JP2021050156A - Bed-bathing method of body and sheet cosmetic product - Google Patents

Abstract

To provide a bed-bathing method of a body using a sheet cosmetic by which cold sensation is obtained immediately after application on skin.SOLUTION: A bed-bathing method of a body by using a sheet cosmetic that is housed in a packaging container, in which the sheet cosmetic includes a sheet base material and cosmetic composition, the cosmetic composition containing water and ethanol. The method includes: a taking-out process of taking the sheet cosmetic out of the packaging container; a vaporization process of vaporizing the cosmetic composition; and a wiping process of wiping a body by using the sheet cosmetic.SELECTED DRAWING: None

Description

The present invention relates to a body cleaning method and a sheet cosmetic product.

Conventionally, as a body paper (sheet cosmetic for cleaning the body), a sheet cosmetic that gives a feeling of coldness by cleaning the body is known. The sheet cosmetic is a sheet-shaped cosmetic formed by impregnating a sheet base material such as a woven fabric or a non-woven fabric with a cosmetic composition.

For example, Patent Document 1 and Patent Document 2 disclose a sheet cosmetic that activates temperature receptors of sensory nerve cells and imparts a cooling sensation when applied to the skin by containing a refreshing agent such as menthol.

Japanese Unexamined Patent Publication No. 2017-203000 JP-A-2017-178841

However, the cooling sensation imparting effect obtained by a refreshing agent such as menthol is exhibited by the cooling agent in the cosmetics penetrating the skin and binding to temperature receptors after applying the cosmetics to the skin. is there. Therefore, the sheet cosmetics containing a refreshing agent as disclosed in Patent Documents 1 and 2 do not exert a cooling sensation effect immediately after being applied to the skin, until the user actually feels cold. Takes time. In addition, it is known that many of the cooling agents that impart a cooling sensation by binding to temperature receptors cause unpleasant irritation to the skin.

On the other hand, it is also considered to apply a cooling component such as a volatile substance or a melting substance that gives a cold feeling by heat of vaporization or heat of fusion to the skin. However, since it takes time for a sufficient amount of cooling component to exert its effect to volatilize or melt on the skin, the cooling sensation imparting effect cannot be obtained immediately after application to the skin. In addition, these cooling components also have a problem of exhibiting an unpleasant irritation to the skin or a sticky feeling of use.

In response to these problems, an object of the present invention is to provide a method for cleaning the body using a sheet cosmetic, which lowers the skin temperature immediately after application to the skin to give a feeling of coldness.

Another object of the present invention is to provide a sheet cosmetic product for use in the above-mentioned cleaning method, which lowers the skin temperature immediately after application to the skin to give a feeling of coldness.

As a result of diligent studies by the present inventors, a sheet cosmetic obtained by impregnating a sheet base material with a cosmetic composition having a specific composition at a specific impregnation rate is aerated after being taken out from the packaging container to make up. It was found that the composition was aerated and the temperature of the sheet cosmetic was significantly reduced. Furthermore, it has been found that by wiping the body with a sheet cosmetic having a reduced temperature, the skin temperature is lowered immediately after application to the skin, and an excellent cooling sensation can be obtained. Usually, the sheet cosmetic is applied to the skin immediately after being taken out from the packaging container. Therefore, the method of using the sheet cosmetic as in the present invention imparts a cooling sensation immediately after the application to the skin. It can be said that the new findings that can be done are surprising.

That is, the present invention includes the following inventions.

(1) A method of wiping the body using a sheet cosmetic stored in a sealed packaging container, wherein the sheet cosmetic is a sheet base material and a cosmetic composition impregnated in the sheet base material. The mass ratio of the cosmetic composition to 100 parts by mass of the sheet base material is 275 parts by mass or more, and the cosmetic composition contains water and ethanol, and the water and the ethanol The mass content ratio (water: ethanol) of is 60:40 to 10:90, and after the taking-out step of taking out the sheet cosmetic from the packaging container and the taking-out step, (i) the sheet cosmetic is taken out for 10 seconds. Cleaning including leaving for about 200 seconds or (ii) a vaporization step of shaking the sheet cosmetic 5 times or more, and a wiping step of wiping the body with the sheet cosmetic after the vaporization step. Method.

(2) A sheet cosmetic product for use in a method of cleaning the body, which includes a sealed packaging container and a sheet cosmetic stored in the packaging container, and the sheet cosmetic is a sheet. The cosmetic composition containing the base material and the cosmetic composition impregnated in the sheet base material, and the mass ratio of the cosmetic composition to 100 parts by mass of the sheet base material is 275 parts by mass or more. Contains water and ethanol, and the mass content ratio (water: ethanol) of the water to the ethanol is 60:40 to 10:90. After the take-out step and the take-out step, (i) the sheet cosmetic is left for 10 to 200 seconds, or (ii) the sheet cosmetic is shaken 5 times or more, and the vaporization A sheet cosmetic product comprising, after the step, a wiping step of wiping the body with the sheet cosmetic.

According to the present invention, it is possible to provide a method for wiping the body using a sheet cosmetic, which lowers the skin temperature immediately after application to the skin to give a feeling of coldness.

Further, according to a further aspect of the present invention, it is possible to provide a sheet cosmetic product for use in the above-mentioned cleaning method, which lowers the skin temperature immediately after application to the skin to give a feeling of coldness.

It is a graph which shows the peak value of the heat flux of the sheet cosmetic of Experimental Example 2. It is a graph which shows the peak value of the heat flux of the sheet cosmetic of Experimental Example 5. It is a graph which shows the peak value of the heat flux of the sheet cosmetic of Experimental Example 7.

Hereinafter, examples of embodiments of the present invention will be described in detail, but the present invention is not limited thereto.

Unless otherwise specified in the present specification, "A to B" representing a numerical range means "A or more and B or less". Unless otherwise specified in the present specification, the mass% representing the content of the component is a value in which the mass of the entire cosmetic composition is 100% by mass.

In the present specification, the sheet cosmetics constituting the sheet cosmetic product according to the present invention may be referred to as "the sheet cosmetics of the present invention". Further, the sheet base material constituting the sheet cosmetic of the present invention may be referred to as "the sheet base material of the present invention". In addition, the cosmetic composition constituting the sheet cosmetic of the present invention may be referred to as "the cosmetic composition of the present invention".

[1. Sheet cosmetics]
The sheet cosmetic of the present invention includes at least a sheet base material and a cosmetic composition impregnated in the sheet base material. The sheet cosmetic of the present invention may contain components other than the sheet base material and the cosmetic composition.

(Sheet base material)
The sheet base material in the sheet cosmetics of the present invention is a sheet-like support that can be impregnated with the cosmetic composition of the present invention.

The sheet base material is not particularly limited, and examples thereof include paper, woven fabric, and non-woven fabric. The sheet base material may be a laminated body (that is, a laminated sheet), and may be, for example, a laminated body of a woven fabric, a laminated body of a non-woven fabric, a laminated body of a woven fabric and a non-woven fabric, or the like. The sheet base material preferably contains a non-woven fabric, and more preferably a non-woven fabric, from the viewpoint of usability, ease of processing, and the like. Examples of the non-woven fabric include spunbond non-woven fabric, spunlace non-woven fabric, thermal bond non-woven fabric, needle punch non-woven fabric, stitch bond non-woven fabric and the like.

The fibers constituting the woven fabric and the non-woven fabric are not particularly limited, and examples thereof include natural fibers, synthetic fibers, and semi-natural fibers. Examples of the natural fiber include cotton, pulp, silk, cellulose, hemp, linter, kapok and the like. Examples of the synthetic fiber include nylon fiber, polyester fiber (for example, polyethylene terephthalate fiber, polybutylene terephthalate fiber, etc.), acrylic fiber, polyolefin fiber (for example, polypropylene fiber, polyethylene fiber, etc.) and the like. Examples of the semi-natural fiber include rayon and acetate. Only one type of the fiber may be used, or two or more types may be used. Further, a blended fiber composed of two or more kinds of the above fibers may be used.

The sheet base material may be embossed. The embossing process is not particularly limited, but for example, a method of pushing up the back surface to float (therefore the back surface is dented) or a method of forming a convex portion by adhering a special ink to the front surface (the back surface is not dented). And so on.

The basis weight of the sheet base material is not particularly limited, but is preferably ²⁰ to 100 g / m 2 because it is excellent in usability, can be impregnated with a sufficient amount of cosmetic composition, and is excellent in the effect of imparting a cooling sensation. More preferably, it is 30 to 80 g / m ² .

The sheet base material can be produced by a known or conventional manufacturing method depending on the type of woven fabric, non-woven fabric, or the like. Further, as the sheet base material, a commercially available product can also be used. The commercial product is not particularly limited, but for example, the product name "RH", the product name "AS" (all manufactured by Daiwa Bow Polytech Co., Ltd.), the product name "TCF" (manufactured by Futamura Chemical Co., Ltd.), and the product name "Cott". Ace (registered trademark) "(manufactured by Unitika Co., Ltd.), product name" Claflex (registered trademark) "(manufactured by Kuraray Co., Ltd.), product name" Benlyse (registered trademark) "(manufactured by Asahi Kasei Co., Ltd.), product name" Sunmore "(Manufactured by Sansho Paper Co., Ltd.) and the like.

(Cosmetic composition)
The cosmetic composition in the sheet cosmetic of the present invention contains at least water and ethanol. The cosmetic composition may contain components other than the water and ethanol.

By blending ethanol at a specific concentration in the cosmetic composition of the present invention, the vaporization of the cosmetic composition is promoted, the temperature of the sheet cosmetic is lowered, and the sheet cosmetic is cooled in the vaporization step in the cleaning method described later. In addition to exerting a feeling-imparting effect, it is possible to suppress a sticky feeling when wiping is used. The ethanol is not particularly limited as long as it is usually used for cosmetics.

The content of ethanol shall be water: ethanol = 60: 40 to 10:90 as the mass content ratio of water and ethanol from the viewpoint of promoting vaporization in the vaporization step and exerting a sufficient cooling sensation imparting effect. Is more preferable, 55:45 to 20:80 is more preferable, and 50:50 to 30:70 is even more preferable. When the content of ethanol with respect to water is within the above range, the temperature of the sheet cosmetic is remarkably lowered by performing the vaporization step. Further, when the sheet cosmetic having a lowered temperature is applied to the skin, the skin temperature is lowered immediately after that, and the user feels cold.

The total of the water content and the ethanol content in the cosmetic composition is preferably 80 to 100% by mass, more preferably 90 to 99% by mass, based on 100% by mass of the cosmetic composition. It is preferable, more preferably 93 to 98% by mass, and even more preferably.

The water blended in the cosmetic composition of the present invention is not particularly limited, but is preferably purified water.

In addition to the above-mentioned ingredients, ingredients used in cosmetics can be separately blended in the cosmetic composition of the present invention as long as the effects of the present invention are not impaired, depending on the intended use and purpose.

Examples of such components are lower alcohols other than ethanol; surfactants; UV absorbers; powders; antioxidants; preservatives (methylparaben, phenoxyethanol, etc.); fragrances; colorants; chelating agents; refreshing agents; Thickeners; vitamins; neutralizers; amino acids; pH adjusters; whitening agents; anti-inflammatory agents; deodorants; antiperspirants; bactericides; animal and plant extracts; metal sequestering agents (sodium salt of ethylenediaminetetraacetic acid, etc.) ) And other additives. Only one kind of these components may be used, or two or more kinds may be used.

Examples of the above-mentioned bactericidal agent include benzalkonium chloride, benzethonium chloride, chlorhexidine hydrochloride, phenol, trichlorocarbanilide, chlorhexidine gluconate, isopropylmethylphenol, triclosan, triclocarban, piroctone olamine, zincpyrythion, salicylic acid, and sorbic acid. , Chlorhexidine, etc. Of these, benzalkonium chloride or isopropylmethylphenol is preferable. Only one kind of the above-mentioned fungicide may be used, or two or more kinds may be used. The content of the bactericide is preferably 0.05 to 1.0% by mass, more preferably 0.05 to 0.5% by mass, based on 100% by mass of the cosmetic composition.

Examples of the antiperspirant include aluminum chloride, potassium aluminum sulfate, aluminum sulfate, aluminum acetate, chlorohydroxyaluminum, allantoinchlorohydroxyaluminum, zinc paraphenolsulfonate and the like. Of these, zinc paraphenol sulfonate is preferable. As the antiperspirant, only one kind may be used, or two or more kinds may be used. The content of the antiperspirant is preferably 0.1 to 50.0% by mass, more preferably 0.2 to 15.0% by mass, based on 100% by mass of the cosmetic composition.

Examples of the refreshing agent include menthol, menthyl glyceryl ether, menthyl lactate, peppermint oil, peppermint oil, camphor, and icillin. The content of the refreshing agent is preferably 0.01 to 5.0% by mass, more preferably 0.1 to 1.5% by mass, based on 100% by mass of the cosmetic composition.

The pH adjusting agent is not particularly limited, and examples thereof include citric acid and tartaric acid.

The method for producing the cosmetic composition of the present invention can be prepared by a known method. For example, a method of making each component uniform by stirring with a disper or the like can be mentioned.

(Mass ratio of sheet base material to cosmetic composition)
In the sheet cosmetics of the present invention, the mass ratio (impregnation rate) of the sheet base material and the cosmetic composition lowers the skin temperature when the sheet cosmetics are applied to the skin, and exerts a sufficient cooling sensation imparting effect. From the viewpoint of making the sheet base material 100 parts by mass, the cosmetic composition is preferably 275 parts by mass or more, preferably 350 parts by mass or more, and more preferably 375 parts by mass or more. The upper limit is not particularly limited, but for example, it is preferably 550 parts by mass or less, and more preferably 500 parts by mass or less. When the mass ratio of the sheet base material to the cosmetic composition is within the above range, a sufficient amount of the cosmetic composition adheres to the skin by applying the sheet cosmetic to the skin in the wiping step described later. As a result, the skin temperature drops significantly, and a strong cooling sensation is quickly obtained immediately after application to the skin.

(Shape of sheet cosmetics)
The shape of the sheet cosmetic of the present invention is sheet-like. As a result, it is excellent in convenience at the time of use and also excellent in portability. The planar shape of the sheet is not particularly limited, but for example, a quadrangle (for example, a square, a rectangle, etc.), a polygon such as a triangle; a circle, an ellipse, a semicircle; a crescent shape; a barrel shape; a drum shape; a face shape; a character. The shape of the above can be mentioned. The sheet cosmetic of the present invention may be molded with a notch, a hollow, an uneven portion, or the like. The surface area of one side of the sheet of the sheet cosmetic of the present invention is not particularly limited, but 100 cm ^{2 to} 1000 ^{cm 2} is preferable, and 250 cm ^{2 to} 750 ^{cm 2} is more preferable, because it is excellent in usability, portability, and packaging.

(Manufacturing method of sheet cosmetics)
The sheet cosmetic of the present invention can be produced by impregnating a sheet base material with a cosmetic composition. The method of impregnating the sheet base material with the cosmetic composition is not particularly limited. Examples of the method include a method of injecting and impregnating a sheet base material in a folded state and / or a superposed state with a cosmetic composition, a method of spraying the cosmetic composition on the sheet base material, and a printing method. A method of impregnating the sheet base material with the cosmetic composition using the above, a method of immersing the sheet base material in the cosmetic composition, and the like can be mentioned.

[2. Sheet cosmetic products]
The sheet cosmetic product of the present invention is stored in a sealed packaging container to form a sheet cosmetic product. The sheet cosmetics of the present invention may be individually packaged individually, or a plurality of sheet cosmetics of the present invention are stored in the same packaging container from the viewpoint of production cost, production efficiency, and the like. May be good.

The number of sheet cosmetics of the present invention stored in one packaging container is not particularly limited, but is preferably 2 or more, more preferably 5 or more, more preferably 10 or more, still more preferably 20 or more. Is. According to this configuration, it does not take up much space when carried, is excellent in portability, and has the advantage that it can be taken out and used many times. Since it is excellent in portability, the upper limit of the number of sheet cosmetics contained in one packaging container is preferably 50 or less.

In the sheet cosmetic product, it is preferable that the sheet cosmetic is folded in two, tri-folded, quadruple-folded, or the like and stored in a packaging container.

Examples of the packaging container include a bag body (packaging bag), a box-shaped container, and the like. The packaging container is a sealable packaging container that can suppress volatilization of the cosmetic composition. The packaging container has, for example, a take-out port for taking out sheet cosmetics and an openable / closable lid that covers the take-out port. By closing the lid, the inside of the container can be repeatedly sealed. May be good. The material of the packaging container is not particularly limited, and examples thereof include resins such as polyethylene terephthalate (PET), polyethylene (PE), and polypropylene (PP); and metals such as aluminum. Since the packaging container is lightweight and has an excellent anti-volatile effect, it is a packaging container made of a material in which a metal (particularly aluminum) layer and a resin layer are laminated (for example, laminated or vapor-deposited) (particularly, a packaging bag). ) Is preferable.

[3. Cleaning method]
The wiping method according to the present invention is a method of wiping the body using the sheet cosmetics stored in a sealed packaging container, the step of taking out the sheet cosmetics from the packaging container, and the above-mentioned. It includes a vaporization step of vaporizing the cosmetic composition and a wiping step of wiping the body with the sheet cosmetic.

(Take-out process)
The taking-out step is a step of opening the sealed packaging container and taking out the sheet cosmetics contained in the packaging container.

When a plurality of sheet cosmetics are stored in the same packaging container, it is preferable to take out the sheet cosmetics one by one.

(Vaporization process)
In the vaporization step, after the above-mentioned taking-out step, (i) the taken-out sheet cosmetics are left for a predetermined time, or (ii) the taken-out sheet cosmetics are shaken a predetermined number of times to aerate the sheet cosmetics. , A step of vaporizing a cosmetic composition in a sheet cosmetic.

When the cosmetic composition is vaporized by leaving the taken-out sheet cosmetics, the leaving time, that is, the time from taking out the sheet cosmetics from the packaging container to applying them to the skin is 10 seconds or more. It is more preferably 15 seconds or more, 200 seconds or less, and more preferably 60 seconds or less. If the leaving time is 10 seconds or more, the cosmetic composition is vaporized, the temperature of the sheet cosmetic is lowered, a strong cooling sensation is obtained, and skin irritation during wiping is suppressed. Further, if the leaving time is 200 seconds or less, it is possible to prevent the temperature of the sheet cosmetics cooled by the heat of vaporization from rising again due to being warmed by the surrounding atmosphere or the like. In addition, it is possible to prevent the cosmetic composition from being excessively vaporized and reduced.

When the cosmetic composition is vaporized by shaking the taken-out sheet cosmetics a predetermined number of times, the number of times of shaking is 5 times or more, more preferably 7 times or more. The upper limit of the number of shakes is not particularly limited, and the time required for the shake operation may not exceed the upper limit of the leaving time, but is preferably 20 times or less, and more preferably 15 times or less. .. When the number of shakes is 5 or more, the cosmetic composition is vaporized, the temperature of the sheet cosmetic is lowered, a strong cooling sensation is obtained, and skin irritation during wiping is suppressed. Further, when the number of shakings is 20 times or less, it is possible to prevent the temperature of the sheet cosmetics cooled by the heat of vaporization from rising again due to being warmed by the surrounding atmosphere or the like. In addition, it is possible to prevent the cosmetic composition from being excessively vaporized and reduced.

In addition, shaking the sheet cosmetic refers to an operation of holding a part of the sheet cosmetic by hand and shaking it up and down, left and right, or back and forth as if fanning the air on the seat surface, and one round trip is counted as one time.

In the vaporization step, the sheet cosmetics taken out may be in a folded state or an expanded state (unfolded state), but the cosmetics can be left in the expanded state or shaken. Vaporization of the composition is likely to proceed.

(Wipe process)
The wiping step is a step of applying a sheet cosmetic whose temperature has been lowered in the vaporization step to the skin and wiping a desired part of the body.

In the wiping process, by wiping the body with a sheet cosmetic with a reduced temperature, the skin temperature drops instantly, so it is different from the case of using a conventional sheet cosmetic that gives a cool feeling with a refreshing agent such as menthol. Unlike, the user can feel cold immediately after application.

[4. Use]
The sheet cosmetic of the present invention is mainly used for wiping the skin (skin). The part to be wiped with the sheet cosmetic of the present invention is not particularly limited, and for example, arms, elbows, back of hands, fingertips, feet, knees, heels, neck, armpits, back, face (for example, forehead, eyes, eyes, cheeks). , Mouth, etc.), scalp, etc. The sheet cosmetics of the present invention include, for example, a body wipe sheet (including a scalp wipe sheet), a face wipe sheet, a wet tissue, a disposable hand towel, a sheet face wash (face wash sheet), an ass wipe sheet, and a makeup remover. Sheets and the like can be mentioned. Among them, the sheet cosmetic of the present invention is particularly preferably used for wiping the body because it can exert an excellent cooling sensation imparting effect. The sheet cosmetics of the present invention may be, for example, cosmetics, quasi-drugs, pharmaceuticals, or miscellaneous goods.

Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to the following Examples. The content in the following examples is an amount (mass%) converted into a pure content. The total mass of the cosmetic composition prepared in each example is 100% by mass.

[Evaluation 1: Examination of the effect of leaving time or the effect of shaking]
(Making sheet cosmetics)
The cosmetic compositions (mixture of water and ethanol) of Experimental Examples 1 to 8 having the compositions shown in Table 1 were prepared.

Next, after folding the sheet base material (spun-bonded non-woven fabric, 100% pulp, rectangle (200 mm × 250 mm)), the 30 sheet base materials were stacked and placed in a packaging container (sealable packaging bag).

By injecting each cosmetic composition into the above packaging container, each cosmetic composition was impregnated into the sheet base material in the packaging container to prepare a sheet cosmetic. The packaging container was then sealed.

The mass ratio of the cosmetic composition to 100 parts by mass of the sheet base material in the sheet cosmetics of each experimental example is as shown in Table 1.

(Evaluation method of cooling sensation effect)
The test was conducted in an environment of 23 ° C.

One sheet of cosmetic was taken out from the packaging container of each experimental example, and the feeling of coldness when pressed against the test site (neck muscle) was evaluated on a 4-point scale.

Specifically, in each experimental example, the cooling sensation when pressed against the test site 3 seconds after being taken out is set as the standard (STD), and the leaving time is changed from 5 seconds to 120 seconds, and the test site is similarly changed. The feeling of coldness when pressed against was evaluated as follows.

The sheet cosmetic was left unattended by pinching one corner of the sheet cosmetic with fingers and holding it in the air.

(Evaluation criteria for cooling effect)
1: Equivalent to pressing 3 seconds after removal 2: Slightly cold compared to pressing 3 seconds after removal 3: Clearly cold compared to pressing 3 seconds after removal 4: Clearly cold compared to pressing 3 seconds after removal 4: 3 seconds after removal Very cold compared to when pressed In addition, instead of leaving the sheet cosmetics in place, hold the sheet cosmetics in your hand and shake them 5 times to give a feeling of coldness when pressed against the test site. Evaluated in the same way.

The results are shown in Table 1 below.

[Evaluation 2: Examination of the effect of the mass ratio of water and ethanol in the cosmetic composition and the mass ratio of the cosmetic composition to the sheet substrate]
(Making sheet cosmetics)
The cosmetic compositions (mixture of water and ethanol) of Experimental Examples 9 to 20 having the compositions shown in Table 2 were prepared.

In the same manner as in Evaluation 1, as shown in Table 2, sheet cosmetics stored in the packaging container were prepared.

(Evaluation method of cooling sensation effect)
The test was conducted in an environment of 23 ° C.

One sheet of cosmetic was taken out from the packaging container of each experimental example, left for 10 seconds, and then the cold feeling when pressed against the test site (neck muscle) was evaluated as follows.

The sheet cosmetic was left unattended by pinching one corner of the sheet cosmetic with fingers and holding it in the air.

In addition, the standard was a feeling of coldness when a wet towel (a towel that was moistened with water and then squeezed to the extent that moisture remained) was pressed against the test site.

(Evaluation criteria for cooling effect)
1: Cold as standard or slightly colder than standard 2: Clearly colder than standard 3: Very cold than standard The results are shown in Table 2 below.

[Evaluation 3: Heat flux measurement]
In the heat flux measuring device, a sheet cosmetic is placed on a heat flow sensor mounted on a heat block heated to 32 ° C., and the heat transfer in the upward direction is regarded as a positive heat flux, and the heat block to the sheet makeup. The heat flux flowing through the material (unit: W / m ² ) was measured. This measurement evaluates the phenomenon in which sheet cosmetics take heat from the heat block, which is a model of the skin.

As the sheet cosmetics used for the measurement, the sheet cosmetics of Experimental Example 2 in Evaluation 1 (water: ethanol = 75: 25, sheet base material: cosmetic composition = 100: 300), and the sheet cosmetics of Experimental Example 5 (water). : Ethanol = 50:50, Sheet substrate: Cosmetic composition = 100: 450), Sheet cosmetic of Experimental Example 7 (Water: Ethanol = 15:85, Sheet substrate: Cosmetic composition = 100: 300) Was used.

One sheet of cosmetic was taken out from the packaging container and left for 3 seconds, 5 seconds, 10 seconds, and 20 seconds (only in Experimental Examples 5 and 7), and then the above heat flux measurement was performed.

The peak value of the heat flow velocity immediately after crimping is shown in FIGS.

As shown in FIGS. 1 to 3, in the sheet cosmetics of Experimental Examples 5 and 7, the heat flux when the leaving time was 10 seconds and 20 seconds was significantly higher than the heat flux when the leaving time was 3 seconds and 5 seconds. It was big. This result quantitatively shows that the effect of cooling the skin is increased by leaving the sheet cosmetics of Experimental Examples 5 and 7 for 10 seconds or 20 seconds.

An example of prescribing the sheet cosmetic used in the present invention is shown below.
(Prescription Example 1) Wipe sheet for face 100 parts by mass of a non-woven fabric is impregnated with 400 parts by mass of a cosmetic composition having the following composition to prepare a sheet cosmetic.
Ethanol 40.00% by mass
Purified water 54.92% by mass
Polyoxyethylene polyoxypropylene decyltetradecyl ether
0.70% by mass
Dipropylene glycol 4.00% by mass
l-Menthol 0.10% by mass
Fragrance 0.20% by mass
Citric acid 0.02% by mass
Sodium citrate 0.06% by mass
(Prescription Example 2) Body Wiping Sheet 100 parts by mass of a non-woven fabric is impregnated with 300 parts by mass of a cosmetic composition having the following composition to prepare a sheet cosmetic.
Ethanol 45.00% by mass
Purified water 44.20% by mass
l-Menthol 0.30% by mass
Talc 10.00% by mass
Fragrance 0.50% by mass
(Prescription Example 3) Body Wiping Sheet 100 parts by mass of a non-woven fabric was impregnated with 430 parts by mass of a cosmetic composition having the following composition to prepare a sheet cosmetic.
Ethanol 60.00% by mass
Purified water 37.00% by mass
Polyoxyethylene cured castor oil 0.50% by mass
l-Menthol 1.50% by mass
Isopropylmethylphenol 0.20% by mass
Zinc paraphenol sulfonate 0.50% by mass
Fragrance 0.30% by mass

The present invention can be suitably used for a wiping sheet for a body or the like.

Claims (2)

It is a method of cleaning the body using sheet cosmetics stored in a sealed packaging container.
The sheet cosmetic contains the sheet base material and the cosmetic composition impregnated in the sheet base material, and the mass ratio of the cosmetic composition to 100 parts by mass of the sheet base material is 275 parts by mass or more. Yes,
The cosmetic composition contains water and ethanol, and the mass content ratio (water: ethanol) of the water to the ethanol is 60:40 to 10:90.
The taking-out step of taking out the sheet cosmetic from the packaging container and
After the taking-out step, (i) the sheet cosmetic is left for 10 to 200 seconds, or (ii) the sheet cosmetic is shaken 5 times or more, and a vaporization step.
After the vaporization step, a wiping step of wiping the body with the sheet cosmetics and
Cleaning methods, including. A sheet cosmetic product for use in the method of cleaning the body.
A sealed packaging container and a sheet cosmetic stored in the packaging container are provided.
The sheet cosmetic contains the sheet base material and the cosmetic composition impregnated in the sheet base material, and the mass ratio of the cosmetic composition to 100 parts by mass of the sheet base material is 275 parts by mass or more. Yes,
The cosmetic composition contains water and ethanol, and the mass content ratio (water: ethanol) of the water to the ethanol is 60:40 to 10:90.
The body cleaning method includes a step of taking out the sheet cosmetic from the packaging container and a step of taking out the sheet cosmetics.
After the taking-out step, (i) the sheet cosmetic is left for 10 to 200 seconds, or (ii) the sheet cosmetic is shaken 5 times or more, and a vaporization step.
After the vaporization step, a wiping step of wiping the body with the sheet cosmetics and
including,
Sheet cosmetic products.

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