JPH07223923A - Make-up cleaner - Google Patents

Abstract

PURPOSE:To obtain a make-up cleaner having a lathering function in addition to a function of cleaning a make-up to give a fresh feeling of a bare skin washing, by using a polyoxyalkylene modified methylpolysiloxane in combination with a maltitol ether. CONSTITUTION:A make-up cleaner composed of using a polyoxyalkylene modified methylpolysiloxane of formula I (R<1> is H or a 1-5 alkyl; each of x and y is 0-30, and x+y=5-60; m=0-50; n=1-50) in combination with a maltitol ether of formula II (A is a residual group of a maltitol ether after removing its (a) OH groups; each of R<2> and R<3> is H, an alkyl, or an alkenyl; a total number of carbon atoms in R<2> and R<3> is 6-22; (a) is 1-3). A ratio of combination of the polyoxyalkylene modified methylpolysiloxane and the maltitol ether is 1:1 to 1:8 in wt. This make-up cleaner is excellent in cleaning the make-up and at the same time capable of making lather by adding into water and giving a fresh feeling to a skin after using it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a makeup cleanser, and more particularly to improving its usability.

[0002]

2. Description of the Related Art A detergent composition, especially a facial cleanser,
It is necessary not only to wash away sebum and the like, but also to wash away various cosmetics and the like. For this reason, a person who has applied a makeup cosmetic containing oils such as lipstick, foundation, mascara, and eye shadow should first make a cleansing cream containing a large amount of oil that is easy to blend in with the makeup cosmetics as a first step when washing the face. , Cleansing oil, cleansing milk, cleansing gel, etc., after removing most of the makeup components using a face cleanser for removing makeup, as the second step, soap and cleansing foam etc. are bubbled to wash the bare skin. The residual oil content of the makeup remover cleaning agent used in the first step
By washing away the oil and dirt on the skin, I was satisfied with a refreshing or refreshing feeling.

[0003] In this way, two-step washing is required when using a makeup remover cream or the like containing a large amount of oil, even after rinsing with water or lukewarm water immediately after use, the oil remaining on the skin Is not sufficiently removed, and a refreshing feeling can not be obtained.Also, with a facial cleanser for bare skin washing such as soap or cleansing foam, which is used for foaming, a pigment covered with oil in makeup cosmetics This is because the coloring agent cannot be removed sufficiently from the skin.

On the other hand, in recent years, when quickness and simplicity of makeup are being demanded, a skin cleansing agent having a makeup removing effect and a cleansing and refreshing bare skin washing effect with only one operation is desired. ing. Examples of such a one-step skin cleansing agent include, for example, JP-A-63-1226.
Some are disclosed in Japanese Patent No. 18.

[0005]

However, the conventionally known one-step makeup remover cleansing agent is one in which the amount of oil remaining on the skin after rinsing is reduced, and soaps and cleansing foams are used. It was not possible to obtain the refreshing feeling and the satisfaction after washing the face obtained by washing the bare skin with bubbles. In other words, it is desirable to develop a cleansing agent that is capable of foaming at the same time as removing make-up, and that provides a refreshing feeling of bare skin washing. Oils and oily ingredients must be contained.On the other hand, detergents that give a feeling of foaming and refreshing, such as soap and cleansing foam, basically consist of ionic surfactants with high hydrophilicity. Therefore, even if you try to combine these ingredients to obtain both effects, in fact they will cancel each other out, not only almost no bubbles will be created, but also the effect of removing makeup will be impaired. The current situation is that we cannot get something satisfactory.

[0006] The present invention has been made in view of the above problems of the prior art, and an object thereof is to provide a makeup cleansing agent which is excellent in usability and feeling in use and has a high cleaning effect.

[0007]

Means for Solving the Problems As a result of intensive studies for solving the above problems, the present inventor has found that by combining a polyoxyalkylene-modified methylpolysiloxane with a specific maltitol ether, makeup The present invention has been completed by finding that a makeup cleansing agent having a foaming function in addition to a removing function and providing a refreshing feeling of bare skin washing can be obtained.

That is, the makeup cleansing agent according to claim 1 of the present application contains the polyoxyalkylene-modified methylpolysiloxane represented by the general formula 3 and the maltitol ether represented by the general formula 4. And

[Chemical 3] (In the formula, R ₁ is hydrogen or an alkyl group having 1 to 5 carbon atoms, x
And y are each an integer of 0 to 30 and their sum is 5 to 6
0 and m represent an integer of 0 to 50, and n represents an integer of 1 to 50. )

[0009]

[Chemical 4] (In the formula, A is a residue obtained by removing a hydroxyl groups from maltitol, R ₂ and R ₃ are hydrogen atoms, alkyl groups or alkenyl groups, and the total carbon number of R ₂ and R ₃ is 6 to 22. , A
Represents an integer of 1 to 3. )

The structure of the present invention will be described in detail below. The polyoxyalkylene-modified methylpolysiloxane having the basic structure shown in Chemical Formula 3 used in the present invention is a known compound, and in Chemical Formula 3, R ₁ is hydrogen or 1 to 1 carbon atoms.
5 represents an alkyl group. Also, x and y are each 0
The sum of them is 5 to 60, m is an integer of 0 to 50, and n is an integer of 1 to 50. Specific examples of such polyoxyalkylene-modified methylpolysiloxane include a copolymer of dimethylpolysiloxane and polyethylene glycol, a copolymer of dimethylpolysiloxane and polyoxyethylenepolyoxypropyleneglycol, and the like.

The polyoxyalkylene-modified methylpolysiloxane used in the present invention takes into consideration that it is blended in an aqueous detergent composition, and in view of the effect of makeup cleaning and usability, the polyoxyalkylene-modified methylpolysiloxane has a molecular weight relative to the molecular weight. The weight ratio of oxyalkylene is preferably 15 to 85% by weight. In the present invention, the polyoxyalkylene-modified methylpolysiloxane can be used alone or in combination of two or more.

The maltitol ether used together with the polyoxyalkylene-modified methylpolysiloxane can be represented by the general formula (4). In the chemical formula 4, A is a residue obtained by removing a hydroxyl groups from maltitol, and R ₂ and R ₃ are each a hydrogen atom, an alkyl group or an alkenyl group. Examples of the alkyl group or alkenyl group, a methyl group, ethyl group, isopropyl group, octyl group, lauryl group, myristyl group, palmityl group, stearyl group, 2-ethylhexyl group, isostearyl group,
Examples thereof include an oleyl group, a palmitooleyl group, and an eicosenyl group. From the viewpoints of detergency and feeling of use, the total carbon number of R ₂ and R ₃ is preferably in the range of 6 to 22.
Further, a represents an integer of 3 or less. When a is larger than 3, foaming is not sufficient. In the present invention, one or two or more of these maltitol ethers can be optionally used.

In the present invention, the mixing ratio of polyoxyalkylene-modified methylpolysiloxane and maltitol ether is 2: 1 to 1: 8 by weight, preferably 1 :.
It is in the range of 1 to 1: 8, and the total compounding amount of both is in the range of 1 to 80% by weight in the total amount of the cleaning agent. If the blending ratio is outside this range, the foaming is not sufficient when the polyoxyalkylene-modified methylpolysiloxane is too much, and the makeup is hard to fit when the maltitol ether is too much, and satisfactory results are obtained in any case. I can't.

In addition to the above-mentioned essential constituents, the makeup cleansing composition according to the present invention may contain, if necessary, components that are generally contained in cleansing compositions and cosmetics. These components include polyhydric alcohols such as glycerin, 1,3-butanediol and propylene glycol, oils such as liquid paraffin and higher alcohols, anionic surfactants, cationic surfactants, amphoteric surfactants, Examples thereof include thickeners, moisturizers, preservatives, bactericides, ultraviolet absorbers, chelating agents, antioxidants, and fragrances.

As described above, the makeup cleansing agent of the present invention is
By coexisting polyoxyalkylene-modified methylpolysiloxane and maltitol ether, makeup cosmetics such as lipsticks, foundations, mascaras, and eye shadows can be satisfactorily removed, and at the same time, it can be foamed by adding water.

[0016]

EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples. Prior to the examples, the evaluation method used in each example will be described.

Test Method for Makeup Removing Effect 2-Ethylhexylparamethoxycinnamic acid was added to the oily foundation as a marker. 1% included 0.
1 g is evenly applied to the inner part of the forearm in an area of 4 × 10 cm, dried for 30 minutes, and 0.5 g of the test sample is applied to the entire application part for about 20 seconds using a finger as in a normal makeup removing action. No, then rinsed with 35 ° C tap water without rubbing.

After drying, the foundation remaining in the coated part was eluted with 2 ml of ethanol using a glass cup having a diameter of 2 cm to absorb the amount of 2-ethylhexyl paramethoxycinnamic acid in ethanol by ultraviolet absorption (310 nm). )
The makeup removing effect was determined by measuring from. Washing efficiency _{(%) = (A 2 -A} O) / (A 1 -A 0) × l00 A O: absorption of the eluate of the blank A _l: absorption of the eluate before cleaning A _2: eluate after washing Absorption evaluation of ○: Good make-up removal effect Cleaning efficiency 90% or more △: Make-up removal effect Normal Cleaning efficiency 60% or more ×: Poor make-up removal effect Cleaning efficiency 60% Satisfied

Foaming test method 40 ° C. in a cylindrical cylinder with a stirrer of 2500 m1 capacity
400 m1 of artificial hard water (70 ppm calcium carbonate) was added, and 40 g of the test sample and oil foundation O. After adding 1 g, the foam volume was measured after stirring at 4500 rpm for 1 minute. Evaluation ◯: Good foaming, foam volume of 1200 m1 or more △: Normal foaming, foam volume of 800 m1 or more ×: Poor foaming, foam volume of less than 800 m1

Sensory test (evaluation of refreshing feeling after use) Using each sample, 20 professional panelists conducted an actual use test for the presence or absence of a refreshing feeling on the skin after washing the face.
The evaluation method was based on the following criteria. O: 15 or more out of 20 professional panelists recognized that there was a refreshing feeling. Δ: 8 or more out of 20 professional panelists recognized that there was a refreshing feeling. X: 7 or less out of 20 professional panelists recognized that there was a refreshing feeling.

[0021]

[Table 1] ─────────────────────────────────── Test product 1 2 3 4 5 6 7 8 9 ─────────────────────────────────── Polyoxyethylene modified methylpolysiloxane (MW = about 4000, POE modified (Rate = approx. 70 wt%) 20 18 15 13 10 7 5 20 0 Maltitol human oxydoxy decyl ether 0 2 5 7 10 13 15 18 20 Total surfactant 20 ───────────────── ─────────────────── Remaining purified water ───────────────────────────── ─────── Makeup removal effect ○ ○ ○ ○ ○ ○ ○ ○ × Foaming ability × × △ ○ ○ ○ ○ ○ ○ Refreshing feeling × × × △ ○ ○ ○ ○ ○ ───────── ──────────────────── ──────

As described above, although the polyoxyalkylene-modified methylpolysiloxane alone has a relatively excellent makeup removing effect, it tends to lack foamability and a refreshing feeling. On the other hand, maltitol ether (maltitol hydroxydodecyl ether) alone has excellent foamability and a refreshing feeling, but lacks a makeup removing effect. In a coexisting system of polyoxyalkylene-modified methylpolysiloxane and maltitol ether, the mixing ratio is 2: 1 to 1: 8 by weight, preferably 1 :.
When it is 1 to 1: 8, both excellent makeup removing effect and usability can be exhibited.

[0023]

[Table 2] ──────────────────────────────────── Test product 10 11 12 13 14 15 ── ────────────────────────────────── Polyoxyethylene-modified methylpolysiloxane POE modification rate 10% by weight 10-- ---〃 15 wt%-10----〃 20 wt%--10---〃 50 wt%---10--〃 70 wt%----10-〃 85 wt%--- --10 Maltitol human oxydoxy decyl ether 10 10 10 10 10 10 ──────────────────────────────────── Purified water balance ──────────────────────────────────── Makeup removing effect ○ ○ ○ ○ ○ △ △ Foaming × ○ ○ ○ ○ ○ ○ Refreshing feeling △ ○ ○ ○ ○ ○ ──────────────── ────────────────────

As is clear from Table 2 above, the combination effect of the present invention is that the polyoxyalkylene-modified methylpolysiloxane in which the weight ratio of polyoxyethylene to the molecular weight of the polyoxyalkylene-modified methylpolysiloxane is 15 to 85% by weight. This is a phenomenon unique to siloxane.

[0025]

[Table 3] ─────────────────────────────────── Test product 16 17 18 19 20 20 ──── ─────────────────────────────── Polyoxyethylene modified methylpolysiloxane (MW = about 4000, POE modification rate = about 70wt %) 10 10 10 10 10 maltitol human oxyhexyl ether 10 ---- maltitol human oxyoctyl ether -10 --- maltitol human oxycetyl ether -10- maltitol human oxyhexenyl ether -10- maltitol human oxy Hexacosyl ether − − − − − 10 ─────────────────────────────────── Purified water Residue ─── ───────────── ──────────────────── Makeup remover × ○ ○ ○ ○ Foaming ability × ○ ○ ○ × Refreshing feeling △ ○ ○ ○ × ──────── ────────────────────────────

As is clear from Table 3, the maltitol ether used in the present invention is preferably a maltitol ether in which the total number of carbon atoms of R ₂ and R _{3 in} the chemical formula 4 is 6 to 22. I understand.

Next, various formulation examples were verified.

[Table 4] ─────────────────────────────────── Test product 21 22 23 24 ───── ────────────────────────────── Polyoxyalkylene-modified methylpolysiloxane polyoxyethylene-modified methylpolysiloxane (MW = about 4000, POE modification rate = 50wt%) 55-2 Polyoxyethylene modified methylpolysiloxane (MW = about 6000, POE modification rate = 20wt%)-5 2 ──────────────── ───────────────────────────── Maltitol ether Maltitol human oxymyristyl ether 515 --- Maltitol human oxydoxydecyl ether 5-10 20 ───────── ────────────────────────── Other 1, -Butanediol 10 10-10 Purified water Residue ─────────────────────────────────── Makeup remover ○ ○ ○ ○ Foaming ○ ○ ○ ○ Refreshing ○ ○ ○ ○ ─────────────────────────────────── ─

As described above, synergistic effects are recognized between various polyoxyalkylene-modified methylpolysiloxanes and various maltitol ethers.

Example 1 (1) Polyoxyethylene-modified methylpolysiloxane 8% by weight (in Chemical formula 2, R = C ₂ H ₅ , x = 12, y = 0, m = 10, n = 6) (2) Lauryl dimethyl acetate betaine 10 (3) Maltitol hydroxymyristyl ether 4 (4) Lauryl diethanolamide 2 (5) 1,3-Butanediol 15 (6) Polyethylene glycol 1500 5 (7) Hydroxyethyl cellulose 2.5 (8) Perfume Appropriate amount (9) Purified water Residual production method (9), (5), (6), (7) is dissolved, (2),
After mixing (3) and (4), (1) and (8) were added to obtain a gel makeup remover.

Example 2 (1) Polyoxyethylene-modified methylpolysiloxane 5% by weight (in Chemical formula 2, R = H, x = 10, y = 0, m = 3, n = 40) (2) Polyoxyethylene Polyoxypropylene-modified methylpolysiloxane 1 (in Chemical formula 2, R = C ₄ H ₉ , x = 30, y = 20, m = 20, n = 5) (3) Maltitol hydroxydodecyl ether 3 (4) 1, 3-Butanediol 10 (5) Sorbitol 8 (6) Methylcellulose 3 (7) Perfume proper amount (8) Purified water Residual method (4) to (6) were dissolved in (8) and (3) was mixed. After that, (1), (2) and (7) were added to obtain a gel makeup remover cleaning agent. The gel-like makeup remover cleaning agents of Examples 1 and 2 were excellent in makeup removing effect and foaming property, and also had a very refreshing feeling after use.

[0031]

As described above, the makeup cleansing agent according to the present invention is excellent in the effect of removing makeup by coexistence of polyoxyalkylene-modified methylpolysiloxane and maltitol ether, and at the same time, water. It can be foamed by adding, and gives a refreshing feel to the skin after use.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁶ Identification number Internal reference number FI technical display location C11D 1:68) (72) Inventor Kiyomiyazawa 1050 Shinba-cho, Kohoku-ku, Yokohama-shi, Kanagawa Stock company Shiseido Daiichi Research Center

Claims (1)

[Claims] 1. A makeup cleanser containing a polyoxyalkylene-modified methylpolysiloxane represented by the general formula 1 and maltitol ether represented by the general formula 2. [Chemical 1] (In the formula, R ₁ is hydrogen or an alkyl group having 1 to 5 carbon atoms, x
And y are each an integer of 0 to 30 and their sum is 5 to 6
0 and m represent an integer of 0 to 50, and n represents an integer of 1 to 50. ) [Chemical 2] (In the formula, A is a residue obtained by removing a hydroxyl groups from maltitol, R ₂ and R ₃ are a hydrogen atom, an alkyl group or an alkenyl group, and the total carbon number of R ₂ and R ₃ is 6 to 22. , A
Represents an integer of 1 to 3. )