is more preferable. The oily cosmetic according to any one of <1> to <13>.

<15> The mass ratio (B) / (C) of the component (B) to the component (C) is preferably 1.0 or more, more preferably 1.4 or more, preferably 7 or less, and 5 or less. The oily cosmetic according to any one of <1> to <14>, more preferably.
<16> The mass ratio (A) / (C) of the component (A) to the component (C) is preferably 0.10 or more, more preferably 0.12 or more, and further preferably 0.14 or more. The oily cosmetic according to any one of <1> to <15>, preferably 1.25 or less, more preferably 1.0 or less, and further preferably 0.65 or less.

<17> The oily cosmetic according to any one of <1> to <16>, further comprising (D) an organosilicone resin.
<18> Component (D) is preferably (D-1) trimethylsiloxysilicic acid, a compound having a crosslinked structure having a siloxane structure as the main skeleton, [(CH ₃ ) ₃ SiO _1/2 ] The oily cosmetic according to <17>, wherein _X [SiO ₂ ] _Y (X is 1 to 3, Y is 0.5 to 8) is more preferable.
<19> (D-1) The trimethylsiloxysilicic acid preferably has a mass average molecular weight of 1000 to 10000, more preferably 2000 to 9000, and further preferably 3000 to 6000. <18 > The oily cosmetics described.

<20> Component (D) is preferably (D-2) a fluorine-modified silicone resin having the general formula (1)
R ¹ _a SiO _{(4-a) / 2} (1)
(In the formula, R ¹ represents a hydrocarbon group having 1 to 8 carbon atoms, a phenyl group, a hydroxyl group, or a general formula —R ² —Rf (R ² represents a divalent alkylene group having 2 to 6 carbon atoms, and Rf represents carbon A perfluoroalkyl group having a number of 1 to 8, which is arbitrarily selected from a functional group having a hydroxyl group and a general formula —R ² —Rf as essential, and a is an average number of 1.0 ≦ a ≦ 1. 8)
The oily cosmetic according to <17>, more preferably having a structure represented by the formula:
<21> (D-2) The fluorine-modified silicone resin preferably has a silanol group in the molecule, and the ratio of the OH group in the silanol group is 0.1 to 5% by mass with respect to the resin mass. The oily cosmetic according to <20>, wherein 0.5 to 5% by mass is more preferable.

The content of <22> component (D) is preferably 0.01% by mass or more, more preferably 0.2% by mass or more, still more preferably 0.5% by mass or more, in the total composition. Any of the above <17> to <21>, more preferably not less than 25% by weight, more preferably not more than 25% by weight, more preferably not more than 20% by weight, still more preferably not more than 15% by weight, and still more preferably not more than 13% by weight. The oily cosmetic according to 1.
<23> The mass ratio (A) / (D) of the component (A) to the component (D) is preferably 0.05 or more, more preferably 0.2 or more, and further preferably 0.3 or more. 0.5 or more is still more preferable, 40 or less is preferable, 20 or less is more preferable, 12 or less is more preferable, and 10 or less is still more preferable, The oily cosmetics in any one of said <17>-<22> .

<24> Further, a wax that is solid at 25 ° C., wherein the wax has a melting point of 65 ° C. or higher and 140 ° C. or lower, and more preferably 70 ° C. or higher and 90 ° C. or lower is any of the above <1> to <23> The oily cosmetic according to 1.
<25> A wax that is solid at 25 ° C., preferably the penetration at 25 ° C. is 1 or more and 150 or less, more preferably 15 or more and 110 or less, and the penetration is 1 or more and 150 or less. The oily cosmetic according to <24>, wherein microcrystalline wax and paraffin wax are more preferable, and microcrystalline wax having a penetration of 1 or more and 150 or less is more preferable.
<26> The content of the wax solid at 25 ° C. is preferably less than 5% by mass in the total composition, more preferably 3% by mass or less, still more preferably 1% by mass or less, and 0.5% by mass. The oily cosmetic according to <24> or <25>, wherein the following is more preferable.
<27> The oily cosmetic according to any one of <1> to <26>, further comprising powder, wherein the powder is preferably an extender pigment, a color pigment, or a bright pigment.
The content of <28> powder is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, more preferably 20% by mass or less, and more preferably 10% by mass or less in the total composition. The oily cosmetic described in <27> above.

<29> When the shear rate at 25 ° C. is 0.1 s ⁻¹ , the bulk bulk shear viscosity is preferably 900 Pa · s or less, more preferably 500 Pa · s or less, and 250 Pa · s or less. More preferably, it is 200 Pa · s or less, more preferably 10 Pa · s or more, more preferably 20 Pa · s or more, and further preferably 30 Pa · s or more. The oily cosmetic according to any one of <1> to <28>.
<30> The oily cosmetic according to any one of <1> to <29>, which is a lip cosmetic.

<31> Use of the oily cosmetic composition according to any one of <1> to <30> for application to a lip.
<32> Use of the oily cosmetic according to any one of <1> to <30> for producing the oily cosmetic.
<33> Use of the oily cosmetic according to any one of <1> to <30> for application to a lip using a cosmetic application tool.

Production Example 1 (Production of cellulose derivative 1)
94 g (1.01 mol) of 3-methylpyridine was dissolved in 57.8 g (0.165 mol) of hydroxypropylcellulose (Celney M; manufactured by Nippon Soda Co., Ltd.) in a mixed solvent of toluene and methyl ethyl ketone under nitrogen at 50 ° C. Let 85.1 g (0.31 mol) of palmitoyl chloride is added dropwise over 0.5 hours. Thereafter, the mixture was reacted at 50 ° C. for 5 hours, precipitated in ethanol, purified and dried to obtain hydroxypropyl cellulose palmitate. (Mass average molecular weight 1,500,000, average acyl substitution degree is 60 mol% of all hydroxyl groups)

(Measurement of mass average molecular weight)
The average molecular weight (Mw) of the polymer was measured by gel permeation chromatography (GPC) using Hitachi L-6000 type high performance liquid chromatography. The eluent flow path pump was Hitachi L-6000, the detector was a Shodex RI SE-61 differential refractive index detector, and the column was a GMHHR-H double connected. The sample was adjusted to a concentration of 0.5 g / 100 mL with an eluent, and 20 μL was used. As the eluent, a chloroform solution of 1 mmol / L N, N-dimethyldodecylamine (Farmin DM20, manufactured by Kao Corporation) was used. The column temperature was 40 ° C. and the flow rate was 1.0 mL / min.

(Measurement of average acyl (ester) substitution degree)
In H-NMR, the proton of the methine group adjacent to the carbonyl group of the esterified cellulose appears in the vicinity of 5 ppm, and the total of the proton adjacent to the 6-membered ring oxygen of cellulose and the methylene group adjacent to the hydroxyl group of cellulose is 3 Appears around 5 ppm. It was calculated from the integrated value.

Production Example 2 (Production of cellulose derivative 2)
Add 231.2 g (2.46 mol) of 3-methylpyridine to 57.8 g (0.165 mol) of hydroxypropylcellulose (Celney M; manufactured by Nippon Soda Co., Ltd.) in a mixed solvent of toluene and methyl ethyl ketone under nitrogen at 50 ° C. To dissolve. 122.5 g (0.44 mol) of palmitoyl chloride is added dropwise over 0.5 hours. Thereafter, the mixture was reacted at 50 ° C. for 5 hours, precipitated in ethanol, purified and dried to obtain hydroxypropyl cellulose palmitate. (Mass average molecular weight 1 million, average acyl substitution degree is 80 mol% of all hydroxyl groups)

Production Example 3 (Production of cellulose derivative 3)
232.8 g (2.5 mol) of 3-methylpyridine was added to 57.8 g (0.165 mol) of hydroxypropyl cellulose (Selney M; manufactured by Nippon Soda Co., Ltd.) in a mixed solvent of toluene and methyl ethyl ketone under nitrogen at 50 ° C. To dissolve. 300.0 g (1.09 mol) of palmitoyl chloride is added dropwise over 0.5 hours. Thereafter, the mixture was reacted at 50 ° C. for 5 hours, precipitated in ethanol, purified and dried to obtain hydroxypropyl cellulose palmitate. (Mass average molecular weight 870,000, average acyl substitution degree is 90 mol% of all hydroxyl groups)

Production Example 4 (Production of Cellulose Derivative 4)
At room temperature in chloroform under nitrogen, 19.9 g (0.21 mol) of 3-methylpyridine was added to 5 g (8.3 × 10 ⁻⁶ mol) of hydroxypropylcellulose (Selney M; manufactured by Nippon Soda Co., Ltd.). Dissolve. 20.6 g (0.094 mol) of lauroyl chloride is added dropwise over 0.5 hours. Thereafter, the mixture was reacted at 50 ° C. for 15 hours, precipitated in methanol, purified and dried to obtain hydroxypropyl cellulose laurate. (Mass average molecular weight 800,000, average acyl substitution degree is 90 mol% of all hydroxyl groups)

Production Example 5 (Production of cellulose derivative 5)
Add 93.8 g (1 mol) of 3-methylpyridine to 57.8 g (0.165 mol) of hydroxypropyl cellulose (Celney M; manufactured by Nippon Soda Co., Ltd.) at 50 ° C. in a mixed solvent of toluene and methyl ethyl ketone under nitrogen. Let 47.6 g (0.17 mol) of palmitoyl chloride are added dropwise over 0.5 hours. Thereafter, the mixture was reacted at 50 ° C. for 5 hours, precipitated in ethanol, purified and dried to obtain hydroxypropyl cellulose palmitate. (Mass average molecular weight 750,000, average acyl substitution degree is 30 mol% of all hydroxyl groups)

Examples 1-15, Comparative Examples 1-5
Manufacture lipsticks with the composition shown in Table 1 and measure the bulk shear viscosity, and there is no wrinkle immediately after application, no tension immediately after application, smoothness when the lips are rubbed immediately after application, Secondary adhesion to tile (color difference ΔE), secondary adhesion to tile 4 hours after application (color difference ΔE), difficulty in color transfer immediately after application, difficulty in color transfer after application 4 hours, application After 4 hours, the lipstick crease on the lips, water resistance immediately after application, and ease of lipstick removal were evaluated. The results are also shown in Table 1.

(Production method)
The base materials other than the color material were heated and dissolved, mixed uniformly, and cooled to 40 ° C. A color material material was added to this, uniformly dispersed with a disperser, defoamed, and then poured into a container to obtain a lipstick.

(Evaluation method)
(1) Measurement of shear viscosity:
The shear viscosity at 25 ° C. was measured for the prepared bulk using a rheometer (MCR301; manufactured by Anton Paar). A jig having a diameter of 25 mm was used, and the shear viscosity at a shear rate of 0.1 s ^-1 was read.

(2) No wrinkle immediately after application (sensory evaluation):
Each of 10 professional panelists applied each lipstick to the lips and sensory-evaluated the lack of stiffness after 5 minutes. The results are shown in terms of the number of panelists evaluated as being good (no stiffness).

(3) No tension immediately after application (sensory evaluation):
Each of 10 professional panelists applied each lipstick to the lips and sensory-evaluated the lack of a feeling of tension after 5 minutes. The results are shown in terms of the number of panelists evaluated as being good (no feeling of tension).

(4) Smoothness when the lips are rubbed immediately after application (sensory evaluation):
Ten professional panelists applied each lipstick to the lips, and sensory evaluated the smoothness when the lips were rubbed together after 5 minutes. The results were expressed as the number of panelists rated as good (smooth).

(5) Secondary adhesion to the tile immediately after application and after 4 hours (color difference ΔE):
An appropriate amount of lipstick was applied to the lips. After 5 minutes and 4 hours, the lipstick was transferred to a white tile, and the colored portion was measured. The color difference ΔE from the white tile was obtained from the following equation.
ΔE = (ΔL ² + Δa ² + Δb ² ) ^1/2
・ White tiles: Residential ceramic tiles (INAX, 10cm x 10cm)
The colorimetric values of the white tile are L = 93.7, a = 0.86, b = 3.95.
・ Colorimeter: Color difference meter CR-300 (Minolta)

(6) Color transfer difficulty immediately after application and after 4 hours (sensory evaluation):
Ten professional panelists applied each lipstick to the lips, and after 5 minutes and 4 hours had passed, sensory evaluation was performed on the difficulty of color transfer when the lips were attached to the cup. The results are shown in terms of the number of panelists evaluated as being good (hard to transfer).

(7) Unpleasant lipstick on the lips 4 hours after application (sensory evaluation):
Ten professional panelists applied each lipstick to the lips, and after 4 hours, sensory evaluation was performed on the degree of difficulty of the lipstick on the lips. The results are shown in terms of the number of panelists evaluated as being good (difficult to twist).

(8) Water resistance immediately after application (sensory evaluation):
After applying each lipstick to the lips, the difficulty of color transfer when the lips were wet was evaluated.
Ten professional panelists applied each lipstick to the lips, and after 5 minutes, drank water in a cup containing 20 ° C. water, and sensorially evaluated the difficulty of color transfer to the cup. The results are shown in terms of the number of panelists evaluated as being good (hard to transfer).

(9) Ease of dropping lipstick:
Ten professional panelists applied each lipstick to the lips, and after 4 hours, the lipstick was removed with a makeup remover (biole makeup remover, cotton only moisturized rich) and sensory evaluated. The results are shown in terms of the number of panelists evaluated as being good (can be cleaned cleanly).

Examples 16-17
Lipsticks having the compositions shown in Tables 2 and 3 were produced in the same manner as in Examples 1 to 15, and bulk shear viscosity was measured.
All of the lipsticks obtained did not feel sticky or sticky immediately after application, and were smooth when the lips were rubbed immediately after application, and secondary adhesion to the tile immediately after application and 4 hours after application was suppressed. In addition, color transfer is difficult after 4 hours of application, lipstick on the lips is not easily blurred after 4 hours of application, water resistance immediately after application is excellent, and lipstick can be removed cleanly.

Claims (33)

The following components (A), (B) and (C):
(A) It has a cellulose skeleton in the main chain, and 45 to 95 mol% of all hydroxyl groups are groups —O—M—R (M represents CH ₂ or a carbonyl group C═O, and R represents a straight chain having 3 to 40 carbon atoms. 1 to 50% by mass of a cellulose derivative substituted with a chain or branched chain alkyl group or alkenyl group)
(B) 5-80% by mass of volatile hydrocarbon oil,
(C) 5 to 50% by mass of ester oil which is liquid at 25 ° C.
When the mass ratio (B) / (C) of the component (B) to the component (C) is 0.7 to 9, and the shear rate at 25 ° C. is 0.1 s ⁻¹ , the whole bulk shear An oily cosmetic having a viscosity of 1500 Pa · s or less.   2. The oily cosmetic according to claim 1, wherein in component (A), R is a linear or branched alkyl group or alkenyl group having 9 to 21 carbon atoms.   The oily cosmetic according to claim 1 or 2, wherein the component (A) has a residual hydroxyl group content of 5 to 55 mol%.   The oily cosmetic according to any one of claims 1 to 3, wherein the cellulose derivative of the component (A) has a mass average molecular weight of 100,000 to 5,000,000.   The oily cosmetic according to any one of claims 1 to 4, wherein the component (A) is hydroxypropylcellulose palmitate.   The oily cosmetic according to any one of claims 1 to 5, wherein the content of the component (A) is 1.5 to 30% by mass in the entire composition.   The oily cosmetic according to any one of claims 1 to 6, wherein the component (B) has a flash point of 35 to 87 ° C.   The oily cosmetic according to any one of claims 1 to 7, wherein the component (B) is a hydrocarbon oil having 8 to 16 carbon atoms.   The oily cosmetic according to any one of claims 1 to 8, wherein the component (B) is isododecane.   The oily cosmetic according to any one of claims 1 to 9, wherein the content of the component (B) is 35 to 75 mass% in the entire composition.   The oily cosmetic according to any one of claims 1 to 10, wherein the ester oil of component (C) is an ester oil having a branched chain.   The component (C) ester oil is isotridecyl isononanoate, diisostearyl malate, isostearyl myristate, octyldodecyl ricinoleate, diglyceryl diisostearate, glyceryl monoisostearate, 2-ethylhexyl paramethoxycinnamate The oily cosmetic according to any one of claims 1 to 11, which is selected from diglyceryl monoisostearate.   The oily cosmetic according to any one of claims 1 to 12, wherein the content of the component (C) is 7 to 40% by mass in the entire composition.   The oily cosmetic according to any one of claims 1 to 13, wherein a mass ratio (B) / (C) of the component (B) to the component (C) is 1.0 to 7.   The oily cosmetic according to any one of claims 1 to 14, wherein a mass ratio (A) / (C) of the component (A) to the component (C) is 0.10 to 1.25.   Furthermore, the oil-based cosmetics of any one of Claims 1-15 containing 0.01-25 mass% of (D) organosilicone resin. Component (D) is a compound having at least (D-1) trimethylsiloxysilicic acid and having a crosslinked structure having a siloxane structure as a main skeleton, [(CH ₃ ) ₃ SiO _1/2 ] _X [SiO ₂ ] Oily cosmetics of Claim 16 containing _Y (X is 1-3, Y is 0.5-8).   The oily cosmetic according to claim 17, wherein the component (D-1) trimethylsiloxysilicic acid has a mass average molecular weight of 1000 to 10,000. Component (D) is at least (D-2) a fluorine-modified silicone resin having the general formula (1)
R ¹ _a SiO _{(4-a) / 2} (1)
(In the formula, R ¹ represents a hydrocarbon group having 1 to 8 carbon atoms, a phenyl group, a hydroxyl group, or a general formula —R ² —Rf (R ² represents a divalent alkylene group having 2 to 6 carbon atoms, and Rf represents carbon A perfluoroalkyl group having a number of 1 to 8, which is arbitrarily selected from a functional group having a hydroxyl group and a general formula —R ² —Rf as essential, and a is an average number of 1.0 ≦ a ≦ 1. 8)
The oily cosmetic according to any one of claims 16 to 18, which has a structure represented by the following formula.   The component (D-2) fluorine-modified silicone resin has silanol groups in the molecule, and the proportion of OH groups in the silanol groups is 0.1 to 5% by mass with respect to the resin mass. Oily cosmetics.   21. The oily cosmetic according to any one of claims 16 to 20, wherein the content of the component (D) is 0.2 to 20% by mass in the entire composition.   The oily cosmetic according to any one of claims 16 to 21, wherein the mass ratio (A) / (D) of the component (A) to the component (D) is 0.05 to 40.   Furthermore, the oil-based cosmetics of any one of Claims 1-22 containing a solid wax at 25 degreeC.   The oily cosmetic according to claim 23, wherein the wax solid at 25 ° C has a melting point of 65 ° C or higher and 140 ° C or lower.   The oily cosmetic according to claim 23 or 24, wherein the wax solid at 25 ° C has a penetration of 1 to 150 at 25 ° C.   26. The oily cosmetic according to any one of claims 23 to 25, wherein the content of the wax solid at 25 ° C. is less than 5% by mass in the whole composition.   Furthermore, the oily cosmetics of any one of Claims 1-26 containing 0.01-20 mass% of powder. The oily cosmetic according to any one of claims 1 to 27, wherein the shear viscosity of the entire bulk is 10 to 900 Pa · s at a shear rate of 0.1 s ^-1 at 25 ° C. The oily cosmetic according to any one of claims 1 to 28, wherein the shear viscosity of the entire bulk is 20 to 500 Pa · s at a shear rate of 0.1 s ^-1 at 25 ° C.   The oily cosmetic according to any one of claims 1 to 29, which is a lip cosmetic.   Use for applying to the lips of the oil-based cosmetics of any one of Claims 1-30.   Use of the oily cosmetic according to any one of claims 1 to 30 for producing an oily cosmetic.   Use of the oily cosmetic composition according to any one of claims 1 to 30 for applying to a lip using a cosmetic application tool.