JP6517006B2 - Skin cosmetics - Google Patents

Description

  The present invention relates to a skin cosmetic.

  Skin cosmetics applied to the skin of the human face such as cheeks and eyes and skin, neck muscles, shoulder muscles, etc. are required to improve the feeling of spreading and firming on the skin, improve the feeling of use, and maintain the moisturizing effect Be In order to meet such demands, a method containing a glycerin derivative and polyethylene glycol has been proposed (Patent Document 1).

JP, 2012-197253, A

  However, Patent Document 1 is satisfactory in that the blending amount of liquid glycerin derivative and polyethylene glycol having an average molecular weight of 1000 to 5000 is large relative to solid polyethylene glycol having an average molecular weight of 10000 to 50000, and it is sticky. It was not.

  In order to achieve at least a part of the above-mentioned problems, the present invention can be implemented as the following modes.

  (1) According to one aspect of the present invention, a skin cosmetic is provided. This skin cosmetic contains the following components (a) to (c), (a) alkyl glucoside derivative; (b) polyethylene glycol; (c) polymer compound; component (b) polyethylene glycol content 0.1 to 10.0% by mass (hereinafter described as wt%). According to the skin cosmetic of this aspect, after the component (b) polyethylene glycol is contained at a small content of 0.1 to 10.0 wt%, after ensuring the expansion and firmness on the skin, It can improve the feeling of use and maintain the moisturizing effect.

  The component (a) alkyl glucoside derivative in the skin cosmetic of the above embodiment is a liquid component and functions as a surfactant and a lubricant, and its composition and the like are not particularly limited. For example, methyl glucose-10, methyl glucose-20, PPG-10 methyl glucose, PPG-20 methyl glucose, alkyl (C12-20) glucoside, decyl glucoside, hydroxystearyl glucoside, polyoxypropylene carboxyalkyl (C14-18) diglucoside, lauryl Glucoside, (C12-20) alkyl glucoside, etc. can be used. Among them, methyl gluceth-10, methyl gluceth-20, PPG-10 methyl glucose and PPG-20 methyl glucose from the viewpoint of application feeling, spreading on the skin, rich feeling of use, durability of moisturizing effect and giving firmness to the skin It is preferable to use one or two or more selected.

  Component (b) Polyethylene glycol is a wax-like or paste-like solid polymer compound, is water-soluble, and can have various molecular weights by changing the degree of polymerization. There are no particular limitations on the composition, molecular weight, etc., of this component (b) polyethylene glycol, as long as it is waxy or paste-like and functions as a lubricant. For example, as polyethylene glycol having a molecular weight of 1000 or more, PEG-20, PEG-40, PEG-75, PEG-150, PEG-400 and the like can be used. Among them, one or two selected from PEG-75, PEG-150, and PEG-400 from the viewpoint of application feeling, spreading on the skin, rich feeling of use, durability of moisturizing effect and firmness on the skin It is preferable to use the above.

  There are no particular limitations on the composition, molecular weight and the like of the component (c) polymer compound as long as it functions as a viscosity modifier. For example, using carbomer, acrylate resin, (acrylate / alkyl acrylate (C10-30)) cross polymer, sodium polyacrylate, polyvinyl alcohol, cellulose gum, xanthan gum, gum arabic, guar gum, sodium carboxymethyl starch etc. it can. Among them, one or two or more selected from carbomer, cellulose gum and xanthan gum from the viewpoint of application feeling, spreading on skin, rich feeling of use, durability of moisturizing effect and firmness on skin preferable.

  (2) In the skin cosmetic of the above embodiment, the content of the component (a) alkyl glucoside derivative may be 0.1 to 10.0 wt%. With such content, the component (a) alkyl glucoside derivative can create a moist feeling.

It is explanatory drawing which writes together and shows the content and evaluation result for every component about the Example of skin cosmetics ML, and its comparative example. It is explanatory drawing which writes together and shows each component content at the time of changing the condition of content of the component (a) alkyl glucoside derivative by an Example and a comparative example, and an evaluation result. It is explanatory drawing which writes together and shows each component content at the time of changing the condition of content of a component (c) polymer compound by an Example and a comparative example, and an evaluation result.

  Hereinafter, embodiments of the present invention will be described in detail.

  Next, the prescription of the skin cosmetic ML will be described. FIG. 1 is an explanatory view showing the content of each component and the evaluation result for an example of the skin cosmetic ML and its comparative example. As illustrated, the skin cosmetic ML of the present embodiment contains component (a) an alkyl glucoside derivative, polyoxyethylene methyl glucoside, component (b) polyethylene glycol, and component (c) a polymer compound. . In addition, the skin cosmetic ML contains various components assumed to be beneficial in general skin cosmetics as illustrated. In FIG. 1, each component other than the components (a) to (c) is, for example, a pH adjuster, a preservative, a metal sequestering agent, a viscosity modifier, a solvent other than purified water, a solubilizer, a flavoring agent, and wetting. As an agent etc., it is used similarly to general skin cosmetics. In addition, the value which shows component content of the Example of FIGS. 1-3, and a comparative example shows mass% (wt%), unless there is particular description.

  Component (a) The alkyl glucoside derivative is a liquid, functions as a mild surfactant and a wetting agent as a cosmetic, and can be purified by the existing method. As shown in FIG. 1, the skin cosmetic ML according to the present embodiment contains, as the component (a) alkyl glucoside derivative, for example, methyl gluceth-20 at a content in the range described later. Component (b) Polyethylene glycol is a wax-like polymer compound, is water soluble, is purified by an existing method, and can be obtained as various medicines, reagents, wetting agents and the like. Skin cosmetics ML of this embodiment, as shown in FIG. 1, as this component (b) polyethylene glycol, for example, polyethylene glycol 4000 (PEG-75), polyethylene glycol 6000 (PEG-150), polyethylene glycol 20000 (PEG) PEG-400) is included at a content of one or more kinds in the range described later. Component (c) The polymer compound is available as a viscosity modifier, and in this embodiment, contains, for example, carbomer, cellulose gum, xanthan gum. These high molecular weight compounds such as carbomer, cellulose gum and xanthan gum function as viscosity modifiers, and therefore they are contained as beneficial for the retention of the coating feeling, and the content is a content that can be generally adopted as skin cosmetic ML It is.

  Although various components other than the components (a) to (c) shown in FIG. 1 can be appropriately selected and adopted, in the skin cosmetic ML of the present embodiment, the contents illustrating all the respective components illustrated To contain it. In addition, you may make it contain skin cosmetics ML of this embodiment also about components other than the above employ | adopted normally as general skin cosmetics ML.

  Skin cosmetics ML containing each component shown in FIG. 1 are prepared and refined by the existing method. For example, component (a) alkyl glucoside derivative, component (b) polyethylene glycol and other appropriate components are dissolved in a bath as the same phase, and then other components including component (c) polymer compound are sequentially Mix and stir.

  Next, examples and comparative examples included in the skin cosmetic ML of the present embodiment will be described using the drawings after FIG. 1. Examples 1 to 6 and Comparative Examples 1 to 2 shown in FIG. 1 compare other components (a) alkyl glucoside derivative and component (c) in order to compare the benefits of the adopted component (b) polyethylene glycol of the present invention. The polymer compound and the other components all had the same content. In addition, various components other than the components (a) to (c) shown in FIG. 1 have the same content, because the effects of including these components are excluded to evaluate the above-mentioned benefits. did. The same applies to FIG.

  About each Example and each comparative example which refine | purified by the component content shown in FIG. 1, it evaluated as follows about a coating feeling, the spread on skin, a feeling of use, stickiness, moisture retention, and a feeling of firmness.

The sense of application was applied to 10 female panelists using each of the skin cosmetics ML of each of Examples 1 to 6 and Comparative Examples 1 to 2 on a predetermined skin surface such as the cheek, and each panelist A sensory evaluation was obtained for the application feeling of the skin cosmetic ML. The coating feeling in FIG. 1 was evaluated in four steps as follows.
◎: 8 to 10 persons judged that the coating feeling was good. ;
○: 5 to 7 persons judged that the application feeling was good. ;
Fair: 3 to 4 persons judged that the coating feeling was good. ;
X: 0 to 2 persons judged that the application feeling was good.

Spreading on the skin was done by using 10 female panelists on each of the skin cosmetics ML of each of Examples 1 to 6 and Comparative Examples 1 to 2 on a predetermined skin surface such as the cheek, from each panelist. Sensory evaluation was obtained for the spread on the skin for each skin cosmetic ML. The spread on the skin in FIG. 1 was evaluated in four steps as follows.
◎: 8 to 10 people judged that the spread was light and smooth. ;
○: 5 to 7 people judged that the spread was light and smooth. ;
Fair: 3 to 4 persons judged that the spread was light and smooth. ;
X: 0 to 2 people judged that the spread was light and smooth.

The feeling of use was scooped up using 10 skin panelists for each of the skin cosmetics ML of each of Examples 1 to 6 and each of Comparative Examples 1 to 2 on a predetermined skin surface such as the cheek, A sensory evaluation was obtained for the feeling of use for the skin cosmetic ML. The feeling of use in FIG. 1 was evaluated in four steps as follows.
◎: 8 to 10 people were judged to have a rich feeling of use. ;
○: 5 to 7 persons judged that the feeling of use was rich. ;
Fair: 3 to 4 people judged that the feeling of use was rich. ;
X: It was determined that 0 to 2 persons had a rich feeling of use.

The tackiness was applied to 10 female panelists using each of the skin cosmetics ML of each of Examples 1 to 6 and each of Comparative Examples 1 and 2 on a predetermined skin surface such as the cheek, and each skin from each panelist. A sensory evaluation was obtained on the stickiness of the cosmetic ML. The stickiness in FIG. 1 was evaluated in four steps as follows.
◎: 8 to 10 people judged that stickiness was low. ;
○: 5 to 7 people judged that stickiness was low. ;
Fair: 3 to 4 people judged that stickiness was low. ;
X: 0 to 2 people judged that stickiness was low.

The moisturizing feeling is applied to 10 female panelists using each of the skin cosmetics ML of each of Examples 1 to 6 and Comparative Examples 1 to 2 on a predetermined skin surface such as the cheek, and A sensory evaluation was obtained for the moisturizing feeling of the skin cosmetic ML. The moisturizing feeling in FIG. 1 was evaluated in four steps as follows.
◎: 8 to 10 people judged that the excellent moisturizing effect was sustained. ;
○: 5 to 7 people judged that the excellent moisturizing effect was sustained. ;
Δ: 3 to 4 people judged that the excellent moisturizing effect was sustained. ;
X: 0 to 2 people judged that the excellent moisturizing effect was sustained.

A sense of firmness was felt using 10 female panelists using each of the skin cosmetics ML of each of Examples 1 to 6 and Comparative Examples 1 to 2 on a predetermined skin surface such as the cheek, and each panelist A sensory evaluation was obtained for the feeling of firmness for the skin cosmetic ML. The feeling of firmness in FIG. 1 was evaluated in four steps as follows.
◎: 8 to 10 people judged that the skin was firm. ;
○: 5 to 7 people judged that the skin was firm. ;
Fair: 3 to 4 persons judged that the skin was firm. ;
X: 0 to 2 people judged that the skin was firm.

  As is clear from FIG. 1, in each of Examples 1 to 6, good application feeling and spreading on the skin were obtained, and the feeling of use was rich and less sticky, and the moisturizing effect was also sustained. It was possible to obtain an excellent and suitable feeling of firmness. On the other hand, in Comparative Example 1, the maintenance of the moisturizing effect was lacking, and in Comparative Example 2, the suppression of stickiness was insufficient. Comparative Example 1 is different from Examples 1 to 6 only in that the component (b) does not contain polyethylene glycol at all, and the other component (a) alkyl glucoside derivative and the component (c) Example 1 for the polymer compound Contain at the same content as ~ 6. In Comparative Example 2, the content of the component (b) polyethylene glycol is different, and the other components (a) alkyl glucoside derivative and the component (c) polymer compound are the same as in Examples 1 to 6. Contain in content. However, according to the skin cosmetic ML of the example, the component (b) polyethylene glycol (polyethylene) (polyethylene glycol (polyethylene), because the comparative example 1 lacks the persistence of the moisturizing effect and the comparative example 2 has insufficient suppression of stickiness. Glycol 4000 (PEG-75), polyethylene glycol 6000 (PEG-150), polyethylene glycol 20000 (PEG-400)), component (a) alkyl glucoside derivative (methyl glucose-20) and component (c) polymer compound (carbomer) And cellulose gum (xanthan gum), so that they all have good coating feeling and spreading on the skin, and they have a rich feeling of use, little stickiness, and excellent retention of moisturizing effect, which is preferable. You can get a sense of stiffness.

  Skin cosmetics ML of Examples 1-6 consist of one kind of polyethylene glycol 4000 (PEG-75), polyethylene glycol 6000 (PEG-150) and polyethylene glycol 20000 (PEG-400) as component (b) polyethylene glycol. Or it contains two types, and the content range contains in the range of 0.1-10.0 wt%. Therefore, when the component (b) polyethylene glycol is contained at a content of 0.1 to 10.0% by weight, good coating feeling and spreading on the skin can be obtained, and the feeling in use is also rich and less sticky. The durability of the moisturizing effect is excellent, and a suitable firm feeling can be obtained. Furthermore, if component (b) polyethylene glycol is contained in the range of 0.5 to 5.0 wt%, a richer feeling of use can be obtained, and the durability of the moisturizing effect is excellent.

  Next, the utility of the adopted component (a) alkyl glucoside derivative of the present invention will be described. FIG. 2: is explanatory drawing which writes together and shows each component content at the time of changing the condition of content of the component (a) alkyl glucoside derivative by an Example and a comparative example, and an evaluation result. Examples 7 to 12 and Comparative Examples 3 to 4 shown in FIG. 2 compare component (b) polyethylene glycol with component (c) polymer compound in order to compare the benefits of the adopted (a) alkyl glucoside derivative of the present invention. All other ingredients had the same content.

  The application feeling, the spread on the skin, the feeling in use, the stickiness, the moisturizing property and the firmness were evaluated as described above for each example and each comparative example purified with the component content shown in FIG. Then, as is clear from FIG. 2, in each of Examples 7 to 12, good application feeling and spread on the skin were obtained, and the feeling of use was rich and the stickiness was small, and the moisturizing effect was sustained. It was also possible to obtain a good feeling of stiffness. On the other hand, in Comparative Example 3, the persistence of the moisturizing effect and the feeling of firmness were lacking, and in Comparative Example 4, the suppression of stickiness was insufficient. Comparative Example 3 is different from Examples 7 to 12 only in that the component (a) does not contain an alkyl glucoside derivative at all, and Example 7 for the other component (b) polyethylene glycol and the component (c) polymer compound. Contain at the same content as. In Comparative Example 4, the content of the component (a) alkyl glucoside derivative is different, and the other components (b) polyethylene glycol and the component (c) polymer compound are the same as in Examples 7 to 12. Contain in content. However, according to the skin cosmetic agent ML of the example, the component (a) alkyl is poor because the comparative example 3 lacks the persistence and firmness of the moisturizing effect and the suppression of stickiness is insufficient in the comparative example 4. A glucoside derivative (methyl glucose-10, methyl glucose-20, PPG-10 methyl glucose, PPG-20 methyl glucose), component (b) polyethylene glycol (polyethylene glycol 6000 (PEG-150)) and component (c) polymer compound (c) Because it contains together with carbomer, cellulose gum, xanthan gum), it has good application feeling and spread on the skin, and it has a rich feeling of use, less stickiness and excellent retention of moisturizing effect, which is preferable. You can get a sense of

  The skin cosmetic ML of Examples 7 to 12 contains one or two or more types of methyl gluceth-10, methyl gluceth-20, PPG-10 methyl glucose and PPG-20 methyl glucose as the component (a) alkyl glucoside derivative. The content range thereof is in the range of 0.1 to 10.0 wt%. Therefore, when the component (a) alkyl glucoside derivative is contained in a content of 0.1 to 10.0 wt%, good coating feeling and spreading on the skin can be obtained, and also the feeling of use is rich and sticky. There is little and it is excellent also in the sustainability of a moisturizing effect, and can obtain a suitable firm feeling. Furthermore, when the component (a) alkyl glucoside derivative is contained in the range of 0.5 to 5.0 wt%, a rich feeling of use can be obtained, and the durability of the moisturizing effect is excellent.

  Next, the advantages brought about by the component (c) polymer compound (carbomer, cellulose gum, xanthan gum) will be described. FIG. 3: is explanatory drawing which writes together and shows each component content at the time of changing the condition of content of a component (c) high molecular compound by an Example and a comparative example, and an evaluation result. Examples 13 to 20 shown in FIG. 3 and Comparative Example 5 compare the component (a) alkyl glucoside derivative with the component (b) polyethylene glycol and to compare the benefits of the adopted component (c) polymer compound according to the present invention. All other ingredients had the same content.

  The application feeling, the spread on the skin, the feeling in use, the stickiness, the moisturizing property and the firmness were also evaluated as described above for each example and each comparative example purified with the component content shown in FIG. 3. Then, as is clear from FIG. 3, in each of Examples 13 to 20, after obtaining a good coating feeling and spreading on the skin, the feeling of use is rich and the stickiness is small, and the sustainability of the moisturizing effect is It was also possible to obtain a good feeling of stiffness. On the other hand, in Comparative Example 5, the durability of the moisturizing effect and the feeling of firmness and feeling of use were lacking. Comparative Example 5 is different from Examples 13 to 20 only in that it does not contain the component (c) polymer compound at all, and the other component (a) alkyl glucoside derivative and the component (b) polyethylene glycol Example 13 Contain at the same content as ~ 20. However, according to the skin cosmetic ML of the example, component (c) the polymer compound (carbomer, cellulose gum, xanthan gum, etc., since Comparative Example 5 lacks the persistence and firmness and feeling of use of the moisturizing effect. And (b) polyethylene glycol (polyethylene glycol 20000 (PEG-400)) together with the component (a) alkyl glucoside derivative (methyl gluceth-20) and the component (b), all have a good coating feeling and spreading on the skin. After being obtained, the feeling of use is rich and less sticky, and the durability of the moisturizing effect is excellent, and a suitable feeling of firmness can be obtained.

  The skin cosmetic ML of Examples 13 to 20 contains one or more kinds of carbomer, cellulose gum and xanthan gum as the component (c) polymer compound, and the content range thereof is 0.01 to 2.0 wt. It contains in the range of%. Therefore, when the component (c) polymer compound is contained in a small amount of 0.01 to 2.0 wt%, good coating feeling and spreading on the skin can be obtained, and also the feeling of use is rich and sticky. Also, the durability of the moisturizing effect is excellent, and a suitable firm feeling can be obtained. Furthermore, when the component (c) polymer compound is contained in a range of 0.05 to 1.0 wt%, a rich feeling of use can be obtained, and the durability of the moisturizing effect is excellent.

  The present invention is not limited to the above-described embodiment, and can be realized in various configurations without departing from the scope of the invention. For example, the technical features of the embodiment corresponding to the technical features in the respective forms described in the section of the summary of the invention can be used to solve some or all of the problems described above, or a part of the effects described above It is possible to replace or combine as appropriate to achieve all or all. Also, if the technical features are not described as essential in the present specification, they can be deleted as appropriate.

Claims (1)

Skin cosmetics to be applied to human skin,
The following components (a) to (c) are contained,
(A) alkyl glucoside derivatives;
(B) polyethylene glycol;
(C) macromolecular compounds;
The content of the component (a) alkyl glucoside derivative is 0.7 to 3.0 wt%,
The content of component (b) polyethylene glycol is 1.0 to 3.0 wt% ,
The content of the component (c) polymer compound is 0.1 to 0.5 wt%,
Component (a) is one or more alkylglucoside derivatives selected from methylgluceth-10 and methylgluceth-20,
Component (b) is polyethylene glycol having an average molecular weight of 1000 or more, and is one or more polyethylene glycols selected from polyethylene glycol 6000 and polyethylene glycol 20000,
Skin cosmetics whose component (c) is a high molecular compound containing a cellulose gum at least .

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