JPH09124435A - Oily cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prepare an oily cosmetic having excellent use feeling and storing stability. SOLUTION: This oily cosmetic contains 45-99wt.% liquid oil (e.g. liquid paraffin), 0.1-15wt.% dextrin fatty acid ester (e.g. dextrin palmitate), 0.1-20wt.% nonionic surfactant excepting the dextrin fatty acid ester (e.g. sorbitan monolaurate) and 0.01-20wt.% water as active components. Furthermore, a usual pharmacedynamic agent, a humectant component, an anti-inflammatory drug, a germicide, an antiseptic agent, an ultraviolet rays absorber, an antioxidant, organic or inorganic powder, coloring matter and perfume, etc., are suitably mixed to prepare a cosmetic such as cleansing, massage, essence, hair oil and sun oil. This oily cosmetic is capable of readily coating in contrast to usual oily cosmetics without dropping off in the use.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an oily cosmetic,
More particularly, it relates to an oily cosmetic which is excellent in feeling of use and has good storage stability and is useful as a cosmetic such as cleansing, massage, essence, hair oil, sun oil and the like.

[0002]

2. Description of the Related Art Cosmetics such as cleansing, massage, essence, hair oil, sun oil and the like are cosmetics for applying an oil component to the skin or hair. The conventional oily cosmetics have a drawback that they fall off when used. In addition, it is possible to make the oily cosmetic material viscous by using a gelling agent, but in this case, there is a problem in that the feeling of use and stability deteriorate.

[0003]

Under such circumstances, as a result of intensive investigations by the present inventors, liquid oil, dextrin fatty acid ester, and nonionic surfactant other than dextrin fatty acid ester, and water-containing skin Further, it has been found that an oily cosmetic for hair can be applied more easily than conventional oily cosmetics, has an excellent feeling in use, and has an excellent storage stability, and has completed the present invention.

That is, the present invention is an oily cosmetic characterized by containing a liquid oil, a dextrin fatty acid ester, a nonionic surfactant excluding the dextrin fatty acid ester, and water.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail.
The liquid oil used in the present invention may be a raw material usually used for cosmetics, quasi drugs, external preparations for skin, etc., for example, hydrocarbons such as liquid paraffin and squalane, isopropyl myristate, palmityl myristate, trioctane. Glyceryl acid, neopentyl glycol dioctanoate,
Examples thereof include synthetic oils and fats such as isostearyl malate and cetyl octanoate, soybean oil, rapeseed oil, olive oil, vegetable oils and fats such as jojoba oil, animal oils and fats such as lanolin and mink oil, and silicone oils. These are used alone or in combination of two or more. The liquid oil content is preferably 45 to 99% by weight based on the total composition.

The dextrin fatty acid ester used in the present invention is an oil-soluble nonionic surfactant, and specific examples thereof include dextrin palmitate, dextrin stearate, dextrin palmitate stearate and dextrin oleic acid. Examples thereof include esters, dextrin isopalmitate, dextrin isostearate and the like.
These are used alone or in combination of two or more.
Examples of commercially available products include Leopard KL (dextrin palmitate, manufactured by Chiba Flour Milling Co., Ltd.). The content of the dextrin fatty acid ester is preferably 0.1 to 15% by weight based on the total composition.

Examples of the nonionic surfactant other than the dextrin fatty acid ester used in the present invention include sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, ethylene oxide derivative of glycerin fatty acid ester, and propylene glycol fatty acid ester. Ethylene oxide derivative, polyethylene glycol fatty acid ester, polyoxyethylene alkyl ether, polyoxypropylene alkyl ether, polyoxyethylene alkylphenyl ether, ethylene oxide derivative of polyglycerin fatty acid ester, polyoxyethylene cured castor Oil, polyoxyethylene hydrogenated castor oil fatty acid ester, polyoxyethylene pyroglutamic acid ester polyoxyethylene glycerin pyroglutamic acid ester and other polyoxyal Ren nonionic surfactant; sucrose fatty acid esters, alkyl glucosides; polyglycerol fatty acid esters; fatty Arukiro - Ruamido such like.

More specifically, sorbitan monolauret
, Sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquiseteate, sorevitan tristearate, sorbitan monooleate, sorbitan monoisostearate, polyoxyethylene (3 )
Castor oil, polyoxyethylene (10) castor oil, polyoxyethylene (5) hydrogenated castor oil, polyoxyethylene (10) hydrogenated castor oil, polyoxyethylene (30)
Hydrogenated castor oil, polyoxyethylene (40) hydrogenated castor oil, polyoxyethylene (50) hydrogenated castor oil, polyoxyethylene (60) hydrogenated castor oil, polyoxyethylene (15) decyl tetradecyl ether, polyoxyethylene (20) Decyl tetradecyl ether, polyoxyethylene (25) decyl tetradecyl ether, polyoxyethylene (10) hexyl decyl ether, polyoxyethylene (15) hexyl decyl ether, polyoxyethylene (20) hexyldecyl ether, polyoxyethylene (25) hexyldecyl ether, polyoxyethylene (10) octredododecyl ether,
Polyoxyethylene (16) octredododecyl ether, polyoxyethylene (20) octredododecyl ether, polyoxyethylene (25) octredododecyl ether, polyoxyethylene (15) glyceryl monoisosteare -, Polyoxyethylene (30) glyceryl monoisostearate, polyoxyethylene (3
0) glyceryl triisostearate, polyoxyethylene (40) glyceryl triisostearate, polyoxyethylene (30) trimethylolpropane trimyristate, polyoxyethylene (6) sorbitan monolaurate Polyoxyethylene (20) sorbitan monolaurate, polyoxyethylene (20) monostearate, polyoxyethylene (20) sorbitan monooleate, polyoxyethylene (6) sorbitol hexastearate, polyoxy Ethylene (6) sorbitol tetraoleate, polyoxyethylene (30) sorbite
Rutetraoleate, polyoxyethylene (40) sorbitol tetraoleate, polyoxyethylene (1) monostearate, polyoxyethylene (2) monostearate, polyoxyethylene (4) monostearate, polyoxyethylene ( 2) Monooleate, polyoxyethylene (2) cetyl ether, polyoxyethylene (1
0) cetyl ether, polyoxyethylene (15) cetyl ether, polyoxyethylene (20) cetyl ether, polyoxyethylene (25) cetyl ether, polyoxyethylene (2) oleyl ether, polyoxyethylene ( 10) oleyl ether, polyoxyethylene (15) oleyl ether, polyoxyethylene (2
0) oleyl ether, polyoxyethylene (25) oleyl ether, polyoxyethylene (2) stearyl ether, polyoxyethylene (4) stearyl ether, polyoxyethylene (10) nonylphenyl ether, Polyoxyethylene (2) nonylphenyl ether, polyoxyethylene (15) nonylphenyl ether, polyoxyethylene (20) nonylphenyl ether, polyoxyethylene (25) nonylphenyl ether, polyoxy Ethylene (3) octyl phenyl ether, polyoxyethylene (20) cholesteryl ether, polyoxyethylene (30) cholesteryl ether, polyoxyethylene (6) sorbitol lmew wax,
Coconut oil fatty acid dietanoyl amide (1: 1 type), coconut oil fatty acid dietanol amide (1: 2 type), lauric acid dietanol amide, coconut oil fatty acid monoethanolamide, polyoxyethylene coconut oil fatty acid monoethanolamide, etc. Can be mentioned.

These are used alone or in combination of two or more. The content of the nonionic surfactant is preferably 0.1 to 20% by weight based on the total composition.

The water content can be appropriately selected according to the purpose of use of the present invention and appropriate physical properties, but is preferably 0.01 to 20% by weight based on the total composition.

Further, in the present invention, a medicinal agent, a moisturizing component, an anti-inflammatory agent, a bactericidal agent, which are usually used in cosmetics and external preparations for skin,
Preservatives, UV absorbers, antioxidants, organic and inorganic powders,
Dyes, fragrances and the like can be added as required.

[0012]

The present invention will be described below with reference to examples.
The present invention is not limited to these examples.

The evaluation method and evaluation criteria are as follows. Evaluation Method and Evaluation Criteria (Storage Stability) The prototype was placed in a thermostat at 20 ° C. and 45 ° C., and one month later, the appearance was visually observed. Evaluation criteria are
It is as follows.

Evaluation Criteria Evaluation Code: No difference in appearance at 20 ° C. and 45 ° C. ◎ Little difference in appearance at 20 ° C. and 45 ° C. ○ Some difference in appearance at 20 ° C. and 45 ° C. What is seen △ There is a clear difference in appearance at 20 ° C and 45 ° C ×

(Feeling of use) 20 women (specialized panelers)
However, the oily cosmetic was continuously used for 1 week, and the feeling of use was evaluated.

Evaluation Criteria Evaluation Symbol When the number of people who answered good is 18 or more ◎ When the number of people who answered good is 14 to 17 〇 When the number of people who answered good is 8 to 13 △ Those who answered good If there are less than 7 people ×

Example 1, Comparative Examples 1 to 3 A stock solution having the composition shown in Table 1 was prepared to prepare a cleansing cosmetic composition. Table 1 shows the results of evaluation by the above evaluation method and evaluation criteria. The cleansing cosmetic composition of Example 1 is
Compared with that of Comparative Examples 1 to 3, it is excellent in both storage stability and feeling of use.

[0018]

[Table 1]

Example 2 (massage cosmetic composition) A massage cosmetic composition was prepared by using the components of the present invention to produce a massage cosmetic composition. The evaluation was performed by the above method.
All items were excellent evaluations. (Wt%) Dextrin stearate 2.0 Polyoxyethylene glyceryl triisostearate 4.0 Squalane 10.0 Macadamia nut oil 5.0 Isostearyl glycyrrhetinate 0.1 Pure water 0.1 Liquid paraffin Residue

Example 3 (Sun oil cosmetic) Sun oil was prepared using the components of the present invention to produce a sun oil cosmetic. The evaluation was performed by the above method. All items were excellent evaluations. (Wt%) Dextrin myristic ester 0.5 Polyoxyethylene (15) 1.0 Glyceryl monoisostearate 2-dimethylhexyl paradimethylaminobenzoate 3.0 Decamethylcyclopentasiloxane 25.0 Olive oil 60.0 Pure water 1.0 Liquid paraffin Residue

Example 4 (Hair Oil Cosmetic) A hair oil was prepared using the components of the present invention to produce a hair oil cosmetic. The evaluation was performed by the above method. All items were excellent evaluations. (Wt%) dextrin stearate 3.0 sorbitan monoisostearate 1.0 glyceryl tri-2-ethylhexanoate 40.0 biosol 0.1 pure water 2.0 liquid paraffin residual

Example 6 (Essence Cosmetic) An essence was prepared by using the ingredients of the present invention to produce an essence cosmetic. The evaluation was performed by the above method. All items were excellent evaluations. (Wt%) Dextrin palmitate (Leopard KL) 10.0 Sorbitan monolaurate 0.5 Isostearyl glycyrrhetinate 0.1 Squalane 20.0 Methylpolysiloxane 2.0 Pure water 5.0 Macadamia nut oil Residue

[0023]

As described above, the oily cosmetic composition of the present invention is a cosmetic composition excellent in usability and storage stability. Also,
By appropriately selecting and blending additive components according to the purpose of makeup, it is possible to obtain a cosmetic material for various purposes, which has extremely high commercial value.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display area A61K 7/06 A61K 7/06

Claims (1)

[Claims] 1. A liquid oil, a dextrin fatty acid ester,
An oily cosmetic comprising a nonionic surfactant excluding dextrin fatty acid ester and water.