Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/31—Hydrocarbons
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/86—Polyethers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
  • A61Q1/14—Preparations for removing make-up
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/10—Washing or bathing preparations
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
  • A61K2800/30—Characterized by the absence of a particular group of ingredients
  • A61K2800/31—Anhydrous

Definitions

• the present invention relates to cleansing cosmetics. More specifically, the present invention relates to a cleansing cosmetic having a low viscosity, which has excellent storage stability and good usability such as washing out properties.
• Cleansing cosmetics such as makeup cleansing oil are used for the purpose of removing make-up cosmetics, and various improvements are being considered for the cleansing cosmetics from the viewpoints of usability, cleansing effect improvement and storage stability. .
• cleansing cosmetics that do not contain water or contain a small amount of water may cause problems such as cloudiness or precipitation due to long-term storage or storage under high temperature conditions.
• the stability depends on the amount of water present in the cosmetics, and it has been found that when water evaporates during storage, white turbidity and precipitation occur. . Conventionally, the stability was maintained by devising the container to suppress the volatilization of water.
• Patent Document 1 white turbidity and precipitation are caused even by long-term storage or storage under high temperature conditions by blending room temperature liquid oil, a specific nonionic surfactant and a specific dihydric alcohol in a specific ratio.
• a skin cleanser having good usability was obtained.
• a specific dihydric alcohol is indispensable.
• Patent Document 2 discloses a specific polyhydric alcohol triester (PEG-20 glyceryl triisostearate) and a specific sugar alcohol fatty acid tetraester (Solves-30 tetraisostearate). Stabilized by blending the ester ratio in the range of 1.0 to 3.0 (2.0 to 2.2 in the examples), 30 to 70% by weight of liquid oil, and up to 5% by weight of water. Make-up removal personal care compositions are described, which are said to exhibit excellent makeup removal effects under wet or wet conditions.
• the composition described in Patent Document 2 contains 5% by weight or less of water, but no investigation has been made on the phenomenon that water volatilizes and becomes unstable during storage.
• the oil component blended in Patent Document 2 is described as natural or synthetic esters, hydrocarbons, and silicone oils (paragraph 0033), and is not particularly limited. In some cases, phase separation occurred during storage.
• Patent Document 3 discloses an oil-based cleaning material containing (a) liquid oil, (b) a nonionic surfactant, (c) a water-soluble reducing agent, and (d) water as essential components.
• a nonionic surfactant In order to prevent odor due to deterioration of liquid oil or surfactant, it is necessary to add a water-soluble reducing agent.
• JP 2005-68082 A Japanese Patent No. 5361730 JP 2003-95919 A
• the present invention has been made in view of the above circumstances, and by reexamining the components constituting cleansing cosmetics, stability does not depend on the amount of moisture present, or even in non-aqueous systems that do not contain water, the temperature is low.
• the present inventors combined two types of nonionic surfactants at a blending ratio different from that of the prior art, and selected the oil content composition. The present inventors have found that the problem can be solved and have completed the present invention.
• the present invention (A) 70 to 95% by mass of liquid oil at room temperature; (B) at least one selected from tetraoxystearic acid polyoxyethylene solves-30 and tetraoleic acid polyoxyethylene solves-30; and (C) a polyoxyethylene glyceryl ether fatty acid ester, Nonpolar hydrocarbon oil accounts for 40% by mass or more of the component (A), The total blending amount of the component (B) and the component (C) is 5 to 15% by mass, and the blending ratio [(C) / (B)] of both is in the range of 0.20 to 0.70.
• a cleansing cosmetic characterized in that the water content is 1% by mass or less.
• the cleansing cosmetic of the present invention does not depend on the amount of water present in the cosmetic, or even in an anhydrous system that does not contain water, it does not cause white turbidity or precipitation over a long period of time under low or high temperature conditions. Have sex. Moreover, the cleansing cosmetic composition of the present invention has a low viscosity and has excellent usability that can be washed out well. Furthermore, if it is set as the composition of the cleansing cosmetics of this invention, the water-soluble reducing agent for preventing an odor is also unnecessary.
• the cleansing cosmetic composition of the present invention comprises (A) an oil component that is liquid at room temperature, (B) at least one selected from polyoxyethylene solves-30 tetraisostearate and polyoxyethylene solves 30 tetraoleate, and ( C) Contains polyoxyethylene glyceryl ether fatty acid ester.
• the oil component that is liquid at room temperature used in the present invention is not particularly limited as long as it is an oil component that is usually used in cosmetics and is liquid at room temperature (about 25 ° C.).
• examples of the silicone oil include chain silicone oils such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexasiloxane.
• examples thereof include cyclic silicone oil.
• polar oils examples include glyceryl diisostearate, diisostearyl malate, tripropylene glycol pivalate, glyceryl tri-2-ethylhexanoate, cetyl octanoate, hexyl laurate, isopropyl myristate, octyl palmitate, and isocetyl stearate.
• ester oils such as isopropyl isostearate, octyl isopalmitate, isodecyl isostearate, 2-ethylhexyl succinate, diethyl sebacate, cetyl ethylhexanoate, and the like.
• nonpolar oil examples include hydrocarbon oils such as mineral oil (liquid paraffin, paraffin), squalane, squalene, isododecane, and isohexadecane.
• the blending amount of the oil component (A) at room temperature is 70 to 95% by mass, preferably 75 to 85% by mass with respect to the total amount of the cosmetic. If it is less than 70% by mass, it is not preferable because the feeling of use peculiar to oil is lost, for example, the feeling when applied to the skin becomes heavy. If it exceeds 95% by mass, the ease of washing off with water may be impaired. This is not preferable.
• nonpolar hydrocarbon oil may occupy 40 mass% or more of a component (A), Preferably it is 60 mass% or more, More preferably, it is 70 mass% or more.
• phase separation may occur and the like may become unstable.
• the component (B) in the cleansing cosmetic of the present invention is at least one selected from tetraisostearate polyoxyethylene solves-30 and tetraoleate polyoxyethylene solves-30.
• the tetraisostearic acid polyoxyethylene solves-30 and the tetraoleic acid polyoxyethylene solves-30 have a structure represented by the following general formula (I).
• the tetraisostearic acid polyoxyethylene solves-30 is a compound in which -OCOR is an isostearic acid residue and ethylene oxide addition number (a + b + c + d + e + f) is 30 in the above general formula (I), and the display name (INCI name) is Solves-30 tetraisostearate.
• Tetraoleic acid polyoxyethylene solves-30 is a compound in which -OCOR is an oleic acid residue and ethylene oxide addition number (a + b + c + d + e + f) is 30 in the general formula (I), and the display name (INCI name) is tetra. Solves-30 oleate.
• the cleansing cosmetic composition of the present invention may contain either tetraisostearate polyoxyethylene solves-30, tetraoleate polyoxyethylene solves-30, or a combination of both. However, from the viewpoint of odor stability, it is preferable to use polyisoethylene tetraisostearate-30.
• polyisoethylene tetraisostearate-30 it is preferable to use polyisoethylene tetraisostearate-30.
• tetraisostearic acid polyoxyethylene solves-30 and / or tetraoleic acid polyoxyethylene solves-30 are hereinafter collectively referred to as “tetra fatty acid solves-30”.
• the component (C) in the cleansing cosmetic of the present invention is polyoxyethylene glyceryl ether fatty acid ester (hereinafter abbreviated as “fatty acid PEG glyceryl”).
• the fatty acid constituting the fatty acid PEG glyceryl is preferably a linear or branched fatty acid having 12 to 22 carbon atoms, and examples thereof include stearic acid, isostearic acid and oleic acid. Among these, PEG glyceryl isostearate is particularly preferably used.
• preferred fatty acid PEG glyceryl include PEG-3 glyceryl monoisostearate, PEG-5 glyceryl monoisostearate, PEG-6 glyceryl monoisostearate, PEG-8 glyceryl monoisostearate, PEG-10 glyceryl monoisostearate, PEG-10 glyceryl diisostearate, PEG-20 glyceryl diisostearate, PEG-10 glyceryl triisostearate, PEG-15 glyceryl triisostearate, PEG-20 glyceryl triisostearate, PEG-30 glyceryl triisostearate, etc. However, it is not limited to these. These fatty acid PEG glyceryls may be used alone or in combination of two or more.
• the total blending amount of the component (B) tetrafatty acid Solves-30 and the component (C) fatty acid PEG glyceryl in the cleansing cosmetic of the present invention is not particularly limited as long as the effect of the present invention is achieved, but usually It is 5 to 15% by mass, preferably 6 to 12% by mass, more preferably 7 to 10% by mass, and still more preferably 8 to 9% by mass.
• the blending ratio [(C) / (B)] of the component (B) tetrafatty acid sorbes-30 and the component (C) fatty acid PEG glyceryl is 0.20 to 0.70, preferably 0.22. To 0.68, more preferably 0.25 to 0.67. In the case of cosmetics having a blending ratio of less than 0.20 or more than 0.70, the wash-out property is inferior and the storage stability may be lowered.
• the cleansing cosmetic of the present invention may contain 1 mass or less, for example, about 0.0001 to 1 mass% of water, or may be in an anhydrous form not containing water. Since the cleansing cosmetic composition of the present invention contains a combination of surfactants (components (A) and (B)) excellent in compatibility with the oil (component (A)), it results from volatilization of water. And no turbidity or precipitation occurs even under low and high temperature conditions.
• the cleansing cosmetic composition of the present invention comprises (A) at least one selected from polyoxyethylene solves-30 tetraisostearate and polyoxyethylene solves 30 tetraolestearate together with an oil that is liquid at room temperature, (C) Since it contains a combination with polyoxyethylene glyceryl ether fatty acid ester, it does not easily cause odor due to deterioration, and does not contain a water-soluble reducing agent such as sulfurous acid, thiosulfuric acid, or salts thereof, or bisulfite. preferable.
• the cleansing cosmetic of the present invention is transparent or translucent, has a viscosity at 30 ° C. of 30 mPa ⁇ s or less, preferably 25 mPa / s or less, more preferably about 20 mPa ⁇ s, and is particularly excellent in usability. Yes.
• the cleansing cosmetic composition of the present invention can be added with various components that are widely used in the field of cosmetics and pharmaceuticals as long as the effects of the present invention are not impaired.
• vitamin B group vitamin C and derivatives thereof, tranexamic acid, pantothenic acid and derivatives thereof, water-soluble active substances such as vitamins such as biotin, water-soluble polymers such as guar gum, xanthan gum and polyvinyl alcohol, vitamin E, ⁇ -Oil-soluble active substances such as carotene, buffers such as arginine, aspartic acid, citric acid, tartaric acid and lactic acid, chelating agents such as EDTA, preservatives, various dyes and the like.
• vitamin B group vitamin C and derivatives thereof, tranexamic acid, pantothenic acid and derivatives thereof, water-soluble active substances such as vitamins such as biotin, water-soluble polymers such as guar gum, xanthan gum and polyvinyl alcohol, vitamin E, ⁇ -Oil-soluble
• the cleansing cosmetic composition of the present invention has a low viscosity
• the blending amount of the thickener or gelling agent is limited, and the blending agent is, for example, less than 2% by mass, less than 1% by mass, or 0.1%. It is preferable that the amount be less than about mass%.
• a thickening gelling agent such as (behenic acid / eicosanedioic acid) glyceryl is not included is also included.
• the cleansing cosmetic composition of the present invention can be produced according to a conventional method. Specifically, after mixing and stirring the oil phase component / surfactant at room temperature, the aqueous phase component is optionally mixed. Add, mix, and stir to prepare a liquid cleansing cosmetic.
• the cleansing cosmetic composition of the present invention is suitable for use as a skin cleansing composition or a massage cosmetic composition, in particular, as a makeup cleansing oil having excellent washability.
• the present invention will be described in more detail with reference to specific examples.
• the examples are representative examples of the present invention and do not limit the technical scope of the present invention.
• the unit of a compounding quantity is the mass%.
• Cleansing cosmetics were prepared according to conventional methods according to the formulations listed in Tables 1 to 4 below. The resulting cleansing cosmetic was evaluated for ease of washing with water and stability over time by the following methods.
• Example and Comparative Example were placed in a transparent PET container with a 50 ml dispenser and stored at 50 ° C. for 1 month, and then left at ⁇ 5 ° C., 0 ° C., 25 ° C., and 50 ° C., respectively. This was done by observing the appearance for one month and evaluated according to the following criteria.
• the blending ratio [(C) / (B)] of (B) tetrafatty acid Solves-30 and (C) fatty acid PEG glyceryl is 0.20 to 0.70.
• this ratio is outside the above range, the ease of washing is particularly lowered.
• Comparative Examples 4-1, 4-2 and 4-6 in which the proportion of the nonpolar oil was less than 40% by mass and a large amount of silicone oil was blended, the stability over time was lowered and separation and white turbidity occurred. . Further, Comparative Examples 4-3 to 4-5 and 4-7 to 4-9 containing a large amount of polar oil (ethylhexyl palmitate + triethylhexanoin) were poorly washed away and felt sticky after washing.
• polar oil ethylhexyl palmitate + triethylhexanoin

Landscapes

• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Birds (AREA)
• Epidemiology (AREA)
• Emergency Medicine (AREA)
• Dermatology (AREA)
• Cosmetics (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=57543834

Family Applications (1)

Country Status (7)

Cited By (2)

Families Citing this family (4)

Citations (5)

Family Cites Families (6)

• 2016
  • 2016-02-29 JP JP2016037011A patent/JP6045734B1/ja active Active
• 2017
  • 2017-02-24 TW TW106106553A patent/TW201731484A/zh unknown
  • 2017-02-27 WO PCT/JP2017/007317 patent/WO2017150406A1/ja active Application Filing
  • 2017-02-27 SG SG11201807137UA patent/SG11201807137UA/en unknown
  • 2017-02-27 CN CN201780012378.5A patent/CN108697597B/zh active Active
  • 2017-02-27 KR KR1020187026816A patent/KR20180115740A/ko unknown
• 2018
  • 2018-11-02 HK HK18114039.4A patent/HK1254937A1/zh unknown

Patent Citations (5)

Also Published As

Similar Documents

Legal Events