JP2021088547A - Sheet-like cosmetic for giving cold sensation - Google Patents

Abstract

To provide a sheet-like cosmetic that, even when hung around the neck, causes only a reduced feeling of irritation while keeping cold sensation, and can be used as a sweat wiping sheet as well.SOLUTION: A sheet-like cosmetic for giving cold sensation is hung around the neck for use and comprises nonwoven fabric, and a cosmetic composition with which the nonwoven fabric is impregnated. The rate of the impregnation of the nonwoven fabric with cosmetic composition is 300 mass% or greater and 490 mass% or less. The cosmetic composition contains component (A): a cool component, component (B): ethanol and water. In the cosmetic composition the content of component (A) is 0.015 mass% or greater and 0.3 mass% or less relative to the total mass of the cosmetic composition. When the concentrations (mass%) of components (A) and (B) in the cosmetic composition are defined as A and B, A1.1×B is 0.20 or more and 3.8 or less.SELECTED DRAWING: Figure 1

Description

The present invention relates to a sheet-like cosmetic for imparting a cooling sensation.

There are those described in Patent Documents 1 and 2 as techniques related to sheet cosmetics used for wiping sweat and removing body odor.
Patent Document 1 (Japanese Unexamined Patent Publication No. 2015-93859) describes l-menthol, l-mentylglyceryl ether, eucalyptus and / or borneol, menthol lactate and / or mentylethylamide oxalate, and PCA menthol and /. Alternatively, cosmetics containing monomenthol succinate are described. According to the same document, such cosmetics give a high refreshing sensation to the user at the initial stage of use, have excellent sustainability of the refreshing sensation, and further improve the refreshing sensation when sweating after use. It is said that a comfortable refreshing sensation can be given to the user, and unpleasant stimuli such as a stimulating sensation during use are sufficiently reduced.

Patent Document 2 (Japanese Unexamined Patent Publication No. 2018-115123) describes a sheet-like body odor remover containing a human body cleansing composition, and a sheet-like body odor remover containing a human body cleansing composition is applied to the skin for 1 minute. The above description describes a method for removing body odor, which includes a step of fixing the body in contact with each other.

Japanese Unexamined Patent Publication No. 2015-93859 Japanese Unexamined Patent Publication No. 2018-115123

Here, in each of the patent documents described above in the section of background technology, no study has been made from the viewpoint of imparting a cooling sensation to the skin continuously for a predetermined time. For example, Patent Document 1 describes that a cosmetic can be used as a wiping sheet, but it has not been studied to keep such a sheet in continuous contact with the skin. Further, in Patent Document 2, there is a description that the sheet is kept in contact with the skin continuously for about several minutes, but there is no study on using it for giving a feeling of coldness to the skin.

On the other hand, the present inventor has newly considered to provide a sheet-like cosmetic for giving a feeling of coldness to be used around the neck. Specifically, the present invention provides a sheet-like cosmetic that can be used as a sweat-wiping sheet by keeping a feeling of coldness while suppressing a feeling of irritation even if it is left on the neck for a long time.

According to the present invention
A sheet-like cosmetic that is used around the neck to give a feeling of coldness.
A non-woven fabric and a cosmetic composition impregnated in the non-woven fabric are included.
The impregnation rate of the cosmetic composition into the non-woven fabric is 300% by mass or more and 490% by mass or less.
The cosmetic composition contains the following components (A) and (B):
(A) Cooling ingredient,
(B) Contains ethanol and water,
The content of the component (A) in the cosmetic composition is 0.015% by mass or more and 0.3% by mass or less with respect to the entire cosmetic composition.
When the concentrations (mass%) of the components (A) and (B) in the cosmetic composition are A and B, respectively, A ^1.1 × B is 0.20 or more and 3.8 or less, which is a sheet-like makeup. Fees will be provided.

According to the present invention, there is provided a package in which the sheet-shaped cosmetics according to the present invention are contained in a packaging material.

Further, according to the present invention, there is provided a method of using the sheet-shaped cosmetics, which comprises hanging the sheet-shaped cosmetics in the present invention around the neck.

According to the present invention, it is possible to provide a sheet-like cosmetic that can be used as a sweat-wiping sheet by keeping a feeling of coldness while suppressing a feeling of irritation even if it is left on the neck for a long time.

It is a figure which shows the structure of the sheet-shaped cosmetics in an embodiment.

Hereinafter, embodiments of the present invention will be described. Each component contained in the composition may be contained alone or in combination of two or more. Further, in the present specification, "~" indicating a numerical range indicates the following from the above unless otherwise specified, and includes both an upper limit value and a lower limit value.

(Sheet-like cosmetics for giving a feeling of coldness)
In the present embodiment, the sheet-shaped cosmetic for giving a feeling of coldness is used around the neck, and more specifically, it is used around the neck to give a feeling of coldness to the skin, and is preferably used around the neck. It cools the skin. The sheet-shaped cosmetic contains a non-woven fabric and a cosmetic composition impregnated in the non-woven fabric, and the impregnation rate of the non-woven fabric with the cosmetic composition is 300% by mass or more and 490% by mass or less. The cosmetic composition contains the following components (A) and (B) as well as water.
(A) Cooling ingredient,
(B) The content of the component (A) in the ethanol cosmetic composition is 0.015% by mass or more and 0.3% by mass or less with respect to the entire cosmetic composition. When the concentrations (mass%) of the components (A) and (B) in the cosmetic composition are A and B, respectively, A ^1.1 × B is 0.20 or more and 3.8 or less.

The present inventor uses a sheet-like cosmetic that is used around the neck as a sweat-wiping sheet at a desired timing while suppressing a feeling of irritation even when the sheet-like cosmetic is kept in contact with the skin for a long time. I considered it to be possible. As a result, it is assumed that the sheet-shaped cosmetic contains the non-woven fabric and the cosmetic composition containing the components (A), (B) and water, and the impregnation rate of the cosmetic composition, the content of the component (A) and A ^1.1. It has been newly found that the above-mentioned required characteristics can be achieved by configuring the indexes represented by × B in a specific range.
Hereinafter, each configuration will be described in more detail.

(Non-woven fabric)
Specifically, the non-woven fabric serves as a base material for sheet-shaped cosmetics.
Specific examples of the material of the non-woven fabric include lyocell, cupra, rayon, acetate, acrylic, polyester, polyethylene, polypropylene, polyurethane, polyamide, cotton, pulp and a mixture thereof. Other examples include sheets in which at least one of pulp, rayon and cotton is reinforced with a thermoplastic resin such as polyethylene, polypropylene or polyethylene terephthalate. At this time, in the ratio of pulp, rayon, cotton and thermoplastic resin, the mass ratio of pulp, rayon and cotton to the whole is preferably 50 mass from the viewpoint of making the feeling of use when worn around the neck for a long time preferable. % Or more, more preferably 80% by mass or more, and less than 100% by mass.

From the viewpoint of excellent retention of the cosmetic composition, the non-woven fabric material is preferably one or more materials selected from the group consisting of cotton and rayon. From the viewpoint of retention and release of the cosmetic composition, the mass ratio of cotton and rayon to the whole is preferably 50% by mass or more, more preferably 55% by mass or more, and further preferably 60. It is mass% or more.

^{The average basis weight of the non-woven fabric is preferably 20 g / m 2} or more, and more preferably 40 g / m ² or more, from the viewpoint of the retention of the cosmetic composition and the good feel at the time of cleaning.
From the same viewpoint, the basis weight of the non-woven fabric is preferably 150 g / m ² or less, and more preferably 100 g / m ² or less.
The average basis weight can be obtained by cutting out a non-woven fabric into a certain area, measuring its mass (g), and converting it into a mass of ^{1 m 2 in accordance with JIS L 1913.}

The thickness of the non-woven fabric is preferably 0.15 mm or more, more preferably 0.30 mm or more, from the viewpoint of being chewy and giving a good feeling of use at the time of wiping.
From the same viewpoint, the thickness of the non-woven fabric is preferably 1.30 mm or less, more preferably 0.90 mm or less.
Here, the thickness of the non-woven fabric is obtained by measuring with a dial gauge ^{having a pressing force of 20 gf / cm 2 load.}

The shape of the non-woven fabric is specifically a sheet shape, preferably a shape that does not easily come off from the neck when hung on the neck, and can be, for example, a rectangular shape.
The length of the non-woven fabric in the longitudinal direction, for example, the length of a rectangle is preferably 30 cm or more, more preferably 35 cm or more, still more preferably 45 cm or more, from the viewpoint of making it easy to hang on the neck and making it difficult to come off from the neck. is there.
Further, from the viewpoint of preventing excessive interference with clothing when worn around the neck, the length of the non-woven fabric in the longitudinal direction, for example, the length of a rectangle is preferably 90 cm or less, more preferably 80 cm or less, and more preferably. It is 70 cm or less.

The size of the non-woven fabric in the lateral direction, for example, the width of the rectangle is preferably 2 cm or more, more preferably 3 cm or more, still more preferably 4 cm or more, from the viewpoint of making it easy to wrap around the neck.
The size of the non-woven fabric in the lateral direction, for example, the upper limit of the width of the rectangle is not limited, but is, for example, 12 cm or less, preferably 10 cm or less, and more preferably 8 cm or less. Further, when using the sheet-shaped cosmetic, the non-woven fabric may be folded in the lateral direction to adjust the width. By folding the non-woven fabric to increase its thickness, it is possible to enhance the sense of stability when worn around the neck, for example.

(Cosmetic composition)
The cosmetic composition contains the following ingredients (A) and (B) as well as water.
(A) Cooling component (B) Ethanol The cosmetic composition may be, for example, an external preparation for the skin. Further, as a property of the cosmetic composition, it is preferably liquid from the viewpoint of enhancing the impregnation property into the non-woven fabric.

(Ingredient (A))
As the refreshing component of the component (A), for example, menthol such as l-menthol, menthol acetate, menthol lactate, l-mentyl glyceryl ether, menthol pyrrolidone carboxylic acid or a derivative thereof; menthol such as N-ethyl-p-menthancarboxyamide. Relatives: dl-camfer, isopulegol, cineole, borneol, thymol and derivatives thereof, and essential oils containing menthol such as 3-l-methoxypropanediol and peppermint oil and peppermint oil can be mentioned.
The component (A) may have other functions in addition to the function as a refreshing component. For example, the component (A) may also function as a fragrance.

From the viewpoint of enhancing the persistence of cooling sensation when used around the neck, the component (A) preferably contains one or more compounds selected from the group consisting of menthol and derivatives thereof, and more preferably l-menthol. Is.

The content of the component (A) in the cosmetic composition is 0.015% by mass or more, preferably 0.04% by mass or more, based on the entire cosmetic composition, from the viewpoint of enhancing the sustainability of the cooling sensation. , More preferably 0.05% by mass or more.
Further, from the viewpoint of suppressing the irritation feeling when the sheet-shaped cosmetic is continuously applied to the neck for a predetermined time, the content of the component (A) is 0.3% by mass or less with respect to the entire cosmetic composition. It is preferably 0.25% by mass or less, more preferably 0.15% by mass or less, and further preferably 0.1% by mass or less.

(Component (B))
The component (B) is ethanol.
^{The content of the component (B) in the cosmetic composition is set so that A 1.1} × B is in a predetermined range according to the content of the component (A) in the cosmetic composition.
Further, from the viewpoint of enhancing the feeling of coldness, the content of the component (B) in the cosmetic composition is preferably 3% by mass or more, more preferably 5% by mass or more, and further, with respect to the entire cosmetic composition. It is preferably 10% by mass or more, and even more preferably 20% by mass or more.
Further, from the viewpoint of suppressing the irritation feeling when the sheet-shaped cosmetic is continuously applied to the neck for a predetermined time, the content of the component (B) is preferably 50% by mass or less with respect to the entire cosmetic composition. , More preferably 45% by mass or less, still more preferably 40% by mass or less.

In the present embodiment, when the concentrations (% by mass) of the components (A) and (B) in the cosmetic composition are A and B, respectively ^{, the index represented by A 1.1} × B is in a specific range. .. Here, A ^1.1 × B is an index that reflects the state of the sheet-shaped cosmetic when it is continuously used around the neck for a predetermined time, and was newly discovered by the present inventor. By ^{setting A 1.1} x B to a specific range, it is possible to make the balance between the feeling of coldness and irritation when the sheet-shaped cosmetic is used around the neck for a long time and the feeling of use when it is wiped. it can.
Specifically, A ^1.1 × B is preferably 0.20 or more from the viewpoint of obtaining a continuous cooling sensation when used around the neck and improving the wiping feeling at the time of wiping. Is 0.60 or more, more preferably 0.70 or more, still more preferably 0.80 or more.
Further, from the viewpoint of suppressing the feeling of irritation when the neck is worn for a long time, A ^1.1 × B is 3.8 or less, preferably 1.50 or less, more preferably 1.00 or less, and further. It is preferably 0.90 or less.

(water)
The content of water in the cosmetic composition can be, for example, the balance of the cosmetic composition excluding components other than water.
Further, the content of water in the cosmetic composition is preferably 45% by mass with respect to the entire cosmetic composition from the viewpoint of suppressing the irritation feeling when the sheet-shaped cosmetic is continuously applied to the neck for a predetermined time. The above is more preferably 50% by mass or more, still more preferably 55% by mass or more, and even more preferably 60% by mass or more.
Further, from the viewpoint of improving the cooling sensation over time when the sheet-shaped cosmetic is used around the neck, the content of water in the cosmetic composition is specifically 99. It is less than 7% by mass, preferably 96% by mass or less, more preferably 90% by mass or less, still more preferably 85% by mass or less, still more preferably 80% by mass or less.

In addition, the cosmetic composition may contain ingredients other than the ingredients (A), (B) and water. For example, the cosmetic composition may contain at least one of the following components (C) and (D).

(Component (C))
The component (C) is a polyhydric alcohol. Specific examples of the component (C) include glycerin; propanediol such as 1,3-propanediol and 1,2-propanediol and derivatives thereof; sorbitol; ethylene glycol; diethylene glycol; polyethylene glycol having a number average molecular weight of 100 or more and 3000 or less; One or more selected from the group consisting of propylene glycol; dipropylene glycol; 1,3-butanediol and isoprene glycol;
It has excellent retention of the cosmetic composition, and when the sheet is hung on the neck, it suppresses the drying of the sheet for a long period of time, so that the cold feeling is more sustained and the stickiness of the skin is suppressed. From the viewpoint of excellent moisturizing feeling, the component (C) contains one or more selected from the group consisting of polyethylene glycol, propanediol and derivatives thereof, more preferably polyethylene glycol, and has a number average molecular weight of 100 or more. It is even more preferable to contain polyethylene glycol of 3000 or less, further preferably to contain polyethylene glycol having a number average molecular weight of 200 or more and 1000 or less, and even more preferably to contain polyethylene glycol having a number average molecular weight of 250 or more and 700 or less.
From the same viewpoint, the number average molecular weight of polyethylene glycol is preferably 100 or more, more preferably 200 or more, still more preferably 250 or more, and preferably 3000 or less, more preferably 1000 or less, and further. It is preferably 700 or less.

The content of the component (C) in the cosmetic composition is preferably 0. From the viewpoint of improving the skin feeling and moisturizing, and improving the retention of the cosmetic composition, the content of the component (C) is preferably 0. It is 01% by mass or more, more preferably 0.02% by mass or more, and further preferably 0.05% by mass or more.
Further, from the viewpoint of suppressing the slimy feeling at the time of wiping and the sticky feeling after wiping, the content of the component (C) in the cosmetic composition is preferably 2% by mass or less with respect to the entire cosmetic composition. It is more preferably 1% by mass or less, still more preferably 0.7% by mass or less, and even more preferably 0.5% by mass or less.

The content mass ratio ((A) / (C)) of the component (A) to the component (C) in the cosmetic composition is such that when the sheet is hung on the neck, the sheet is prevented from drying for a long period of time. It is preferably 0.01 or more, more preferably 0.02 or more, still more preferably 0.03 or more, from the viewpoint of excellent moisturizing feeling while suppressing stickiness of the skin while maintaining a long-lasting feeling of coldness. It is even more preferably 0.05 or more, preferably 5 or less, more preferably 1 or less, still more preferably 0.4 or less.

The sum of the contents of the component (A) and the component (C) in the cosmetic composition suppresses the drying of the sheet for a long period of time when the sheet is hung on the neck, so that the feeling of coldness is more sustained. Further, from the viewpoint of suppressing stickiness of the skin and excellent moisturizing feeling, it is preferably 0.025% by mass or more, more preferably 0.06% by mass or more, still more preferably 0.06% by mass or more, based on the entire cosmetic composition. Is 0.1% by mass or more, preferably 2.3% by mass or less, more preferably 1.25% by mass or less, still more preferably 0.85% by mass or less, still more preferably 0.6. It is mass% or less.

(Component (D))
Ingredient (D) is a surfactant.
From the viewpoint of improving the stability of the preparation, improving the retention of the cosmetic composition, and improving the skin feel, the component (D) preferably contains a nonionic surfactant. As nonionic surfactants, for example, polyoxyalkylene sorbitan fatty acid ester, polyoxyalkylene sorbit fatty acid ester, polyoxyalkylene glycerin fatty acid ester, polyoxyalkylene fatty acid ester, polyoxyalkylene alkyl ether, polyoxyalkylene alkyl phenyl ether, polyoxy Examples thereof include alkylene (hardened) castor oil, sucrose fatty acid ester, polyglycerin alkyl ether, polyglycerin fatty acid ester, fatty acid alkanolamide, and alkyl glycoside.
Of these, polyoxyethylene hydrogenated castor oil, polyoxyalkylene alkyl ether, alkyl glycoside, and polyoxyalkylene C8 are considered from the viewpoints of suppressing the sticky feeling at the time of wiping and the sticky feeling immediately after wiping, and the liquid retention in the non-woven fabric. -C20 fatty acid ester, polyoxyethylene sorbitan fatty acid ester, fatty acid alkanolamide are preferable.

More specifically, examples of the polyoxyalkylene alkyl ether include polyoxyethylene hexyl decyl ether, polyoxyethylene octyldodecyl ether, polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, and polyoxyethylene nonyl. Examples thereof include polyoxyethylene alkyl ethers such as phenyl ethers, polyoxypropylene alkyl ethers, and polyoxyethylene / polyoxypropylene alkyl ethers.
Examples of the alkyl glycoside include those having an alkyl group having 8 to 14 carbon atoms and a sugar (glucose) having a degree of condensation of 1 to 2.
Examples of the polyoxyethylene sorbitan fatty acid ester include polyoxyethylene sorbitan coconut fatty acid ester and polyoxyethylene sorbitan monostearate.
The fatty acid alkanolamide preferably has an acyl group having 8 to 18 carbon atoms, particularly 10 to 16 carbon atoms, and may be either a monoalkanolamide or a dialkanolamide, but a hydroxyalkyl group having 2 to 3 carbon atoms. It is preferable to have.
Specific examples of fatty acid alkanolamides include oleate diethanolamide, palm kernel oil fatty acid diethanolamide, coconut oil fatty acid diethanolamide, lauric acid diethanolamide, polyoxyethylene coconut oil fatty acid monoethanolamide, coconut oil fatty acid monoethanolamide, and laurin. Examples thereof include acid monoisopropanolamide, lauric acid monoethanolamide, palm kernel oil fatty acid methylethanolamide, and coconut oil fatty acid methylethanolamide.

The nonionic surfactant is preferably polyoxyalkylene alkyl ether and polyoxy from the viewpoint of suppressing the sticky feeling at the time of wiping and the sticky feeling immediately after wiping, and from the viewpoint of improving the retention of the cosmetic composition on the non-woven fabric. One or more selected from the group consisting of polyethylene-cured castor oil, more preferably polyoxyethylene lauryl ether and polyoxyethylene-cured castor oil.

The content of the component (D) in the cosmetic composition is preferably 0.01% by mass or more with respect to the entire cosmetic composition from the viewpoint of improving the skin cleansing property and the stability of the preparation, and more. It is preferably 0.02% by mass or more, more preferably 0.05% by mass or more.
Further, from the viewpoint of suppressing the sticky feeling at the time of wiping and the sticky feeling immediately after wiping, the content of the component (D) in the cosmetic composition is preferably 2% by mass or less with respect to the entire cosmetic composition. It is more preferably 1% by mass or less, still more preferably 0.7% by mass or less, and even more preferably 0.5% by mass or less.

In addition, the cosmetic composition may contain ingredients other than the above-mentioned ingredients.
For example, the cosmetic composition may contain a pH adjuster. Examples of the pH adjuster include organic acids such as succinic acid, citric acid and tartaric acid and salts thereof; inorganic acids such as phosphoric acid and salts thereof, 2-amino-2-hydroxymethyl-1,3-propanediol and the like. ..
Of these, the content of 2-amino-2-hydroxymethyl-1,3-propanediol in the cosmetic composition is preferably 0.01% by mass or more with respect to the entire cosmetic composition, which is more preferable. Is 0.02% by mass or more, more preferably 0.05% by mass or more, preferably 2% by mass or less, more preferably 1.5% by mass or less, still more preferably 1% by mass or less, and more. It is more preferably 0.5% by mass or less, and particularly preferably 0.3% by mass or less.

The pH of the cosmetic composition is preferably 4.3 or more, more preferably 4.5 or more, and preferably 8.0 or less from the viewpoint of reducing irritation to the skin.

Next, a method for producing the sheet-shaped cosmetics will be described.
A method for producing a sheet-shaped cosmetic product includes, for example, a step of preparing a cosmetic composition and a non-woven fabric, and a step of impregnating the non-woven fabric with the cosmetic composition.
In the step of impregnating the non-woven fabric with the cosmetic composition, there is no limitation on the impregnation method. For example, a method of spraying the non-woven fabric with the non-woven fabric using a spray or an air gun, a slit type nozzle, or the like is used. A method of directly applying the cosmetic composition directly to the sheet base material and impregnating the sheet base material can be mentioned.

The impregnation rate of the cosmetic composition into the non-woven fabric is 300% by mass or more, preferably 300% by mass or more, based on the mass of the non-woven fabric, from the viewpoint of obtaining a preferable wet feeling and cold feeling at the time of wiping even after a long period of time has passed around the neck. It is 330% by mass or more, more preferably 360% by mass or more, and further preferably 390% by mass or more.
Further, from the viewpoint of usability when worn around the neck, the impregnation rate of the cosmetic composition is 490% by mass or less, preferably 480% by mass or less, and more preferably 460% by mass or less with respect to the mass of the non-woven fabric. is there.

(Packaging body)
In the present embodiment, the package is, for example, the sheet-shaped cosmetics of the present embodiment contained in the packaging material, and is preferably sealed.
There are no restrictions on the material of the packaging, for example, a barrier layer such as an aluminum sheet (aluminum foil) or a silica vapor-deposited film is sandwiched between the front and back surfaces, and the front and back surfaces are made of, for example, polyethylene, polyethylene terephthalate, polypropylene, polyester, polyamide, polyvinyl chloride, etc. It can be a laminated film or the like covered with a synthetic resin film layer.
Further, the shape of the package is not limited, and may be, for example, a pillow bag, a gusset bag, a pouch, a box, a bottle, a jar, or the like.
One sheet-shaped cosmetic may be contained in one packaging material, or two or more sheet-shaped cosmetics may be contained in one packaging material. Further, two or more sheet-shaped cosmetics may be contained in one packaging material in a connected state. At this time, for example, the non-woven fabric may be provided with perforations, and the sheet-shaped cosmetics to be used can be cut out along the perforations and used.
The sheet-shaped cosmetics are stored, for example, in a folded state or a rolled state.

The impregnation rate of the cosmetic composition into the non-woven fabric 1 hour after the sheet-shaped cosmetic is taken out from the package is based on the mass of the non-woven fabric from the viewpoint of enhancing the durability of the preferable feeling of use of the sheet-shaped cosmetic. It is preferably 80% by mass or more, more preferably 120% by mass or more, and further preferably 150% by mass or more.
There is no limitation on the impregnation rate of the cosmetic composition into the non-woven fabric one hour after the sheet-shaped cosmetic is taken out from the package, for example, it is equal to or less than the impregnation rate at the time when the sheet-shaped cosmetic is taken out from the package. Further, for example, it may be 200% by mass or less.

Next, how to use the sheet-shaped cosmetics will be described. The method of using the sheet-shaped cosmetics specifically includes putting the sheet-shaped cosmetics around the neck. At this time, the sheet-shaped cosmetic may be hung on the neck as it is, or the sheet-shaped cosmetic may be folded and hung on the neck according to the size of the user's neck. Further, from the viewpoint of preventing the sheet-shaped cosmetic from coming off the neck, for example, the sheet-shaped cosmetic may be wrapped around the neck.
In the present embodiment, the sensation of irritation to the skin can be suppressed even when the product is continuously worn around the neck for a long period of time, and a feeling of coldness can be continuously obtained. Further, according to the present embodiment, for example, it is possible to actually lower the temperature of the skin.

1A and 1B are views showing a configuration example of the sheet-shaped cosmetics, and are a front view and a perspective view showing a state in which the sheet-shaped cosmetics are hung on the neck, respectively. In FIGS. 1A and 1B, an example is shown in which the width of the sheet-shaped cosmetic 100 is folded in half and hung on the user's neck.

You may also wipe the skin with a sheet of cosmetics. There is no limitation on the timing of wiping the skin, and it may be before, during, or after the skin is hung, but it is preferably in the middle of being hung on the neck or after being used around the neck. Also, when wiping the skin, the sheet-like cosmetic may be left on the neck or removed from the neck.
The skin to be wiped with the sheet-like cosmetics is, for example, skin other than the scalp and may be the whole body, preferably the face; neck; upper body such as hands and arms; or lower body such as legs, more preferably. Is the face; neck or upper body.
In the present embodiment, the cosmetic composition contains the component (B) and water, and the content of the component (A), A ^1.1 × B, and the impregnation rate are each within a specific range, so that the skin is hung on the neck for a certain period of time. Even after the lapse of time, for example, during cleaning, the temperature of the skin is actually lowered by the heat of vaporization when the component (B) contained in the cosmetic composition transferred to the skin and water volatilizes, and after cleaning. It is also possible to give a feeling of coldness.

Although the embodiments of the present invention have been described above, these are examples of the present invention, and various configurations other than the above can be adopted.

(Examples 1 to 21, Comparative Examples 1 to 16)
The cosmetic compositions of each example were prepared with the formulations shown in Tables 1 to 5, and the non-woven fabric was impregnated with the composition so as to have the impregnation rate shown in Tables 1 to 5, and the sheet-shaped cosmetics of each example were applied. Obtained. The obtained sheet-shaped cosmetics were evaluated for a feeling of coldness after 1 hour, no feeling of irritation over time, and a feeling of wiping after 1 hour. The evaluation results are shown in Tables 1 to 5.

(Preparation method of cosmetic composition)
After dissolving (A) the refreshing component in (B) ethanol at room temperature (25 ° C.), other components were added to the aqueous phase to prepare.

(Manufacturing method of sheet-shaped cosmetics)
The non-woven fabric (70% by mass of cotton / 30% by mass of rayon, width 23 cm, length 46 cm, average thickness 0.33 mm, average basis weight 45 g / m ² ) is evenly impregnated with the cosmetic composition obtained in each example. After that, the liquid was blended and uniformly impregnated.

(Evaluation method)
(Cold feeling after 1 hour)
The sheet-shaped cosmetics obtained in each example were hung on the neck in a folded state, and the feeling of coldness on the back of the neck after 1 hour at room temperature (25 ° C.) was evaluated on a 3-point scale. The evaluation was carried out by four specialized panelists according to the following criteria, and Tables 1 to 5 show the scores and average scores of each panelist. Those with ○ and ◎ judgments were considered as acceptable.
Evaluation criteria 3 points: With a feeling of cold 2 points: With a feeling of cold 1 point: With a feeling of cold 0 points: No feeling of cold Judgment criteria ◎: Average score is 2.00 or more and 3.00 or less 〇: Of the score Average score is 1.00 or more and less than 2.00 ×: Average score is 0.00 or more and less than 1.00

(No irritation over time)
The sheet-shaped cosmetics obtained in each example were hung on the neck in a folded state, and the irritation sensation over time for 1 hour at room temperature (25 ° C.) was evaluated. The evaluation was carried out by four specialized panelists according to the following criteria, and Tables 1 to 5 show the scores and average scores of each panelist. Those with ○ and ◎ judgments were considered as acceptable.
Evaluation criteria 2 points: No irritation 1 point: Somewhat irritation but within the permissible range 0 points: Exceeding the permissible range Judgment criteria ◎: Average score is 1.50 or more and 2.00 or less 〇: Average score is 0.50 or more and less than 1.50 ×: Average score is 0.00 or more and less than 0.50

(Wipe off after 1 hour)
The sheet-shaped cosmetics obtained in each example were hung on the neck in a folded state, and after 1 hour at room temperature (25 ° C.), the inside of the upper arm was wiped to evaluate the wiping feeling. The evaluation was carried out by four specialized panelists according to the following criteria, and Tables 1 to 5 show the scores and average scores of each panelist. Those with judgments of △, ○ and ◎ were regarded as acceptable.
Evaluation criteria 4 points: High wiping feeling 3 points: Wiping feeling slightly high 2 points: Wiping feeling slightly low 1 point: Wiping feeling low 0 points: No wiping feeling Judgment criteria ◎: Average score is 3.00 or more 4. 00 or less 〇: Average score is 2.00 or more and less than 3.00 Δ: Average score is 1.00 or more and less than 2.00 ×: Average score is 0.00 or more and less than 1.00

Here, Example 7 shown in Table 1 is also shown in Tables 4 and 5. Further, in Tables 1 to 5, the content of each component is an active amount.
From Tables 1 to 5, the sheet-shaped cosmetics obtained in each example have an excellent balance of the effects of a feeling of coldness after 1 hour on the neck, no feeling of irritation over time, and a feeling of wiping off after 1 hour. Was there.

(Example 22)
With respect to the sheet-shaped cosmetics of Example 7, the length and width of the non-woven fabric were changed, and the ease of hanging around the neck and the ease of wrapping around the neck were evaluated according to the following criteria. The evaluation was carried out by five specialized panelists according to the following criteria, and the average score was shown. The evaluation results are shown in Tables 6 and 7.

(Easy to hang on the neck)
The width of the non-woven fabric was 12 cm, and the length was changed for evaluation.
Evaluation Criteria 3: Can be used around the neck and is very comfortable to wear around the neck 2: Can be used around the neck and is comfortable to wear around the neck 1: Can be used around the neck 0: Cannot be used around the neck (easy to wrap around the neck) )
Evaluation Criteria The length of the non-woven fabric was 46 cm, and the width was changed for evaluation.
3: Can be used by wrapping around the neck and is very comfortable to wrap around the neck 2: Can be used by wrapping around the neck and is comfortable to wrap around the neck 1: Can be used by wrapping around the neck 0: Cannot be used by wrapping around the neck

(Examples 23 and 24)
The cosmetic composition of each example was prepared according to the formulation shown in Table 8, and the non-woven fabric was impregnated with the composition so as to have the impregnation rate shown in Table 8 to obtain a sheet-shaped cosmetic of each example. When the obtained sheet-shaped cosmetic was evaluated over the neck, it was found that the feeling of coldness after 1 hour was excellent, there was no irritation over time, and the feeling of wiping after 1 hour was excellent.

100 sheet cosmetics

Claims (9)

A sheet-like cosmetic that is used around the neck to give a feeling of coldness.
A non-woven fabric and a cosmetic composition impregnated in the non-woven fabric are included.
The impregnation rate of the cosmetic composition into the non-woven fabric is 300% by mass or more and 490% by mass or less.
The cosmetic composition contains the following components (A) and (B):
(A) Cooling ingredient,
(B) Contains ethanol and water,
The content of the component (A) in the cosmetic composition is 0.015% by mass or more and 0.3% by mass or less with respect to the entire cosmetic composition.
When the concentrations (mass%) of the components (A) and (B) in the cosmetic composition are A and B, respectively, A ^1.1 × B is 0.20 or more and 3.8 or less, which is a sheet-like makeup. Fee. The sheet-shaped cosmetic according to claim 1, wherein the cosmetic composition further contains the component (C): a polyhydric alcohol. The sheet-shaped cosmetic according to claim 2, wherein the content mass ratio ((A) / (C)) of the component (A) to the component (C) in the cosmetic composition is 0.01 or more and 5 or less. .. The sheet-shaped cosmetic according to any one of claims 1 to 3, wherein the cosmetic composition further contains a component (D): a surfactant. The sheet-shaped cosmetic according to any one of claims 1 to 4, wherein the planar shape of the nonwoven fabric is rectangular and the length of the nonwoven fabric is 35 cm or more and 80 cm or less. The sheet-shaped cosmetic according to any one of claims 1 to 5, wherein the planar shape of the nonwoven fabric is rectangular and the width of the nonwoven fabric is 3 cm or more and 12 cm or less. The sheet-shaped cosmetic according to any one of claims 1 to 6, wherein the component (A) contains one or more compounds selected from the group consisting of menthol and its derivatives. A package in which the sheet-shaped cosmetic according to any one of claims 1 to 7 is contained in a packaging material. A method for using a sheet-shaped cosmetic, which comprises putting the sheet-shaped cosmetic according to any one of claims 1 to 7 around the neck.

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