JP2015067603A - Aqueous cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an aqueous cosmetic which suppresses uneven spreading after application, has a good spreading properties at the time of applying powdery foundation, and improves make-up deterioration around the facial lines after 6 hours from the application of a powdery foundation.SOLUTION: The invention provides an aqueous cosmetic comprising: (A) 0.1-17 mass% of organopolysiloxane in which poly (N-acyl alkylene imine) segments having an average molecular weight of 1000-40000 consisting of repeating units mediated by alkylene group comprising a hetero atom bind at least two of silicon atoms of the organopolysiloxane segment constructing a principal chain; (B) 0.05-5 mass% of hydrophobically modified polyether urethane represented by the following general formula (5); and (C) water. The mass ratio of the component (A) and the component (B), (A)/(B) is 0.1-50. The mass ratio of the organopolysiloxane segment and the poly (N-acyl alkylene imine) segment of the ingredient (A) is 45/55 to 79/21.

Description

  The present invention relates to an aqueous cosmetic.

  Various thickeners are used to maintain the shape retention and stability of cosmetics. For example, Patent Document 1 and Patent Document 2 describe a viscosity modifier having a specific urethane bond, and it is described that a composition containing the same maintains a constant viscosity even with changes in temperature and pH. Yes. Patent Document 3 describes that a cosmetic composition containing such a viscosity modifier is excellent in viscosity stability and usability.

JP-A-9-71766 JP 2000-239649 A JP 2000-239120 A

  The present inventor has found that, with a viscosity adjuster that has been used in the past, the viscosity of the cosmetic is high, but unevenness occurs after application, and when the foundation is overlaid, the foundation is overlaid for 6 hours. I found out that there is a problem with the makeup of the makeup.

  When the present inventors use a specific poly (N-acylalkylenimine) -modified organopolysiloxane and a hydrophobically-modified polyether urethane in combination at a specific ratio, an aqueous cosmetic that solves the above problems can be obtained. I found.

The present invention includes the following components (A), (B) and (C):
(A) At least two silicon atoms of the organopolysiloxane segment constituting the main chain, via an alkylene group containing a hetero atom, the following general formula (1);

(Wherein R ¹ represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and t represents 2 or 3)
An organopolysiloxane formed by bonding poly (N-acylalkylenimine) segments composed of repeating units represented by:
The number average molecular weight of the poly (N-acylalkylenimine) segment is 500 to 4000,
The weight average molecular weight of the organopolysiloxane segment between adjacent poly (N-acylalkylenimine) segments is 1000-40000,
0.1 to 17% by mass of an organopolysiloxane having a weight average molecular weight of 15,000 to 200,000 of the organopolysiloxane segment constituting the main chain,
(B) The following general formula (5):

(In the formula, R ¹¹ , R ¹² and R ¹⁴ are the same or different and each represents a hydrocarbon group, R ¹³ represents a hydrocarbon group which may have a urethane bond, and R ¹⁵ represents a linear or branched chain. Or a secondary hydrocarbon group, m represents a number of 2 or more, h represents a number of 1 or more, and k and n independently represent a number of 0 to 1000)
0.05 to 5% by mass of a hydrophobically modified polyether urethane represented by
(C) It is related with the water-based cosmetics which contain water and the mass ratio (A) / (B) of component (A) and (B) is 0.1-50.

  The aqueous cosmetic composition of the present invention is excellent in shape retention, spreads well on the skin during application, has no stickiness with a fresh feeling of use, and suppresses uneven play. In addition, the sponge is prevented from being caught when the foundation is overlaid, and the spread of the overlaid foundation is excellent. Even after 6 hours of overcoating with the foundation, the unevenness is suppressed, and the makeup and powder floating are not noticeable.

  Component (A) used in the present invention is represented by the following general formula (1) via an alkylene group containing a hetero atom in at least two silicon atoms of the organopolysiloxane segment constituting the main chain;

(Wherein R ¹ represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and t represents 2 or 3)
An organopolysiloxane formed by bonding poly (N-acylalkylenimine) segments composed of repeating units represented by:
The number average molecular weight of the poly (N-acylalkylenimine) segment is 500 to 4000,
The weight average molecular weight of the organopolysiloxane segment between adjacent poly (N-acylalkylenimine) segments is 1000-40000,
The organopolysiloxane segment constituting the main chain is an organopolysiloxane having a weight average molecular weight of 15,000 to 200,000, and by using the component, more excellent stability can be obtained.

  The poly (N-acylalkyleneimine) segment is bonded to any silicon atom constituting the organopolysiloxane segment via an alkylene group containing a hetero atom. Further, it is preferably bonded to one or more silicon atoms excluding both ends of the organopolysiloxane segment via the alkylene group, and bonded to two or more silicon atoms excluding both ends via the alkylene group. More preferably. That is, the organopolysiloxane of component (A) is a graft polymer having a poly (N-acylalkylenimine) segment composed of at least two or more repeating units represented by the general formula (1) as a side chain. is there.

The alkylene group containing a hetero atom functions as a linking group for the poly (N-acylalkylenimine) segment. Examples of the alkylene group include C2-C20 alkylene groups containing 1 to 3 nitrogen atoms, oxygen atoms or sulfur atoms, and are represented by any of the following formulas (i) to (vii). A group represented by the following formula (i) or (ii) is more preferred, and a group represented by the following formula (i) is more preferred. In the formula, An ⁻ represents a counter ion of a quaternary ammonium salt, for example, ethyl sulfate ion, methyl sulfate ion, chloride ion, iodide ion, sulfate ion, p-toluenesulfonate ion, perchlorate ion. Is exemplified.

In the N-acylalkyleneimine unit constituting the poly (N-acylalkylenimine) segment, in the general formula (1), the alkyl group having 1 to 3 carbon atoms in R ¹ is, for example, a straight chain having 1 to 3 carbon atoms. Examples include a chain alkyl group or a branched or alkyl group having 3 carbon atoms, and specific examples include a methyl group, an ethyl group, an n-propyl group, and an isopropyl group.

  In the general formula (1), t represents a number of 2 or 3, and is preferably 2 from the viewpoint of obtaining raw materials when producing the organopolysiloxane.

The mass ratio (a / b) between the organopolysiloxane segment (a) constituting the main chain and the poly (N-acylalkyleneimine) segment (b) is excellent in shape retention and spreads to the skin during application. 45/55 to 79/21 is preferable from the viewpoint that the stickiness is good, the stickiness is not noticeable, and the playing unevenness is suppressed, and 60/40 to 79 is preferable from the viewpoint that unevenness with time and unevenness of makeup are suppressed. / 21 is more preferable.
In this specification, the mass ratio (a / b) is determined by dissolving 5% by mass of the organopolysiloxane of component (A) in deuterated chloroform, and analyzing it by nuclear magnetic resonance ( ¹ H-NMR) analysis. The value obtained from the integral ratio of the alkyl group or phenyl group in the segment and the methylene group in the poly (N-acylalkylenimine) segment.

  In the organopolysiloxane of component (A), the weight average molecular weight of the organopolysiloxane segment between the adjacent poly (N-acylalkyleneimine) segments (hereinafter also simply referred to as “MWg”) is in the range of 1000 to 40000, From the point of the softness | flexibility of a film | membrane and the orientation to an oil-water interface, More preferably, it is 1500-30000, More preferably, it is 2000-10000.

In the present specification, the “organopolysiloxane segment between adjacent poly (N-acylalkyleneimine) segments” means an organopolysiloxane of a poly (N-acylalkylenimine) segment as shown in the following formula (2). A portion surrounded by a broken line between two points from a bonding point to the segment (bonding point A) to a bonding point (bonding point B) of the poly (N-acylalkyleneimine) segment adjacent thereto, A segment composed of R ² SiO units, one R ³ , and y + 1 (R ² ) ₂ SiO units. The “poly (N-acylalkylenimine) segment” refers to —Z—R ⁴ bonded to R ³ .

In the general formula (2), R ² independently represents an alkyl group having 1 to 22 carbon atoms or a phenyl group, R ³ represents an alkylene group containing a hetero atom, and —Z—R ⁴ represents poly (N— An acylalkylenimine) segment, R ⁴ represents a residue of a polymerization initiator, and y represents a positive number.

  MWg is the molecular weight of the portion surrounded by the broken line in the above general formula (2), but is understood as the mass (g / mol) of the organopolysiloxane segment per mole of the poly (N-acylalkylenimine) segment. Can do. In addition, when the functional group of the modified organopolysiloxane that is the raw material compound is 100% substituted with poly (N-acylalkyleneimine), it matches the functional group equivalent (g / mol) of the modified organopolysiloxane.

  The poly (N-acylalkylenimine) segment is represented by a number average molecular weight, and is calculated from the molecular weight of N-acylalkyleneimine units and the degree of polymerization, or gel permeation chromatography (hereinafter also simply referred to as “GPC”). ) It can be measured by the measuring method. In the present invention, the polystyrene-equivalent number average molecular weight (hereinafter, also simply referred to as “MNox”) measured by GPC measurement performed under the measurement conditions described later is used. When the MNox is in the range of 500 to 4000, the flexibility of the film and the solubility in the solvent can be increased. From this viewpoint, the MNox is preferably 800 to 3500, more preferably 1000 to 3000.

The MWg can be obtained by the following formula (I) using the content (mass%) of the organopolysiloxane segment constituting the main chain (hereinafter also simply referred to as “Csi”).
MWg = Csi × MNox / (100−Csi) (I)

  The weight average molecular weight (hereinafter also simply referred to as “MWsi”) of the organopolysiloxane segment constituting the main chain is 15,000 to 200,000, and preferably 20000 to 160000, more preferably from the viewpoint of flexibility and adhesion to the skin. 25,000 to 100,000. The organopolysiloxane of component (A) can be easily blended into various products by dissolving in a polar solvent such as water. Since the organopolysiloxane segment constituting the main chain has a common skeleton with the modified organopolysiloxane that is the raw material compound, MWsi is substantially the same as the weight average molecular weight of the modified organopolysiloxane that is the raw material compound. In addition, the weight average molecular weight of the modified organopolysiloxane which is a raw material compound is measured by GPC under the measurement conditions described later, and is converted to polystyrene.

  The weight average molecular weight (hereinafter also simply referred to as “MWt”) of the organopolysiloxane of the component (A) is preferably 25,000 to 200,000, more preferably 30000 to 2,000 from the viewpoint of achieving both adhesion to the skin and emulsion stability. 160000, more preferably 35,000 to 150,000. MWt is a value measured by GPC under the measurement conditions described later and converted to polystyrene.

  In addition to the high elastic modulus and a large deformable amount, the organopolysiloxane of component (A) becomes extremely soft when heated to a temperature range of 50 to 220 ° C., and immediately after the heating is stopped and it returns to room temperature. It has a characteristic thermoplasticity that regains elasticity.

  The organopolysiloxane of component (A) is, for example, the following general formula (3)

(Wherein R ² represents the same meaning as described above, and R ⁵ and R ⁶ each represent the same group as R ² , or the following formulas (viii) to (xiii)

R ⁷ represents a monovalent group represented by the above formulas (viii) to (xiii), and d represents a number from 91.5 to 1255.0. E represents a number of 2.0 to 62.5]
Modified organopolysiloxane represented by the following general formula (4)

(Wherein R ¹ and t have the same meaning as described above)
Is produced by reacting with a terminal reactive poly (N-acylalkyleneimine) obtained by ring-opening polymerization.

  A polymerization initiator can be used for the ring-opening polymerization of the cyclic imino ether represented by the general formula (4) (hereinafter also simply referred to as “cyclic imino ether (4)”). As the polymerization initiator, a compound having strong electrophilic reactivity, for example, a strong acid such as benzenesulfonic acid alkyl ester, p-toluenesulfonic acid alkyl ester, trifluoromethanesulfonic acid alkyl ester, trifluoroacetic acid alkyl ester, sulfuric acid dialkyl ester, etc. Alkyl esters can be used, and among them, dialkyl sulfate is preferably used.

  Examples of the polymerization solvent include acetates such as ethyl acetate and propyl acetate, ethers such as diethyl ether, diisopropyl ether, dioxane and tetrahydrofuran, ketones such as acetone and methyl ethyl ketone, halogen solvents such as chloroform and methylene chloride, acetonitrile. , Nitrile solvents such as benzonitrile, aprotic polar solvents such as N, N-dimethylformamide, N, N-dimethylacetamide, dimethyl sulfoxide, etc., among which acetates are preferred Is done. The usage-amount of a solvent is 20-2000 mass parts normally with respect to 100 mass parts of cyclic imino ether (4).

  The polymerization temperature is usually from 30 to 170 ° C., preferably from 40 to 150 ° C., and the polymerization time is not uniform depending on the polymerization temperature or the like, but is usually from 1 to 60 hours.

  When, for example, 2-substituted-2-oxazoline is used as the cyclic imino ether (4), poly (N-acylethyleneimine) of t = 2 in the general formula (1) is obtained, and 2-substituted-dihydro When 2-oxazine is used, in the above general formula (1), poly (N-acylpropyleneimine) having t = 3 is obtained.

  Poly (N-acylalkylenimine) obtained by living polymerization of cyclic iminoether (4) has a reactive group at the terminal. Therefore, the reactive group at the terminal of the poly (N-acylalkylenimine) and the reactive group represented by the above (viii) to (xiii) of the modified organopolysiloxane represented by the general formula (3) By reacting, the organopolysiloxane of component (A) can be obtained.

  In the production method by the living polymerization, the degree of polymerization can be easily controlled by the use amount of the cyclic imino ether (4) and the polymerization initiator as in the theoretical formula (II) shown below, and moreover than the normal radical polymerization. This is effective in that a substantially monodispersed poly (N-acylalkylenimine) having a narrow molecular weight distribution can be obtained.

  The amount of cyclic iminoether (4) used and the amount of polymerization initiator used is preferably such that MNi in formula (II) is 500-4000, more preferably 800-3500, The amount is more preferably 1000 to 3000.

  The weight average molecular weight of the modified organopolysiloxane represented by the general formula (3) is preferably 25000 to 200000 from the viewpoint of solubility of the obtained organopolysiloxane in a polar solvent such as water and ease of handling after dissolution. More preferably, it is 30000-160000, More preferably, it is 35000-150,000.

Further, the functional group equivalent of the modified organopolysiloxane represented by the general formula (3) has an upper limit to satisfy the mass ratio (a / b) and MWg of the organopolysiloxane of the component (A). From this viewpoint and the viewpoint of imparting appropriate hydrophobicity to the main chain, the functional group equivalent is preferably 1000 to 40000, more preferably 1500 to 30000, and still more preferably 2000 to 10000. Here, the functional group equivalent of the modified organopolysiloxane represented by the general formula (3) is the weight average molecular weight of the modified organopolysiloxane represented by the general formula (3). This is the value divided by the average value of the number of R ^{7 around} .

  The amount of the modified organopolysiloxane represented by the general formula (3) and the terminal reactive poly (N-acylalkyleneimine) is the mass ratio (modified organopolysiloxane / terminal reactive poly (N-acylalkylene). The imine)) is preferably in the range of 45/55 to 79/21 from the viewpoint of the elastic modulus and the deformable amount of the resulting organopolysiloxane. From the same viewpoint, 60/40 to 79/21 is more preferable. preferable.

  In the present invention, in the synthesis of each organopolysiloxane, various molecular weights were measured according to the following measurement conditions.

<Measurement conditions of weight average molecular weight of modified organopolysiloxane>
Column: Super HZ4000 + Super HZ2000 (Tosoh Corporation)
Eluent: 1 mM triethylamine / THF
Flow rate: 0.35mL / min
Column temperature: 40 ° C
Detector: UV
Sample: 50 μL

<Measurement conditions for MNox and MWt>
Column: Two K-804L (Tosoh Corporation) are connected in series.
Eluent: 1 mM dimethyldodecylamine / chloroform Flow rate: 1.0 mL / min
Column temperature: 40 ° C
Detector: RI
Sample: 50 μL

Further, ¹ H-NMR measurement for calculating the mass ratio (a / b) was performed under the following conditions.
^<1 H-NMR measurement conditions>
The composition of the obtained polymer was confirmed by ¹ H-NMR (manufactured by 400 MHz Varian).
A sample amount of 0.5 g dissolved in 2 g of a measurement solvent (deuterated chloroform) was measured.
PULSE SEQUENCE
・ Relax.delay: 30 seconds ・ Pulse: 45degrees ・ Number of integration: 8 times Confirmation peak Around 0 ppm: Polydimethylsiloxane methyl group,
Around 3.4 ppm: methylene portion of ethyleneimine.
The ratio of silicone to poly (N-propionylethyleneimine) was calculated from each integrated value.

  Examples of the component (A) organopolysiloxane include poly (N-formylethyleneimine) organosiloxane, poly (N-acetylethyleneimine) organosiloxane, and poly (N-propionylethyleneimine) organosiloxane.

  Component (A) can be used alone or in combination of two or more, has excellent shape retention, spreads to the skin during application, has good stickiness, and suppresses stickiness with a fresh feeling of use, so the content is The total composition is 0.1% by mass or more, preferably 1% by mass or more, more preferably 2% by mass or more, 17% by mass or less, preferably 16% by mass or less, and more preferably 15% by mass or less. . Moreover, content of a component (A) is 0.1-17 mass% in all the compositions, 1-16 mass% is preferable, and 2-15 mass% is more preferable.

The component (B) hydrophobically modified polyether urethane used in the present invention is represented by the general formula (5).
The hydrophobically modified polyether urethane represented by the general formula (5) is, for example, one or more polyether polyols represented by R ¹¹ — [(O—R ¹² ) _k —OH] _m , R ¹³ - (NCO) _{h + 1} and one or more polyisocyanates represented by, HO- (R ¹⁴ -O) 1, two or more polyether monoalcohols represented by _n -R ¹⁵ It can obtain by making it react.

In this case, R ¹¹ to R ¹⁵ in the general formula (5) is used ^{R 11 - [(O-R} 12) k -OH] m, R 13 - (NCO) h + 1, HO- (R 14 - O) is determined by _n -R ^15. The charge ratio of the three members is not limited, but the ratio of the hydroxyl group derived from polyether polyol and polyether monoalcohol to the isocyanate group derived from polyisocyanate is NCO / OH = 0.8: 1 to 1.4: 1. Preferably there is.

The polyether polyol represented by R ¹¹ — [(O—R ¹² ) _k —OH] _m is not limited as long as it is a polyether of m-valent alcohol. Such a compound can be obtained by addition polymerization of alkylene oxide such as ethylene oxide, propylene oxide, butylene oxide, epichlorohydrin, styrene oxide or the like to m-valent polyol.

  Here, as the polyol, those having 2 to 8 valences (m = 2 to 8) are preferable, for example, dihydric alcohols such as ethylene glycol, propylene glycol, butylene glycol, hexamethylene glycol and neopentyl glycol; glycerin and trioxy Isobutane, 1,2,3-butanetriol, 1,2,3-pentatriol, 2-methyl-1,2,3-propanetriol, 2-methyl-2,3,4-butanetriol, 2-ethyl- 1,2,3-butanetriol, 2,3,4-pentanetriol, 2,3,4-hexanetriol, 4-propyl-3,4,5-heptanetriol, 2,4-dimethyl-2,3, 4-pentanetriol, pentamethylglycerin, pentaglycerin, 1,2,4-butanetriol, 1,2,4-pentanetriol, trimer Trivalent alcohols such as roll ethane and trimethylolpropane; pentaerythritol, 1,2,3,4-pentanetetrol, 2,3,4,5-hexanetetrol, 1,2,4,5-pentanetetrol Tetrahydric alcohols such as 1,3,4,5-hexanetetrol; pentahydric alcohols such as adnit, arabit and xylit; hexahydric alcohols such as dipentaerythritol, sorbit, mannitol and exit; 8 such as sucrose And monohydric alcohols.

R ¹² is preferably a hydrocarbon group having 2 to 15 carbon atoms, and R ¹² is determined by the alkylene oxide, styrene oxide or the like to be added. Alkylene oxide or styrene oxide having 2 to 4 carbon atoms is preferable in order to easily obtain and exhibit an excellent effect.

Alkylene oxide, styrene oxide and the like to be added may be either homopolymerization, two or more kinds of random polymerization, or block polymerization, and the addition method may be a normal method. The degree of polymerization k is 0 to 1000, preferably 1 to 500, and more preferably 10 to 200. The ratio of ethylene to total R ¹² of preferably 50 to 100 wt% of the total R ^12, and more preferably 65 to 100 wt%.

R ¹¹ is preferably a hydrocarbon group having 2 to 15 carbon atoms, and k is preferably 10 to 200.
In addition, the polyether polyol represented by R ¹¹ — [(O—R ¹² ) _k —OH] _m preferably has a molecular weight of 500 to 100,000, more preferably 1,000 to 50,000.

R ¹³ - (NCO) a polyisocyanate represented by _{h + 1} is not limited as long as it has two or more isocyanate groups in the molecule, for example, aliphatic diisocyanates, aromatic diisocyanates, alicyclic diisocyanates , Biphenyl diisocyanate, phenylmethane diisocyanate, triisocyanate, tetraisocyanate and the like.

  Examples of the aliphatic isocyanate include methylene diisocyanate, dimethylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, dipropyl ether diisocyanate, 2,2-dimethylpentane diisocyanate, 3-methoxyhexane diisocyanate, Octamethylene diisocyanate, 2,2,4-trimethylpentane diisocyanate, nonamethylene diisocyanate, decamethylene diisocyanate, 3-butoxyhexane diisocyanate, 1,4-butylene glycol dipropyl ether diisocyanate, thiodihexyl diisocyanate, metaxylylene diisocyanate, paraxylylene Range Isocyanate Include tetramethylxylylene diisocyanate and the like.

  Examples of the aromatic diisocyanate include metaphenylene diisocyanate, paraphenylene diisocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, dimethylbenzene diisocyanate, ethylbenzene diisocyanate, isopropylbenzene diisocyanate, tolidine diisocyanate, 1,4- Examples include naphthalene diisocyanate, 1,5-naphthalene diisocyanate, 2,6-naphthalene diisocyanate, and 2,7-naphthalene diisocyanate.

Examples of the alicyclic diisocyanate include hydrogenated xylylene diisocyanate and isophorone diisocyanate.
Examples of biphenyl diisocyanate include biphenyl diisocyanate, 3,3′-dimethylbiphenyl diisocyanate, 3,3′-dimethoxybiphenyl diisocyanate, and the like.

  Examples of the diisocyanate of phenylmethane include diphenylmethane-4,4′-diisocyanate, 2,2′-dimethyldiphenylmethane-4,4′-diisocyanate, diphenyldimethylmethane-4,4′-diisocyanate, 2,5,2 ′. , 5′-tetramethyldiphenylmethane-4,4′-diisocyanate, cyclohexylbis (4-isothiontphenyl) methane, 3,3′-dimethoxydiphenylmethane-4,4′-diisocyanate, 4,4′-dimethoxydiphenylmethane 3,3′-diisocyanate, 4,4′-diethoxydiphenylmethane-3,3′-diisocyanate, 2,2′-dimethyl-5,5′-dimethoxydiphenylmethane-4,4′-diisocyanate, 3,3′- Dichlorodiphenyldimethyl Tan-4,4'-diisocyanate, benzophenone-3,3'-diisocyanate, and the like.

  Examples of the triisocyanate include 1-methylbenzene-2,4,6-triisocyanate, 1,3,5-trimethylbenzene-2,4,6-triisocyanate, 1,3,7-naphthalene triisocyanate, and biphenyl. -2,4,4'-triisocyanate, diphenylmethane-2,4,4'-triisocyanate, 3-methyldiphenylmethane-4,6,4'-triisocyanate, triphenylmethane-4,4 ', 4 "- Triisocyanate, 1,6,11-undecane triisocyanate, 1,8-diisocyanate-4-isocyanate methyloctane, 1,3,6-hexamethylene triisocyanate, bicycloheptane triisocyanate, tris (isocyanatephenyl) thiophosphate, etc. Can be mentioned.

Moreover, you may use with the dimer and trimer (isocyanurate coupling | bonding) of these polyisocyanate compounds, and you may make it react with an amine and use it as a biuret.
Further, polyisocyanates having urethane bonds obtained by reacting these polyisocyanate compounds with polyols can also be used. As a polyol, the thing of 2-8 valence is preferable, and the above-mentioned polyol is preferable. In addition, when using polyisocyanate more than trivalence as R _< ¹³ _> -(NCO) _{h + 1} , the polyisocyanate which has this urethane bond is preferable. h is preferably 1 or 2.

The polyether monoalcohol represented by HO— (R ¹⁴ —O) _n —R ¹⁵ is not limited as long as it is a linear, branched or secondary monohydric alcohol polyether. Such a compound can be obtained by addition polymerization of alkylene oxide such as ethylene oxide, propylene oxide, butylene oxide, epichlorohydrin, styrene oxide or the like to a linear, branched or secondary monohydric alcohol.

  The linear alcohol is represented by the following general formula (6), the branched chain alcohol is represented by the general formula (7), and the secondary monohydric alcohol is represented by the general formula (8). Is.

(Wherein R ¹⁶ , R ¹⁷ , R ¹⁸ , R ²⁰ and R ²¹ represent a hydrocarbon group or a fluorocarbon group, and R ¹⁹ represents a divalent hydrocarbon group or a fluorocarbon group)

Accordingly, R ¹⁵ is a group obtained by removing a hydroxyl group in the above general formulas (6) to (8).
In the general formulas (6) to (8), R ¹⁶ , R ¹⁷ , R ¹⁸ , R ²⁰ and R ²¹ are a hydrocarbon group or a fluorocarbon group, and examples thereof include an alkyl group, an alkenyl group, an alkylaryl group, a cyclo An alkyl group, a cycloalkenyl group, etc. are mentioned.

  Examples of the alkyl group include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tertiary butyl, pentyl, isopentyl, neopentyl, tertiary pentyl, hexyl, heptyl, octyl, 2-ethylhexyl, nonyl, decyl, undecyl, dodecyl. , Tridecyl, isotridecyl, myristyl, palmityl, stearyl, isostearyl, icosyl, docosyl, tetracosyl, triacontyl, 2-octyldodecyl, 2-dodecylhexadecyl, 2-tetradecyloctadecyl, monomethyl branched-isostearyl and the like.

  Examples of the alkenyl group include vinyl, allyl, propenyl, isopropenyl, butenyl, pentenyl, isopentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tetradecenyl, oleyl and the like.

  Examples of alkylaryl groups include phenyl, toluyl, xylyl, cumenyl, mesityl, benzyl, phenethyl, styryl, cinnamyl, benzhydryl, trityl, ethylphenyl, propylphenyl, butylphenyl, pentylphenyl, hexylphenyl, heptylphenyl, octylphenyl, nonyl Examples include phenyl, α-naphthyl, β-naphthyl group and the like.

  Examples of the cycloalkyl group and the cycloalkenyl group include a cyclopentyl, cyclohexyl, cycloheptyl, methylcyclopentyl, methylcyclohexyl, methylcycloheptyl, cyclopentenyl, cyclohexenyl, cycloheptenyl, methylcyclopentenyl, methylcyclohexenyl, and methylcycloheptenyl groups. Etc.

In the general formula (7), R ¹⁹ is a divalent hydrocarbon group or a fluorocarbon group, and examples thereof include an alkylene group, an alkenylene group, an alkylarylene group, a cycloalkylene group, and a cycloalkenylene group.

R ¹⁵ is preferably a linear, branched or secondary hydrocarbon group having 8 to 36 carbon atoms, more preferably a hydrocarbon group having 12 to 24 carbon atoms, and still more preferably an alkyl group.

R ¹⁴ is preferably a hydrocarbon group having 2 to 15 carbon atoms, and the alkylene oxide and styrene oxide to be added may be either homopolymerization, random polymerization of two or more types, or block polymerization, and the addition method is usually It may be the method of. The degree of polymerization n is 0 to 1000, preferably 1 to 200, and more preferably 10 to 200. The ratio of ethylene to total R ¹⁴ of preferably 50 to 100 wt% of the total R ^14, and more preferably 65 to 100 wt%.

  The method for producing the compound represented by the general formula (5) can be the same as the reaction of an ordinary polyether and isocyanate. For example, the reaction is carried out by heating at 80 to 90 ° C. for 1 to 3 hours. Can be obtained.

Further, a polyether polyol (a) represented by R ¹¹ — [(O—R ¹² ) _k —OH] _m , a polyisocyanate (b) represented by R ¹³ — (NCO) _{h + 1} , and HO When the polyether monoalcohol (c) represented by — (R ¹⁴ —O) _n —R ¹⁵ is reacted, other than the compound having the structure of the general formula (5) may be by-produced. For example, when diisocyanate is used, as the main product, a compound of the cb-a-b-c type represented by the general formula (5) is obtained. A compound such as -b- (ab) _x -abc type may be by-produced. In this case, the compound of the general formula (5) type can be used in the form of a mixture containing the compound of the general formula (5) type without separation.

As the component (B), in general formula (5), R ¹¹ , R ¹² and R ¹⁴ represent a hydrocarbon group having 2 to 15 carbon atoms, and R ¹³ may have a urethane bond. R ¹⁵ represents a linear, branched or secondary hydrocarbon group having 8 to 36 carbon atoms, m represents a number of 2 to 8, h represents 1 or 2, and k and n are independent. Hydrophobically modified polyether urethane having a number of 10 to 200 is preferred.
Furthermore, a (PEG-240 / decyltetradeces-20 / hexamethyl diisocyanate) copolymer is preferable, and commercially available products such as Adecanol GT-700 (manufactured by ADEKA) can be used.

  Component (B) can be used singly or in combination of two or more. From the point of producing an elastic gel, the content is 0.05% by mass or more in the total composition, and 0.1% by mass or more. 0.5 mass% or more is more preferable, 5 mass% or less is preferable, 4 mass% or less is preferable, and 2 mass% or less is more preferable. Moreover, content of a component (B) is 0.05-5 mass% in the whole composition, 0.1-4 mass% is preferable, and 0.5-2 mass% is more preferable.

  In the present invention, the mass ratios (A) / (B) of the components (A) and (B) are excellent in shape retention, and during application, the skin spreads and sticks well, and it is sticky with a fresh feeling of use. And uneven playing is suppressed. In addition, the sticking of the sponge when the foundation is overlaid is suppressed, the spread of the overlaid foundation is excellent, and even after 6 hours of overcoating with the foundation, the unevenness is suppressed, and the makeup and powder floating are not noticeable. Therefore, it is 0.1 or more, preferably 1 or more, more preferably 2 or more, 50 or less, preferably 30 or less, and more preferably 20 or less. Moreover, mass ratio (A) / (B) of component (A) and (B) is 0.1-50, 1-30 are preferable and 2-20 are more preferable.

  The water content of the component (C) used in the present invention is preferably 1% by mass or more, more preferably 30% by mass or more, and further preferably 50% by mass or more in the total composition from the viewpoint of creating a well-balanced gel structure. Preferably, 90 mass% or less is preferable, 80 mass% or less is more preferable, and 75 mass% or less is still more preferable. Moreover, 1-90 mass% is preferable in the whole composition, as for content of a component (C), 30-80 mass% is more preferable, and 50-75 mass% is still more preferable.

  In the present invention, the mass ratios (C) / (B) of the components (B) and (C) are excellent in shape retention, and during application, the skin spreads and sticks well, and it is sticky with a fresh feeling of use. And uneven playing is suppressed. In addition, the sticking of the sponge when the foundation is overlaid is suppressed, the spread of the overlaid foundation is excellent, and even after 6 hours of overcoating with the foundation, the unevenness is suppressed, and the makeup and powder floating are not noticeable. Therefore, 1 or more is preferable, 10 or more is more preferable, 25 or more is further preferable, 1500 or less is preferable, 500 or less is more preferable, and 150 or less is still more preferable. Moreover, 1-1500 are preferable, as for the mass ratio (C) / (B) of a component (B) and (C), 10-500 are more preferable, and 25-150 are still more preferable.

  The aqueous cosmetic of the present invention can further contain a powder. Such powders are not limited as long as they are extender pigments and coloring pigments used in ordinary cosmetics. For example, silicic acid, silicic anhydride, magnesium silicate, talc, sericite, mica, kaolin, clay, bentonite , Titanium coated mica, bismuth oxychloride, zirconium oxide, magnesium oxide, titanium oxide, zinc oxide, aluminum oxide, calcium sulfate, barium sulfate, magnesium sulfate, calcium carbonate, magnesium carbonate, bengara, yellow iron oxide, black iron oxide, ultramarine , Inorganic powders such as chromium oxide, chromium hydroxide, calamine and carbon black, and composites thereof; polyamide, polyester, polypropylene, polystyrene, polyurethane, vinyl resin, urea resin, phenol resin, fluorine resin, silicon resin, acrylic resin , Melamine resin, Organic powders such as xylene resins, polycarbonate resins, divinylbenzene / styrene copolymers, silk powder, cellulose, long-chain alkyl phosphate metal salts, N-mono long-chain alkyl acyl basic amino acids, and complexes thereof; The composite powder of the said inorganic powder and organic powder etc. are mentioned.

  The powder can be used as it is, but if necessary, water repellent and / or by using silicone, metal soap, lecithin, N-acylamino acid, fluorine compound, alkylalkoxysilane, tridecafluorooctyltriethoxysilane, etc. Or what performed the oil-repellent process can also be used. In view of preventing disintegration and improving dispersibility of fine zinc oxide in cosmetics, those treated with silicone or alkylalkoxysilane are preferred, and treated with methylhydrogenpolysiloxane; octyltriethoxysilane, It is more preferable to perform alkylalkoxysilane treatment using octyltrimethoxysilane. These processes can be performed by a normal method.

The powder preferably has an average particle size of 0.01 to 50 μm, and more preferably 0.1 to 20 μm from the viewpoint of suppressing the powderiness at the time of application and improving the finish.
The particle size of the powder is measured by an electron microscope observation and a particle size distribution measuring device by a laser diffraction / scattering method. Specifically, in the case of the laser diffraction / scattering method, measurement is performed with a laser diffraction / scattering particle size distribution analyzer (for example, LA-920, manufactured by Horiba, Ltd.) using ethanol as a dispersion medium.

  The powder can be used singly or in combination of two or more, with excellent water resistance, sebum resistance, and long-lasting makeup, and in terms of finish and stability, the content is 0.01% by mass or more in the total composition 1% by mass or more is more preferable, 3% by mass or more is more preferable, 5% by mass or more is more preferable, 30% by mass or less is preferable, 25% by mass or less is more preferable, and 20% by mass or less is further more preferable. Preferably, 15 mass% or less is still more preferable. The content of the powder is preferably 0.01 to 30% by mass, more preferably 1 to 25% by mass, further preferably 3 to 20% by mass, and still more preferably 5 to 15% by mass in the total composition. .

The aqueous cosmetic of the present invention can further contain ethanol.
The content of ethanol is preferably 1% by mass or more, more preferably 2% by mass or more, further preferably 5% by mass or more, more preferably 30% by mass or less, and preferably 25% by mass in the total composition in terms of excellent usability. The following is more preferable, and 20% by mass or less is still more preferable. The ethanol content is preferably 1 to 30% by mass, more preferably 2 to 25% by mass, and still more preferably 5 to 20% by mass in the total composition.

  In addition to the above components, the aqueous cosmetic of the present invention is a component that is used in ordinary cosmetics within a range that does not impair the effects of the present invention, such as oily components, surfactants, polyhydric alcohols, preservatives, and antioxidants. Contains thickeners other than agents, pigments, component (B), pH adjusters, fragrances, UV absorbers, moisturizers, blood circulation promoters, cooling agents, antiperspirants, bactericides, skin activators, etc. Can do.

The aqueous cosmetic of the present invention can be produced by an ordinary method, and can be made into a liquid, paste, gel or other dosage form. It is suitable as makeup cosmetics such as UV cosmetics, cosmetic foundations, and foundations.
The aqueous cosmetic composition of the present invention can be used in the case of using a single product alone or in the layering of powder cosmetic products such as liquid foundation, powder foundation, and white powder.
This invention discloses the following compositions further regarding embodiment mentioned above.

<1> The following components (A), (B) and (C):
(A) At least two silicon atoms of the organopolysiloxane segment constituting the main chain, via an alkylene group containing a hetero atom, the following general formula (1);

(Wherein R ¹ represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and t represents 2 or 3)
An organopolysiloxane formed by bonding poly (N-acylalkylenimine) segments composed of repeating units represented by:
The number average molecular weight of the poly (N-acylalkylenimine) segment is 500 to 4000,
The weight average molecular weight of the organopolysiloxane segment between adjacent poly (N-acylalkylenimine) segments is 1000-40000,
0.1 to 17% by mass of an organopolysiloxane having a weight average molecular weight of 15,000 to 200,000 of the organopolysiloxane segment constituting the main chain,
(B) The following general formula (5):

(In the formula, R ¹¹ , R ¹² and R ¹⁴ are the same or different and each represents a hydrocarbon group, R ¹³ represents a hydrocarbon group which may have a urethane bond, and R ¹⁵ represents a linear or branched chain. Or a secondary hydrocarbon group, m represents a number of 2 or more, h represents a number of 1 or more, and k and n independently represent a number of 0 to 1000)
0.05 to 5% by mass of a hydrophobically modified polyether urethane represented by
(C) An aqueous cosmetic containing water and having a mass ratio (A) / (B) of components (A) and (B) of 0.1 to 50.

<2> The mass ratio (a / b) between the organopolysiloxane segment (a) constituting the main chain of the component (A) and the poly (N-acylalkyleneimine) segment (b) is preferably 45 / The aqueous cosmetic according to <1>, which is 55 to 79/21, and more preferably 60/40 to 79/21.
<3> The weight average molecular weight of the organopolysiloxane of the component (A) is preferably 25000 to 200000, more preferably 30000 to 16000, and further preferably 35000 to 150,000. Aqueous cosmetics.
<4> The organopolysiloxane of component (A) is preferably poly (N-formylethyleneimine) organosiloxane, poly (N-acetylethyleneimine) organosiloxane, or poly (N-propionylethyleneimine) organosiloxane. The aqueous cosmetic according to any one of <1> to <3>, wherein poly (N-propionylethyleneimine) organosiloxane is more preferable.
<5> Content of component (A), Preferably it is 1-16 mass% in the whole composition, Comprising: 2-15 mass% is more preferable, Any one of said <1>-<4> Aqueous cosmetics.

<6> Component (B) is preferably, in General Formula (5), R ¹¹ , R ¹² and R ¹⁴ represent a hydrocarbon group having 2 to 15 carbon atoms, and R ¹³ has a urethane bond. R ¹⁵ represents a linear, branched or secondary hydrocarbon group having 8 to 36 carbon atoms, m represents a number of 2 to 8, h represents 1 or 2, The aqueous cosmetic according to any one of <1> to <5>, wherein k and n are hydrophobically modified polyether urethanes each independently representing a number of 10 to 200.
<7> The aqueous cosmetic according to any one of <1> to <6>, wherein the component (B) is preferably a (PEG-240 / decyltetradeceth-20 / hexamethyl diisocyanate) copolymer.
<8> Any of the above <1> to <7>, wherein the content of the component (B) is preferably 0.1 to 4% by mass in the total composition, and more preferably 0.5 to 2% by mass. Or the water-based cosmetic according to claim 1.
<9> Any of the above <1> to <8>, wherein the mass ratio (A) / (B) of the components (A) and (B) is preferably 1 to 30 and more preferably 2 to 20 1. The aqueous cosmetic composition according to 1.

<10> The water content of component (C) is preferably 1 to 90% by mass in the total composition, more preferably 30 to 80% by mass, and even more preferably 50 to 75% by mass <1. The aqueous cosmetic according to any one of> to <9>.
<11> The mass ratio (C) / (B) of the components (B) and (C) is preferably 1 to 1500, more preferably 10 to 500, and even more preferably 25 to 150 <1>. The aqueous cosmetic according to any one of to <10>.
<12> The aqueous cosmetic according to any one of <1> to <11>, further containing powder.
The content of <13> powder is preferably 0.01 to 30% by mass in the total composition, more preferably 1 to 25% by mass, further preferably 3 to 20% by mass, and 5 to 15% by mass. % Is more preferable, The aqueous cosmetic according to <12>.

Synthesis Example 1 (Production of poly (N-propionylethyleneimine) -modified silicone)
23.3 g (0.54 mol) of 2-ethyl-2-oxazoline and 127.46 g of ethyl acetate were mixed, and the mixture was dehydrated with 9.0 g of molecular sieve (Zeoram A-4, manufactured by Tosoh Corporation) for 15 hours. went.
Further, 153.7 g of side chain primary aminopropyl-modified polydimethylsiloxane (KF-8003, manufactured by Shin-Etsu Silicone Co., Ltd., weight average molecular weight 40000, amine equivalent 2000) and 31.06 g of ethyl acetate were mixed, and the mixture was molecular sieve 23. .29 g and dehydrated at 28 ° C. for 15 hours.
9.48 g (0.061 mol) of diethyl sulfate was added to the above-mentioned ethyl acetate solution of dehydrated 2-ethyl-2-oxazoline, heated under reflux at 80 ° C. for 8 hours under a nitrogen atmosphere, and terminal reactive poly (N-propionyl). Ethyleneimine) was synthesized. The number average molecular weight measured by GPC was 1300.
To this terminal-reactive poly (N-propionylethyleneimine) solution, the dehydrated side chain primary aminopropyl-modified polydimethylsiloxane solution was added all at once and heated to reflux at 80 ° C. for 10 hours.
The reaction mixture was concentrated under reduced pressure to obtain an N-propionylethyleneimine-dimethylsiloxane copolymer as a pale yellow rubbery solid (200 g). The mass ratio (a / b) between the organopolysiloxane segment (a) constituting the main chain and the poly (N-propionylethyleneimine) segment (b) in the final product is 71/29, and the weight average molecular weight is 56000. Met.

Synthesis Example 2 (Production of poly (N-propionylethyleneimine) -modified silicone)
7.57 g (0.049 mol) of diethyl sulfate and 263.3 g (2.66 mol) of 2-ethyl-2-oxazoline were dissolved in 550 g of dehydrated ethyl acetate and heated under reflux for 8 hours under a nitrogen atmosphere. Reactive poly (N-propionylethyleneimine) was synthesized. A 50% ethyl acetate solution of 250 g (0.065 mol in terms of amino group) of side chain primary aminopropyl-modified polydimethylsiloxane (weight average molecular weight 60000, amine equivalent 3870) was added all at once and heated to reflux for 12 hours. . The number average molecular weight measured by GPC was 5400. The reaction mixture was concentrated under reduced pressure to obtain an N-propionylethyleneimine / dimethylsiloxane copolymer as a pale yellow rubber-like solid (505 g, yield 97%). The mass ratio (a / b) of the organopolysiloxane segment (a) constituting the main chain in the final product to the poly (N-propionylethyleneimine) segment (b) is 51/49, and the weight average molecular weight is 88400. there were.

Examples 1-9, Comparative Examples 1-3
Manufactures water-based cosmetics (makeup base) with the composition shown in Table 1, shape retention, good spreading during application, good adhesion to skin, fresh feeling of use, non-stickiness and unevenness, powder foundation application The sponge was not caught and spread well, and the non-uniformity after 6 hours of application of the powder foundation, the absence of makeup, and the absence of powder floating were evaluated. The results are also shown in Table 1.

(Production method)
After roughly mixing the powder components, the powder components were mixed and pulverized using an Admizer pulverizer (Fuji Paudal). The aqueous phase component was mixed, and the pulverized powder component was added and dispersed with a disper. Thereafter, the viscosity was adjusted with a homomixer to obtain an aqueous cosmetic (makeup base).

(Evaluation method)
Five expert panelists evaluated the “shape retention” when each water-based cosmetic (makeup base) was placed on the back of the hand, and applied each water-based cosmetic (makeup base) to the skin by hand. The following criteria were used to evaluate “goodness of spread”, “goodness on skin”, “feeling fresh”, “no stickiness”, and “no playfulness”. A result is shown by the integrated value of 5 persons.

(1) Shape retention:
5; Cosmetics do not collapse when the back of the hand is tilted.
4; Cosmetics do not collapse much when the back of the hand is tilted.
3; Cosmetics collapse slightly when the back of the hand is tilted.
2; Cosmetics collapse when the back of the hand is tilted.
1; Cosmetics flow from the beginning just by placing it on the back of the hand.

(2) Good quality:
5: The spread during application is quite good.
4; Good spreading during application.
3; Slightly good spreading during application.
2; Slightly bad during application.
1: The spread during application is poor.

(3) Good skin contact:
5; Very good adhesion to skin during application.
4; Good adhesion to skin during application.
3: Slightly sticking to the skin during application.
2; poor adhesion to the skin during application.
1; The adhesion to the skin during application is very bad.

(4) Fresh feeling:
5; I feel a lot of freshness during application.
4; Feeling fresh during application.
3; I feel a little freshness during application.
2; hardly feels fresh during application.
1; Does not feel fresh during application.

(5) No stickiness:
5: No stickiness during application.
4; almost no stickiness during application.
3; Some feel stickiness during application.
2; feels sticky during application.
1: The stickiness during application is considerably felt.

(6) Unevenness of playing:
5; Cosmetics are not flipped on the skin during application.
4; Cosmetics bounce on the skin during application and slight unevenness is seen 3; Cosmetics bounce on the skin during application and slight unevenness is seen 2; Cosmetics on the skin during application Unevenness is noticeable.
1: The cosmetics bounce on the skin during application, and the unevenness is considerably noticeable.

(Evaluation method)
Five specialist panelists apply each water-based cosmetic (makeup base) to the skin by hand, and then apply a powder foundation (Sophina Fine Fit Powder Foundation UV, manufactured by Kao Corporation) with a special sponge. Evaluate “no sponge sticking feeling when applying powder foundation”, “good spreadability when applying powder foundation”, and “no unevenness after 6 hours of applying powder foundation”, “6 hours of applying powder foundation” The following criteria were used to evaluate “no makeup shake after progress” and “no powder floating after 6 hours of powder foundation application”. A result is shown by the integrated value of 5 persons.

(7) Sponge is not caught when powder foundation is applied:
5: Feels not caught in the initial stage of application.
4; Almost no initial catching feeling.
3; A slight feeling of catching at the initial stage of application is felt.
2; Feeling a catch at the initial stage of application.
1; A feeling of catching at the initial stage of application is considerably felt.

(8) Good spread when applying powder foundation:
5: The spread during application is quite good.
4; Good spreading during application.
3; The spread during application is slightly good.
2: The spread during application is slightly bad.
1: The spread during application is poor.

(9) Non-uniformity after 6 hours of powder foundation application:
5; There is no unevenness in the skin.
4; There is not much unevenness in the skin.
3; Somewhat uneven skin.
2; The skin is uneven.
1; Skin unevenness is remarkable.

(10) Poor makeup after 6 hours of powder foundation application:
5; No makeup is seen.
4; Slightly visible makeup 3; Slightly noticeable makeup
2; Shaking makeup is conspicuous.
1; Shaking makeup is very conspicuous.

(11) No powder floating after 6 hours of powder foundation application:
5; Powder floating is not seen 4; Powder floating is slightly seen 3; Powder floating is slightly conspicuous.
2; Powder floating is conspicuous.
1; Powder float is quite conspicuous.

Example 10
In the same manner as in Examples 1 to 9, aqueous cosmetics having the compositions shown below were produced.
The resulting water-based cosmetic has excellent shape retention, spreads during application, adheres to the skin, feels fresh to use, has no stickiness, and has no unevenness, and has a sponge feel when applied to a powder foundation. There was no spread, and even after 6 hours of application of the powder foundation, there was no unevenness, no makeup, and no powder floating.

(component)
Poly (N-propionylethyleneimine) -modified silicone (Synthesis Example 1) 10 (mass%)
(PEG-240 / decyltetradeceth-20 / hexamethyl diisocyanate) copolymer (manufactured by ADEKA, Adecanol GT-700) 1
Water 60.5
Ethanol 15
Glycerin 5
Untreated spherical silica (manufactured by AGC S-Itech,
Sunsphere H-122K-C1, particle size 11.0 ± 1.5 μm) 5
Titanium oxide 2.5
Bengala 0.2
Yellow iron oxide 0.7
Black iron oxide 0.1
Total 100

Claims (6)

The following components (A), (B) and (C):
(A) At least two silicon atoms of the organopolysiloxane segment constituting the main chain, via an alkylene group containing a hetero atom, the following general formula (1);

(Wherein R ¹ represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and t represents 2 or 3)
An organopolysiloxane formed by bonding poly (N-acylalkylenimine) segments composed of repeating units represented by:
The number average molecular weight of the poly (N-acylalkylenimine) segment is 500 to 4000,
The weight average molecular weight of the organopolysiloxane segment between adjacent poly (N-acylalkylenimine) segments is 1000-40000,
0.1 to 17% by mass of an organopolysiloxane having a weight average molecular weight of 15,000 to 200,000 of the organopolysiloxane segment constituting the main chain,
(B) The following general formula (5):

(In the formula, R ¹¹ , R ¹² and R ¹⁴ are the same or different and each represents a hydrocarbon group, R ¹³ represents a hydrocarbon group which may have a urethane bond, and R ¹⁵ represents a linear or branched chain. Or a secondary hydrocarbon group, m represents a number of 2 or more, h represents a number of 1 or more, and k and n independently represent a number of 0 to 1000)
0.05 to 5% by mass of a hydrophobically modified polyether urethane represented by
(C) An aqueous cosmetic containing water and having a mass ratio (A) / (B) of components (A) and (B) of 0.1 to 50.   The mass ratio a / b of the organopolysiloxane segment (a) constituting the main chain of the component (A) to the poly (N-acylalkyleneimine) segment (b) is 45/55 to 79/21. Item 2. An aqueous cosmetic preparation according to Item 1. Component (B) is a hydrocarbon group in which R ¹¹ , R ¹² and R ¹⁴ in the general formula (5) represent a hydrocarbon group having 2 to 15 carbon atoms, and R ¹³ may have a urethane bond. R ¹⁵ represents a linear, branched or secondary hydrocarbon group having 8 to 36 carbon atoms, m represents a number of 2 to 8, h represents 1 or 2, and k and n independently The aqueous cosmetic according to claim 1 or 2, which is a hydrophobically modified polyether urethane having a number of 10 to 200.   Content of a component (C) is 1-90 mass%, The aqueous cosmetics of any one of Claims 1-3.   The mass ratio a / b of the organopolysiloxane segment (a) constituting the main chain of the component (A) and the poly (N-acylalkyleneimine) segment (b) is from 60/40 to 79/21. Item 5. The aqueous cosmetic according to any one of Items 1 to 4.   The aqueous cosmetic according to any one of claims 1 to 5, wherein the mass ratio (C) / (B) of the components (B) and (C) is from 1 to 1500.