JP2000001418A - Non-oil cleaning gel composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a makeup removing cosmetic suitable for a makeup cosmetic having improved makeup lasting quality. SOLUTION: This composition is obtained by adding an adduct of a polyoxyethylene to a glycol coconut oil fatty acid ester and an acrylic acid/alkyl methacrylate copolymer and/or its salt to a cleaning composition such as a cleansing cosmetic or the like. The objective composition preferably contains ethanol. A makeup removing cosmetic suitable for a makeup cosmetic having improved makeup lasting quality can be obtained by this invention.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composition suitable for a cleanser such as a cleansing cosmetic.

[0002]

2. Description of the Related Art In recent years, with the progress of cosmetic formulation technology,
Various make-up cosmetics have made remarkable progress in cosmetic durability. For this reason, in order to remove such makeup cosmetics, exclusive makeup removal has become necessary. As such a makeup remover, a carboxyvinyl copolymer gel containing an oil component or an oil gel cosmetic is used. These are different from each other in the feeling of use, but the mechanism is nothing less than the solvent effect of oil, and therefore, when applied to makeup removers such as summer cosmetics that have improved makeup lasting In many cases, the feeling of remaining oil was unbearable in the humid summer season. That is, there has been a demand for the development of a makeup remover suitable for such a makeup cosmetic having improved makeup durability.

[0003] On the other hand, polyoxyethylene-added glycerin coconut oil fatty acid ester is used in cosmetics as a nonionic surfactant, and its action of dissolving oily components is already known. It is completely known that the composition can be combined with a thickener, that is, an acrylic acid / alkyl methacrylate copolymer and / or a salt thereof, and that such a combination is a composition having a good feeling in use and an excellent makeup removing effect. Did not.

[0004]

SUMMARY OF THE INVENTION The present invention has been made under such circumstances, and an object of the present invention is to provide a makeup remover suitable for a makeup cosmetic having improved makeup durability.

[0005]

In view of such circumstances, the present inventors have sought a makeup remover suitable for a makeup cosmetic having improved makeup lasting, and as a result of intensive research efforts, have found that polyoxyethylene-added glycerin palm has been obtained. The inventors have found such properties in a composition containing an oil fatty acid ester and an acrylic acid / alkyl methacrylate copolymer and / or a salt thereof, and have completed the invention. Hereinafter, the present invention will be described in detail focusing on embodiments.

[0006]

DETAILED DESCRIPTION OF THE INVENTION (1) Polyoxyethylene-added glycerin coconut oil fatty acid ester which is an essential component of the composition of the present invention is a polyoxyethylene-added glycerin coconut oil fatty acid ester which is one of the essential components of the present invention. Polyoxyethylene is an ester of glycerin-derived fatty acid derived from coconut oil. Here, the preferred number of moles of polyoxyethylene is 5 to 20, more preferably 5 to 10. Such polyoxyethylene-added glycerin coconut oil fatty acid esters are already commercially available,
It is also possible to use this. Among the commercially available products, those suitable for the composition of the present invention include Hyper Oil HE (manufactured by Koyo Fine Chemical Co., Ltd.) and Cetiol (manufactured by Henkel Co., Ltd.), which have an added mole number of polyoxyethylene of 7. Among them, Hyper Oil HE is particularly preferred. This is because the purity is extremely high. This is because it has a non-sticky feeling in use, an excellent dissolving power for oily components, and a moderate moist feeling. In the composition of the present invention, the preferred content of polyoxyethylene-added glycerin coconut oil fatty acid ester is 10 to
It is 50% by weight, more preferably 15 to 40% by weight.

(2) Acrylic acid / alkyl methacrylate copolymer and / or a salt thereof, which are essential components of the composition of the present invention, The composition of the present invention comprises an acrylic acid / alkyl methacrylate copolymer and / or Contains salt as an essential component.
This is used in the field of cosmetics and the like as a thickener having an emulsifying action. Examples of such an acrylic acid / alkyl methacrylate copolymer include Carbopol 1382, Pemulen TR-1, and Pemulen TR- manufactured by Goodrich.
2 etc. are commercially available, among which Carbopol 138
It is particularly preferred to use 2. These can be used alone or in combination of two or more. These salts are formed by neutralizing these copolymers with an alkali. In the composition of the present invention, it is preferable to neutralize these copolymers and use a part or all of them as salts. The type of salt is not particularly limited as long as it is a salt usually used in cosmetics and the like, for example, alkali metal salts such as sodium and potassium, alkaline earth metal salts such as calcium and magnesium, and ammonium salts. And organic amine salts such as triethanolamine salt and triethylamine salt, and basic amino acid salts such as lysine salt and arginine salt. Of these, alkali metal salts are particularly preferred, and potassium salts are particularly preferred. This is the neutralization rate when a salt is made.
Is preferably neutralized so as to be 5.5 to 7. This is because when the composition of the present invention is used as a cleansing agent, if the pH is too high, irritation may occur, and if the pH is too low, the system may become unstable. The acrylic acid / alkyl methacrylate copolymer and / or a salt thereof have an effect of removing oily components, have no stickiness in use, and have an excellent effect of stabilizing the system for a long period of time. The content of the acrylic acid / alkyl methacrylate copolymer and / or a salt thereof in the composition of the present invention is preferably 0.1 to 5% by weight, more preferably 0.5 to 3% by weight. It is. This is because if the amount is too large, not only the stickiness will increase as the feeling of use, but also the washability may be impaired. If the amount is too small, the stability, washability and usability of the system may be impaired.

(3) Composition of the present invention The composition for cleansing of the present invention comprises a polyoxyethylene-added glycerin palm oil fatty acid ester and an acrylic acid / alkyl methacrylate copolymer and / or Or a salt thereof.
The cleansing composition referred to in the present invention is a composition for mainly removing oily stains, which does not necessarily require a washing step with an aqueous carrier in principle, and means a composition to be provided in use, and specifically, Examples include cosmetics such as makeup removers and cleansing gels, cleansing materials for leather products such as bags and shoes, cleansing materials for plastic materials such as plastic cases, and wiping agents for window glass. It is particularly preferable to apply the composition of the present invention to cosmetics from the viewpoint of good use feeling and cleansing action for oily components for cosmetics, which are features of the composition of the present invention.
The cleansing composition of the present invention is preferably used as a transparent gel. This is because in such a form, the degree of removal of the oily dirt can be known at a glance. Further, the cleansing composition of the present invention may contain optional components usually used in the cleansing composition as long as the effects of the present invention are not impaired. Examples of such optional components include hydrocarbons such as petrolatum and microcrystalline wax, esters such as jojoba oil and gay wax, triglycerides such as tallow, olive oil, higher alcohols such as cetanol and oleyl alcohol, and stearic acid. Fatty acids such as oleic acid, polyhydric alcohols such as glycerin and 1,3-butanediol, nonionic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants, ethanol, carbopol, etc. Viscous agents, preservatives, ultraviolet absorbers, antioxidants, pigments, powders, etc. can be used. Among them, hydrocarbons, esters, triglycerides, oily components such as higher alcohols cause stickiness and the like in use feeling, so that the cleansing composition of the present invention does not contain these. It is particularly preferable to use it by applying it to non-oil cosmetics.

A preferred optional ingredient in the cleansing composition of the present invention is ethanol. this is,
Ethanol, in the composition of the present invention, has various preferable effects such as an action of accelerating removal of oily stains, an action of improving a refreshing feeling in use, a softening action of a gel structure, and an action of improving or preserving antiseptic power. Because it demonstrates. The preferred content of ethanol in the cleansing composition of the present invention is 2 to 20% by weight, more preferably 3 to 15% by weight.
% By weight. If the amount is too small, the above-mentioned effect may not be exerted. If the amount is too large, the stability of the system may be impaired.

The cleansing composition of the present invention can be produced by treating the above components according to a conventional method.

[0011]

EXAMPLES Hereinafter, the present invention will be described in more detail with reference to Examples, but it goes without saying that the present invention is not limited to only these Examples.

Example 1 A cosmetic (makeup remover), which is a cleansing composition of the present invention, was prepared according to the following formulation. That is, the components (a), (b), and (c) were dissolved by heating, and (b) was added to (b), and then (c) was added, followed by stirring and cooling to obtain a makeup remover as a transparent gel composition. The cleansing effect of this product was examined using a summer makeup foundation having the following formula and having extremely strong water resistance and oil resistance, and having good makeup durability. As Comparative Example 1, a product obtained by replacing Hyper Oil HE with a polyoxyethylene (20) coconut oil fatty acid ester as a normal surfactant was used.
Comparative Example 2 was obtained by replacing hyper oil HE with olive oil, and Comparative Example 3 was Carbopol 1
As Comparative Example 4, a product obtained by substituting Carbopol 940, which is a carboxyvinyl polymer, for 382 was used, which is a commonly known makeup remover and has the following formulation. In the test, using the inner part of the upper arm, a foundation was applied at 0.05 g / cm ² , a sample of 0.1 g was applied with a finger, rubbed three times, and then wiped off with a cut surface.
The remaining condition of the foundation and the feeling of the skin were judged on the basis of ++: very good, +: good, ±: slightly good,-: bad. Table 1 shows the results. This shows that the makeup remover, which is a cleansing composition of the present invention, has excellent cleansing power and is excellent in use feeling.
Further, it can be seen that such an effect is a synergistic effect of the polyoxyethylene-added glycerin coconut oil fatty acid ester and the acrylic acid / alkyl methacrylate copolymer. or,
It can also be seen that the makeup remover of the present invention is suitable for removing makeup cosmetics having a long lasting makeup such as for summer use. (Make-off of the present invention) a) Carbopol 1382 1 part by weight Water 30 parts by weight b) Potassium hydroxide 0.7 parts by weight Water 38.1 parts by weight c) Hyper oil HE 30 parts by weight methyl paraben 0.2 parts by weight ( The foundation used for the test) HF titanium sericite 10 parts by weight Silicone treated titanium dioxide 20 parts by weight Nylon powder 20 parts by weight PF sericite 20 parts by weight Silicone treated yellow iron oxide 5 parts by weight Silicone treated red iron oxide 2 parts by weight Soft shade DH ** 3 parts by weight silica gel 10 parts by weight octadodecyl oleate 5 parts by weight dimethicone 4 parts by weight isooctyl paramethoxycinnamate 1 part by weight ** dimethoxybenzylidene dioxoimidazolidin isooctyl propionate manufactured by Ajinomoto Co. (Comparative Example 4) Oil HE 10 parts by weight Olive oil 10 parts by weight Polyoxyethylene (20) coconut oil fatty acid ester 10 parts by weight 1,3-butanediol 5 parts by weight Ethanol 5 parts by weight Carbopol 940 1 part by weight Potassium hydroxide 1 part by weight Methyl paraben 0. 2 parts by weight water 57.8 parts by weight

[0013]

[Table 1]

Example 2 A cosmetic (make-up remover), which is a cleansing composition of the present invention, was prepared according to the following formulation. That is, the components (a), (b), and (c) were dissolved by heating, and (b) was added to (b), and then (c) was added, followed by stirring and cooling to obtain a makeup remover as a transparent gel composition. The cleansing effect of this was evaluated together with the makeup remover of the present invention of Example 1 using a foundation showing the above-mentioned prescription. The evaluation items included not only the cleansing effect and the feeling of the skin but also good spread during use.
The evaluation criteria used in Example 1 were used. Table 2 shows the results. This indicates that the addition of ethanol further improves the cleansing effect and the feeling of use. A) 1 part by weight of Carbopol 1382 30 parts by weight of water b) 0.7 parts by weight of potassium hydroxide 28.1 parts by weight of water c) 30 parts by weight of hyper oil HE 0.2 parts by weight of methyl paraben 10 parts by weight of ethanol

[0015]

[Table 2]

<Examples 3 to 6> Cosmetics (makeup remover), which is a cleansing composition of the present invention, were prepared according to the following formulation. That is, the components (a), (b), and (c) were dissolved by heating, and (b) was added to (b), and then (c) was added, followed by stirring and cooling to obtain a makeup remover as a transparent gel composition. The cleansing effect of this was evaluated together with the makeup remover of the present invention of Example 1 using a foundation showing the above-mentioned prescription. The evaluation items were the above-mentioned cleansing effect, skin feeling, and good spread during use. The evaluation criterion was ++:
Very excellent, +: clearly excellent, ±: slightly excellent,-: comparable,-: inferior.
Table 3 shows the results. This indicates that the amount of alcohol added is preferably 2 to 20% by weight, and more preferably 3 to 15% by weight. A) Carbopol 1382 1 parts by weight Water 30 parts by weight b) Potassium hydroxide 0.7 parts by weight Water *** c) Hyperoil HE 30 parts by weight Methyl paraben 0.2 parts by weight Ethanol *** *** Write it in 3. (Unit is parts by weight)

[0017]

[Table 3]

<Examples 7 and 8> Cosmetics (makeup remover), a cleansing composition of the present invention, were prepared according to the following formulation. That is, the components (a), (b), and (c) were dissolved by heating, and (b) was added to (b), and then (c) was added, followed by stirring and cooling to obtain a makeup remover as a transparent gel composition. The cleansing effect of this was evaluated together with the makeup remover of the present invention in Examples 1 and 2 using a foundation having the above-mentioned prescription. The evaluation items were the above-mentioned cleansing effect, skin feeling, and good spread during use. The evaluation criteria are as follows: ++: very excellent, +: clearly excellent, ±: slightly excellent,-: comparable,-: inferior to the makeup remover of Example 1. there were. Table 4 shows the results. This indicates that Carbopol 1382 is preferable as the acrylic acid / alkyl methacrylate copolymer in the cleansing composition of the present invention. A) Acrylic acid / alkyl methacrylate copolymer ***** Water 30 parts by weight b) Potassium hydroxide 0.7 parts by weight Water 28.1 parts by weight c) Hyper oil HE 30 parts by weight Methyl paraben 0.2 parts by weight Ethanol 10 parts by weight ****** Described in Table 4.

[0019]

[Table 4]

Example 9 When the make-up remover of Example 2 was used to remove dirt from a bag, an excellent cleansing effect was exhibited.

[0021]

According to the present invention, it is possible to provide a makeup remover suitable for a makeup cosmetic having an improved makeup lasting.

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Claims (5)

[Claims] 1. A cleaning composition comprising a polyoxyethylene-added glycerin coconut oil fatty acid ester and an acrylic acid / alkyl methacrylate copolymer and / or a salt thereof. 2. The cleaning composition according to claim 1, wherein the composition does not contain an oil component. 3. The cleaning composition according to claim 1, wherein the composition is a transparent gel. 4. The cleaning composition according to claim 1, further comprising ethanol. 5. The cleaning composition according to claim 1, wherein the composition is a cosmetic.