JP2019094281A - Skin cosmetic - Google Patents

Abstract

To provide a skin cosmetic that has excellent quick-drying properties and an excellent sensation of coolness, while having an excellent skin texture after application, and allowing the sensation of coolness to last.SOLUTION: A skin cosmetic contains following components (A), (B) and (C): (A) ethanol of 30 mass% or more and 99.9 mass% or less; (B) at least one liquid oil selected from hydrocarbon oil, ester oil and ether oil of 0.001 mass% or more and less than 0.1 mass%; and (C) menthol of 0.001 mass% or more and 7 mass% or less.SELECTED DRAWING: None

Description

  The present invention relates to a skin cosmetic having deodorant, refreshing feeling and the like.

  Cosmetics capable of imparting a refreshing feeling and a deodorant effect when applied to the skin are widely used, and such cosmetics include water, ethanol, menthol, powder and the like. For example, an antiperspirant deodorant composition containing hydroxyalkylated cyclodextrin, an antiperspirant active ingredient and water (Patent Document 1), an organic powder, a water-soluble inorganic salt, a surfactant, a cosmetic containing ethanol and water ( Patent document 2), polyurethane particles, anionic polymer, cosmetic composition containing ethanol and water (patent document 3), particles having specific strength and particle size, cosmetic composition containing ester oil, ethanol and water (patent document) 4) etc. are reported.

Japanese Patent Application Publication No. 2003-095906 JP 2004-262887 A International Publication No. 2015/146590 brochure JP, 2016-94362, A

However, in cosmetics containing a high concentration of ethanol and a refreshing agent such as menthol in order to obtain an excellent refreshing sensation, the quick-drying property is good but the high concentration of ethanol makes the skin bulky after application; There was a problem that the feeling did not last.
Therefore, an object of the present invention is to provide a skin cosmetic which has excellent quick-drying and cool feeling, has a good feel of the skin after application, and has a sustained cool feeling.

  Therefore, in addition to high concentration of ethanol and menthol as a result of various investigations to improve durability of the feel and refreshing feeling after applying the cosmetic containing the high concentration of ethanol and menthol to the skin, the present inventor The present invention has been completed by finding that a small amount of a specific liquid oil is blended to give a non-sticky feeling, no feeling of bulkiness after application to the skin, and also improve the durability of the refreshing feeling.

That is, the present invention provides the following components (A), (B) and (C),
(A) ethanol 30% by mass or more and 99.9% by mass or less (B) at least one liquid oil selected from hydrocarbon oil, ester oil and ether oil 0.001% by mass or more and less than 0.1% by mass; C) Menthol The present invention provides a skin cosmetic containing 0.001% by mass or more and 7% by mass or less.

  When the skin cosmetic composition of the present invention is used, it has an excellent quick drying property and a cool feeling, but also has a good feeling that the skin after application is not sticky and not bulky, and the refreshing feeling is sustained.

  The skin cosmetic composition of the present invention comprises (A) 30% by mass to 99.9% by mass of ethanol, and (B) at least one liquid oil selected from hydrocarbon oils, ester oils and ether oils of 0.001% by mass or more. It contains less than 0.1% by mass, and (C) menthol at 0.001% to 7% by mass.

  Component (A) in the skin cosmetic of the present invention is ethanol. Ethanol is used for the purpose of skin cosmetic medium, refreshing feeling, quick drying improvement and sterilization.

  The content of (A) ethanol in the skin cosmetic of the present invention is 30% by mass or more and 99.9% by mass or less from the viewpoint of imparting a refreshing sensation and improving fast drying. The content is 30% by mass or more from the viewpoint of imparting cooling feeling and quick drying, but 40% by mass or more is preferable, 45% by mass or more is more preferable, 50% by mass or more is more preferable, and 60% by mass or more is more preferable. Further, from the viewpoint of feeling that the skin is not bulky, 90 mass% or less is preferable, 85 mass% or less is more preferable, and 80 mass% or less is more preferable. Specifically, 35 mass% or more and 90 mass% or less are preferable, 40 mass% or more and 85 mass% or less are more preferable, 45 mass% or more and 85 mass% or less are more preferable, 50 mass% or more and 85 mass% or less Preferably, 60% by weight or more and 80% by weight or less are even more preferable.

Component (B) in the skin cosmetic composition of the present invention is at least one liquid oil selected from hydrocarbon oils, ester oils and ether oils. In the skin cosmetic of the present invention, these liquid oils contribute to the improvement of the feel of the skin after application of the cosmetic and the improvement of the sustainability of the refreshing feeling by blending a small amount thereof.
Liquid oil is oil that is liquid at 25 ° C. Among these liquid oils, an ester oil and an ether oil are more preferable, and an ester oil is more preferable, from the viewpoints of improving the feel of the skin after application and the sustainability of the refreshing feeling.

  As ester oil, isopropyl myristate, isopropyl palmitate, butyl stearate, cetyl 2-ethylhexanoate, lauryl methacrylate, methyl laurate, methyl oleate, ethyl oleate, coconut oil fatty acid methyl, isononanoate isononyl, isononane Fatty acid esters such as isotridecyl acid, hexyl laurate, 2-octyldodecyl myristate, 2-ethylhexyl palmitate; di-fatty acid glycol esters such as neopentyl glycol dicaprate, neopentyl glycol diethylhexanoate; diisopropyl adipate, diisobutyl adipate And dicarboxylic acid diesters such as diisopropyl sebacate, etc., and from the viewpoint of sustained cooling, difatty acid glycol esters are preferred, and dicapric acid O neopentyl glycol is more preferred. Moreover, as a hydrocarbon oil, dodecane, tetradecane, hexadecane, isododecane, isohexadecane, isoeicosan, squalane, liquid paraffin, isododecane, isohexadecane and the like can be mentioned. Further, examples of the ether oil include cetyl dimethyl butyl ether, dicaprylyl ether, dicaprylyl ether, dicaprylyl ether and the like. From the viewpoint of maintaining a refreshing feeling, for example, cetyl dimethyl butyl ether is preferable. These liquid oils may be used alone or in combination of two or more.

  The content of the liquid oil (B) in the skin cosmetic of the present invention is 0.001% by mass or more and less than 0.1% by mass from the viewpoint of improving the durability of the feel and the refreshing feeling of the skin after application. . If it is less than 0.001% by mass, the effect of improving the sustainability and feel of the skin after application can not be obtained, and if it is 0.1% by mass or more, the stickiness of the skin is increased and the refreshing feeling is weakened. From the viewpoint of improving the durability of skin feel and refreshing feeling after application, the content of the liquid oil (B) is preferably 0.005% by mass or more, more preferably 0.01% by mass or more, and 0. 09 mass% or less is preferable, 0.08 mass% or less is more preferable, and 0.07 mass% or less is more preferable. Specifically, 0.005% by mass or more and 0.09% by mass or less is preferable, 0.01% by mass or more and 0.08% by mass or less is more preferable, and 0.01% by mass or more and 0.07% by mass or less preferable.

  The content mass ratio (A / B) of the component (A) to the component (B) in the skin cosmetic of the present invention gives a refreshing feeling, quick drying improvement, feel of the skin after application, feel such as bulkiness, and refreshing feeling From the viewpoint of improving the durability, 300 or more is preferable, 800 or more is more preferable, 1000 or more is more preferable, 90000 or less is preferable, 70000 or less is more preferable, 30000 or less is more preferable, 10000 or less is still more preferable. Specifically, 300 or more and 90000 or less are preferable, 800 or more and 70000 or less are more preferable, 1000 or more and 30000 or less are more preferable, and 1000 or more and 10000 or less are more preferable.

Component (C) in the skin cosmetic of the present invention is menthol. Menthol functions as a refreshing agent (coolant) in the skin cosmetic of the present invention.
Menthol has several diastereomers, enantiomers, but it is preferred to use l-menthol. Also, menthol alone may be used, but essential oils containing menthol such as peppermint and spearmint may be used.

  The content of (C) menthol in the skin cosmetic of the present invention is 0.001% by mass or more and 7% by mass or less from the viewpoints of feeling of refreshing feeling, sustainability of refreshing feeling improvement, and feeling that the skin is not bulky is there. If the amount is less than 0.01% by mass, sufficient coolness and persistence of the coolness can not be obtained, and if it exceeds 7% by mass, a bulky feeling occurs on the skin. From the viewpoint of improving the durability of the refreshing feeling and the refreshing feeling, 0.005 mass% or more is preferable, 0.01 mass% or more is more preferable, and 0.05 mass% or more is more preferable. In addition, from the viewpoint of skin irritation, 6.5 mass% or less is preferable, 5 mass% or less is more preferable, 3.5 mass% or less is more preferable, 2 mass% or less is more preferable, 0.9 mass% or less Is more preferable, 0.8 mass% or less is more preferable, and 0.7 mass% or less is still more preferable. Specifically, 0.005% by mass or more and 5.5% by mass or less is preferable, 0.005% by mass or more and 2% by mass or less is more preferable, and 0.005% by mass or more and 0.9% by mass or less is more preferable. 0.01 mass% or more and 0.8 mass% or less are more preferable, and 0.05 mass% or more and 0.7 mass% or less are still more preferable.

  The content weight ratio (B / C) of the component (B) to the component (C) in the skin cosmetic of the present invention is from the viewpoint of the effect of improving the feel such as stickiness and bulkiness of the skin after application and refreshing feeling. 0.02 or more is preferable, 0.03 or more is more preferable, 0.04 or more is more preferable, 0.05 or more is more preferable, 50 or less is preferable, 30 or less is more preferable, 20 or less is more preferable 10 or less is further preferable, 5 or less is further preferable, and 0.3 or less is still more preferable. Specifically, 0.02 or more and 50 or less are preferable, 0.03 or more and 30 or less are more preferable, 0.04 or more and 20 or less are more preferable, 0.05 or more and 10 or less are more preferable, and 0.05 or more and 5 or less Is more preferably 0.02 or more and 0.3 or less.

  The skin cosmetic composition of the present invention is preferably used as a cosmetic composition, a deodorant, a moisturizing agent, or an insect repellent which imparts a refreshing sensation to the skin. Moreover, as a dosage form of the skin cosmetics of this invention, it is preferable to set it as the form of mist, a spray, or a lotion.

  In the skin cosmetic composition of the present invention, isopropylmethylphenol, 1,3-butylene glycol, glycerin, nonionic surfactant, carboxylic acid or its salt, water-soluble polymer, perfume, component Oil agents other than B), water, etc. can be contained.

The skin cosmetic composition of the present invention has a component (D) HLB value of 4 to 7 from the viewpoint of improving the persistence of the component (B) (C) on the skin and the durability of the refreshing feeling, and it is 25 ° C. It is preferable to contain a nonionic surfactant having a glyceryl group, which is liquid.
The liquid state at 25 ° C. refers to one having a viscosity of 100,000 mPa · s or less at 25 ° C.
The nonionic surfactant having an HLB value of 4 to 7 has a branched alkyl or alkenyl group having 8 to 22 carbon atoms, which is ether-linked or ester-bonded to a glyceryl group, or via an alkylene oxide group It is preferred that they are linked.

  The nonionic surfactant having a glyceryl group and having an HLB value of 4 to 7 and being liquid at 25 ° C. includes, for example, alkyl glyceryl ether, glycerin fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene glyceryl One or more selected from ether fatty acid esters, polyoxyethylene hydrogenated castor oil, polyoxyethylene hydrogenated castor fatty acid esters and the like are preferable. Among them, from the viewpoint of improving the persistence of the component (B) (C) on the skin and the durability of the refreshing feeling, one or more selected from alkyl glyceryl ethers and glycerin fatty acid esters are preferable, and further alkyl One or more selected from glyceryl ethers are preferred.

As such component (D), for example, isostearyl glyceryl ether (HLB 5.4), 2-ethylhexyl glyceryl ether (HLB 7), glyceryl monoisostearate (HLB 6), monoisostearic acid (polymerization degree 2) polyglyceryl (HLB 5) .5), Polyoxyethylene monoisostearate (5) hydrogenated castor oil (HLB 4), Polyoxyethylene monoisostearate (10) hydrogenated castor oil (HLB 5), Polyoxyethylene monoisostearate (15) hydrogenated castor oil (HLB 7) ), Polyoxyethylene triisostearate (10) hydrogenated castor oil (HLB 4), polyoxyethylene triisostearate (15) hydrogenated castor oil (HLB 5), polyoxyethylene triisostearate (20) hydrogenated castor oil (H) B6), triisostearate, polyoxyethylene (30) hydrogenated castor oil (HLB7) and the like.
Among them, isostearyl glyceryl ether, 2-ethylhexyl glyceryl ether, and glyceryl monoisostearate are preferable from the viewpoint of improving the persistence of the component (B) (C) on the skin and the durability of the refreshing feeling, and the feeling in use From the point of point of view, isostearyl glyceryl ether is preferred.

The content of the component (D) is preferably 0.01 to 1% by mass in the total amount of the cosmetic, from the viewpoint of improving the persistence on the skin and the durability of the refreshing feeling, and more preferably 0.01 to 0. It is 8% by mass, more preferably 0.01 to 0.5% by mass.
In the present invention, the HLB value is an index showing a hydrophile-lipophile balance, and in the present invention, a value calculated by the following equation by Oda and Teramura et al. Is used. The HLB value is the HLB of each nonionic surfactant before blending.

  Isopropylmethylphenol acts as a bactericidal component and a deodorant component when the skin cosmetic composition of the present invention is used as a deodorant. The content of isopropylmethylphenol in the skin cosmetic composition of the present invention is preferably 0.01% by mass or more and 0.2% by mass or less from the viewpoint of obtaining a sufficient bactericidal effect, the feeling in use, and the residual property on the skin. It is.

1,3-butylene glycol has an action of causing isopropylmethylphenol to remain on the skin, an action of improving long-term storage stability of isopropylmethylphenol, and the like.
The content of 1,3-butylene glycol in the skin cosmetic composition of the present invention is preferably 0.1% by mass or more and 10% by mass from the viewpoint of obtaining sufficient bactericidal action of isopropyl methyl phenol, and from the viewpoint of refreshing feeling and feeling of use. It is below.

  In the skin cosmetic composition of the present invention, in addition to the above components, polyoxyethylene polyoxypropylene decyl tetradecyl ether, polyether modified silicone, bactericidal agents other than isopropylmethylphenol, cooling agents other than menthol, antiperspirants, powders Body, other surfactants, water-soluble polymers, antioxidants, dyes, emulsion stabilizers, pH adjusters, astringents, preservatives, UV absorbers, chelating agents, moisturizers, thickeners, anti-inflammatory agents , Amino acids, vitamins, various plant extracts, water and the like. As the above-mentioned refreshing agent other than menthol, ethyl of N-ethyl-p-menthane-3-carboxamide (WS-3), N-[[5-methyl-2- (1-methylethyl) cyclohexyl] carbonyl] glycine Ester (3- (p-menthane-3-carboxamide) ethyl acetate; WS-5), N-ethyl-2,2-diisopropylbutanamide, N- (1,1-dimethyl-2-hydroxyethyl) -2, 2-diethylbutanamide, isopulegol, 3- (1-menthoxy) propane-1,2-diol, 3- (L-menthoxy) -2-methylpropane-1,2-diol, p-menthane-2,3- Menthadiol such as diol, p-menthan-3,8-diol, 6-isopropyl-9-methyl-1,4-dioxaspiro [4,5] decane 2-methanol, menthyl succinate and alkaline earth metal salts thereof, trimethylcyclohexanol, N-ethyl-2-isopropyl-5-methylcyclohexanecarboxamide, cyclohexaneamide, Japanese peppermint oil, peppermint oil, menthone, isomentone, menthon glycerol Ketal, menthyl lactate, 3- (L-menthoxy) ethane-1-ol, 3- (L-menthoxy) propan-1-ol, 3- (L-menthoxy) butan-1-ol, L-menthyl acetate N- Ethylamide, L-menthyl 4-hydroxypentanoate, L-menthyl 3-hydroxybutyrate, N, 2,3-trimethyl-2- (1-methylethyl) -butanamide, n-ethyl-trans-2-cis-6- Nonadiene amide, N, N-dimethylmentylsuccinic acid Amide, Menthyl pyrrolidonecarboxylate, xylitol, erythritol, erythritol, menthol ketal, substituted p-menthane, acyclic carboxamide, monomenthyl glutarate, substituted cyclohexaneamido, substituted said cyclohexanecarboxamide substituted, substituted menthanol Hydroxymethyl derivative of p-menthane, 2-mercapto-cyclodecanone, 2-isopropyl-5-methylcyclohexanol, menthyl acetate, menthyl salicylate, N, 2,3-trimethyl-2-isopropylbutanamide (WS-23) And icillin, camphor, borneol, eucalyptus oil, bornyl acetate, lavender oil, horseradish extract, horseradish extract and the like.

  Since the skin cosmetic composition of the present invention is used in various forms as described above, components (A) to (C) and other components are added, mixed, heated as necessary, and various It can be filled and manufactured in a container according to the form.

  The present invention will now be described in more detail by way of examples. In the examples,% means mass%.

Examples 1 to 25 and Comparative Examples 1 to 8
The mists shown in Table 1, Table 2 and Table 3 were produced, and the durability of quick drying after application, feeling in use (feel without stickiness and feeling without bulkiness), refreshing feeling and refreshing feeling were evaluated. The results are shown in Tables 1 to 3. The mists of Examples 24 and 25 produced a feeling of skin irritation but were preferable to those who preferred a strong refreshing feeling.

(Production method)
The components (A), (B), (C) and (D) were added, and the mixture was stirred and homogenized to obtain a skin cosmetic composition.
A spray product was obtained by filling 100 mL of each of the compositions in a commercially available trigger type spray container (non-aerosol type, 0.2 mm diameter of discharge port, volume 200 mL).

(Evaluation method)
(Evaluation of quick drying)
The spray product was sprayed once (about 0.1 g) onto the lower part of the ear (neck), and the dry feeling was evaluated immediately after application according to the following criteria. The results are shown by the average of 10 people.
<Evaluation criteria>
5: I feel dry very quickly.
4: I feel dry quickly.
3: I can not say either.
2: I do not feel much dry.
1: I do not feel dry.

(Evaluation of feeling of stickiness)
The spray product was sprayed once (about 0.1 g) onto the lower ear (neck) and dry after drying was evaluated based on the following criteria. The results are shown by the average of 10 people.
<Evaluation criteria>
5: Not sticky at all.
4: Not sticky
3: I can not say either.
2: somewhat sticky
1: Sticky.

(Evaluation of bulkiness of feeling of use)
The spray product was sprayed once (about 0.1 g) onto the lower ear (neck), and the bulkiness after drying was evaluated according to the following criteria. The results are shown by the average of 10 people.
<Evaluation criteria>
5: Not bulky at all.
4: Not bulky.
3: I can not say either.
2: Slightly bulky.
1: It takes time.

(Evaluation of coolness)
The spray product was sprayed once (about 0.1 g) onto the lower part of the ear (neck), and the refreshing feeling immediately after the application was evaluated according to the following criteria. The results are shown by the average of 10 people.
<Evaluation criteria>
Refreshing intensity 5: I feel a strong refreshing feeling.
Refreshing intensity 4: Slightly strong and refreshing.
Feeling coolness 3: Feeling cool.
Refreshing intensity 2: Feels slightly refreshing.
Refreshing intensity 1: Do not feel refreshing.

(Evaluation of sustainability of the refreshing feeling)
The spray product was sprayed once (about 0.1 g) onto the lower ear (neck), and after 120 minutes of application, the cooling feeling was evaluated according to the following criteria. The results are shown by the average of 10 people.
<Evaluation criteria>
Refreshing intensity 5: I feel a strong refreshing feeling.
Refreshing intensity 4: Slightly strong and refreshing.
Feeling coolness 3: Feeling cool.
Refreshing intensity 2: Feels slightly refreshing.
Refreshing intensity 1: Do not feel refreshing.

* 1: Este mall N-01 (made by Nisshin Oillio Group, Inc.)
* 2: Cetyl dimethyl butyl ether (manufactured by Kao Corporation)
* 3: 95% ethanol (manufactured by Japan Synthetic Alcohol Co., Ltd.)
* 4: l-Menthol (manufactured by Takasago Flavor Co., Ltd.)
* 5: Isopropyl methyl phenol (Osaka Chemical Co., Ltd.)
* 6: Concentrated glycerin (made by Kao Corporation)
* 7: 1,3-butylene glycol (KH Neochem Co., Ltd.)
* 8: Isostearyl glyceryl ether (manufactured by Kao Corporation)
* 9: Isopropyl palmitate (manufactured by Kao Corporation)
* 10: Isopropyl myristate (manufactured by Kao Corporation)
* 11: diisopropyl sebacate (manufactured by NOF Corporation)
* 12: Squalane (manufactured by Kishimoto Special Liver Oil Industry Co., Ltd.)

Example 26
(Lotion / Mist prescription)
95% ethanol * 3 ingredients (A) 70.0 (%)
Dicaprate neopentyl glycol * 1 ingredient (B) 0.05 (%)
Menthol * 4 ingredients (C) 0.1 (%)
Isopropyl methyl phenol * 5 0.1 (%)
Concentrated glycerin * 6 0.3 (%)
1-3 butylene glycol * 7 2.0 (%)
Isostearyl glyceryl ether * 8 ingredient (D) 0.02 (%)
Polyoxyethylene / methylpolysiloxane copolymer 0.01 (%)
Ginseng extract 0.1 (%)
Citric acid 0.2 (%)
Adipic acid 0.1 (%)
Polyoxyethylene lauryl ether (6E.O.) 0.1 (%)
Polyoxyethylene polyoxypropylene decyl tetradecyl ether 0.3 (%)
Monooleic acid polyoxyethylene sorbitan (20E.O.) 0.1 (%)
Polypropylene glycol 0.01 (%)
Lactate l-Menthyl 0.1 (%)
Flavoring agent 0.1 (%)
Purified water total balance 100.00

Claims (8)

Skin cosmetics containing the following components (A), (B) and (C).
(A) ethanol 30% by mass or more and 99.9% by mass or less (B) at least one liquid oil selected from hydrocarbon oil, ester oil and ether oil 0.001% by mass or more and less than 0.1% by mass (C) Menthol 0.001 mass% or more and 7 mass% or less   The skin cosmetic according to claim 1, wherein the component (B) is one or more selected from ester oil and ether oil.   The skin cosmetic according to claim 1 or 2, wherein the component (B) is one or more selected from ester oils.   The skin cosmetic according to any one of claims 1 to 3, wherein the content of the component (B) is 0.001% by mass or more and 0.09% by mass or less.   The skin cosmetic according to any one of claims 1 to 4, wherein the content mass ratio (B / C) of the component (B) to the component (C) is 0.3 or less.   The skin cosmetic according to any one of claims 1 to 5, further comprising a nonionic surfactant having a glyceryl group which has a component (D) HLB value of 4 to 7 and is liquid at 25 ° C.     The skin cosmetic according to any one of claims 1 to 6, which is a deodorant agent.   The skin cosmetic according to any one of claims 1 to 7, wherein the dosage form is a mist, a spray or a lotion.