JP5093841B2 - Nonwoven impregnated cosmetics - Google Patents

Description

The present invention relates to a nonwoven fabric-impregnated cosmetic, and more particularly to a nonwoven fabric-impregnated cosmetic in which a sheet-like nonwoven fabric of a specific material is impregnated with a specific cosmetic.

In recent years, amino acids having various effects, derivatives thereof, compositions containing peptides, cosmetics, external preparations for skin, and the like are known (for example, Patent Documents 1 and 2). On the other hand, a sheet-like skin external preparation in which a nonwoven fabric is impregnated with a cosmetic or skin external preparation containing amino acids having various effects, derivatives thereof, and peptides is also known (for example, Patent Document 3). However, the nonwoven fabric-impregnated cosmetic in which the nonwoven fabric is impregnated with a composition containing an amino acid, an amino acid derivative, a peptide and / or a salt thereof is a nonwoven fabric even if the color stability of the cosmetic itself as an impregnation liquid is good. When impregnated, the color changes to yellow or brownish brown under high temperature conditions or for a long time, and the color tone stability is impaired.
Japanese Patent No. 2720258 JP 2006-298756 A JP 2006-312603 A

The present invention provides a nonwoven fabric-impregnated cosmetic material that impregnates a nonwoven fabric with a cosmetic material containing one or more selected from the group consisting of amino acids, amino acid derivatives, peptides and / or their salts, and has good color stability. This is a technical issue.

As a result of intensive studies to solve the conventional problems, the present inventors have found that a cosmetic containing 0.5 to 5.0% by mass of tranexamic acid, tranexamic acid methylamide hydrochloride, glycylglycine , and polyethylene terephthalate In addition, the present inventors have found that by impregnating a non-woven fabric containing cotton and cotton, a non-woven fabric-impregnated cosmetic having good color tone stability and excellent use feeling can be obtained.

That is, the present invention is a non-woven fabric characterized by impregnating a non-woven fabric containing polyethylene terephthalate and cotton with a cosmetic containing 0.5 to 5.0% by mass of tranexamic acid, tranexamic acid methylamide hydrochloride, and glycylglycine. It relates to impregnated cosmetics.
The present invention also provides the nonwoven fabric impregnated cosmetic, wherein the nonwoven fabric is impregnated with a nonwoven fabric containing 60 to 80% by mass of polyethylene terephthalate and 40 to 20% by mass of cotton with respect to the total mass of the nonwoven fabric. About.

According to the present invention, a nonwoven fabric-impregnated cosmetic material that is impregnated with cosmetics containing tranexamic acid, tranexamic acid methylamide hydrochloride, glycylglycine , has excellent effects of suppressing discoloration at high temperatures and over time, and is excellent in use feeling. Can be provided.

The nonwoven fabric-impregnated cosmetic of the present invention uses a cosmetic containing tranexamic acid, tranexamic acid methylamide hydrochloride, and glycylglycine as the impregnating liquid.

Amino acids and amino acid derivatives have been conventionally blended in cosmetics and cleaning agents for the purpose of moisturizing, improving rough skin, and whitening. Examples of amino acids and amino acid derivatives used in the present invention include tranexamic acid, glycine, alanine, serine, arginine, lysine, hydroxyproline, and salts thereof or derivatives thereof. Examples of the peptides and / or salts thereof used in the present invention include glycylglycine and / or salts thereof.
Among these, tranexamic acid, tranexamic acid derivatives, and glycylglycine are particularly preferably blended in the nonwoven fabric impregnated cosmetic of the present invention.
Even if it mix | blends the compound chosen from the group which consists of these amino acids, an amino acid derivative, a peptide, and / or those salts individually with the cosmetics which are the impregnating liquid of this invention, or it combines 2 or more types as needed. May be blended.

The blending amount of tranexamic acid, tranexamic acid methylamide hydrochloride, and glycylglycine in the nonwoven fabric impregnated cosmetic of the present invention is 0.5 to 5.0% by mass, preferably 0, based on the total amount of the cosmetic that is the impregnating liquid. 0.7-3.5% by mass. If the amount is less than 0.5% by mass, sufficient effects such as moisturizing, rough skin improvement, and whitening cannot be obtained. If the amount exceeds 5.0% by mass, stickiness and other usability may be deteriorated.

In addition to the essential components described above, the nonwoven fabric-impregnated cosmetic of the present invention may further contain oils, moisturizers, surfactants, thickeners, ultraviolet absorbers, antioxidants, as long as the effects of the present invention are not impaired. It is possible to blend other ingredients that are blended in normal cosmetics such as agents, preservatives, anti-inflammatory agents, drugs such as vitamins and hormones, and fragrances.
Cosmetic dosage forms that are impregnating liquids include arbitrary dosage forms such as aqueous solution systems, solubilization systems, emulsification systems, gels, oil-liquid systems, water-oil two-layer systems, and water-oil-powder three layers. Particularly preferred are aqueous solution systems and solubilization systems.

The nonwoven fabric impregnated with the present invention uses a nonwoven fabric containing polyethylene terephthalate and cotton. As the nonwoven fabric containing polyethylene terephthalate and cotton, those containing 60% by mass or more of polyethylene terephthalate and 40% by mass or less of cotton are preferably used with respect to the total mass of the nonwoven fabric. More preferably, 60 to 80% by mass of polyethylene terephthalate and 40 to 20% by mass of cotton are used. The nonwoven fabric of this invention can contain another nonwoven fabric raw material within the said range.
Other nonwoven materials used in the present invention are not particularly limited as long as they can absorb liquid and be held between fibers or on the surface thereof, but polypropylene, polyolefin, polyurethane, acrylic, nylon, etc., and those Mixtures can be used. Examples of the shape of the nonwoven fabric include an elliptical shape, a circular shape, a heart shape, a semicircular shape, a semielliptical shape, a square shape, a rectangular shape, and a trapezoid shape, but there is no particular limitation. Moreover, you may provide a convex part and a recessed part in the center part and a peripheral part for the purpose of alignment and a usability improvement. Further, the thickness and composition of the substrate may be changed depending on the use site, or fibers of different materials may be adhered later. Non-woven fabric three-dimensional structure such as non-woven fiber weaving method and knitting method, linear fiber, spiral fiber, or mixed fiber thereof is not particularly limited, and non-woven fabrics of any three-dimensional structure can be used. .

The nonwoven fabric impregnated cosmetic of the present invention is produced by impregnating a nonwoven fabric containing polyethylene terephthalate and cotton. The amount of the cosmetic material impregnated into the nonwoven fabric varies depending on the material of the nonwoven fabric, but in the present invention, the amount of the cosmetic material is required to be at least wet with the cosmetic material. Specifically, the amount of the cosmetic is 1 to 30 times, preferably 5 to 20 times the mass of the nonwoven fabric. The timing of impregnation can be impregnated by the user each time it is used, but it is preferable in terms of quality control that the non-woven fabric is impregnated with the cosmetic immediately after production. The nonwoven fabric-impregnated cosmetic of the present invention can be applied more per unit area of skin by impregnating the nonwoven fabric. In addition, due to the occlusion effect, the active ingredient sufficiently penetrates the skin and the effect is sufficiently exhibited.

The method for impregnating the nonwoven fabric impregnated cosmetic of the present invention into the nonwoven fabric can be carried out by known means. For example, a dripping method, a spraying method, a pressurizing method, and a dipping process method are mentioned. The nonwoven fabric can be impregnated by using one sheet or a plurality of sheets as they are or by folding them.
It is preferable that the impregnated non-woven fabric is immediately sealed in a highly airtight container. In particular, it is suitable for an air-tight bag or the like that does not transmit light, such as an aluminum laminate package or a polyethylene terephthalate (PET) coated inner surface. Sealed loading is preferred for stability.

The nonwoven fabric-impregnated cosmetic of the present invention is adhered to the whole or a local site such as the face (whole part, cheek part, eye part, mouth part, etc.), arm part, leg part, chest part, abdomen part, neck part, etc. for an appropriate time. It is peeled off after being used. As a method of using the non-woven fabric impregnated cosmetic of the present invention, it is preferable to leave it for about 1 to 60 minutes after it is brought into close contact with the application site and then peel it off. The use frequency is preferably about once a week to about once a day.

EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated concretely, this invention is not limited to the following Example. The following% display means mass% with respect to the total amount of the nonwoven fabric in the case of the nonwoven fabric, and mass% with respect to the total amount of the cosmetic material for the cosmetic that is the impregnating liquid.

First, evaluation methods of Examples and Comparative Examples described later will be described.
<Color tone stability confirmation test> The target nonwoven fabric-impregnated cosmetic was allowed to stand in a thermostatic chamber at 50 ° C for 2 months, and the color tone stability was visually evaluated according to the following criteria with a 0 ° C storage product as a control.
○: No change in color tone is observed Δ: A slight change in color tone is observed ×: A slight change in color tone is observed XX: A significant change in color tone is observed

<Use feeling confirmation test>
Non-woven fabric impregnated cosmetic is applied for 15 minutes to the inside of the upper arms of 25 healthy women, and the sensory evaluation of the feeling of use (softness, ease of application (elongation), fit) associated with the application is as follows. Judgment was made.
◎: More than 20 out of 25 people recognized as “soft / easy to apply (extensive) / fit” ○: 15 or more of 25 people less than 20 were “soft / applied” △: 10 out of 25 people and less than 15 people said “soft / easy to apply (extensive) / fit” X: Less than 10 out of 25 people recognized as "soft / easy to apply (extensive) / fit"

Next, the structure and product names of the nonwoven fabric materials used in the examples and comparative examples will be described. % Is mass% with respect to the total amount of the nonwoven fabric.
・ Nonwoven fabric (A)
Composition: 80% polyethylene terephthalate, 20% cotton, product name: 2ATEP2060 manufactured by Nisshinbo
・ Nonwoven fabric (B)
Composition: Polyethylene terephthalate 60%, Cotton 40%, Product name: 4ATEP2050 made by Nisshinbo
・ Nonwoven fabric (C)
Composition: 100% polyethylene terephthalate Product name: JP-80 made by Daiwabo Polytech
・ Nonwoven fabric (D)
Composition: 100% Cotton, Brand Name: Nisshinbo AP2060
・ Nonwoven fabric (E)
Composition: 100% rayon, Product name: Nisshinbo RP2060
・ Nonwoven fabric (F)
Composition: 80% rayon, 20% polyolefin, Product name: EW4080 manufactured by Japan Vilene
・ Nonwoven fabric (G)
Composition: PET 10%, rayon 35%, pulp 55%, product name: Sansho Paper Industry KP9580

Next, the blending amount of the cosmetic used as the impregnation liquid and the manufacturing method will be described. All compounding amounts are mass% with respect to the total amount of the cosmetic.

<Cosmetics 1>
(1) (Acrylic acid / alkyl acrylate (C10-30)) copolymer ^{(* 1)} 0.1
(2) Carbomer ^{(* 2)} 0.1
(3) Xanthan gum ^{(* 3)} 0.05
(4) Glycerin 3.0
(5) 1,3-butylene glycol 7.0
(6) Dipropylene glycol 5.0
(7) Tranexamic acid 2.0
(8) Ethanol 3.0
(9) Squalane 2.0
(10) Dimethylpolysiloxane (6 mPa · s) 1.5
(11) Decamethylcyclopentasiloxane 2.0
(12) PEG-60 hydrogenated castor oil 0.2
(13) Methyl paraben Appropriate amount (14) Trisodium edetate Appropriate amount (15) Sodium pyrosulfite Appropriate amount (16) Caustic potash Appropriate amount (17) Purified water Residual (* 1) Pemulen TR-2, manufactured by Lubrizol Advanced Materials (* 2) Carbopol 941, Lubrizol Advanced Materials (* 3) Keltrol, CP Kelco

Add (1), (2), and (3), which are thickeners, to (17) and dissolve sufficiently, and then add and dissolve (7), (14), (15), and (16). . Next, a solution obtained by dissolving (13) in (8) and (4), (5), and (6) are added to prepare an aqueous phase, and (12) is prepared in (9), (10), (11), and (12). Add heat-melted material and mix by stirring to prepare the oil phase part. Emulsified and mixed with a homomixer while gradually adding the oil phase part to the aqueous phase part at room temperature, filtered and cosmetic 1 Obtained.

<Cosmetics 2>
(1) Hydroxyethyl cellulose 0.05
(2) Dipropylene glycol 5.0
(3) Glycylglycine 1.5
(4) Ethanol 5.0
(5) Citric acid 0.01
(6) Sodium citrate 0.09
(7) PEG-60 hydrogenated castor oil 0.4
(8) Perfume appropriate amount (9) phenoxyethanol appropriate amount (10) edetate trisodium appropriate amount (11) sodium pyrosulfite appropriate amount (12) purified water residue

Add (3), (5), (6), (10), and (11) to (2) with (1) moistened and heated to 85 ° C. with stirring and mixing into (12) and completely dissolved. To dissolve. Further, (4) melted with (7) and (8) and (9) added were added, mixed with stirring, cooled to room temperature, and filtered to obtain cosmetic 2.

A nonwoven fabric-impregnated cosmetic is prepared by impregnating non-woven fabrics (A) to (G) 15 cm long and 5 cm wide with 9 times the weight of the non-woven fabric, and color tone based on the above evaluation criteria. Evaluation was performed by a stability confirmation test and a use feeling confirmation test. The results are shown in Table 1.

A color change was observed in the nonwoven fabric containing rayon. In addition to the rayon, a remarkable color change was observed in the nonwoven fabric containing pulp. As shown in Table 1, the nonwoven fabric-impregnated cosmetic using “nonwoven fabric containing 60% by mass or more of polyethylene terephthalate and 40% by mass or less of cotton” is excellent in the effect of suppressing discoloration, and is easy to use. It turns out that it is excellent.

Below, the formulation example of the nonwoven fabric impregnation cosmetics of this invention is shown as an Example.

Example 5
(Cosmetics prescription)
(1) Glycerin 5.0
(2) Polyoxyethylene methyl glucoside 1.0
(3) Tranexamic acid methylamide hydrochloride 0.7
(4) Ethanol 10.0
(5) Citric acid 0.02
(6) Sodium citrate 0.08
(7) PEG-60 hydrogenated castor oil 0.2
(8) Yellow 203 No. Appropriate amount (9) Methylparaben Appropriate amount (10) Trisodium edetate Appropriate amount (11) Purified water Residual (nonwoven fabric) Nisshinbo 2ATEP2080
(Impregnation magnification) 9.0 times (Manufacturing method) Add (3), (5), (6), and (10) to (11) and dissolve, then melt (7) and (9) In addition to (4), a solution dissolved by stirring is added. Further, (1), (2) and (8) were added, and after sufficiently stirring and mixing, the mixture was filtered to obtain a cosmetic. The non-woven fabric was impregnated with the present cosmetic so as to have an impregnation ratio of 9.0 times to obtain a non-woven fabric-impregnated cosmetic with a slight yellow color.

Example 6
(Cosmetics prescription)
(1) Carbomer ^{(* 2)} 0.20
(2) 4-methoxysalicylic acid potassium salt 1.0
(3) 1,3-butylene glycol 8.0
(4) PEG / PPG-14 / 7 dimethyl ether 1.0
(5) Tranexamic acid 2.0
(6) Glycylglycine 1.5
(7) Ethanol 3.0
(8) Sodium pyrosulfite appropriate amount (9) phenoxyethanol appropriate amount (10) edetate trisodium appropriate amount (11) purified water remaining (nonwoven fabric) Nisshinbo 2ATEP2080
(Impregnation magnification) 9.0 times (Manufacturing method) (11) The thickener (1) is added and dissolved sufficiently over time, and then (2) (3) (4) (5 ) (6) (8) (10) is added and dissolved. Furthermore, what stir-mixed (7) and (9) was added, and it filtered and obtained cosmetics. The cosmetic material was impregnated with the nonwoven fabric so as to have an impregnation ratio of 9.0 times to obtain a target nonwoven fabric-impregnated cosmetic material.

All of Examples 5 to 6 were excellent in color tone stability and excellent in use feeling (softness, ease of application (extensibility), fit feeling).

Claims (1)

A cosmetic containing 0.5 to 5.0% by mass of tranexamic acid, tranexamic acid methylamide hydrochloride and glycylglycine is impregnated into a nonwoven fabric containing 60 to 80% by mass of polyethylene terephthalate and 40 to 20% by mass of cotton. A nonwoven fabric impregnated cosmetic characterized by the above.