JP2023071186A - Oily cleansing cosmetic - Google Patents

Abstract

To provide a solid oily cleansing cosmetic that has excellent hardness, that is, excellent hardness and excellent skin touch feel in addition to excellent cleansing force and furthermore has excellent high-temperature stability when the oily cleansing cosmetic is directly applied to skin for use.SOLUTION: An oily cleansing cosmetic contains the following components (A), (B), (C), (D) and (E), with the hardness of the cosmetic on a 3 mmφ pressure-sensing shaft being 50 to 150 g at 25°C. (A) 7 to 20 mass% of solid hydrocarbon-based wax having a penetration of 6 to 20 at 25°C; (B) 1 to 5 mass% of solid hydrocarbon-based wax having a penetration of 25 to 50 at 25°C; (C) 25 mass% or less of liquid hydrocarbon oil which is liquid at 25°C; (D) 50 to 90 mass% of ester oil; and (E) 10 to 30 mass% of nonionic surfactant having an HLB value of 3 to 14.SELECTED DRAWING: None

Description

The present invention relates to oily cleansing cosmetics.

In recent years, make-up cosmetics having excellent water resistance and oil resistance have been developed, and the longevity of makeup has been remarkably improved. Therefore, various types of cleansing cosmetics for washing make-up cosmetics, such as oily cleansing cosmetics with high detergency, have been developed. For example, Patent Literatures 1 and 2 disclose oily cleansing cosmetics in which an oil thickener is added to prevent dripping. However, these cleansing cosmetics give a strong sticky feeling after washing, and the viscosity is lowered by rubbing, and the problem of dripping cannot be solved in some cases.

Therefore, solidified oily cleansing cosmetics have been developed for the purpose of preventing dripping and improving usability (see, for example, Patent Documents 3 and 4). These oil-based cleansing cosmetics are characterized by encapsulating liquid oil in crystals of solid oil. When such an oil-based cleansing cosmetic is applied to the skin, the crystals of the solid oil are broken and the enclosed liquid oil seeps out. Washing becomes possible with the exuded liquid oil. However, conventional solid oil-based cleansing cosmetics have the problem that the crystals do not collapse easily, and the application and rubbing motion during use is easily transmitted directly to the skin, giving the skin a strong burden or irritation.

JP-A-2000-136114 Japanese Patent Application Laid-Open No. 2005-194290 JP 2012-206974 A Japanese Unexamined Patent Application Publication No. 2001-213726

In view of the above circumstances, the present invention provides an oil-based cleansing cosmetic composition that, when used by directly applying it to the skin, has good cleansing power as well as good hardness, that is, good hardness and good feel on the skin. The object of the present invention is to provide a solid oily cleansing cosmetic which has a high temperature stability and is excellent in high temperature stability.

An embodiment of the present invention is an oil-based cleansing cosmetic having a specific hardness by combining two types of solid hydrocarbon waxes with different penetration, specific hydrocarbon oils and ester oils, and specific nonionic surfactants. The material has moderate hardness when spread on the skin at room temperature, is easy to use and excellent in high temperature stability, has good compatibility with make-up cosmetics, is excellent in stain removal, and can be used well after washing. I found that I have a feeling, and completed the present invention.

The present invention contains the following (A), (B), (C), (D) and (E), and the cosmetic has a hardness of 50 to 150 g with a 3 mmφ pressure-sensitive axis at 25 ° C. Regarding cosmetics.
(A) 7 to 20% by mass of solid hydrocarbon wax having a penetration of 6 to 20 at 25°C
(B) 1 to 5% by mass of solid hydrocarbon wax having a penetration of 25 to 50 at 25°C
(C) Hydrocarbon oil that is liquid at 25°C 25% by mass or less (D) Ester oil 50 to 90% by mass
(E) 10 to 30% by mass of nonionic surfactant with an HLB value of 3 to 14

In the present invention, the mass ratio of component (D) to the total amount of (A) and (B) is (D) / ((A) + (B)) = 2.5 to 5, or (A) , (D) to the total amount of (B) and (C) may be (D)/((A)+(B)+(C))=2.5-5.

In the present invention, the oily cleansing cosmetic may be solid or stick-shaped.

The oil-based cleansing cosmetic of the present invention has good hardness in addition to good cleansing power, that is, good hardness and good feel on the skin when used by directly applying the oil-based cleansing cosmetic to the skin. It is also excellent in high temperature stability.

As used herein, the term "good cleansing power" means satisfying the three criteria of compatibility with makeup, stain removal, and rinsability at the time of washing off.

In addition, "good hardness" means that when the oil-based cleansing cosmetic is spread on the skin by applying a certain load, it is difficult to lose its original shape while having adhesion to the skin. is. Specifically, it means that the cosmetic has a hardness of 50 to 150 g at a pressure-sensitive axis of 3 mmφ at 25° C. as a physical property value, and that a good feel on the skin can be obtained as a sensory evaluation.

The term "high-temperature stability" means that when the temperature is high, such as in the summer, the contents do not undergo separation, shrinkage, cracks, oil floating (sweating), or other changes in appearance.

<(A) Component>
Component (A) used in the present invention is a solid hydrocarbon wax having a penetration of 6 to 20, preferably 7 to 15, more preferably 7 to 12 at 25°C. The component (A) is used for the purpose of solidifying the liquid oil to an appropriate hardness and maintaining the solid shape. The solidified liquid oil oozes out to provide a good cleansing effect.

In the present invention, the penetration is measured by inserting a prescribed needle (needle mass 2.5±0.02 g, needle holder mass 47.5±0.02 g) into a wax sample kept at 25±0.1 ° C. , Mass of weight 50 ± 0.05 g) is measured for 5 seconds, and the value obtained by multiplying the penetration distance (mm) by 10 is used as the penetration, JIS K-2235 -5.4 (1991).

Further, the term "solid" means that the material exhibits solid properties at 25°C and has a melting point of 65°C or higher, preferably 70°C or higher. Component (A) preferably has a melting point of 65 to 95°C, more preferably 70 to 85°C. If it is 65° C. or higher, the hardness retention is good, and if it is 95° C. or lower, the compatibility with make-up stains is good.

In the present invention, the melting point is measured by Method 3 of the Standards for Cosmetic Ingredients General Test Method. That is, the sample is gradually heated to 90 to 92° C. with stirring to melt, the heating is stopped, and the sample is allowed to cool to a temperature 8 to 10° C. higher than the melting point. Next, after cooling the thermometer (the thermometer for the melting point of petrolatum specified in Japanese Industrial Standard B7410) to 5°C, wipe off the moisture with filter paper, insert half of the mercury ball into the sample, immediately remove it, keep it vertical and let it stand. When it cools down and the adhering sample becomes turbid, immerse it in water at a temperature of 16°C or less for 5 minutes. Next, the thermometer is inserted into the test tube and fixed with a cork so that the distance between the lower end of the thermometer and the bottom of the test tube is 15 mm. This test tube is placed in a 500 mL beaker containing water at about 16°C, and the bottom of the test tube is fixed so that the distance from the bottom of the beaker is 15 mm. Heat in increments of 2°C. Then, the heating is continued so that the temperature rises by 1° C. per minute, and the temperature is measured when one drop of the sample leaves the thermometer. This test is performed 3 times, and when the difference in the measured values is less than 1°C, the average value is taken.

(A) Solid hydrocarbon waxes having a penetration of 6 to 20 at 25° C. include, for example, mineral waxes such as ozokerite and ceresin; petroleum waxes such as paraffin and petrolatum; Fischer-Tropsch wax; Synthetic hydrocarbons such as polyethylene waxes are included. Among these, ceresin, paraffin, and polyethylene wax are preferred, and paraffin is more preferred.

As these waxes, commercially available products can be used. HNP-3, 9, SP-0145, 0160, 0165, 1039, 3035, 3040 (above, Nippon Seiro Co., Ltd.); FT-0070, 0165 (above, Nippon Seiro Co., Ltd.) as Fischer-Tropsch wax; polyethylene wax Examples thereof include PERFORMALENE PL POLYETHYLENE, PERFORMALENE 400, 500 (both of which are manufactured by NEW PHASE TECHNOLOGIES).

Component (A) can be used alone or in combination of two or more, and from the viewpoint of good hardness and high temperature stability, the content is 7 to 20% by mass in the total composition, preferably 8 ~18% by mass, more preferably 10 to 16% by mass. When the blending amount is 7% by mass or more, the liquid oil in the solid oil crystals does not seep out, and the high-temperature stability is good. In addition, when the blending amount is 20% by mass or less, the crystals of the solid oil are likely to crumble, and the feeling when touching the skin does not become hard, making it possible to apply the oil uniformly.

<(B) Component>
Component (B) is a solid hydrocarbon wax having a penetration of 25 to 50, preferably 28 to 40 at 25°C. The component (B) is used for the purpose of solidifying the liquid oil to an appropriate hardness and maintaining the solid shape. The solidified liquid oil oozes out to provide a good cleansing effect.

By combining component (A) with different penetration with component (B), a stronger wax crystal structure can be formed, and a balance between moldability, storage stability, and coatability can be achieved.

Examples of such wax include microcrystalline wax, paraffin wax and the like, and microcrystalline wax is preferred.

These waxes can be commercially available products, for example, as microcrystalline waxes, Multiwax W-445 (SONNEBORN), Hi-Mic-1045, 1070 (both Nippon Seiro Co., Ltd.), refined microcrystalline wax ( Nikko Rica Co., Ltd.) and the like.

The melting point of component (B) is preferably 65 to 95°C, more preferably 70 to 85°C. If it is 65° C. or higher, the hardness retention is good, and if it is 95° C. or lower, the compatibility with make-up stains is good.

Component (B) can be used alone or in combination of two or more. From the viewpoint of good hardness and high temperature stability, the content is 1 to 5% by mass in the total composition, preferably 1 .5 to 4.5 mass %, more preferably 2 to 4 mass %. When the blending amount is 1% by mass or more, the liquid oil in the solid oil crystals does not seep out, resulting in good high-temperature stability. In addition, when the blending amount is 5% by mass or less, the crystals of the solid oil are likely to crumble, and the feeling when touching the skin does not become hard, and uniform application is possible.

<(C) Component>
The hydrocarbon oil of component (C) used in the present invention is liquid at 25°C. Component (C) is used for the purpose of improving compatibility with makeup and reducing friction. Examples of such hydrocarbon oils include squalane, liquid paraffin, liquid isoparaffin, heavy liquid isoparaffin, polybutene, hydrogenated polyisobutene, and hydrogenated polydecene. Loaded polyisobutene is preferred.

Component (C) can be used alone or in combination of two or more, and from the viewpoint of applicability to the skin and compatibility with makeup cosmetics, the content is 25% by mass or less in the total composition. , preferably 1 to 20% by mass, more preferably 1.5 to 15% by mass. If the blending amount is 25% by mass or less, the rinsability is good and no sticky feeling is felt after washing.

<(D) Component>
The (D) component ester oil used in the present invention has a viscosity at 25° C. of 100 mPa·s or less, preferably 1 to 60 mPa·s. Component (D) is used for the purpose of improving compatibility with makeup, and if the viscosity is 100 mPa·s or less, the applicability to the skin and compatibility with makeup cosmetics will be good.

In the present invention, the viscosity is measured using a Brookfield rotational viscometer (Eiko Seiki Co., Ltd.: DV-1) at 25° C. under rotor No. 1 was measured at a rotation speed of 60 rpm for a rotation time of 30 seconds.

Examples of such ester oils include vegetable oils such as jojoba oil, sunflower oil, linseed oil, and soybean oil; Ethylhexyl, cetyl ethylhexanoate, propylene carbonate, propylene glycol dicaprate, propanediol diisostearate, di(caprylic/caprylic) propanediol, tri(caprylic/capric) glyceryl, triethylhexanoin, tri-2-ethylhexane Examples thereof include fatty acid esters such as acid trimethylolpropane. Among them, ethylhexyl palmitate, cetyl ethylhexanoate, and tri(caprylic/capric)glyceryl are preferable.

Component (D) can be used alone or in combination of two or more, and from the viewpoint of applicability to the skin and compatibility with makeup cosmetics, the content is 50 to 90 mass in the total composition. %, preferably 50 to 80% by mass, more preferably 50 to 70% by mass. When the blending amount is 50% by mass or more, compatibility with makeup cosmetics and removal of makeup stains are good, and when the blending amount is 90% by mass or less, the rinsability is good and the feeling of stickiness after washing is good. I can't feel it.

<(E) component>
The nonionic surfactant, component (E), used in the present invention is intended to facilitate compatibility between the make-up cosmetic and the cleansing ingredient and to facilitate cleaning. From the viewpoint of compatibility with makeup cosmetics and solubility in water when washed off, it is possible to use one or a combination of two or more nonionic surfactants with an HLB value of 3 to 14. desirable. By blending a plurality of nonionic surfactants with different HLB values in combination, it is possible to obtain well-balanced performance.

The nonionic surfactant is not particularly limited, but examples include glycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil, polyoxyethylene alkyl ether, fatty acid polyoxyethylene glyceryl, Examples include polyether-modified silicone, polyglycerin-modified silicone, and the like.

In addition, the "HLB (hydrophile-lipophile balance) value" referred to here is empirically derived from emulsification tests by Griffin of Atlas Powder, Inc., using its own nonionic surfactant. A formula representing the relationship between this HLB value and the chemical structure of a surfactant has been proposed (see "New Cosmetics Handbook" Nikko Chemicals Co., Ltd. (published October 30, 2006)).

Examples of such nonionic surfactants include PEG-20 glyceryl triisostearate (HLB: 8.0), PEG-5 glyceryl triisostearate (HLB: 3.0), PEG-15 glyceryl oleate (HLB: 14.0), PEG-60 hydrogenated castor oil (HLB: 13.5), sorbeth-30 tetraoleate (HLB: 11.5), PEG-15 glyceryl stearate (HLB: 9.5), capric acid Polyglycerin (HLB: 9.5), (C12-C14) pareth-3 (HLB: 8.0) and the like. Among them, fatty acid polyoxyethylene glyceryl and more preferably polyoxyethylene glyceryl triisostearate having an ethylene oxide addition mole number of 10 to 30 mol are more preferable.

Further, from the viewpoint of ease of washing away, in the present invention, the content of component (E) is 10 to 30% by mass, preferably 10 to 25% by mass, more preferably 10 to 20% by mass in the total composition. %. When the blending amount is 10% by mass or more, makeup stains are removed well, and when the blending amount is 30% by mass or less, no burden or irritation is felt on the skin.

The oil-based cleansing cosmetic composition of the present invention has a hardness of 50 to 150 g, more preferably 70 to 140 g, at 25° C. with a pressure-sensitive axis of 3 mmφ. Within this range, the feel on the skin at room temperature is good, the application is excellent, the burden on the skin is small, and the high-temperature stability is good.

In the present invention, "hardness" is measured using Cardmeter Max ME-305 manufactured by Itechno Co., Ltd. at 25°C, the diameter of the pressure-sensitive shaft is 3 mmφ, and the sample stage rises at a rate of 0.36 cm/sec. The breaking load applied to the pressure-sensitive shaft when

In the present invention, the mass ratio (D)/((A)+(B)) of component (D) to the total amount of components (A) and (B) is applicability to the skin and compatibility with makeup cosmetics. It is preferably 2.5 to 5, more preferably 2.5 to 4.8, from the viewpoints of ease and rinsability.

In the present invention, the mass ratio of component (D) to the total amount of components (A), (B) and (C) (D) / ((A) + (B) + (C)) is the applicability to the skin 2.5 to 5 is preferable, and 2.5 to 4.5 is more preferable, from the viewpoints of compatibility with make-up cosmetics and rinsability.

The dosage form of the oil-based cleansing cosmetic of the present invention is a cleansing cosmetic that does not flow at normal temperature (25 ° C.) and normal pressure (1 atm), and its shape is rod-shaped, plate-shaped, and cast into a container. However, from the viewpoint of improving ease of use, good moldability, and good spreadability, the oily cleansing cosmetic is filled in a stick container or the like and applied directly to the skin without staining the hands. It is preferably used for

The term “oily” means that the cosmetic contains substantially no water, and the water content relative to the total amount of the cosmetic is preferably less than 3% by mass, more preferably less than 2% by mass, and even more preferably less than 2% by mass. It is less than 1% by mass.

The oily cleansing cosmetic of the present invention may further contain an oily gelling agent within a range that does not impair the effects of the present invention. Oily gelling agents are those used in ordinary cosmetics, and examples thereof include metal soaps, organically modified clay minerals, dextrin fatty acid esters, and the like.

In addition to the essential ingredients described above, the oil-based cleansing cosmetic composition of the present invention contains powders, oil thickeners other than those described above, moisturizers, plant extracts, vitamins, and antioxidants, as long as the objects of the present invention are not impaired. , preservatives, bactericides, ultraviolet absorbers, antiphlogistic agents, insect repellents, physiologically active ingredients, fragrances, essential oils, and the like. In addition, each of these agents is not limited to the use as each agent, and depending on the purpose, other uses, such as using vitamins as antioxidants and other uses, such as insects It can be used as a repellent and as a perfume.

Examples of the physiologically active ingredient include substances that impart some physiological activity to the skin when applied to the skin. For example, anti-inflammatory agents, anti-aging agents, UV protection agents, tightening agents, antioxidants, moisturizing agents, blood circulation promoting agents, antibacterial agents, bactericidal agents, drying agents, cooling agents, warming agents, vitamins, amino acids, Examples thereof include wound healing promoters, stimulant relievers, analgesics, cell activators, enzyme components, and the like. The physiologically active ingredients include natural plant extracts, seaweed extracts, herbal medicines, compounds, etc. Among these, natural plant extracts, seaweed extracts, and herbal medicines are particularly safe point is preferable.

Ingredients other than the above natural plant extract ingredients, seaweed extract ingredients, and crude drug ingredients include, for example, deoxyribonucleic acid, mucopolysaccharides, sodium hyaluronate, sodium chondroitin sulfate, collagen, elastin, chitin, chitosan, and hydrolyzed eggshell membrane. Moisturizing ingredients such as amino acids, sodium lactate, urea, sodium pyrrolidonecarboxylate, betaine, whey, sphingolipids, ceramides, cholesterol, cholesterol derivatives, oily ingredients such as phospholipids, ε-aminocaproic acid, glycyrrhizic acid , β-glycyrrhetinic acid, lysozyme chloride, guaiazulene, anti-inflammatory agents such as hydrocortisone, vitamins (A, B2, B6, C, D, E), calcium pantothenate, biotin, nicotinamide, vitamin C ester, etc. Active ingredients such as allantoin, diisopropylamine dichloroacetate, 4-aminomethylcyclohexanecarboxylic acid, tocopherol, carotenoids, flavonoids, tannins, lignans, saponins and other antioxidants, α-hydroxy acids, β-hydroxy acids and other cells activators, blood circulation promoters such as γ-oryzanol and vitamin E derivatives, disinfectants such as isopropylmethylphenol, triclosan, hinokitiol, and benzalkonium chloride, cooling agents such as l-menthol and peppermint oil, retinol, retinol derivatives, etc. and wound healing agents.

The oil-based cleansing cosmetic composition of the present invention can be suitably used as a skin cleansing cosmetic composition, and can be applied to any of the scalp, face, body, limbs, etc., rubbed to make the dirt blend in, and then wiped off or washed with water. can be used by

Examples 1-4 and Comparative Examples 1-14
Oil-based cleansing cosmetics were prepared with the compositions shown in Table 1, hardness was measured, and high-temperature stability, compatibility with makeup cosmetics, makeup stain removal, and rinsability were evaluated. The results are also shown in Table 1. Moreover, although the present invention will be described with reference to Examples, the present invention is not limited to these Examples.

(Production method)
All the components shown in Table 1 were heated and melted at 100° C. and uniformly mixed to obtain a bulk oil-based cleansing cosmetic composition. The bulk was directly filled into a stick container at 80° C. and solidified by cooling to obtain a stick-type oily cleansing cosmetic.

(Evaluation method)
(1) Hardness:
A measurement sample is obtained by heating and melting the bulk to 100° C., mixing it uniformly, pouring it into a stick container, cooling and solidifying it at 0° C., and leaving it at 25° C. for 2 hours or longer. This sample was measured at 25° C. using Cardmeter Max ME-305 manufactured by Itechno Co., Ltd. with a pressure-sensitive shaft having a diameter of 3 mmφ and a spring weight of 200 g. The breaking load (unit: g) applied to the pressure-sensitive shaft when the sample table rises at a speed of 0.36 cm/sec is obtained and used as the hardness.

(2) Feeling on the skin A panel of 10 experts evaluated the ease of spreadability when using the oil-based cleansing cosmetics shown in Examples and Comparative Examples at room temperature, and the feeling on the skin was evaluated according to the following criteria.
judgement
◎: Very easy to crumble, spreads well, gives a smooth feeling of use ○: Slightly crumbles, spreads slightly well, almost no friction feeling △: Slightly difficult to crumble, slightly poor spread, friction feeling : Very difficult to collapse, poor elongation, large friction feeling -: Significant change in appearance

(3) High temperature stability:
Fill a stick container with an oil-based cleansing cosmetic, store the container upright in an environment of 45 ° C. After 2 months, open the lid, separate the contents, shrink, crack, perspiration, etc. Appearance change. was observed and the stability was evaluated according to the following criteria.
judgement
〇: Almost no change in appearance △: Cracks, perspiration, etc. can be seen ×: Significant changes such as separation and shrinkage can be seen

(4) Cleansing power test:
Compatibility with make-up cosmetics, make-up stain removal and rinsability were evaluated by the following sensory property tests.
A panel of 10 experts conducted the following tests on "compatibility with make-up cosmetics", "make-up stain removal" and "rinsability" when using the oil-based cleansing cosmetics shown in Examples and Comparative Examples at room temperature. Five grades were evaluated according to the standard, and the average value (rounded to the first decimal place) was shown.
5-step evaluation
5 points: very good 4 points: good 3 points: average 2 points: somewhat poor 1 point: bad

From the results in Table 1, the oily cleansing cosmetics of each example have moderate hardness compared to those of each comparative example, and are excellent in ease of use and high temperature stability, while making up cosmetics. It can be seen that it has good conformability, is excellent in stain removal, and has a good feeling after washing.

Hereinafter, formulation examples of the oil-based cleansing cosmetic according to the present invention are shown.

Formulation example 1
(Component name) (% by mass)
1. Paraffin wax (penetration 12) 15.0
2. Microcrystalline wax (penetration 34) 3.0
3. Liquid paraffin 4.0
4. Ethylhexyl palmitate balance 5. Tri(caprylic/capric)glyceryl 2.5
6. Cetyl ethylhexanoate 2.5
7. PEG-20 glyceryl triisostearate (HLB: 8.0) 15.0
8. Sorbeth-30 tetraoleate (HLB: 11.5) 3.0
9. Tocopherol 0.05
10. Lavender oil 0.01511. Orange oil 0.02
12. Bergamot oil 0.01513. Jojoba oil 0.00114. Shea butter 0.00115. Appropriate amount of pigment 16. Phenoxyethanol 0.05

Formulation example 2
(Component name) (% by mass)
1. Paraffin wax (penetration 12) 11.0
2. Microcrystalline wax (penetration 34) 5.0
3. Liquid paraffin 4.0
4. Ethylhexyl palmitate balance 5. Tri(caprylic/capric)glyceryl 2.5
6. Glyceryl behenate 0.5
7. Octadeca (behenate/hydroxystearate) polyglyceryl-20 1.0
8. PEG-20 glyceryl triisostearate (HLB: 8.0) 20.0
9. Tocopherol 0.0510. Carrot oil 0.0511. Olive juice extract trace amount 12. Phenoxyethanol 0.05

Claims (5)

An oil-based cleansing cosmetic containing the following components (A), (B), (C), (D) and (E) and having a hardness of 50 to 150 g at 25° C. with a pressure-sensitive axis of 3 mmφ.
(A) 7 to 20% by mass of solid hydrocarbon wax having a penetration of 6 to 20 at 25°C
(B) 1 to 5% by mass of solid hydrocarbon wax having a penetration of 25 to 50 at 25°C
(C) Hydrocarbon oil that is liquid at 25°C 25% by mass or less (D) Ester oil 50 to 90% by mass
(E) 10 to 30% by mass of nonionic surfactant with an HLB value of 3 to 14 The oily cleansing cosmetic according to claim 1, wherein the mass ratio of (D) to the total amount of (A) and (B) is (D) / ((A) + (B)) = 2.5 to 5. . The mass ratio of (D) to the total amount of (A), (B) and (C) is (D)/((A) + (B) + (C)) = 2.5 to 5. Item 1 or 2 oily cleansing cosmetics. The oily cleansing cosmetic according to any one of claims 1 to 3, which is in solid form. The oil-based cleansing cosmetic according to any one of claims 1 to 4, which is in the form of a stick.