JPH10236922A - Cleanser composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition having excellent cleansability, rinsability and touch by adding an oiling agent and an oil-soluble surfactant to a system comprising a specific N-alkylamidoalkanol sulfuric acid ester salt, a water-soluble compound and water. SOLUTION: This cleanser composition is obtained by adding an oil phase comprising (D) an oil-soluble anionic surfactant or a nonionic surfactant and (E) an oiling agent to a continuous phase comprising (A) an N-alkylamidoalkanol sulfuric acid ester salt of the formula [R<1> is a 6-22C alkyl, etc.; R<2> is a 1-22C alkyl, etc.; R<3> is a 1-5C alkylene; R<4> O is a 2-3C oxyalkylene; (n) is 0-20; M is H, an alkali metal, etc.), (B) a water-soluble compound having one or more hydroxyl groups and used in usual cosmetics, etc., e.g. glycerol, and (C) water. The components A, b, C, D and E are preferably formulates in amounts of 1-70wt.%, 1-80wt.%, 5-20wt.%, 3-30wt.% and 1-60wt.%, respectively, based on the whole composition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION The present invention relates to a cleansing composition, and more particularly to a composition having good permeability to skin details.
The present invention relates to a cleansing agent composition having excellent detergency, rinsing properties and feeling upon use.

[0002]

2. Description of the Related Art Conventionally, methods for obtaining a gel-like cleansing agent composition include (1) a nonionic surfactant /
Method of adding oil to a water / polyol system
No. 61-37709), (2) a method using a water-soluble polymer such as a carboxyvinyl polymer, (3) a method of gelling an oil with a fatty acid soap, a dextrin fatty acid ester, etc., (4) a monoalkyl phosphate / A method of gelling an oil with a water / polyol system (Japanese Patent Application Laid-Open No. 63-225312) is known.

However, the method (1) has drawbacks such as poor temperature stability and limited oils that can be blended because the stability of the system is affected by temperature.
In addition, the method (2) has a disadvantage that the detergency is not sufficient because oil cannot be added, and the method (3) has a hot flash peculiar to the fatty acid ester oil, and has a high hydrophilicity and is easy to use. However, there was a drawback that only oil remained after being washed by water. Furthermore, the method (4) has good temperature stability of the system and excellent moisturizing effect on the skin, but has disadvantages such as detergency as a cleansing agent and residual feeling on the skin after rinsing. was there.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a cleansing composition having excellent detergency, rinsing property and feeling upon use.

[0005]

Under such circumstances, the present inventors have conducted intensive studies and as a result, have found that a system containing a specific N-alkylamide alkanol sulfate, a water-soluble compound and water contains an oil agent and an oil. By adding a soluble surfactant, it was found that a cleansing agent composition having high detergency and rinsing properties and a good feeling in use was obtained, and thus completed the present invention.

That is, the present invention provides a compound represented by the general formula (1)

[0007]

Embedded image

(Wherein, R ¹ represents a linear or branched alkyl or alkenyl group having 6 to 22 carbon atoms, R ² represents an alkyl group, alkenyl group or hydrogen atom having 1 to 22 carbon atoms; R ³ represents a linear or branched alkylene group having 1 to 5 carbon atoms; R ⁴ O represents an oxyalkylene group having 2 to 3 carbon atoms; n represents an arbitrary number of 0 to 20; R ⁴ O may be the same may be different or .M a hydrogen atom, an alkali metal, alkaline earth metal, ammonium, 2 to the total number of carbon atoms of
9 represents an alkanol ammonium, an alkyl ammonium or alkenyl ammonium having 1 to 22 carbon atoms, an alkyl or alkenyl substituted pyridinium having 1 to 18 carbon atoms, or a basic amino acid. )
A cleansing agent obtained by adding an oil phase containing an oil-soluble anionic surfactant or a nonionic surfactant and an oil to a continuous phase containing an alkylamide alkanol sulfate, a water-soluble compound having a hydroxyl group and water. It provides a composition.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION In the cleansing agent composition of the present invention, the continuous phase comprises an N-alkylamide alkanol sulfate (1) and a water-soluble compound having a hydroxyl group (hereinafter, referred to as a “water-soluble compound”).
Water-soluble compounds) and water. The N-alkylamide alkanol sulfate salt used here is represented by the general formula (1). In the general formula (1), the number of carbon atoms represented by R ¹ is 6 to 22.
Examples of the linear or branched alkyl or alkenyl group include hexyl, octyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, isostearyl,
Groups such as eicosyl and docosyl, having 6 to 22 carbon atoms;
Is preferred from the viewpoint of foaming properties, and a straight-chain alkyl group having 8 to 18 carbon atoms is particularly preferred.

Examples of the alkyl or alkenyl group having 1 to 22 carbon atoms represented by R ² include groups such as methyl, ethyl, propyl and butyl, as well as the alkyl and alkenyl groups exemplified for R ¹ above. No. As R ² , a hydrogen atom or a methyl group is particularly preferred from the viewpoint of foaming properties, safety and chemical stability.

The linear or branched alkylene group having 1 to 5 carbon atoms represented by R ³ is preferably a methylene group, a pentylene group or a 2-methylbutylene group. It is preferable in terms of stability.

The oxyalkylene group having 2 to 3 carbon atoms represented by R ⁴ O is preferably an oxyethylene group or an oxypropylene group. n represents an arbitrary number from 0 to 20,
Any number of n = 0 to 10 is preferable, and n = 0 is particularly preferable. The n R ⁴ Os may be the same or different.

M is a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium, an alkanol ammonium having 2 to 9 carbon atoms, an alkyl ammonium or alkenyl ammonium having 1 to 22 carbon atoms, an alkyl or alkenyl having 1 to 18 carbon atoms. The term "substituted pyridinium" or "basic amino acid" refers to ammonium, sodium, potassium, or alkanol ammonium having 2 to 9 carbon atoms in terms of foamability, and more preferable are ammonium, sodium, and triethanol ammonium.

As the N-alkylamide alkanol sulfate, in the general formula (1), R ¹ has 6 to 6 carbon atoms.
22 linear or branched alkyl groups, R ² is a hydrogen atom or a methyl group, R ³ is a linear or branched alkylene group having 1 to 5 carbon atoms, R ⁴ O is an oxyethylene group or an oxypropylene group, Preferably n is any number from 0 to 10 and M is ammonium, sodium, potassium or alkanolammonium having 2 to 9 total carbon atoms; in particular, R ¹ has 8 to ¹ carbon atoms.
8, a linear alkyl group, R ² is a hydrogen atom or a methyl group, R ³
Is a linear alkylene group having 1 to 5 carbon atoms, n is 0, M is ammonium, sodium or triethanolammonium; and R ¹ is a linear alkyl group having 8 to 18 carbon atoms, R ²
Is a hydrogen atom, R ³ is a methylene group, a pentylene group or 2-
A methylbutylene group, wherein n is 0 and M is ammonium, sodium or triethanolammonium;
¹ is a linear alkyl group having 8 to 18 carbon atoms, R ² is a hydrogen atom, R
Preferably, ³ is a methylene group, n is 0, M is ammonium, sodium or triethanolammonium.

The N-alkylamide alkanol sulfate (1) can be produced, for example, according to the method described in JP-A-7-267917.

Preferred examples of the N-alkylamide alkanol sulfate (1) are as follows.

CH_Three(CH_Two)₁₁NHCOCH_TwoOSO_ThreeNH_Four, CH_Three(CH_Two)₁₁NH
CO (CH_Two)_FiveOSO_ThreeNH_Four, CH_Three(CH_Two)₉NHCOCH _TwoOSO_ThreeNH_Four, CH_Three(CH_Two)
₁₁N (CH_Three) COCH_TwoOSO_ThreeNa, CH_Three(CH_Two)₁₁NHCOCH_TwoOSO_ThreeNa, CH
_Three(CH_Two) ₁₁NHCO (CH_Two)_TwoOSO_ThreeNa, CH_Three(CH_Two)₁₁NHCO (CH_Two)_ThreeOSO_Three
Na, CH_Three(CH_Two)₁₁NHCO (CH_Two)_FourOSO_ThreeNa, CH_Three(CH_Two)₁₁NHCO (C
H_Two)_FiveOSO_ThreeNa, CH_Three(CH_Two)₁₁NHCOCH_TwoCH (CH_Three) CH_TwoCH_TwoOSO_ThreeNa,
CH _Three(CH_Two)₁₁NHCOCH_TwoCH (CH_Three) CH_TwoCH_TwoOSO_ThreeK, CH_Three(CH_Two)₁₃NHC
O (CH_Two)_ThreeOSO_ThreeNa, CH_Three(CH_Two)_{1 Three}NHCO (CH_Two)_ThreeOSO_ThreeNH_Four, CH_Three(CH
_Two)₁₃NHCO (CH_Two)_FourOSO_ThreeNH_Four, CH_Three(CH_Two)₉NHCO (CH_Two)_ThreeOSO_ThreeNa,
CH_Three(CH_Two)₉NHCO (CH_Two)_ThreeOSO_ThreeHN (CH_TwoCH_TwoOH)_Three, CH_Three(CH_Two)₉NHC
O (CH_Two)_ThreeOSO_ThreeH_TwoN (CH_TwoCH_TwoOH)_Two, CH_Three(CH_Two)₉NHCO (CH_Two)_ThreeOSO_Three
H_ThreeNCH_TwoCH_TwoOH, CH_Three(CH_Two)₉NHCO (CH_Two)_FiveOSO_ThreeNa, CH_Three(CH_Two)₇NH
CO (CH_Two)_FourOSO_ThreeNa, CH_Three(CH_Two)₁₁N (CH_Three) CO (CH_Two)_ThreeOSO_ThreeNa, CH
_Three(CH_Two)₁₃N (CH_Three) CO (CH_Two)_FourOSO_ThreeNa, CH_Three(CH_Two)₁₁NHCO (CH_Two)_Three
OCH_TwoCH_TwoOSO_ThreeNa, CH_Three(CH_Two)₁₁NHCO (CH_Two)_FourOCH_TwoCH (CH_Three) OSO_Three
Na, CH_Three(CH_Two)₉NHCO (CH_Two)_FourO (CH_TwoCH_TwoO)_FiveSO_ThreeNa, CH_Three(CH_Two)
₁₁N (CH _Three) CO (CH_Two)_ThreeOSO_ThreeNH_Four, CH_Three(CH_Two)₁₁N (CH_Three) CO (CH_Two)_FourO
SO_ThreeNa, CH_Three(CH_Two)₁₁NHCO (CH_Two)_ThreeOSO_ThreeNH_Four, CH_Three(CH_Two)₁₁NHCO
(CH_Two)_FourOSO_ThreeNH_Four

The N-alkylamide alkanol sulfate (1) can be used alone or in combination of two or more. The amount of the compounding agent in the cleansing agent composition of the present invention is not particularly limited, but is 1 to 70% by weight, particularly 3 to 70% by weight, and further 5 to 60% by weight in the whole composition.
It is preferable to mix them.

The water-soluble compound has a hydroxyl group and is not particularly limited as long as it is used in ordinary cosmetics and the like. For example, glycerin, ethylene glycol, diethylene glycol, triethylene glycol,
Isoprene glycol, hexanediol, butylene glycol, heptanediol, hexylene glycol,
Examples include pentanediol, butanediol, propylene glycol, butylene glycol, dipropylene glycol (molecular weight 60 to 2,000), sorbitol, maltitol and the like. Of these, trihydric or higher polyhydric alcohols such as glycerin, sorbitol, and maltitol are particularly preferable.

These water-soluble compounds can be used alone or in combination of two or more.
It is preferable to mix 80% by weight, especially 10 to 80% by weight, and more preferably 20 to 80% by weight, because higher detergency and rinsing properties can be obtained.

The continuous phase formed by the N-alkylamide alkanol sulfate (1), the water-soluble compound and water may further contain other components such as fatty acid monoglyceride and polyoxyalkylene-added nonionic surfactant, if necessary. Water-soluble surfactants and auxiliary surfactants can be added.

The water to be added in the preparation of the cleansing agent composition does not need to be particularly added because the water-soluble compound is often in the form of an aqueous solution. It is preferred to add it to 20% by weight, especially 7 to 15% by weight.

On the other hand, in the cleansing agent composition of the present invention, the oil phase contains an oil-soluble anionic or nonionic surfactant and an oil agent. Here, the oil-soluble surfactant means that when the surfactant and the oil component are mixed, a transparent appearance in uniform dissolution is obtained without showing cloudiness due to two-phase separation in a temperature range of 10 to 40 ° C. When applied to the skin after application of the cleansing composition of the present invention, the composition has an effect of improving self-emulsifying properties, rinsing properties, and feeling upon use when washed off with water.

Among them, nonionic surfactants include:
Those having an HLB of 3 to 10, particularly preferably 6 to 10, are preferred. Specifically, polyoxyethylene alkyl ether, polyoxypropylene alkyl ether, polyoxyethylene alkyl phenyl ether, polyethylene glycol fatty acid ester, and oxidation of propylene glycol fatty acid ester Ethylene oxide derivatives, ethylene oxide derivatives of polyoxyethylene sorbitan fatty acid esters, mono- or polyglycerin fatty acid esters, ethylene oxide derivatives of trimethylolpropane fatty acid esters, polyoxyethylene hydrogenated castor oil, polyoxyethylene hydrogenated castor oil fatty acid esters, polyoxyethylene Polyoxyalkylene-added nonionic surfactants such as hydrogenated castor oil pyroglutamate and polyoxyethylene glyceryl pyroglutamate; Preferred examples include sucrose fatty acid esters; alkyl glucosides; polyglycerin fatty acid esters; polyglycerin alkyl ethers. Note that HLB refers to a balance between hydrophilicity and lipophilicity, and in the present invention, a value calculated by the following equation by Oda and Teramura was used.

[0025]

(Equation 1)

In order to increase the HLB value, there are methods such as increasing the number of moles of ethylene oxide added or using polyethylene glycol or polyglycerin having a large molecular weight. The degree of etherification and the degree of etherification can be increased (in the case of polyhydric alcohol).

Examples of the anionic surfactant include fatty acid, alkyl sulfate, alkyl ether carboxylic acid, polyoxyethylene alkyl ether sulfate, phosphate ester, N-acyl amino acid, and the like.
Surfactants such as isethionate-based and sulfosuccinic acid-based surfactants are preferable, and among them, phosphate ester-based, isethionate-based, and sulfosuccinic acid-based surfactants are more preferable because they have lower irritation.

These surfactants can be used alone or in combination of two or more. It is preferable to add 3 to 30% by weight to the total composition of the cleansing composition of the present invention. 20% by weight and 7-17% by weight
Sufficient detergency and washability are obtained, and the stability of the composition is also good, which is preferable.

As the oil agent, any of a liquid oil and a solid fat can be used, and all oil agents recognized as raw materials for cosmetics can be used. Such oils include, for example, hydrocarbons, higher alcohol higher fatty acid esters, higher alcohols, higher fatty acids, animal and vegetable oils and fats, cholesterol fatty acid esters, and the like. Preferred are liquid paraffin, solid paraffin, vaseline, and olive oil. Squalane, hydrogenated coconut oil, jojoba oil, triglyceride 2-ethylhexanoate, octadecyl myristate, isostearyl cholesteryl ester, silicone oil and the like. These oils can be used alone or in combination of two or more, and preferably 1 to 60% by weight, more preferably 3 to 50% by weight, more preferably 5 to 45% by weight in the total composition.
It is particularly preferable because the rinsing property and the feeling upon use are improved.

In the oil phase components, the mixing ratio of the oil agent and the surfactant is such that the weight ratio of the oil agent / surfactant is 6/4 to 9.5 / 0.5,
It is particularly preferably 7/3 to 9/1.

The cleansing composition of the present invention may further contain components usually used in cosmetics, pharmaceuticals, etc., for example, a medicinal agent, a moisturizing component, an anti-inflammatory agent, a bactericide, a preservative, an ultraviolet absorber, an antioxidant. In addition, organic and inorganic powders, pigments, fragrances, and the like can be appropriately blended as needed within a range that does not impair the effects of the present invention.

The cleansing agent composition of the present invention comprises a continuous phase formed from an N-alkylamide alkanol sulfate (1), a water-soluble compound and water, and an oil-soluble anionic or nonionic surfactant. It is produced by adding an oily phase containing oil and an oil agent. More specifically, preferably 0.1 to 60% by weight, particularly preferably 0.5 to 10% by weight, based on the aqueous solution of the water-soluble compound containing preferably at least 60% by weight, particularly preferably at least 80% by weight of the water-soluble compound. % Of the N-alkylamide alkanol sulfate (1) is dissolved to prepare a continuous phase. The oil phase is added to the continuous phase and mixed to form an O /
A W-shaped transparent or translucent cleansing agent composition can be obtained. The continuous phase accounts for 1 to 40% by weight of the total composition,
It is particularly preferably 5 to 30% by weight, and the oil phase is preferably 10 to 95% by weight, particularly preferably 40 to 90% by weight in the whole composition.

The cleansing agent composition of the present invention can be prepared in a wide temperature range, unlike the conventional gel emulsification method using a nonionic surfactant, and is usually from room temperature to 80 ° C.
By operating in the vicinity, a transparent or translucent cleansing agent composition having the same good properties can be obtained.

The cleansing agent composition of the present invention can be used for cleansing or massage. For example, it can be used as a facial cleanser, cleanser, cleansing cream, massage cream, shampoo, etc. It is suitable as a face wash for removing ingredients.

[0035]

The cleansing agent composition of the present invention has good penetration into skin details, excellent detergency, rinsing properties and feeling upon use, and has a stable gel state of the system.
Further, the cleansing agent composition of the present invention has a good self-emulsifying property when washed away with water, and has an extremely excellent feeling in use after washing.

[0036]

EXAMPLES Next, the present invention will be further described with reference to examples, but the present invention is not limited to these examples.

Example 1 A cleansing agent composition having the composition shown in Table 1 was produced by the following method, applied to the skin of a person applying makeup, massaged, washed with water, and rinsed during washing. , Detergency and freshness after washing were evaluated according to the following criteria. Table 1 shows the obtained results.

(Preparation method) Components (1) to (6) are mixed and dissolved (heated if necessary), and components (12) to (14) are dissolved in components (7) to (11) with stirring. The obtained oil phase is added to obtain a cleansing agent composition.

(Evaluation criteria) Very good: A Good: 。. Normal:. Bad: ×.

[0040]

[Table 1]

Each of the cleansing agent compositions of the present invention has excellent detergency and rinsing properties of makeup cosmetics,
It was refreshing and the feeling of use was good.

Example 2 (cleansing cosmetic)

(Table 2) (Composition) (% by weight) (1) nC ₁₂ H ₂₅ NHCOCH ₂ OSO ₃ Na 2.0 (2) Glycerin 16.25 (3) Water balance (4) Neopentyl glycol dicaprate 11.0 (5) Diisopropyl adipate 20.0 (6) Squalane 30.0 (7) Methylpolysiloxane 5.0 (8) Polyoxyethylene triisostearate Trimethylolpropane (25E.O., HLB9) 14.0 (9) Fragrance trace amount (10) Preservative trace amount

(Preparation method) The components (1) to (3) were mixed and dissolved, and the oil phase in which the components (4) to (10) were dissolved was added thereto with stirring.
Obtain cleansing cosmetics.

Example 3 (Cleansing cosmetic)

(Table 3) (Composition) (% by weight) (1) nC ₁₂ H ₂₅ N (CH ₃ ) CO (CH ₂ ) ₃ OSO ₃ NH ₄ 1.80 (2) Glycerin 16.0 (3) Ethanol 0.25 (4) Water balance ( 5) 2-ethylhexanoic acid triglyceride 33.0 (6) polyisobutene 33.0 (7) polyoxyethylene triisostearate glyceryl (20E.O., HLB8) 14.0 (8) Fragrance trace amount (9) Preservative trace amount

(Preparation method) The components (1) to (4) are dissolved, and the oil phase in which the components (5) to (9) are dissolved is added thereto with stirring to obtain a cleansing cosmetic.

Example 4 (Massage cosmetics)

(Table 4) (Composition) (% by weight) (1) nC ₁₂ H ₂₅ NHCO (CH ₂ ) ₅ OSO ₃ Na 2.10 (2) Glycerin 15.00 (3) Water balance (4) Sorbitol 1.0 (5) Olive oil 40.0 (6) ) Liquid paraffin 12.60 (7) Squalane 13.0 (8) Glyceryl polyoxyethylene triisostearate (20E.O., HLB8) 10.0 (9) Sorbitol polyoxyethylene tetraoleate (30E.O., HLB10) 4.4 (10) ) Fragrance trace (11) Preservative trace

(Preparation method) The components (1) to (4) are dissolved, and the oil phase in which the components (5) to (11) are dissolved is added thereto with stirring to obtain a massage cosmetic.

Each of the products of the present invention obtained in Examples 2 to 4 was excellent in detergency and rinsing properties, and also had a good feeling in use.

Claims (1)

[Claims] [Claim 1] General formula (1) (Wherein, R ¹ represents a linear or branched alkyl group or alkenyl group having 6 to 22 carbon atoms, R ² represents an alkyl group, alkenyl group or hydrogen atom having 1 to 22 carbon atoms, and R ³ represents A linear or branched alkylene group having 1 to 5 carbon atoms;
⁴ O represents an oxyalkylene group having 2 to 3 carbon atoms, n represents an arbitrary number of 0 to 20, and n R ⁴ Os may be the same or different. M is a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium, an alkanol ammonium having 2 to 9 carbon atoms, an alkyl ammonium or alkenyl ammonium having 1 to 22 carbon atoms, an alkyl or alkenyl substituted pyridinium having 1 to 18 carbon atoms, Or a basic amino acid. )), An oil phase containing an oil-soluble anionic surfactant or a nonionic surfactant and an oil agent is added to a continuous phase containing an N-alkylamide alkanol sulfate salt, a water-soluble compound having a hydroxyl group and water. The cleansing agent composition obtained by the above.