JPH072618B2 - Makeup remover - Google Patents

Description

TECHNICAL FIELD The present invention relates to a makeup remover for foundations, eyeliners, mascaras, etc. More specifically, it is a low boiling point solvent specific to an aqueous phase containing a polyacrylic thickener. The present invention relates to a useful makeup removing agent in which a specific amount of is dispersed.

That is, it is an object of the present invention to provide a product which does not irritate the skin or eyes during use, has an excellent effect of removing cosmetics, and has good usability.

[Prior Art] Conventionally, there are various types of makeup removing agents such as lotion type, emulsion type, oil type and the like. These are called cleansing agents and removers, and they are usually used exclusively according to various makeup cosmetics.

In general, a lotion-type remover is blended with a surfactant having a cleaning action, and a mild nonionic surfactant or amphoteric surfactant which does not cause damage to the skin is used. On the other hand, the oil type has a cleaning effect by mainly containing a solvent having a solvent action, and the emulsion type has a cleaning effect by being dissolved and dispersed mainly by a solvent action of oil and water. .

However, recently, makeup cosmetics have been developed which have good adhesion to the skin and do not easily lose their makeup against moisture, sebum, etc. Therefore, for the purpose of improving the removal effect, alcohol, a surfactant is increased, or a surfactant having a relatively low irritation to the skin and having a high cleaning action, or a solvent having a strong dissolving power is used. Measures have been taken and various studies have been made.

[Problems to be Solved by the Invention] As described above, as a result of the emphasis on the characteristic that makeup is not easily damaged, it is difficult to remove makeup cosmetics easily, and in view of this point, it has an excellent removal effect. Product development has been demanded. However, when trying to enhance the removal effect, the irritation to the skin and eyes tends to be strong, while the main point of the hypoallergenic nature is that the removal ability is inferior, which is a drawback of conventional removal agents, It was a challenge.

Therefore, efforts have been made to obtain a makeup remover having no irritation on the skin or eyes and having a sufficient removing ability. For example, as an essential blend of a specific monoester or diester, JP-A-56-97210, 57-72907, 57-7
2908 is known, and the applicant of the present application has already applied for an invention in which a specific monoester or diester, a low-boiling isoparaffin hydrocarbon, and a specific alkylimidazolinium betaine are used in combination (Japanese Patent Application Laid-open No. Sho-06-26). 58-206
515).

However, although improvements have been made in terms of safety and removal effects, conventional removal agents, particularly oil types and two-layer types consisting of oil and water, all require large amounts of oil, and therefore There was no choice but to feel the oil film and stickiness after use, which was not preferable in terms of usability, and there was a problem in terms of irritation to the skin and eyes, which was not satisfactory.

[Means for Solving Problems] As a result of further intensive studies in view of the above circumstances, the present inventors have used a polyacrylic thickener as a dispersant or a stabilizer, and have a specific amount in the aqueous phase. It was found that by stably dispersing the low-boiling point solvent having a sufficient removing effect against makeup remover, it does not irritate the skin or eyes, and has a good feeling in use, and an excellent makeup remover can be obtained. The present invention has been completed.

That is, the present invention disperses 2 to 20% by weight of one or more low boiling point solvents selected from low boiling point isoparaffin hydrocarbons and low boiling point silicone oils in a water phase with a polyacrylic thickener. It relates to a makeup remover characterized by

The configuration of the present invention will be described below.

The low boiling point solvent used in the present invention may be one that is acceptable to cosmetics, but is particularly preferably selected from low boiling point isoparaffin hydrocarbons and low boiling point silicone oils and is preferably used. Low-boiling isoparaffinic hydrocarbons are isopar,
It is generally known by trade names such as shell sol. This low-boiling isoparaffin is preferable for the present invention if it has a boiling point preferably in the range of about 200 to 300 ° C. That is, in the present invention, the lower the molecular weight of the boiling point is 200 ℃ or less, the skin irritation will be recognized, conversely, the boiling point of 300 ℃ or more, the skin persistence is high, therefore the skin feel is preferable. Not suitable because it tends to disappear. Examples of the low boiling point silicone oil include chain and cyclic silicone oils such as low degree of polymerization chain dimethylpolysiloxane, octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane, and those having a boiling point of about 250 ° C. or less are preferable. .
They are not irritating to eyes and skin, have a refreshing feel without stickiness, and are volatile and thus dry quickly, and are useful for the present invention.

In the present invention, the low-boiling isoparaffinic hydrocarbons and low-boiling silicone oils are used alone or in combination of two or more kinds as appropriate, and the blending amount of these low-boiling solvents is 2 to 20% by weight in order to obtain the effect. %, Preferably 5 to 15% by weight. Within this range, the removing action is sufficiently exhibited, and it is also suitable in terms of skin safety, feeling of use, and stability.

The polyacrylic thickener used in the present invention is not particularly limited, and it is a water-soluble alkali thickening polymer, and any of them can be used, including ordinary acrylic acid and methacrylic acid. The polymers, copolymers, and partially crosslinked acrylic polymers can also be preferably used. Examples thereof include homopolymer emulsions and copolymer emulsions of acrylic acid and methacrylic acid, acrylic acid, methacrylic acid polymers and salts thereof, and carboxyvinyl polymers.

The blending amount of these is an amount usually used in cosmetics and is not particularly limited, and is determined depending on the relationship with other components, the purpose of adjusting the feel and the viscosity, and the like. In the case of an acrylic polymer emulsion , 1.5 to 10% by weight, and in the case of acrylic polymer, it is about 0.1 to 2% by weight. That is,
Within this range, the amount is sufficient for the purpose of uniformly dispersing and holding the low boiling point solvent.

The alkaline agent for neutralizing and thickening the polyacrylic thickener is not particularly limited,
Any cosmetics that are acceptable can be used. Examples thereof include inorganic alkali agents such as sodium hydroxide and potassium hydroxide, basic amino acids such as L-arginine, amines such as triethanolamine, and ammonia. The addition amount of the alkaline agent varies depending on its type and is not particularly limited, and may be determined depending on the type of polyacrylic thickener, the amount used, etc., but generally 0.03
In the range of up to 2.5% by weight. Then, the alkaline agent may be dissolved in water in advance or directly mixed with the polymer and added.

Furthermore, when practicing the present invention, an emollient at
In order to impart a moisturizing effect, or to increase the removal effect, etc., liquid oils, ester oils, oils such as hydrocarbons and water-soluble substances such as ethanol, propylene glycol, 1,3-butylene glycol and glycerin are used. It can be optionally blended within a range that does not impair the effects of the present invention. However, it is important that the amount of the oil agent be about 5% by weight or less because it gives an oil film feeling or cloudiness when entering the eyes and causes a feeling of strangeness.

The makeup remover according to the present invention has the above-mentioned constitution, and the product form thereof may be a lotion type or a gel type.

If necessary, a small amount of other substances such as polymer substances, surfactants, moisturizers, fragrances, preservatives, pigments, antioxidants and cosmetic ingredients may be added.

EXAMPLES Next, the present invention will be further described with reference to examples. These do not limit the invention in any way.

Examples [1] and [2] Prescriptions are shown in Table 1. The blending amount is% by weight.

(Production method) The components (1) to (4) and (7) which are the water phase components selected as shown in the table are mixed and uniformly dissolved, and then the oil phase components (5) to (6) The ingredients are added and uniformly dispersed to obtain the product.

In order to confirm the effects of the present invention obtained as described above, the following conventional eye makeup remover was used as a comparative example for comparison.

Comparative Example [1] Oily type eye makeup remover (prescription) (wt%) (1) Liquid paraffin 50.0 (2) Octyldodecyl myristate 5.0 (3) Isocetyl stearate 5.0 (4) Squalane residual amount Comparative Example [2] Lotion type eye makeup remover (prescription) (% by weight) (1) 2-cocoyl-N-carboxy 1.5 methyl-N-hydroxyethyl imidazolinium betaine (50% aqueous solution) (2) 1,3-butylene glycol 5.0 (3) ) Methyl parachiobenzoate 0.1 (4) Purified water Remaining amount Examples [1] to [2] and Comparative Examples [1] to [2]
The effect of removing the makeup remover of No. 1, the irritation to the eye and the feeling of use were evaluated by conducting a use test. The use test was carried out by 5 women, using 3 types of eyeliner (A, B, C) of an emulsification type, a film forming type and a non-water type as a test.

The evaluation results are shown in Table 2.

The formulations of the eyeliners A, B, and C used for the test are as follows.

<< Eyeliner A for Testing; Emulsified Type >> (Prescription) wt%) (1) Beeswax 2.0 (2) Stearic acid 0.5 (3) Cetanol 0.2 (4) Polyoxymonooleate 1.2 Ethylenesorbitan (5) Sorbitan sesquioleate 0.5 (6) Triethanolamine 1.0 (7) Methyl paraoxybenzoate 0.1 (8) 1,3-butylene glycol 2.0 (9) Polymethacrylic acid 0.05 (10) Black iron oxide 5.0 (11) Mica 6.0 (12) Purified water residue Amount << Eyeliner B for test; Film-forming type >> (Formulation) (wt%) (1) Methyl methacrylate poly 30.0 mer emulsion (2) Methacrylic acid polymer emulsion 1.5 (3) Triethanolamine 0.4 (4) Phospholipid 0.2 (5) 1,3-butylene glycol 2.0 (6) Methyl paraoxybenzoate 0.1 (7) Black iron oxide 5.0 (8) Ma Ka 6.0 (9) Residual amount of purified water << Eyeliner C for testing; non-water type >> (prescription) (% by weight) (1) Ceresin wax 6.0 (2) Beeswax 2.0 (3) Pentaerythritol rosinate 2.0 (4) Phospholipid 0.5 (5) Silicic anhydride 2.0 (6) Black iron oxide 5.0 (7) Mica 6.0 (8) Low-boiling isoparaffin (boiling point residual amount 160-200 ℃) As is clear from the results in Table 2, the makeup remover according to the present invention has an excellent removing effect on any type of eyeliner, does not cause irritation to the eyes, and has a feeling of oil film and stickiness. It was extremely useful because it had the characteristics of having a refreshing feeling and the like. In addition, the products of Examples were lotion-like in appearance with a semitransparent white turbid appearance, were easy to use, and had good stability over time.

Examples [3] and [4] Table 3 shows the formulations. The blending amount is% by weight.

(Manufacturing method) After the components of the aqueous phase components (1) to (4) and (9) selected as shown in the table are mixed and dissolved, the oil phase component (7) to
(8) is added, and then (5) or (6) is added and uniformly dispersed to obtain a product.

Examples [3] and [4] of the present invention obtained as described above
In order to confirm the effect of the above, a conventional cleansing cream and a cleansing lotion were used as comparative examples, and a use test was performed on the foundation as described above. The formulation of the comparative example and the foundation formulation used for the test are as follows.

The evaluation results are shown in Table 4.

Comparative Example [3] Cleansing Cream (Formulation) (% by Weight) (1) Liquid Paraffin 40.0 (2) Ceresin Wax 6.0 (3) Paraffin Wax 2.0 (4) Sorbitan Sesquioleate 1.5 (5) Polyoxye 0.25 Monooleate Tirensorbitan (20E.O.) (6) Methyl paraoxybenzoate 0.1 (7) Perfume 0.1 (8) Purified water balance Comparative Example [4] Cleansing lotion (prescription) (wt%) (1) Polyoxyethylene cetyl 0.6 ether ( 30E.O.) (2) 1,3-Butylene glycol 18.0 (3) Methyl paraoxybenzoate 0.1 (4) Citric acid 0.05 (5) Sodium citrate 0.2 (6) Perfume 0.02 (7) Purified water balance << Test Foundation >> (Prescription) (wt%) (1) Titanium oxide 15.0 (2) Mica titanium 10.0 (3) Mica 14.0 (4) Nylon powder 13.0 (5) Coloring pigment 7.0 (6) Microcrystalline wax 4.0 (7) Beeswax 1.0 (8) Methylphenylpolysiloxane 5.0 (9) Squalane 10.0 (10) Sucrose fatty acid ester 0.5 (11) Dimethylpolysiloxane 20.0 (12) Fragrance 0.5 As can be seen from Table 4, the makeup remover of the present invention has an excellent effect in removing makeup from the foundation, and has a refreshing feeling of use, and is extremely useful.

[Effects of the Invention] As described above, the present invention is characterized in that a polyacrylic thickener is used to uniformly disperse and retain a specific amount of a specific low boiling point solvent having a solvent action in an aqueous phase. By selecting an appropriate low boiling point solvent, reducing the amount used, and forming an aqueous type, it not only has high safety to the skin and eyes, but also has an excellent function as a makeup remover. In addition, a makeup remover having properties such as having a good feeling in use was obtained.

Therefore, the makeup remover of the present invention is easy to handle since it has a simple viscosity adjustment and a proper viscosity. Familiar with makeup cosmetics quickly,
Makeup removal is easy. In the past, a dedicated remover was required for each, but it can be applied to all types of makeup cosmetics such as foundation, eyeliner, mascara, and can be used at the same time. It is not sticky, has a refreshing feel, and has no residue. Highly safe for skin and eyes. No need for troublesome wiping,
It has many advantages such as being able to be washed off with water.

That is, according to the present invention, it has become possible to provide an extremely useful makeup removing agent, which has a high effect of removing makeup, safety and usability, which has never been seen before.

Claims (1)

[Claims] 1. A method in which 2 to 20% by weight of one or more low-boiling solvents selected from low-boiling isoparaffins and low-boiling silicone oils are dispersed in a water phase with a polyacrylic thickener. A characteristic makeup remover.