CN115734807A

CN115734807A - Cosmetic material for eye makeup

Info

Publication number: CN115734807A
Application number: CN202180045814.5A
Authority: CN
Inventors: 龙田友圭里
Original assignee: Yishiban Co ltd
Current assignee: Yishiban Co ltd
Priority date: 2020-07-16
Filing date: 2021-07-06
Publication date: 2023-03-03
Also published as: WO2022014399A1; JP6832033B1; TW202216114A; KR20230040985A; JP2022018606A

Abstract

The present invention provides an eye cosmetic material comprising a fiber having a coating film on the surface thereof, the coating film comprising an acrylic polymer.

Description

Cosmetic material for eye makeup

Technical Field

The present invention relates to an eye makeup cosmetic material.

Background

Conventionally, makeup cosmetics for eyelashes and eyebrows have an effect of making the appearance of the makeup cosmetics more beautiful by combing the flow and shape of the hairs, and particularly, functions required for makeup cosmetics for eyelashes include increasing the length, amount of hairs, and/or curling power of the eyelashes in order to make the eyes look larger. In some cases, various fibers are blended to further develop a feeling of fiber length.

However, the attachment of the fibers to eyelashes and eyebrows depends on a large part of incidental factors, and the fibers may not be long enough depending on the number of applications and the fiber properties of the user. Further, if the fibers are unevenly attached along the flow of the wool during application, the appearance of the hair is impaired by, for example, a split shape. Therefore, although attempts have been made to improve the fiber dispersibility by surface treatment of the fibers or by blending raw materials, the improvement is effective for improving uneven adhesion, but the improvement is not sufficient as a means for making the fibers adhere more strongly to the eyebrows, and the effect of fiber length cannot be said to be improved.

Documents of the prior art

Patent document

Patent document 1: japanese patent laid-open publication No. 7-179323

Patent document 2: japanese laid-open patent publication No. 2002-255745

Disclosure of Invention

As described above, there is still room for improvement in known eye makeup cosmetic materials, and an object of the present invention is to provide an eye makeup cosmetic material containing fibers having improved adhesion to eyelashes and the like.

The present inventors have made extensive studies to solve the above problems, and as a result, have found that fibers whose surfaces are treated with an acrylic polymer have improved adhesion to eyelashes and the like, and have completed the present invention.

That is, the present invention relates to the following invention, but is not limited thereto.

[ invention 1]

An eye cosmetic material comprises a fiber having a coating film on the surface thereof, the coating film comprising an acrylic polymer.

[ invention 2]

The makeup cosmetic preparation for the eye according to claim 1, wherein the film contains a hydrophobic silicone compound. [ invention 3]

The eye makeup cosmetic according to claim 1 or 2, wherein the film contains a hydrophobic (meth) acrylate (co) polymer and a hydrophilic (meth) acrylate (co) polymer as the acrylic polymer.

[ invention 4]

The makeup cosmetic according to any one of claims 1 to 3, wherein the fiber has a thickness of 1 to 13 deniers and a length of 0.2 to 6mm.

The makeup cosmetic composition of the present invention has excellent adhesion to eyelashes or eyebrows.

Detailed Description

While the invention is susceptible to various alternative forms, specific embodiments thereof have been shown by way of example in the drawings and are herein described in detail. However, the detailed description of the specific embodiments in the present specification is not intended to limit the present invention to the specific embodiments, and the present invention includes all alternative forms included in the spirit and scope of the present invention defined in the claims.

In the present specification, the terms "above" and "below" used together with a numerical value may be interpreted not only as a numerical range including the numerical value but also as a numerical range not including the numerical value, and if it is interpreted as another expression, the terms may be interpreted as "exceeding" and "being less than", respectively.

Cosmetic material for eye makeup

"make-up cosmetic for the eyes" means a cosmetic for the periphery of the eyes, and preferably means a cosmetic for the eyelashes and a cosmetic for the eyebrows. "cosmetic material for eyelashes (eyelash)" also called "mascara", is used to make the eyelashes look thick, long, and/or curled. "eyebrow dressing material" also called "eyebrow brush" is used to comb the flow and shape of eyebrows, sometimes overlapping colors to change the eyebrows.

The cosmetic material for eye use of the present invention (hereinafter referred to as "cosmetic material of the present invention") contains a fiber having a coating film on the surface thereof, the coating film containing an acrylic polymer. The form of the cosmetic material of the present invention is not particularly limited. Examples thereof include a liquid, an emulsion, a gel, a cream, and a solid.

Fiber

Examples of the fibers having a coating film containing an acrylic polymer formed on the surface thereof include synthetic fibers such as nylon, polypropylene, polyester, and polylactic acid; natural fibers such as cellulose, cotton, silk, wool, and the like; regenerated fibers such as rayon, but are not particularly limited if acceptable in cosmetics. The thickness of the fibers is not particularly limited, but is preferably 1 to 13 deniers (hereinafter referred to as "D"), and more preferably 4 to 8D. The length of the fiber is not particularly limited, but is preferably 0.2 to 6mm, more preferably 1 to 3mm. The material, thickness and length of these fibers may be used alone in 1 kind, or in combination of 2 or more kinds.

Skin membrane

The coating formed on the surface of the fiber may be formed on a part of the fiber or may be formed on the entire fiber. The coating film is formed by treating the surface of the fiber with a composition containing an acrylic polymer.

Acrylic acid series polymer

The acrylic polymer contained in the coating film formed on the fiber is used for surface treatment of the fiber, and the coating film is formed on the surface of the fiber. The "acrylic polymer" refers to a (co) polymer having a structure represented by the following formula (1). In the formula (1), R ₁ Represents a hydrogen atom or a methyl group. In the formula (1), R ₂ The term "carboxyl group", "alkoxycarbonyl group", "aminocarbonyl group", "nitrile group" and the like are used herein, but the term is not limited thereto. The acrylic polymer may be an alkali metal salt such as a sodium salt or a potassium salt. The alkoxy group in the alkoxycarbonyl group is not particularly limited as long as it is an alkoxy group having 1 to 20 carbon atoms, and is preferably an alkoxy group having 1 to 10 carbon atoms, and more preferably an alkoxy group having 1 to 6 carbon atoms. Examples of the alkoxy group having 1 to 6 carbon atoms include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, a pentyloxy group, and a hexyloxy group. In the present specification, "(co) polymer" means both a homopolymer and a copolymer. "(meth) acrylic acid" refers to both acrylic acid and methacrylic acid. "(meth) acryl", "(meth) acryl" and "(meth) acrylate" likewise refer to acryl and methacryl, and acrylate and methacrylate, respectively.

Examples of the acrylic polymer include a hydrophobic acrylic polymer and a hydrophilic acrylic polymer. More specifically, examples thereof include a hydrophobic (meth) acrylic acid (co) polymer or a salt thereof, a hydrophilic (meth) acrylic acid (co) polymer or a salt thereof, a hydrophobic (meth) acrylate (co) polymer, a hydrophilic (meth) acrylate (co) polymer, a hydrophobic (meth) acrylic acid amide (co) polymer, a hydrophilic (meth) acrylic acid amide (co) polymer, a hydrophobic (meth) acrylonitrile (co) polymer, and a hydrophilic (meth) acrylonitrile (co) polymer. The molecular weight of the acrylic polymer is not particularly limited. The glass transition temperature (Tg) of the acrylic polymer is not particularly limited, but is preferably 25 ℃ or lower, more preferably 0 ℃ or lower, and still more preferably-40 ℃ or lower. These polymers may be used alone in 1 kind, or may be used in combination of 2 or more kinds. When 2 or more kinds of acrylic polymers are used in combination for surface treatment of fibers, it is preferable to use a hydrophobic acrylic polymer and a hydrophilic acrylic polymer in combination.

More specifically, there may be mentioned a combination of a hydrophobic (meth) acrylic acid (co) polymer or a salt thereof, and a hydrophilic (meth) acrylic acid (co) polymer or a salt thereof; a combination of a hydrophobic (meth) acrylic acid (co) polymer or a salt thereof, and a hydrophilic (meth) acrylate (co) polymer; a combination of a hydrophobic (meth) acrylic acid (co) polymer or a salt thereof, and a hydrophilic (meth) acrylic acid amide (co) polymer; a combination of a hydrophobic (meth) acrylic acid (co) polymer or a salt thereof, and a hydrophilic (meth) acrylonitrile (co) polymer; a combination of a hydrophobic (meth) acrylate (co) polymer, and a hydrophilic (meth) acrylic acid (co) polymer or a salt thereof; a hydrophobic (meth) acrylate (co) polymer, in combination with a hydrophilic (meth) acrylate (co) polymer; a combination of a hydrophobic (meth) acrylate (co) polymer, and a hydrophilic (meth) acrylamide (co) polymer; a combination of a hydrophobic (meth) acrylate (co) polymer with a hydrophilic (meth) acrylonitrile (co) polymer; a combination of a hydrophobic (meth) acrylic acid amide (co) polymer, and a hydrophilic (meth) acrylic acid (co) polymer or a salt thereof; a combination of a hydrophobic (meth) acrylic acid amide (co) polymer, and a hydrophilic (meth) acrylic acid ester (co) polymer; a combination of a hydrophobic (meth) acrylic acid amide (co) polymer with a hydrophilic (meth) acrylic acid amide (co) polymer; a combination of a hydrophobic (meth) acrylic acid amide (co) polymer with a hydrophilic (meth) acrylonitrile (co) polymer; a combination of a hydrophobic (meth) acrylonitrile (co) polymer, and a hydrophilic (meth) acrylic (co) polymer or a salt thereof; a combination of a hydrophobic (meth) acrylonitrile (co) polymer, and a hydrophilic (meth) acrylate (co) polymer; a combination of a hydrophobic (meth) acrylonitrile (co) polymer, and a hydrophilic (meth) acrylic acid amide (co) polymer; hydrophobic (meth) acrylonitrile (co) polymers, combinations with hydrophilic (meth) acrylonitrile (co) polymers, and the like.

When a hydrophobic acrylic polymer and a hydrophilic acrylic polymer are used in combination, the ratio [ w/o ] of the mass (o) of the hydrophobic acrylic polymer to the mass (w) of the hydrophilic acrylic polymer is preferably 0.05 or more, more preferably 0.10 or more, and particularly preferably 0.25 or more. The ratio [ w/o ] is preferably 4.00 or less, more preferably 2.00 or less, and particularly preferably 1.00 or less.

The various copolymers may have 2 or more structures represented by formula (1), or may have at least 1 structure represented by formula (1) and at least 1 residue of another polymerizable unsaturated bond-containing monomer. These copolymers can be produced by polymerizing 2 or more kinds of monomers having a structure represented by formula (1) (hereinafter referred to as "acrylic monomers"), or by polymerizing at least 1 kind of acrylic monomer and at least 1 kind of other polymerizable unsaturated bond-containing monomer. The ratio of each monomer used for producing the copolymer is not particularly limited. In addition, various monopolymers can be produced by polymerizing an acrylic monomer.

The acrylic monomer used for producing the acrylic polymer is not particularly limited, and examples thereof include (meth) acrylic acid or a salt thereof, (meth) acrylic acid esters, (meth) acrylic acid amides, and (meth) acrylonitrile. Examples of the (meth) acrylic acid ester include alkyl (meth) acrylates having 1 to 20 carbon atoms; alkyl (meth) acrylates having 1 to 20 carbon atoms and having a hydrophilic group such as a hydroxyl group, a carboxyl group, an amino group, a phosphoric acid group, or a sulfo group. More specific examples thereof include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, sec-butyl (meth) acrylate, tert-butyl (meth) acrylate, pentyl (meth) acrylate, sec-pentyl (meth) acrylate, 1-ethylpropyl (meth) acrylate, 2-methylbutyl (meth) acrylate, isoamyl (meth) acrylate, tert-pentyl (meth) acrylate, 3-methylbutyl (meth) acrylate, neopentyl (meth) acrylate, hexyl (meth) acrylate, 2-methylpentyl (meth) acrylate, 4-methylpentyl (meth) acrylate, 2-ethylbutyl (meth) acrylate, cyclopentyl (meth) acrylate, cyclohexyl (meth) acrylate, heptyl (meth) acrylate, 2-heptyl (meth) acrylate, 3-heptyl (meth) acrylate, octyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, isooctyl (meth) acrylate, nonyl (meth) acrylate, and the like, 3,3,5-trimethylhexyl (meth) acrylate, decyl (meth) acrylate, undecyl (meth) acrylate, lauryl (meth) acrylate, cetyl (meth) acrylate, stearyl (meth) acrylate, eicosyl (meth) acrylate, behenyl (meth) acrylate, ditetradecyl (meth) acrylate, methylcyclohexyl (meth) acrylate, isobornyl (meth) acrylate, norbornyl (meth) acrylate, benzyl (meth) acrylate, phenylethyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2,3-dihydroxypropyl (meth) acrylate, ((meth) acryloyloxy) acetic acid, 1- [2- ((meth) acryloyloxy) ethyl ] succinate, dimethylaminoethyl (meth) acrylate, (meth) acryloyloxyethyltrimethyl ammonium chloride, [2- ((meth) acryloyloxy) ethyl ] phosphate, sodium 2- ((meth) acryloyloxy) ethylsulfonate and the like.

Examples of the monomer having a polymerizable unsaturated bond include hydrocarbon compounds having a polymerizable unsaturated bond at the terminal, such as ethylene, propylene, and 1,3-butadiene; α, β -unsaturated polycarboxylic acids such as maleic acid and fumaric acid; alpha, beta-unsaturated carboxylic acid anhydrides such as maleic anhydride; maleimide group-containing compounds such as N-methylmaleimide; aromatic vinyl compounds such as styrene and vinyl benzoate.

When the acrylic polymer is a copolymer, it may be a block copolymer or a random copolymer. Both block copolymeric and random copolymeric moieties may also be present in the copolymer.

In the present specification, the glass transition temperature [ Tg (K: kelvin) ] of an acrylic polymer is a value calculated by the Fox formula (1/Tg = Σ (Wi/Tgi)) (where i is an integer of 1 or more, wi (i =1, 2, … i) represents a mass fraction of each monomer, and Tgi (i =1, 2, … i) represents a glass transition temperature (kelvin) of an i homopolymer of each monomer).

In the production of an acrylic polymer, polymerization of various monomers can be carried out by a method such as radical polymerization, cationic polymerization, or anionic polymerization. In addition, the acrylic polymer may be modified with a modifier after polymerization. The polymerization reaction temperature is not particularly limited, and is usually in the range of 70 ℃ to 200 ℃. The reaction time is not particularly limited, and is usually within a range of 10 minutes or more and 24 hours or less.

Solvent(s)

The solvent is not particularly limited as long as it is cosmetically acceptable, and examples thereof include volatile oils such as water and isododecane; non-volatile oils and any combination thereof.

The composition may contain other components such as a solvent, a hydrophobic silicone compound, and an additive in addition to the acrylic polymer.

Hydrophobic silicone compound

To improve or adjust the adhesion, uniformity and/or dispersion of the fibers to the eyelashes or eyebrows. The composition may also contain 1 or 2 or more hydrophobic silicone compounds. Examples of the hydrophobic silicone compound include organopolysiloxanes such as methylhydrogenpolysiloxane, cyclic methylhydrogenpolysiloxane, dimethylpolysiloxane, cyclic dimethylpolysiloxane, and methylphenylpolysiloxane; modified silicones or organosiloxane copolymers such as amino-modified silicones, epoxy-modified silicones, carboxyl-modified silicones, carbinol-modified silicones, methacrylic-modified silicones, mercapto-modified silicones, phenol-modified silicones, polyether-modified silicones, methyl styrene-modified silicones, alkyl-modified silicones, higher fatty acid ester-modified silicones, higher alcohol-modified silicones, and alkyl acrylate/methylsiloxane copolymers; silicone resins such as trimethylsiloxy silicic acid; crosslinked methylpolysiloxane, and the like. These may be optionally selected from 1 or 2 or more, but the present invention is not limited thereto and may be derivatives thereof.

The hydrophobic silicone compound has 2 or more-SiRs in 1 molecule ¹ R ² R ³ (in the formula, R ¹ 、R ² And R ³ Independently represents a functional group (a) represented by an alkyl group having 1 to 4 carbon atoms, an alkoxy group, or a hydroxyl group), and the molecular weight (weight average molecular weight/number of functional groups) of 1 functional group (a) is preferably in the range of 100 to 5000. The weight average molecular weight can be measured by gel permeation chromatography (GFC) and is a value in terms of polyethylene glycol.

Additive agent

Examples of the additive include a surfactant, a thickener such as dimethylstearylammonium hectorite, a gelling agent such as dextrin palmitate, an antiblocking agent, an emulsifier, a dispersing agent, a stabilizer, a humectant, a viscosity modifier such as propylene carbonate, a solidifying agent such as beeswax or ozokerite, a binder, an extender such as talc, an opacifying agent, a lubricant, a pigment, an ultraviolet scattering agent, an ultraviolet absorber, a pH adjuster, an antioxidant, an antibacterial agent, a preservative, a skin care agent, a lubricant, an astringent, an emollient, a lustering agent, a gloss agent, an antifoaming agent, a water-repellent coating agent such as trimethylsiloxy silicic acid, and a protective agent, and are not particularly limited as far as they are acceptable in cosmetics. These additives having 2 or more applications and effects can be contained.

The content of the acrylic polymer as the coating component on the fiber surface is preferably 50 mass% or more, more preferably 60 mass% or more, further preferably 70 mass% or more, and particularly preferably 80 mass% or more, based on the total amount of the components contained in the coating. The content of the acrylic polymer is 100% by mass or less, preferably 97% by mass or less, more preferably 95% by mass or less, still more preferably 92% by mass or less, and particularly preferably 90% by mass or less. When the film contains a hydrophobic acrylic polymer and a hydrophilic acrylic polymer as the acrylic polymer, the content of the hydrophilic acrylic polymer is preferably 5% by mass or more, more preferably 10% by mass or more, and still more preferably 15% by mass or more, based on the total amount of the acrylic polymers. The content of the hydrophilic acrylic polymer is preferably 85% by mass or less, more preferably 75% by mass or less, and still more preferably 65% by mass or less. When the hydrophobic silicone compound is contained in the film, the content of the hydrophobic silicone compound is preferably 3% by mass or more, more preferably 5% by mass or more, further preferably 8% by mass or more, and particularly preferably 10% by mass or more, relative to the total amount of the components contained in the film. The content of the hydrophobic silicone compound is preferably 50% by mass or less, more preferably 40% by mass or less, still more preferably 30% by mass or less, and particularly preferably 20% by mass or less.

In the cosmetic material of the present invention, the amount of the fibers having a coating film containing an acrylic polymer on the surface thereof varies depending on the type of the fibers, and is preferably 0.01 to 10% by mass, more preferably 0.1 to 5% by mass. The amount (mass) of the acrylic polymer in the coating film formed on the surface of the fiber is preferably 0.0035% or more with respect to the amount (mass) of the fiber on which the coating film containing the acrylic polymer is formed from the viewpoint of adhesion, and the amount of the fiber on which the coating film containing the acrylic polymer is formed is preferably 20% or less with respect to the amount of the fiber on which the coating film containing the acrylic polymer is formed from the viewpoint of dispersibility. That is, the amount of the acrylic polymer in the coating film formed on the fiber surface is preferably 0.0035 to 20%, more preferably 0.005 to 5%, and further preferably 0.007 to 0.2% with respect to the amount of the fiber having the coating film containing the acrylic polymer formed on the surface.

In the cosmetic material of the present invention, when the film contains a hydrophobic silicone compound, the amount (mass) thereof is preferably 0.0005% or more with respect to the amount (mass) of the fibers on which the film containing an acrylic polymer is formed, from the viewpoint of obtaining a smooth feeling in use, and is preferably 5% or less with respect to the amount of the fibers on which the film containing an acrylic polymer is formed, from the viewpoint of adhesion and/or adhesion uniformity. That is, it is preferably 0.0005 to 5%, more preferably 0.0005 to 1%, and further preferably 0.0009 to 0.1%. The mass ratio of the amount of the hydrophobic silicone compound in the coating film formed on the fiber surface to the amount of the acrylic polymer in the coating film formed on the fiber surface (amount of the hydrophobic silicone compound/amount of the acrylic polymer) may be determined, and is preferably 0.04 to 2, more preferably 0.05 to 1, further preferably 0.06 to 0.5, and further preferably 0.1 to 0.3.

Manufacturing method

The cosmetic material of the present invention can be prepared according to the conventional formulation examples, according to the general technical knowledge of those skilled in the art. The method, order, and the like of mixing the components are arbitrary according to the technical common knowledge of those skilled in the art. For example, a fiber having a predetermined coating film can be obtained by mixing a solvent and an acrylic polymer, further mixing a hydrophobic silicone compound, an additive, and the like as necessary to prepare a composition, bringing the composition into contact with the fiber, and then drying the solvent and the like. Next, the cosmetic material of the present invention can be produced by blending the obtained fiber having the predetermined film with other cosmetic material components such as a solvent and an additive. The composition containing the hydrophobic silicone compound may be brought into contact with the fiber before or after the composition containing the acrylic polymer is brought into contact with the fiber, without including the hydrophobic silicone compound in the composition containing the acrylic polymer.

The method of contacting the composition with the fibers is not particularly limited, and examples thereof include a method of applying or spraying the composition, a method of mixing the composition (including a dipping method), and the like.

Before the composition is brought into contact with the fibers, the fibers may be subjected to a pretreatment for the purpose of removing oil and dirt on the surfaces of the fibers. By performing the pretreatment, the fiber surface can be cleaned, and thus the fiber surface can be easily uniformly wetted with the composition.

The method of pretreatment is not particularly limited, and examples thereof include hot water washing, solvent washing, degreasing washing, and the like.

The contact temperature and contact time of the composition with the fiber are not particularly limited as long as the composition can uniformly contact the fiber surface, and the optimum conditions can be appropriately selected depending on the type and shape of the fiber, the solvent in the composition to be used, the type of the component, and the like.

The contact temperature may be, for example, 10 to 40 ℃.

The contact time may be, for example, 0.1 second to 10 minutes.

After the contact and before the drying, the fiber may be optionally subjected to an intermediate treatment. The intermediate treatment is not particularly limited, and examples thereof include washing. The method of the washing is not particularly limited, and examples thereof include a method of washing with hot water, a method of washing with a solvent, and the like.

The drying temperature, drying method and drying time of the solvent or the like are not particularly limited as long as the solvent or the like can be volatilized to form a coating film containing an acrylic polymer, and the optimum conditions can be appropriately selected depending on the type and shape of the fiber, the solvent in the composition to be used, the type of the component, and the like.

Examples of the drying method include natural drying, air drying, heat drying, drying under reduced pressure, freeze drying, and any combination thereof.

Examples of the heating method include hot air, an induction heater, infrared rays, and near infrared rays.

The drying temperature may be, for example, 25 to 250 ℃.

The drying time may be, for example, 1 second to 1 hour.

Examples

The present invention will be described in further detail below with reference to specific examples, but the technical scope of the present invention is not limited to these examples at all. The fitting can be appropriately adjusted by those skilled in the art according to the required durability, curling force, and other conditions. The amounts (contents) of the additives in the following examples and comparative examples are all expressed as "% by mass".

Formulation of

The components shown in table 2 were mixed in water to prepare a surface treatment agent. Nylon fibers (hereinafter, fibers) were immersed in each surface treatment agent for 5 to 10 minutes. Then the fiber is taken out and fully dried on the surface of the fiber by utilizing a baking oven. Cosmetic materials were prepared using the surface-treated or untreated fibers and the raw materials shown in table 1. The proportions shown in table 2 represent the mass% of each component relative to the total amount of all components contained in the coating film formed on the fiber surface.

[ Table 1]

Cosmetic product name	Compounding amount (%)
		Trimethylsiloxy silicic acid	15
Hectorite of dimethyl stearyl ammonium	5
		Isododecane	Residual amount
Propylene carbonate	2.5
		Palmitic acid dextrin	3
Honey wax	5
		Earth wax	3
Pigment (I)	10
		Talc	10
Fiber	1

[ Table 2]

^*1 KF-96A-2cs (manufactured by shin-Yue chemical Co., ltd.)

Evaluation of

The cosmetic materials of examples and comparative examples and the fibers used in examples were evaluated by the following methods.

Adhesion Property

Using the eyelash cosmetic materials, sensory evaluation of adhesion (ease of adhesion of fibers to eyelashes) was performed by 5 panelists, and evaluated for an average value from 1 (extremely poor) to 5 (extremely good) according to the following criteria. The results are shown in Table 3.

Very good: 4.0 or more

O: 3.0 or more and less than 4.0

And (delta): 2.0 or more and less than 3.0

X: less than 2.0

[ Table 3]

It is clearly confirmed from table 3 that the eye makeup cosmetic material of the present invention is particularly excellent in fiber adhesion.

Uniformity of adhesion

Using the mascara, sensory evaluation of the attachment uniformity (whether or not the attachment was carried out along the flow of the hair without any bias) was carried out by 5 panelists, and the results were evaluated from 1 (extremely poor) to 5 (extremely good), and the average value thereof was evaluated by the following criteria. The results are shown in Table 4.

O: 3.5 or more

And (delta): 2.0 or more and less than 3.5

X: less than 2.0

Fiber dispersibility

0.1g of fibers were dispersed in 20ml of water and isododecane, and the degree of dispersion was judged from 1 (poor) to 5 (excellent) by 5 panelists, and the average value thereof was evaluated by the following criteria. The results are shown in Table 4.

Excellent: 4.5 or more

Good: 3.0 or more and less than 4.5

And (delta): 2.0 or more and less than 3.0

X: less than 2.0

[ Table 4]

Long-acting fruit

False eyelashes (Girl's Secret 01, product of Elizabeth Corp.) were prepared, and the false eyelashes were photographed using a digital microscope (VHX-7000, K.YENCE). Next, the eyelash makeup material of example 6 was applied to the false eyelashes 30 times. After 5 minutes of drying, it was applied again 30 times and allowed to dry completely. The false eyelashes after application were photographed in the same manner as before application. 6 random spots were selected from the false eyelashes, and the length of the hair before and after application was measured using a digital microscope. Then, the eyelash cosmetic was removed, the same measurement was performed 2 times (total 3 times), and the average value of the lengths of the eyelashes before and after application was obtained to obtain the elongation value. Similarly, the average value of the difference in length between the hairs before and after application was also determined for the mascara of comparative example 1. The measurement results are shown in table 5.

[ Table 5]

Claims

1. An eye cosmetic material comprising a fiber having a coating film on the surface thereof, wherein the coating film comprises an acrylic polymer, the fiber has a thickness of 1 to 13 deniers and a length of 0.2 to 6mm.

2. The makeup cosmetic according to claim 1, wherein said film contains a hydrophobic silicone compound.

3. The makeup cosmetic according to claim 1 or 2, wherein said film contains a hydrophobic (meth) acrylate (co) polymer and a hydrophilic (meth) acrylate (co) polymer as said acrylic polymer.