JP2002370958A - Liquid cosmetic material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a liquid cosmetic material having less irritation, a deodorant effect and a good touch feeling by solving problems in that triclosan, etc., blended in a sweat-controlling cosmetic material as a bactericide has a strong irritation and a bad touch feeling, since its touch feeling to skin includes a rough feeling and too strong fresh feeling. SOLUTION: This liquid cosmetic material is blended with the following (A) to (C) (A) 0.05-5.0 wt.% chlorinated methacrylic acid choline ester copolymer. (B) 10.0-50.0 wt.% ethanol (C) 0.5-3.0 wt.% zinc sulfocarbolate and/or 0.5-10.0 wt.% aluminum hydroxychloride.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic having a deodorant effect which is liquid, less irritating and feels good. In particular, it relates to an antiperspirant cosmetic.

[0002]

2. Description of the Related Art Conventionally, cosmetics have been used to maintain healthy and beautiful skin and hair. However, microorganisms proliferate due to high temperature, high humidity and sweating in summer, which is not preferable for hygiene. In addition, the generation of unpleasant odors is a problem in health and hygiene.

[0003] For this purpose, a method has been hitherto known in which a fungicide such as triclosan is blended to suppress the growth of bacteria.

[0004]

However, although these germicides are excellent in bactericidal effect against bacteria, they have a strong irritation, and the skin feels too bulky or too refreshing, and the feeling is poor. Had the disadvantage that

When the choline chloride methacrylate copolymer is used alone, it has a drawback that it is irritating.

[0006]

Means for Solving the Problems The present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, the following (A) to
It has been found that the above object can be achieved by blending the component (C), and the present invention has been completed.

That is, the cosmetic of the present invention comprises: (A) a choline methacrylate chloride copolymer 0.0
5 to 5.0% by weight (B) 10.0 to 50.0% by weight of ethanol (C) 0.5 to 3.0% by weight of zinc sulfocarbonate and / or 0.5 to 10.0 of aluminum hydroxychloride
% By weight (A) to (C).

[0008] The cosmetic of the present invention is further characterized in that 0.01 to 1.0% by weight of isopropylmethylphenol is added.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Each component used in the cosmetic of the present invention will be specifically described below. First, 0.05 to 5.0% by weight of the choline chloride methacrylate copolymer is blended. More preferably, 0.2 to 2.0% by weight
It is. When the blending amount of the choline chlorinated methacrylic acid ester copolymer is less than 0.05% by weight, the feel at the time of use is not smooth, and when it is more than 5.0% by weight, irritation to the skin or the like is felt, which is preferable. Absent.

Ethanol can be denatured ethanol as long as it can be used in cosmetics and external preparations, and is not particularly limited. The compounding amount is 10.0 ~
50.0% by weight, preferably 15.0 to 30.0%
% By weight. If the amount of ethanol is less than 10.0% by weight, a sufficient deodorant effect cannot be obtained,
If it exceeds 50.0% by weight, skin irritation occurs, which is not preferable.

The zinc sulfocarbonate is not particularly limited as long as it can be used in cosmetics and external preparations. The compounding amount is 0.5 to 3.0% by weight, preferably 1.0 to 2.0% by weight. If the amount of zinc sulfocarbonate is less than 0.5% by weight, it will not be liquid and cannot be used as a lotion. On the other hand, if the content is more than 3.0% by weight, skin irritation is felt, which is not preferable.

The aluminum hydroxychloride is not particularly limited as long as it can be used in cosmetics and external preparations. The compounding amount is 0.5 to 10.0% by weight, preferably 1.0 to 3.0% by weight. When the amount of aluminum hydroxychloride is less than 0.5% by weight,
It does not become liquid and cannot be used as lotion. Also, 10.
If it exceeds 0% by weight, skin irritation is felt, which is not preferable.

Further, isopropylmethylphenol is
There is no particular limitation on isopropylmethylphenol that can be used in cosmetics and external preparations. The amount is 0.01 to 1.0% by weight, preferably 0.05 to 0.5% by weight. If the amount of isopropylmethylphenol is less than 0.01% by weight,
It has a weak deodorant effect and is not suitable as an antiperspirant. Also, 1.
If it exceeds 0% by weight, skin irritation is felt, which is not preferable.

Further, as the components that can be used in the present invention, any components other than those described above can be blended within a qualitative and quantitative range that does not impair the effects of the present invention. An emulsifier, an oily component, a surfactant, a humectant, an antioxidant, a preservative, a fragrance, various vitamins, a chelating agent, a coloring agent, a thickener, an ultraviolet absorber, a medicinal component and the like can be blended.

In particular, for the purpose of the deodorant effect,
To the extent that the preparation does not impair the stability over time and does not cause skin irritation, phenoxyethanol, benzoic acid,
Fungicides 101, 201, 201, 401, pyroctone olamine, chlorhexidine gluconate, dehydroacetic acid, salicylic acid, paraoxybenzoate, triclosan, hinokitiol, hexachlorophene, etc. It is preferable to mix them.

For the purpose of alleviating irritation, a licorice derivative such as allantoin, placenta extract, ceramide, stearyl glycyrrhetinate, a humectant such as vitamin E, sodium hyaluronate, and the like, as long as the stability with time of the preparation is not impaired. Is preferably blended.

Further, an oil component can be blended as a feel modifier, and the oil component is not particularly limited as long as it is an oil component that can be used in cosmetics and external preparations. Preferably, liquid oils of hydrocarbons such as liquid paraffin and liquid isoparaffin, safflower oil, soybean oil, evening primrose oil, grape seed oil, rosehip oil, kukui nut oil, almond oil, sesame oil, wheat germ oil, corn oil, cottonseed oil , Avocado oil, olive oil, camellia oil, persic oil,
Castor oil, peanut oil, hazelnut oil, macadamia nut oil, medofoam oil, vegetable liquid oil such as jojoba oil, cetyl 2-ethylhexanoate, isopropyl myristate, isopropyl palmitate, isononyl isononanoate, 2-hexyldecyl isostearate And esters such as isostearyl myristate, glyceryl tri-2-ethylhexanoate, dialkyl carbonate, and tri (caprylic / capric acid) glycerin. Furthermore, silicone oil can be blended, and is not particularly limited as long as it can be used in cosmetics and external preparations. Preferably, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane , Methylcyclopolysiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, methylpolysiloxane and the like.

Further, the cosmetic of the present invention is prepared by dissolving copper chlorophyll in an oily component,
It is preferable to mix by weight%.

In the present invention, it is preferable to use Salcare SC96 (trade name, manufactured by Ciba Specialty Chemicals), which is a mixture of a choline chloride methacrylate copolymer, a surfactant and an oily component.

More preferably, trehalose is added to 1.0
３3.0% by weight.

Further, it is preferable to add 0.01 to 1.0% by weight of a menthol derivative such as menthol or menthyl pyrrolidonecarboxylate since the refreshing feeling is increased.

Next, the present invention will be described more specifically with reference to examples and comparative examples. In the following, the compounding amount is% by weight. The evaluation as a deodorant cosmetic was carried out by a monitor of 10 men and 10 women. Evaluation items were skin irritation, deodorant effect, dry feeling during application, moist feeling after application, and stability of the preparation. Apply the deodorant effect at 9am and apply at 2pm
The generation of odor at the time was evaluated.

Example 1, Comparative Examples 1 to 4 Cosmetics were prepared according to the formulation shown in Table 1 below. The obtained test cosmetics were evaluated for irritation, deodorant effect, dry feeling during application, moist feeling after application, and stability of the preparation. The evaluation was performed according to the following criteria. Table 1 also shows the obtained results. ◎: extremely good ○: no problem x: bad

[0024]

[Table 1]

Salcare SC96 in Table 1 is a product of Ciba Specialty Chemicals, Inc., made of choline chloride methacrylate copolymer, propylene glycol di (capryl / caprate) and polyoxyethylene / polyoxypropylene / tridecyl alcohol. It is a mixture.

SENSIVA SC50 in Table 1 is octoxyglycerin manufactured by Seiwa Supply.

As is clear from the evaluation results in Table 1 above,
In Example 1, it can be seen that good deodorant cosmetics can be obtained with respect to irritation, deodorant effect, smoothness during application, and moistness after application. In contrast,
If the amount of ethanol is too small as in Comparative Example 1,
Although it is less irritating, it has a weak deodorant effect, does not give a dry feel, and is not suitable as a deodorant cosmetic. On the other hand, if the amount of ethanol is too large as in Comparative Example 2, the refreshing feeling and deodorant effect of ethanol are produced but the stimulation becomes strong, the moist feeling is lost, and the composition is not suitable as an antiperspirant. Further, when the amount of the monkey SC96 as in Comparative Example 3 is too small, the feeling such as a dry feeling and a moist feeling at the time of use is remarkably reduced, which is not suitable as a deodorant cosmetic. Also,
If the amount of Salcare SC96 is too large as in Comparative Example 4, the texture of the polymer becomes strong and the feeling of dryness and moistness is lost.

Example 2, Comparative Examples 5 and 6 Cosmetics were prepared according to the formulation shown in Table 2 below. The obtained test cosmetics were evaluated for irritation, deodorant effect, dry feeling during application, moist feeling after application, and stability of the preparation. In addition, the usability as a lotion was confirmed using a mist-shaped container with a discharge part. The evaluation was performed according to the following criteria. The obtained results are also shown in Table 2. ◎: extremely good ○: no problem x: bad

[0029]

[Table 2]

Salcare SC96 in Table 2 is a product of Ciba Specialty Chemicals Co., Ltd., made of choline chloride methacrylate copolymer, propylene glycol di (capryl / caprate) and polyoxyethylene / polyoxypropylene / tridecyl alcohol. It is a mixture.

SENSIVA SC50 in Table 2 is octoxyglycerin manufactured by Seiwa Supply.

As is clear from the evaluation results in Table 2,
In Example 2, irritation, a deodorant effect, a dry feeling during application, and a moist feeling after application are also good, and a mist-like mist is obtained even when using a container having a mist-like discharge section, and a good liquid It can be seen that a deodorant cosmetic can be obtained. On the other hand, if the blending amount of sulfocalcium zinc carbonate is too small as in Comparative Example 5, the irritation is low, but the deodorant effect is weak, and the discharge portion is poorly discharged in a mist-like container, which is not suitable as a liquid cosmetic. . On the other hand, if the amount of the sulfonite zinc carbonate is too large as in Comparative Example 6, the skin is too irritating and has no moist feeling, and is not suitable as a deodorant cosmetic.

Example 3, Comparative Examples 7 and 8 Cosmetics were prepared according to the formulation shown in Table 3 below. The obtained test cosmetics were evaluated for irritation, deodorant effect, dry feeling during application, moist feeling after application, and stability of the preparation. In addition, the usability as a lotion was confirmed using a mist-shaped container with a discharge part. The evaluation was performed according to the following criteria. Table 3 also shows the obtained results. ◎: extremely good ○: no problem x: bad

[0034]

[Table 3]

Salcare SC96 in Table 3 is a product of Ciba Specialty Chemicals Co., Ltd., made of chlorinated choline methacrylate copolymer, di (caprylic / capric acid) propylene glycol, and polyoxyethylene / polyoxypropylene / tridecyl alcohol. It is a mixture.

SENSIVA SC50 in Table 3 is octoxyglycerin manufactured by Seiwa Supply.

As is clear from the evaluation results in Table 3 above,
In Example 3, irritation, a deodorant effect, a feeling of dryness during application, and a feeling of moistness after application are also good, and a mist-like mist is obtained even when a mist-like container is used at the discharge section, and a good liquid is obtained. It can be seen that a deodorant cosmetic can be obtained. On the other hand, when the amount of aluminum hydroxychloride is too small as in Comparative Example 7, although the irritation is small, the deodorant effect is weak, and the discharge portion is poorly discharged in a mist-like container, and is not suitable as a liquid cosmetic. . On the other hand, when the amount of aluminum hydroxychloride is too large as in Comparative Example 8, irritation is strong and moist feeling is lost, which is not suitable as a deodorant cosmetic.

In the above-mentioned Examples and Comparative Examples, examples in which zinc sulfocarbonate and aluminum hydroxychloride were separately blended were shown, but it is a matter of course that both may be blended.

[0039]

As described above, the cosmetic of the present invention comprises: (A) a choline methacrylate chloride copolymer 0.0
5 to 5.0% by weight (B) 10.0 to 50.0% by weight of ethanol (C) 0.5 to 3.0% by weight of zinc sulfocarbonate and / or 0.5 to 10.0 of aluminum hydroxychloride
By blending the weight% (A) to (C), a deodorant effect which is liquid, less irritating and has a good touch is exhibited.

Continued on front page F-term (reference) 4C083 AB221 AB222 AC071 AC072 AC172 AC471 AC472 AC482 AC791 AC792 AD091 AD092 AD162 AD212 CC17 EE06 EE16

Claims (2)

[Claims] (A) 0.05 to 5.0% by weight of choline methacrylate chloride copolymer (B) 10.0 to 50.0% by weight of ethanol (C) 0.5 to 3% of zinc sulfocarbonate 0% by weight and / or 0.5 to 10.0 of aluminum hydroxychloride
Liquid cosmetics characterized by containing (A) to (C) by weight. 2. An isopropyl methyl phenol containing 0.0
The liquid cosmetic according to claim 1, wherein the liquid cosmetic is blended in an amount of 1 to 1.0% by weight.