Hair cosmetic

1. A hair cosmetic comprising the following components (A) to (D):

(A) a (meth)acrylic silicone-based graft copolymer that is obtained by reacting the following radically polymerizable monomers (a), (b), (c), and (d) and is dissolved at a level of 50 mass % or more in 99.5% ethanol at 25° C.:

(a) a compound represented by the following formula (I):

(wherein Me represents a methyl group, R1 represents a hydrogen atom or a methyl group, R2 represents a linear or branched divalent saturated hydrocarbon group containing 1 to 10 carbon atoms, which optionally comprises one or two ether bonds, R3 represents a saturated hydrocarbon group containing 1 to 10 carbon atoms, and m represents any of integer of 5 to 100);

(b) at least one selected from

a compound represented by the following formula (II):

(wherein R4 represents a hydrogen atom or a methyl group, R5, R6 and R7, which are the same or different, each represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, X represents —O—, —NH—, —O—CH 2 — or —O—CH 2 CH(OH)—, Y represents a linear or branched divalent saturated hydrocarbon group containing 1 to 4 carbon atoms, and Z − represents a counter anion), and

a compound represented by the following formula (III):

(wherein R8 and R9, which are the same or different, each represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, R10 and R11, which are the same or different, each represents a hydrogen atom or an alkyl group containing 1 to 18 carbon atoms, and Z − represents a counter anion);

(c) a compound represented by the following formula (IV):

(wherein R12 represents a hydrogen atom or a methyl group, and R13 represents a hydrogen atom or a linear or branched alkyl group containing 1 to 3 carbon atoms); and

(d) a compound represented by the following formula (V):

(wherein R14 represents a hydrogen atom or a methyl group, and R15 represents a hydroxyalkyl group containing 1 to 4 carbon atoms);

(B) at least one film-forming polymer selected from nonionic, amphoteric, and cationic polymers;

(C) a monohydric lower alcohol; and

(D) at least one selected from polyalkylene glycols and sugar alcohols.

2. The hair cosmetic according to claim 1 , wherein the component (B) is at least one selected from a polyvinyl pyrrolidone, a vinyl pyrrolidone/vinyl acetate copolymer, and a hydroxypropyl acrylate/butylaminoethyl methacrylate/octylamide acrylate copolymer.

3. The hair cosmetic according to claim 1 , wherein the component (A) and the component (B) have a content ratio (A):(B) within a mass ratio range of 1:10 to 2:1.

4. The hair cosmetic according to claim 1 , having a viscosity at 25° C. of 1000 mPa·s or less.

5. The hair cosmetic according to claim 3 , having a viscosity at 25° C. of 1000 mPa·s or less.

6. The hair cosmetic according to claim 1 , being contained in a container available for spraying the hair cosmetic as mist.

7. A cosmetic method comprising applying a composition comprising the following components (A) to (D) to hair:

(A) a (meth)acrylic silicone-based graft copolymer that is obtained by reacting the following radically polymerizable monomers (a), (b), (c), and (d) and is dissolved at a level of 50 mass % or more in 99.5% ethanol at 25° C.:

(a) a compound represented by the following formula (I):

(wherein Me represents a methyl group, R1 represents a hydrogen atom or a methyl group, R2 represents a linear or branched divalent saturated hydrocarbon group containing 1 to 10 carbon atoms, which optionally comprises one or two ether bonds, R3 represents a saturated hydrocarbon group containing 1 to 10 carbon atoms, and m represents any of integer of 5 to 100);

(b) at least one selected from

a compound represented by the following formula (II):

(wherein R4 represents a hydrogen atom or a methyl group, R5, R6 and R7, which are the same or different, each represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms X represents —O—, —NH—, —O—CH 2 — or —O—CH 2 CH(OH)—, Y represents a linear or branched divalent saturated hydrocarbon group containing 1 to 4 carbon atoms, and Z − represents a counter anion), and

a compound represented by the following formula (III):

(wherein R8 and R9, which are the same or different, each represents a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, R10 and R11, which are the same or different, each represents a hydrogen atom or an alkyl group containing 1 to 18 carbon atoms, and Z − represents a counter anion);

(c) a compound represented by the following formula (IV):

(wherein R12 represents a hydrogen atom or a methyl group, and R13 represents a hydrogen atom or a linear or branched alkyl group containing 1 to 3 carbon atoms); and

(d) a compound represented by the following formula (V):

(wherein R14 represents a hydrogen atom or a methyl group, and R15 represents a hydroxyalkyl group containing 1 to 4 carbon atoms);

(B) at least one film-forming polymer selected from nonionic, amphoteric, and cationic polymers;

(C) a monohydric lower alcohol; and

(D) at least one selected from polyalkylene glycols and sugar alcohols.

8. The cosmetic method according to claim 7 , wherein the component (B) is at least one selected from a polyvinyl pyrrolidone, a vinyl pyrrolidone/vinyl acetate copolymer, and a hydroxypropyl acrylate/butylaminoethyl methacrylate/octylamide acrylate copolymer.

9. The cosmetic method according to claim 7 , wherein the component (A) and the component (B) have a content ratio (A):(B) within a mass ratio range of 1:10 to 2:1.

10. The cosmetic method according to claim 7 , wherein the composition has a viscosity at 25° C. of 1000 mPa·s or less.

11. The cosmetic method according to claim 9 , wherein the composition has a viscosity at 25° C. of 1000 mPa·s or less.

12. The cosmetic method according to claim 7 , wherein the composition is contained in a container available for spraying the hair cosmetic as mist.