CN115919666A - Cosmetic composition - Google Patents
Cosmetic composition Download PDFInfo
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- CN115919666A CN115919666A CN202211206628.8A CN202211206628A CN115919666A CN 115919666 A CN115919666 A CN 115919666A CN 202211206628 A CN202211206628 A CN 202211206628A CN 115919666 A CN115919666 A CN 115919666A
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Abstract
[ problem ] to provide a novel cosmetic composition which can give a fresh skin feel during cleansing, can stably maintain a bicontinuous microemulsion structure over a wide temperature range, and has little eye irritation, and a cosmetic containing the composition. [ solution ] A cosmetic composition comprising the following components (A) - (G), wherein the mixing HLB of the components (A) and (B) is 6.5-13.0. Component (A): a polyglycerin fatty acid ester formed from a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 7 to 14; component (B): a polyglycerin fatty acid ester formed from a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 2~3 as glycerin; component (C): a polyglycerin fatty acid ester selected from 1 or more of the following components (C1) and (C2) and having an HLB or a mixed HLB of 8.0 to 17.0; component (C1): a polyglycerin fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerin having an average polymerization degree of 7 to 14; component (C2): a polyglycerol fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerol having an average polymerization degree of 2~3; component (D): a liquid oil; component (E): an anionic surfactant; component (F): a polyol; component (G): and (3) water.
Description
Technical Field
The present invention relates to a cosmetic composition and a cosmetic containing the same.
Background
Cosmetics excellent in detergency and refreshing in use feeling upon washing have been demanded. However, since a large amount of oil agent needs to be blended in order to obtain an excellent cleansing power, a strong oily feeling is felt during washing, and it is difficult to obtain a refreshing feeling. As a cosmetic capable of solving the above problems, for example, patent document 1~4 is disclosed.
As a cosmetic having particularly excellent cleansing power and refreshing feeling during washing, a cosmetic having a bicontinuous microemulsion structure in which an oil phase and an aqueous phase are continuous with each other has been proposed (patent document 5~7). The bicontinuous microemulsion structure has an oil phase in the continuous phase and is therefore easily compatible with makeup. Further, since the surface tension is very low, the particle size of the oil at the time of O/W emulsification at the time of washing is very small, and a refreshing feeling is easily obtained.
For example, patent document 5 discloses a skin cleansing composition containing (a) 1 or 2 or more polyglycerin fatty acid esters selected from polyglycerin fatty acid esters composed of a branched fatty acid and glycerin and polyglycerin fatty acid esters composed of an unsaturated fatty acid and polyglycerin, and having a total HLB of 9 to 12; (B) a glycol; (C) A liquid oil, and (D) water, wherein the skin cleansing composition is formed from a bicontinuous microemulsion in which the component (A) accounts for 8 to less than 15 mass% of the total composition.
Documents of the prior art
Patent literature
Patent document 1: japanese patent laid-open No. 2020-109056
Patent document 2: japanese Kohyo publication 2018-537500
Patent document 3: WO2018/074149
Patent document 4: japanese patent laid-open publication No. 6-116118
Patent document 5: japanese patent laid-open publication No. 2010-280643
Patent document 6: japanese patent laid-open No. 2021-46373
Patent document 7: japanese patent laid-open No. 2016-13974.
Disclosure of Invention
Problems to be solved by the invention
However, the skin cleansing composition of patent document 5 exhibits stability in a temperature range of 5 to 45 ℃ immediately after production (30 minutes), but sometimes lacks stability in a severe environment during transportation and at a transportation destination and after long-term storage, and newly has a problem that the bicontinuous microemulsion structure is stably maintained over a wide temperature range for a long period of time. In addition, the skin cleansing composition of patent document 5 has low eye irritation, but this is not satisfactory enough, and further improvement is sought. In addition, the compositions disclosed in patent documents 6 and 7 are not satisfactory in temperature stability and eye irritation.
The present invention addresses the problem of providing a novel cosmetic composition that can provide a fresh skin feel during cleansing, can stably maintain a bicontinuous microemulsion structure over a wide temperature range, and has little eye irritation, and a cosmetic containing the composition.
Means for solving the problems
The present invention relates to the following [1] to [2].
[1] A cosmetic composition comprising the following components (A) to (G), wherein the mixing HLB of the components (A) and (B) is 6.5 to 13.0,
component (A): a polyglycerin fatty acid ester formed from a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 7 to 14;
component (B): a polyglycerin fatty acid ester formed from a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 2~3 as glycerin;
component (C): a polyglycerin fatty acid ester selected from 1 or more of the following components (C1) and (C2), and having an HLB or mixed HLB of 8.0 to 17.0;
component (C1): a polyglycerin fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerin having an average polymerization degree of 7 to 14;
component (C2): a polyglycerin fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerin having an average polymerization degree of 2~3;
component (D): a liquid oil;
component (E): an anionic surfactant;
component (F): a polyol;
component (G): and (3) water.
[2] A cosmetic composition comprising the cosmetic composition according to [1 ].
Effects of the invention
The invention provides a novel cosmetic composition which can provide fresh skin feel during washing, can stably maintain a bicontinuous microemulsion structure in a wide temperature range, and has little eye irritation, and a cosmetic containing the composition.
Detailed Description
Patent document 1 indicates that: when an anionic surfactant is used in combination with a nonionic surfactant, the oily feeling during washing becomes strong, and there is a problem in the feeling of use. However, the present inventors have made intensive studies to solve the above problems and unexpectedly found for the first time that: by using a combination of a specific polyglycerin fatty acid ester and an anionic surfactant in combination, a cosmetic composition which is excellent in temperature stability, hardly causes eye irritation, and does not impair refreshing feeling is obtained. The reason why the present invention exerts such excellent effects is not clear, but it is considered that: the combination of surfactants having different average polymerization degrees and HLB of glycerin in the polyglycerin fatty acid ester improves flexibility of the surface film, prevents change in curvature of the surface film due to temperature, improves temperature stability, and reduces eye irritation. Further, it is considered that: the anionic surfactant promotes the phase transition to O/W emulsification during washing, and thus contributes to a refreshing feeling.
The cosmetic composition of the present invention comprises three or more specific polyglycerin fatty acid esters as components (a), (B) and (C); a liquid oil as component (D); an anionic surfactant as component (E); a polyol as component (F); and water as component (G). From the viewpoint of the temperature stability of the bicontinuous microemulsion structure, the mixing HLB of the component (a) and the component (B) is 6.5 to 13.0, preferably 7.0 to 12.5, more preferably 8.0 to 12.0, and still more preferably 9.0 to 11.5.
In the present specification, HLB is a value measured by Griffin's calculation method below, and the mixed HLB of component (a) and component (B) is calculated by additivity. That is, the mixed HLB in this specification is a weighted average value of the component (a) and the component (B). The same applies to the HLB mixture when two or more components (C) described later are used. In calculating the HLB of the polyglycerin fatty acid ester in the present specification, the following formula is used.
HLB=20(1-S/A)
S: saponification number of polyglycerin fatty acid ester
A: neutralization number of raw material fatty acids.
The component (A) is a polyglycerin fatty acid ester comprising a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 7 to 14. The constituent fatty acids in the component (A) preferably have 8 to 22 carbon atoms, more preferably 16 to 20 carbon atoms, and preferably have an HLB of 5.0 to 16.0. Examples thereof include heptaglycerol oleate, heptaglycerol dioleate, decaglycerol diisostearate, tridecglycerol pentaoleate, and tridecglycerol heptaoleate, with decaglycerol dioleate being preferred.
The content of the component (a) in the cosmetic composition of the present invention is preferably from 5.0 to 15.0% by mass, more preferably from 6.0 to 13.0% by mass, even more preferably from 7.0 to 11.0% by mass, and even more preferably from 7.5 to 10.0% by mass, from the viewpoint of temperature stability of the bicontinuous microemulsion structure. The content when two or more components (A) are used means the total amount thereof.
The component (B) is a polyglycerin fatty acid ester comprising a branched fatty acid and/or an unsaturated fatty acid and glycerin having an average polymerization degree of 2~3. The constituent fatty acids in the component (B) preferably have 8 to 22, more preferably 8 to 18 carbon atoms, and components having an HLB of 3.5 to 10.0 can be preferably used. Examples thereof include diglycerol oleate, diglycerol diisostearate, triglycerol diisostearate, and ethylhexyl diglycerol, and diglycerol oleate, diglycerol diisostearate, and triglycerol diisostearate are preferable, and diglycerol oleate is more preferable.
The content of the component (B) in the cosmetic composition of the present invention is preferably 0.1 to 5.0% by mass, more preferably 0.3 to 3.0% by mass, even more preferably 0.6 to 2.5% by mass, and even more preferably 0.9 to 1.9% by mass, from the viewpoint of temperature stability of the bicontinuous microemulsion structure. The content when two or more components (B) are used means the total amount thereof.
The component (C) is at least 1 selected from the following components (C1) and (C2), and is a polyglycerol fatty acid ester having an HLB or a mixing HLB of 8.0 to 17.0, preferably 9.0 to 16.0, more preferably 10.0 to 14.0, even more preferably 10.0 to 13.0, and even more preferably 10.5 to 12.0, from the viewpoint of temperature stability of the bicontinuous microemulsion structure.
Component (C1): a polyglycerol fatty acid ester comprising a polyglycerol having an average polymerization degree of 7 to 14 derived from a polyglycerol and a linear saturated fatty acid having 8 to 12 carbon atoms;
component (C2): a polyglycerin fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerin having an average polymerization degree of 2~3.
The component (C1) includes heptaglycerol laurate, decaglycerol dilaurate, and tridecglycerol decanoate, and heptaglycerol laurate is preferable.
As the component (C2), capric acid diglyceride, lauric acid diglyceride, dioctanoate triglyceride and the like are exemplified, and capric acid diglyceride is preferable.
The content of the component (C) in the cosmetic composition of the present invention is preferably 1.0 to 10.0 mass%, more preferably 2.0 to 8.0 mass%, even more preferably 3.0 to 7.0 mass%, and even more preferably 3.5 to 6.0 mass%, from the viewpoint of the temperature stability of the bicontinuous microemulsion structure. The content when two or more components (C) are used means the total amount thereof.
The average degree of polymerization of polyglycerin in the components (a), (B) and (C) is determined from the hydroxyl value according to the following formula. In addition, in the method of determining the number of moles of polyglycerin, the molecular weight is determined from the average polymerization degree, and the number of moles is calculated.
OHV=56110(n+2)/(74n+18)
An OHV: hydroxyl number of polyglycerol
n: average degree of polymerization of polyglycerol.
The polyglycerin fatty acid ester of the components (a), (B) and (C) can be easily obtained by esterifying polyglycerin and fatty acid by a conventional method and subjecting the fatty acid and glycidol to addition polymerization. The esterification of the polyglycerin and the fatty acid is not particularly limited, and may be carried out by heating the polyglycerin and the fatty acid in the range of preferably 100 to 300 ℃, more preferably 120 to 260 ℃ in the presence of an acid catalyst (phosphoric acid, p-toluenesulfonic acid, etc.) or an alkali catalyst (caustic soda, etc.) or without a catalyst while removing water. In addition, the reaction may be carried out in the presence of an inert gas. The ester thus obtained can be purified according to the purpose. In the purification, in addition to distillation techniques such as distillation under reduced pressure, molecular distillation, and steam distillation, extraction with an organic solvent, and chromatography with a column packed with a synthetic adsorbent or a gel filter may be used. It is also possible to obtain a target polyglycerin fatty acid ester by using an ester of a fatty acid instead of the fatty acid and transesterifying the ester with polyglycerin.
The component (D) is a liquid oil. In the present specification, the viscosity of the liquid oil measured at 25 ℃ using a B-type viscometer is preferably 1000mPa seeds or less, more preferably 500mPa seeds or less, still more preferably 200mPa seeds or less, and still more preferably 100mPa seeds or less. The liquid oil includes hydrocarbon oil, ester oil, acylglycerol, ether oil, animal and vegetable oil, and silicone oil, and is preferably hydrocarbon oil, ester oil, ether oil, and vegetable oil, and more preferably ester oil.
Examples of the hydrocarbon oil include hydrogenated polyisobutene, liquid paraffin, light liquid isoparaffin, squalane, undecane, tridecane, and isododecane.
Examples of the ester oil include isononyl isononanoate, isostearyl isostearate, cetyl ethylhexanoate, ethylhexyl palmitate, octyldodecyl myristate, isopropyl myristate, propylheptyl octanoate, (caprylic/capric) cocoyl ester, and dioctanoyl carbonate.
Examples of acylglycerols include (caprylic/capric) glycerol, tri (caprylic/capric) glycerol, triisocaprylic glycerol, triisostearic glycerol, diisostearic glycerol and the like.
Examples of the ether oil include dioctanoyl ether and the like.
Examples of the animal or vegetable oil include beeswax, avocado oil, almond oil, olive oil, wheat germ oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, palm kernel oil, castor oil, sunflower oil, jojoba oil, macadamia nut oil, coconut oil, and lanolin, and preferably include avocado oil, almond oil, olive oil, wheat germ oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, castor oil, sunflower oil, jojoba oil, and macadamia nut oil.
Examples of the silicone oil include dimethyl silicone oil, phenyl trimethyl silicone oil, cyclomethyl silicone oil, cyclopentasiloxane, diphenylsiloxyphenyl trimethyl silicone oil, and the like.
The content of the component (D) in the cosmetic composition of the present invention is preferably 5.0 to 40.0 mass%, more preferably 8.0 to 35.0 mass%, and still more preferably 11.0 to 29.0 mass%, from the viewpoint of the temperature stability of the bicontinuous microemulsion structure. The content when two or more components (D) are used means the total amount thereof.
The component (E) is an anionic surfactant. Examples of the anionic surfactant include amino acid-based anionic surfactants, higher alcohol-based anionic surfactants, alkylbenzene-based anionic surfactants, α -olefin-based anionic surfactants, n-paraffin-based anionic surfactants, and fatty acid-based anionic surfactants, and amino acid-based anionic surfactants are preferable.
The amino acid-based anionic surfactant is preferably a surfactant formed from an amino acid salt to which a fatty acid having 8 to 14 carbon atoms is added, and examples thereof include potassium cocoyl glutamate, sodium cocoyl glutamate, TEA cocoyl alanine, potassium cocoyl glycinate, sodium cocoyl methylacrylate, potassium cocoyl taurate, sodium cocoyl methyltaurate, sodium lauroyl glutamate, potassium lauroyl methylacrylate, sodium lauroyl sarcosinate, potassium myristoyl glutamate, and the like. Potassium means potassium salt, sodium means sodium salt, and TEA means triethanolamine salt.
Examples of the higher alcohol anionic surfactant include sodium laureth-4-carboxylate, sodium laureth sulfate, potassium lauryl sulfate, sodium (C11-15) alkanolamino-3 sulfate, PPG-5 ceteth-10 phosphoric acid, sodium cocoeth sulfate, sodium lauryl phosphate, and laureth-5-carboxylic acid.
The content of the component (E) in the cosmetic composition of the present invention is preferably from 0.01 to 5.0% by mass, more preferably from 0.05 to 4.0% by mass, even more preferably from 0.3 to 3.0% by mass, and even more preferably from 0.5 to 2.5% by mass, from the viewpoint of temperature stability of the bicontinuous microemulsion structure. The content when two or more components (E) are used means the total amount thereof.
The component (F) is a polyhydric alcohol. Examples of the polyhydric alcohol include glycerin, diglycerin, ethylhexylglycerin, 1,3-Butanediol (BG), propylene Glycol (PG), propylene glycol, dipropylene glycol (DPG), pentanediol, 1,2-hexanediol, octanediol, 1,10-decanediol, isoprene glycol, sorbitol, mannitol, maltitol, xylitol, and the like, and glycerin, BG, propylene glycol, and octanediol are preferable.
The content of the component (F) in the cosmetic composition of the present invention is preferably 3.0 to 65.0 mass%, more preferably 10.0 to 60.0 mass%, even more preferably 20.0 to 55.0 mass%, and even more preferably 35.0 to 50.0 mass%, from the viewpoint of the temperature stability of the bicontinuous microemulsion structure. The content when two or more components (F) are used means the total amount thereof.
The component (G) is water. The content of the component (G) in the cosmetic composition of the present invention is preferably 10.0 to 65.0 mass%, more preferably 12.0 to 60.0 mass%.
In the cosmetic composition of the present invention, if the effect of the present invention is not impaired, the ingredients usually used in cosmetics may be appropriately blended depending on the use and purpose thereof. Examples thereof include surfactants other than the above components (a), (B), and (C), oils other than the component (D), aqueous gelling agents, oily gelling agents, ultraviolet absorbers, powders, antioxidants, preservatives, perfumes, colorants, chelating agents, refreshing agents, thickeners, plant extracts, vitamins, neutralizing agents, humectants, anti-inflammatory agents, pH adjusters, amino acids, and the like, but are not limited thereto.
The cosmetic composition of the present invention can stably maintain the bicontinuous microemulsion structure under long-term storage conditions described in examples described later, preferably at a wide temperature range of 25 to 40 ℃ or 5 to 25 ℃, more preferably 5 to 40 ℃, and still more preferably-5 to 50 ℃.
The cosmetic composition of the present invention can be prepared by mixing the compounding ingredients in an arbitrary order under heating, and stirring and cooling to room temperature.
The cosmetic composition of the present invention can be used for various cosmetics, can be suitably used for cleaning cosmetics, and can be particularly suitably used for cleaning cosmetics of liquid and oil types. Namely, the present invention also provides a cosmetic comprising the cosmetic composition of the present invention.
Specific examples of the cosmetic include, but are not limited to, cleansing oils, cleansing liquids, cleansing lotions, wiping-type cleansing sheets, lotions, skin cleansing sheets, bath lotions, hygiene products, wet wipes, and the like.
The cosmetic composition of the present invention may contain, in addition to the cosmetic composition, ingredients usually used in cosmetics, as appropriate depending on the use and purpose thereof. Examples thereof include, but are not limited to, surfactants other than the above components (a), (B), and (C), oils other than the component (D), aqueous gelling agents, oily gelling agents, ultraviolet absorbers, powders, antioxidants, preservatives, perfumes, colorants, chelating agents, cooling agents, thickeners, plant extracts, vitamins, neutralizing agents, moisturizers, anti-inflammatory agents, pH adjusters, and amino acids.
The content of the cosmetic composition in the cosmetic of the present invention is not particularly limited, but is preferably 10 to 100% by mass, more preferably 20 to 100% by mass, and still more preferably 50 to 100% by mass, from the viewpoint of the temperature stability of the bicontinuous microemulsion structure.
Examples
The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples at all. Unless otherwise specified, "%" means "% by mass".
< preparation of composition for cosmetic preparation >
Examples 1 to 36 and comparative examples 1 to 18
According to the compositions shown in the tables, 100G of the cosmetic composition was prepared by dissolving the components (A) to (F) described in Table 1~6 at 70 ℃ under heating, adding the component (G) and the other components, and cooling to room temperature with stirring. In table 6, "a '" refers to a nonionic surfactant other than the components (a) to (C), and "B'" refers to an amphoteric surfactant.
Details of the ingredients used in table 1~6 are as follows. Each polyglycerin fatty acid ester is synthesized by a known method. The viscosity of the liquid oil was measured at 25 ℃ using a B-type viscometer.
Seed and seed of isononyl isononanoate サラコス (seed & オイリオ company & tech) (8 mPa & seed)
Squalane, seeds, フィトスクワラン (manufactured by SOPHIM corporation) (40 mPa, seeds)
Dicaprylyl ethers, seeds, and cetiiole Deo C (manufactured by BASF ジャパン Co.) (5 mPa seeds)
Olive oils, seeds, クロピュア OL (ク ロ ー ダ ジャパン, manufactured by the company "Zizao") (67 mPa, seeds)
Diphenylsilyloxy phenyl trimethyl silicone oil seed, KF-56A (manufactured by shiner and shiner chemical industry Co., ltd.) (15 mPa seed)
As a result, cocoyl glutamate (produced by Choerospondias axillaris, アミソフト CK-22)
As a result of the seed, アミソフト CS-11 (manufactured by Chouji Co., ltd.)
Cocoyl glutamic acid TEA, seed, アミソフト CT-12 (manufactured by Chouji Co., ltd.)
Seed of cocoyl alanine TEA seed アミソフト ACT-12 (manufactured by Ossika Co., ltd.)
Lauryl alcohol polyether sulfate sodium seeds, エマール (manufactured by Queen flower company)
Concentrated glycerin for harvesting, seeding, harvesting, and cosmetics (manufactured by Queen of flowers Co., ltd.)
Seeds and seeds of BG (used for cosmetics) (ダイセル produced by the company)
Propylene glycol (DuPont Tate & Lyle Bio Products Co., ltd.)
Seed and seed of suberic alcohol (seed produced by ADEKA corporation) アデカノール OG.
The cosmetic composition obtained in each example seed was evaluated for temperature stability (presence or absence of segregation), a refreshing feeling during cleansing, and eye irritation characteristics according to the following criteria. The results are shown in Table 1~6. The existence of a stable bicontinuous microemulsion structure means that: the two pigments are uniformly tinged when water-soluble pigment and oil-soluble pigment are added, and the pigment is not separated after being stored for 1 month.
< Presence or absence of separation (appearance) >
10g of each seed and seed cosmetic composition was collected from 5 glass bottles (55 mm in total length and 27mm in bottle diameter) each having a 20mL cap (20 mm in bottle diameter), and the presence or absence of segregation was visually confirmed 1 day after the preparation, and evaluated according to the following criteria. In addition, in the confirmation of the staining method (room temperature) after 1 day of preparation, the very good samples were stored in four constant temperature chambers of-5 ℃, 40 ℃, 50 ℃ and in a room temperature (25 ℃) environment, respectively, 1 sample. The presence or absence of separation was visually confirmed 1 month after the start of storage, and the evaluation was performed according to the following criteria. The sample observed to be separated was not regarded as an evaluation target of the staining method, and is represented as "-" in the table. In addition, storage is not performed.
(evaluation criteria)
Very good: not separated out
X: separation occurs.
< dyeing method >
The bicontinuous micro-emulsion structure refers to a structure that an oil phase and a water phase are continuous. The water-soluble dye and the oil-soluble dye were added to the sample, and the two dyes were uniformly shaded, whereby it was confirmed that the sample had a bicontinuous microemulsion structure. A method of confirming the structure of the bicontinuous microemulsion by staining a sample is called a staining method.
Of the cosmetic composition according to each example, the samples stored at various temperatures for very good results of checking for the presence or absence of segregation carried out after 1 month of storage were each weighed 5g into 26 mL glass bottles with caps (40 mm in total length and 18mm in bottle diameter), and each water-soluble pigment and oil-soluble pigment were added. Thereafter, the sample to which the dye was added was stored again in a constant temperature bath at each temperature or in a room temperature environment, and evaluated according to the following criteria. In the table, "-" indicates a sample other than the evaluation target.
(evaluation criteria)
Very good: two pigments are uniformly tinged
X: at least one pigment is not uniformly halated.
< evaluation of temperature stability of bicontinuous microemulsion Structure >
The numbers of samples at various temperatures of very good in the dyeing method performed after 1 month of storage were summed up, and very good, Δ, or x were judged according to the following criteria. In the table, "-" indicates a sample other than the evaluation target.
Very good: the results of the dyeing method were very excellent at four or more temperatures including room temperature
O: results of the dyeing method are very good at three temperatures including room temperature
And (delta): results of the dyeing method were very excellent at two temperatures including room temperature
X: results of the dyeing method were ∈ at one or less temperatures including room temperature.
< fresh feeling upon washing >
In the cosmetic compositions of each example, the samples having a very good feel at room temperature in the confirmation of the presence or absence of segregation carried out after storage for 1 month were evaluated for freshness at the time of washing by 13 panelists. An appropriate amount of the sample was applied to the back of the hand, and the skin feel immediately after washing with water was evaluated according to the following criteria. Further, the total evaluation was performed based on the O number of the evaluation results. In the table, "-" indicates a sample other than the evaluation target.
(evaluation criteria)
O: refreshing
And (delta): not fresh or not fresh
X: it is not refreshing.
(comprehensive evaluation)
3: of 13, 10 or more answers are O
2: of the 13, 8~9 answered O
1: among 13 persons, 7 persons answer with o below.
< evaluation of eye irritation >
Regarding the cosmetic compositions of each example, the test specimens having a very good property at room temperature in the confirmation of the presence or absence of segregation carried out after 1 month of storage were used for evaluation of eye irritation by 13 panelists. An appropriate amount of the sample was applied to the periphery of the eyes and evaluated according to the following criteria. Further, the total evaluation was performed based on the O number of the evaluation results. In the table, "-" indicates a sample other than the evaluation target.
(evaluation criteria)
O: no pain to eyes
And (delta): not to mention pain or not
X: eye pain.
(comprehensive evaluation)
3: of 13, 10 or more answers are O
2: of the 13, 8~9 answered O
1: among 13 persons, 7 persons answer with o below.
[ Table 1]
[ Table 2]
[ Table 3]
[ Table 4]
[ Table 5]
[ Table 6]
From Table 1~6: the cosmetic compositions of the examples were excellent in temperature stability, refreshing feeling during washing, and reduction in eye irritation. On the other hand, in comparative example 1 in which some of the components described in the present invention were not contained, and comparative examples 16 to 18 in which conventional products were additionally tested, the structure was maintained only at room temperature after 1 month of storage, and the temperature stability was problematic, and the eye irritation tended to be poor, although the bicontinuous microemulsion structure was obtained. In comparative examples 2 to 15, the microemulsion was not of a bicontinuous microemulsion structure 1 day after the preparation. Comparative example 12 performs an additional test on patent document 1, comparative example 13 performs an additional test on patent document 2, comparative example 14 performs an additional test on patent document 3, comparative example 15 performs an additional test on patent document 4, comparative example 16 performs an additional test on patent document 5, comparative example 17 performs an additional test on patent document 6, and comparative example 18 performs an additional test on patent document 7, respectively.
(formulation example)
The following examples of the formulation of the cosmetic of the present invention are given. The invention is not limited by the formulation examples. The total amount of the components is expressed as mass% relative to the total amount of the product.
[ Table 7]
Formulation example 1: water-wet cleaning oil A
| 1 | Decaglycerol dioleate | 12.0 |
| 2 | Oleic acid diglyceride | 2.0 |
| 3 | Lauric acid decaglycerol ester | 2.0 |
| 4 | Capric acid diglyceride | 5.0 |
| 5 | Ethyl hexyl palmitate | 18.0 |
| 6 | Liquid paraffin | 9.0 |
| 7 | Safflower oil | 1.0 |
| 8 | Diphenylsiloxy phenyl trimethicone oil | 2.0 |
| 9 | Sodium cocoyl methyl taurate | 1.0 |
| 10 | Glycerol | 18.5 |
| 11 | BG | 7.0 |
| 12 | Propylene glycol | 7.0 |
| 13 | Octanediol | 1.0 |
| 14 | Pentanediol | 2.0 |
| 15 | Citric acid (10% aqueous solution) | 0.1 |
| 16 | Sodium citrate (10% aqueous solution) | 1.7 |
| 17 | Pigment | 0.2 |
| 18 | Perfume | 0.4 |
| 19 | Tocopherol | 0.1 |
| 20 | P-hydroxybenzoic acid methyl ester | 0.1 |
| 21 | BHT | 0.1 |
| 22 | EDTA-2Na | 0.1 |
| 23 | Purified water | To 100 |
[ Table 8]
Formulation example 2: water-wet cleaning oil B
| 1 | Decaglycerol dioleate | 12.0 |
| 2 | Oleic acid diglyceride | 2.0 |
| 3 | Lauric acid decaglycerol ester | 2.0 |
| 4 | Capric acid diglyceride | 5.0 |
| 5 | Diisostearic acid PEG-10 glyceride | 1.0 |
| 6 | Myristic acid isopropyl ester | 18.0 |
| 7 | Dioctanoyl ether | 8.0 |
| 8 | Almond oil | 1.0 |
| 9 | Diphenylsiloxy phenyl trimethicone oil | 1.0 |
| 10 | Cocosylalanine TEA | 1.0 |
| 11 | Glycerol | 18.5 |
| 12 | BG | 10.0 |
| 13 | Propylene glycol | 6.0 |
| 14 | Octanediol | 1.0 |
| 15 | 1,10 decanediol | 2.0 |
| 16 | Citric acid (10% aqueous solution) | 0.1 |
| 17 | Sodium citrate (10% aqueous solution) | 1.7 |
| 18 | Pigment | 0.2 |
| 19 | Perfume | 0.4 |
| 20 | Tocopherol | 0.1 |
| 21 | P-hydroxybenzoic acid methyl ester | 0.1 |
| 22 | BHT | 0.1 |
| 23 | EDTA-2Na | 0.1 |
| 24 | Purified water | To 100 |
[ Table 9]
Formulation example 3: bicontinuous cleaning solution A
| 1 | Decaglycerol dioleate | 8.0 |
| 2 | Oleic acid diglyceride | 1.5 |
| 3 | Lauric acid decaglycerol ester | 2.0 |
| 4 | Capric acid diglyceride | 3.5 |
| 5 | Isononyl isononanoate | 10.1 |
| 6 | Isododecane | 2.0 |
| 7 | Jojoba oil | 2.0 |
| 8 | Avocado oil | 1.0 |
| 9 | Diphenylsiloxy phenyl trimethicone oil | 1.0 |
| 10 | Potassium cocoyl glutamate | 0.7 |
| 11 | Glycerol | 25.7 |
| 12 | BG | 10.0 |
| 13 | Propylene glycol | 8.0 |
| 14 | Octanediol | 0.3 |
| 15 | DPG | 1.0 |
| 16 | Pentanediol | 1.0 |
| 17 | Citric acid (10% aqueous solution) | 0.1 |
| 18 | Sodium citrate (10% aqueous solution) | 1.7 |
| 19 | Pigment | 0.2 |
| 20 | Perfume | 0.4 |
| 21 | P-hydroxybenzoic acid methyl ester | 0.1 |
| 22 | Phenoxyethanol | 0.2 |
| 23 | EDTA-2Na | 0.1 |
| 24 | Purified water | To 100 |
[ Table 10]
Formulation example 4: bicontinuous cleaning solution B
| 1 | Decaglycerol dioleate | 8.0 |
| 2 | Oleic acid diglyceride | 1.5 |
| 3 | Lauric acid decaglycerol ester | 2.0 |
| 4 | Capric acid diglyceride | 3.5 |
| 5 | Diisostearic acid PEG-10 glyceride | 1.0 |
| 6 | Isononyl isononanoate | 10.0 |
| 7 | Isododecane | 2.0 |
| 8 | Jojoba oil | 1.5 |
| 9 | Sunflower seed oil | 1.0 |
| 10 | Diphenylsiloxy phenyl trimethicone oil | 1.0 |
| 11 | Lauroyl glutamic acid sodium salt | 0.7 |
| 12 | Glycine potassium cocoyl | 0.3 |
| 13 | Glycerol | 25.7 |
| 14 | BG | 10.0 |
| 15 | Propylene glycol | 8.0 |
| 16 | Octanediol | 1.0 |
| 17 | 1,10-decanediol | 1.0 |
| 18 | Citric acid (10% aqueous solution) | 0.1 |
| 19 | Sodium citrate (10% aqueous solution) | 1.7 |
| 20 | Pigment(s) | 0.2 |
| 21 | Perfume | 0.4 |
| 22 | P-hydroxybenzoic acid methyl ester | 0.1 |
| 23 | Phenoxyethanol | 0.2 |
| 24 | EDTA-2Na | 0.1 |
| 25 | Purified water | To 100 |
[ Table 11]
Formulation example 5: bicontinuous cleaning solution C
| 1 | Decaglycerol dioleate | 8.0 |
| 2 | Oleic acid diglyceride | 1.5 |
| 3 | Capric acid diglyceride | 5.5 |
| 4 | Isononyl isononanoate | 18.0 |
| 5 | Isododecane | 2.0 |
| 6 | Jojoba oil | 1.5 |
| 7 | Diphenylsiloxy phenyl trimethicone oil | 1.0 |
| 8 | Potassium cocoyl glutamate | 0.7 |
| 9 | Myristic acid Potassium glutamate | 0.2 |
| 10 | Glycerol | 10.0 |
| 11 | BG | 5.0 |
| 12 | Propylene glycol | 5.0 |
| 13 | Octanediol | 1.0 |
| 14 | Citric acid (10% aqueous solution) | 0.1 |
| 15 | Sodium citrate (10% aqueous solution) | 1.7 |
| 16 | Pigment | 0.2 |
| 17 | Perfume | 0.4 |
| 18 | P-hydroxybenzoic acid methyl ester | 0.1 |
| 19 | PhenoxyAlcohol radical | 0.2 |
| 20 | EDTA-2Na | 0.1 |
| 21 | Purified water | To 100 |
[ Table 12]
Formulation example 6: nano-emulsion toning lotion
| 1 | Decaglycerol dioleate | 0.32 |
| 2 | Oleic acid diglyceride | 0.03 |
| 3 | Capric acid diglyceride | 0.15 |
| 4 | Isononyl isononanoate | 0.83 |
| 5 | Cocosylglutamic acidPotassium salt | 0.01 |
| 6 | Glycerol | 0.33 |
| 7 | BG | 0.17 |
| 8 | Propylene glycol | 0.17 |
| 9 | Octanediol | 0.01 |
| 10 | Citric acid (10% aqueous solution) | 0.01 |
| 11 | Sodium citrate (10% aqueous solution) | 0.06 |
| 12 | P-hydroxybenzoic acid methyl ester | 0.10 |
| 13 | Phenoxyethanol | 0.20 |
| 14 | Purified water | To 100 |
Industrial applicability
The cosmetic composition of the present invention can be suitably used for cosmetics.
Claims (7)
1. A cosmetic composition comprising the following components (A) to (G), wherein the HLB of a mixture of the components (A) and (B) is 6.5 to 13.0,
component (A): a polyglycerin fatty acid ester formed from a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 7 to 14;
component (B): a polyglycerin fatty acid ester formed from a branched fatty acid and/or an unsaturated fatty acid and a polyglycerin having an average polymerization degree of 2~3;
component (C): a polyglycerin fatty acid ester selected from 1 or more of the following components (C1) and (C2) and having an HLB or a mixed HLB of 8.0 to 17.0;
component (C1): a polyglycerin fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerin having an average polymerization degree of 7 to 14;
component (C2): a polyglycerin fatty acid ester comprising a linear saturated fatty acid having 8 to 12 carbon atoms and a polyglycerin having an average polymerization degree of 2~3;
component (D): a liquid oil;
component (E): an anionic surfactant;
component (F): a polyol;
component (G): and (3) water.
2. The cosmetic composition according to claim 1, wherein the component (D) comprises 1 or more selected from the group consisting of hydrocarbon oils, ester oils, ether oils, vegetable oils and silicone oils.
3. The cosmetic composition according to claim 1 or 2, wherein component (D) comprises an ester oil.
4. The cosmetic composition according to claim 1~3 wherein component (E) comprises 1 or more selected from amino acid anionic surfactants.
5. The cosmetic composition according to claim 1~4, wherein component (E) comprises a surfactant which is an amino acid salt of a fatty acid having 8 to 14 carbon atoms.
6. A cosmetic comprising the cosmetic composition of any one of claims 1~5.
7. The cosmetic according to claim 6, which is a cleansing cosmetic.
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| JP2021164930A JP2023055499A (en) | 2021-10-06 | 2021-10-06 | Cosmetic composition |
| JP2021-164930 | 2021-10-06 |
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| KR102608660B1 (en) * | 2023-05-08 | 2023-12-04 | 애경산업(주) | Bi-continuous phase cleansing composition |
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