CN111050739A - Gel-like cosmetic - Google Patents

Gel-like cosmetic Download PDF

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Publication number
CN111050739A
CN111050739A CN201980004091.7A CN201980004091A CN111050739A CN 111050739 A CN111050739 A CN 111050739A CN 201980004091 A CN201980004091 A CN 201980004091A CN 111050739 A CN111050739 A CN 111050739A
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China
Prior art keywords
component
gel
glyceryl
cosmetic
feeling
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CN201980004091.7A
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Chinese (zh)
Inventor
泽田彰子
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Mandom Corp
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Mandom Corp
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Priority claimed from JP2018067101A external-priority patent/JP6853798B2/en
Application filed by Mandom Corp filed Critical Mandom Corp
Publication of CN111050739A publication Critical patent/CN111050739A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A61K8/062—Oil-in-water emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • 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
    • A61K8/34—Alcohols
    • 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
    • A61K8/37—Esters of carboxylic acids
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
    • 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
    • A61K8/89—Polysiloxanes
    • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Dermatology (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Cosmetics (AREA)

Abstract

Provided is a gel-like cosmetic material having a moist coating touch, an elastic coating touch, and a sustained thickness touch. An oil-in-water gel cosmetic composition comprising a component (A), a component (B), a component (C), a component (D), and a component (E), wherein the content of the component (D) is 0.1 to 1.0% by mass, the content of the component (B) is 0.2 to 1.2% by mass, and the mass ratio of the content of the component (B) to the content of the component (A) [ component (B)/component (A) ] is 1.0 to 15.0. Component (A): a polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether (meth) acrylate; component (B): a polymer comprising structural units derived from acryloyl dimethyltaurate; component (C): specific fatty acid monoglycerides; component (D): an aliphatic alcohol having 12 to 24 carbon atoms; component (E): and (3) water.

Description

Gel-like cosmetic
Technical Field
The present invention relates to a gel-like cosmetic. The present application claims priority of Japanese patent application No. 2018-067101 and Japanese patent application No. 2018-067102 filed in Japan at 30.3.2018, the contents of which are incorporated herein by reference.
Background
The gel-like cosmetic is a cosmetic in a gel-like form obtained by mixing a thickener in the system. Gel-like cosmetics are used for massage cosmetics, makeup removers, cosmetic gels in which the cosmetic liquid component is in a gel-like form, and the like, because they provide a smooth coating feeling.
The following attempts have been disclosed so far: gel-like cosmetic compositions containing a hydrophobic oil-absorbing powder, an alkyl-modified carboxyvinyl polymer and an alkaline substance are excellent in extensibility when applied to the skin and free from greasy feeling and oily shine due to sebum (for example, patent document 1).
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 9-249543
Disclosure of Invention
Problems to be solved by the invention
On the other hand, one of the recent demands of users for cosmetics is the feeling of practical use. The actual use feeling is a feeling that a user feels when applying the target cosmetic to the skin, that is, a sense of identity. For example, a thick feeling is felt upon application of the cosmetic to the skin, and this feeling is sustained, thereby causing a feeling of actual use in which a thick formulation is used. In addition, users of gels also require a tactile sensation having elasticity like a gel.
The gel-like cosmetic material of patent document 1 causes instant gel break at the time of application, and gives a feeling of use with good spreadability. Therefore, the feeling of thickness at the time of coating is limited to a short time immediately after coating, and does not last. In the present specification, the "thickness feeling at the time of application" means a feeling that a finger feels a coating layer having a certain thickness when a cosmetic is applied to the skin.
Accordingly, an object of the present invention is to provide a gel-like cosmetic material having a moist coating touch, an elastic coating touch, and a sustained thickness touch.
Means for solving the problems
The present inventors have conducted intensive studies to achieve the above object, and as a result, have found that the following oil-in-water gel-like cosmetic composition containing the component (a) can achieve a combination of a soft coating touch, an elastic coating touch, and a sustained thickness touch: a polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether (meth) acrylate; component (B): a polymer comprising structural units derived from acryloyl dimethyltaurate; component (C): 1 or more fatty acid monoglycerides selected from the group consisting of glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobehenate, and glyceryl dibehenate; component (D): an aliphatic alcohol having 12 to 24 carbon atoms; and component (E): water, wherein the content of the component (D) is 0.1-1.0 mass%, the content of the component (B) is 0.2-1.2 mass%, and the mass ratio of the content of the component (B) to the content of the component (A) [ component (B)/component (A) ] is 1.0-15.0. The present invention has been completed based on these technical ideas.
That is, the present invention provides an oil-in-water type gel cosmetic composition comprising the following component (A), the following component (B), the following component (C), the following component (D) and the following component (E),
the content of the component (D) is 0.1-1.0 mass%, the content of the component (B) is 0.2-1.2 mass%, and the mass ratio of the content of the component (B) to the content of the component (A) [ component (B)/component (A) ] is 1.0-15.0.
Component (A): a polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether (meth) acrylate;
component (B): a polymer comprising structural units derived from acryloyl dimethyltaurate;
component (C): 1 or more fatty acid monoglycerides selected from the group consisting of glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobehenate, and glyceryl dibehenate;
component (D): an aliphatic alcohol having 12 to 24 carbon atoms;
component (E): and (3) water.
The gel-like cosmetic preferably further contains the following component (F).
Component (F): the kinematic viscosity at 25 ℃ is 3 to 10 ten thousand mm2Dimethyl polysiloxane per second.
When the gel cosmetic contains the component (F), the content of the component (F) is preferably 0.01 to 0.2% by mass.
Effects of the invention
The gel-like cosmetic of the present invention has excellent feeling in use because it has the effects of having a moist coating touch, an elastic coating touch, and a sustained thickness touch.
Detailed Description
The gel-like cosmetic of the present invention contains the following as essential components: a polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether (meth) acrylate; a polymer comprising structural units derived from acryloyl dimethyltaurate; 1 or more fatty acid monoglycerides selected from the group consisting of glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobehenate, and glyceryl dibehenate; an aliphatic alcohol having 12 to 24 carbon atoms: and water. In the present specification, the "polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether of (meth) acrylic acid" may be referred to as "component (a)", the "polymer containing a structural unit derived from acryloyl dimethyltaurate" may be referred to as "component (B)", and the "fatty acid monoglyceride selected from the group consisting of glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobehenate and glyceryl dibehenate" may be referred to as "component (C)", the "aliphatic alcohol having 12 to 24 carbon atoms" is referred to as "component (D)", and the "water" is referred to as "component (E)".
That is, the gel-like cosmetic of the present invention contains at least the component (a), the component (B), the component (C), the component (D), and the component (E). The gel-like cosmetic of the present invention may further contain components other than the components (a) to (E) as essential components depending on the application. The gel-like cosmetic of the present invention may contain only 1 or 2 or more of the above-mentioned components (a) to (E) and other components.
The gel-like cosmetic of the present invention is an oil-in-water gel-like cosmetic. Since the continuous phase is water (component (E)), the feeling of use of the product is excellent, and the replenishing power of water is excellent. Further, since the elasticity and hardness of the gel are controlled by blending the components (a) and (B) as a thickener at a specific mass ratio [ component (B)/component (a) ], a gel-like cosmetic material having excellent maintenance of a thick feeling of elasticity with little possibility of collapse is obtained.
Hereinafter, the essential components of the gel-like cosmetic of the present invention, namely, components (a) to (E), will be described.
[ component (A) ]
The component (a) is a polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate (monomer component (A1a)) and a structural unit derived from a polyoxyethylene alkyl ether (meth) acrylate (monomer component (A1 b)). The component (a) is a water-soluble polymer which thickens the system to form a gel form, and particularly exerts an effect of providing elasticity to the gel. Therefore, a gel-like cosmetic material that strongly feels gel-like elasticity when applied can be produced. Examples of the monomer component (A1b) include polyoxyethylene stearyl methacrylate and polyoxyethylene behenyl methacrylate. The average molar number of addition of ethylene oxide in the monomer component (A1b) is preferably 15 to 30. The monomer component (A1a) and the monomer component (A1b) may be used alone or in combination of 2 or more. The component (a) may contain a structural unit derived from a monomer component other than the monomer component (A1a) and the monomer component (A1 b). Examples of the component (a) include a copolymer of (meth) acrylic acid and/or an alkyl (meth) acrylate and polyoxyethylene stearyl methacrylate, and a copolymer of (meth) acrylic acid and/or an alkyl (meth) acrylate and polyoxyethylene behenyl methacrylate.
As the component (A), a compound represented by the INCI name "ACRYLATES/STEARETH-20 METHACRYLATE ECOPOLYMER ((acrylic acid (ester)/STEARETH-20 methacrylate) copolymer)" is preferable; a compound represented by "ACRYLATES/STEARETH-20 METHACRYLATE CROSSPOLYMER ((acrylic acid/STEARETH-20 methacrylate) crosspolymer)"; and a compound represented by "ACRYLATES/BEHENETH-25 METHACRYLATE ECOPOLYMER" (acrylic acid (ester)/BEHENETH-25 methacrylate copolymer) ". Among the above, the (acrylic acid/steareth-20 methacrylate) copolymer and the (acrylic acid/beheneth-25 methacrylate) copolymer are preferable from the viewpoint of providing the gel-like cosmetic of the present invention with a tender coating touch and a thick feeling with elasticity.
Commercially available products may be used as the component (A). Examples of commercially available products of component (A) include, for example, the product name "ACULYN 22", the product name "ACULYN 88", and the product name "ACULYN 28" (both manufactured by Dow chemical Co., Ltd.).
The component (A) is preferably used after neutralization with an alkaline substance or after neutralization with an alkaline substance. Examples of the basic substance in this case include alkanolamines such as triethanolamine and monoethanolamine; inorganic bases such as ammonia, sodium hydroxide and potassium hydroxide; basic amino acids such as arginine, and the like. The amount of the basic substance to be added is an amount sufficient to neutralize the component (a) or an amount sufficient to neutralize the component (a), and may be appropriately blended depending on the kinds of the component (a) and the basic substance and the amount of the component (a).
[ component (B) ]
The component (B) is a polymer containing at least a structural unit (so-called monomer unit) derived from acryloyl dimethyltaurate. The component (B) is a water-soluble polymer which thickens the system to form a gel form, and particularly exerts an effect of contributing to the maintenance of a thick feeling. Examples of the acryloyl dimethyltaurate include sodium acryloyl dimethyltaurate and the like. The component (B) may contain a structural unit derived from a monomer component other than acryloyl dimethyltaurate. Examples of the monomer component other than acryloyl dimethyltaurate include (meth) acrylic acid such as acrylic acid; (meth) acrylates such as sodium acrylate; hydroxyl group-containing acrylic monomers such as hydroxyethyl acrylate; amide group-containing acrylic monomers such as acrylic acid amide. Examples of the component (B) include copolymers of acrylic acid and acryloyl dimethyltaurate; copolymers of hydroxyethyl acrylate and acryloyl dimethyl taurate; acrylic acid, acrylic acid salts, copolymers of acrylamide and acryloyl dimethyl taurate, and the like.
As the component (B), a compound expressed by the INCI name "Sodium Acrylate/Sodium acryloyldimethyl Taurate Copolymer" (Sodium Acrylate/Sodium acryloyldimethyl Taurate Copolymer) is preferable; and compounds represented by the INCI name "Hydroxyethylacrylate/Sodium Acryloyldimethyl taurate copolymer". Among the above, the (sodium acrylate/sodium acryloyldimethyltaurate) copolymer is preferable.
As the component (B), commercially available products can be used. Examples of the commercially available product include the product name "SIMULGEL EG" and the product name "SIMULGEL NS" (manufactured by SEPPIC SA, Inc., above).
The content of the component (B) in the gel-like cosmetic of the present invention is 0.2 to 1.2% by mass, preferably 0.3 to 0.8% by mass, based on 100% by mass of the gel-like cosmetic of the present invention. When the content is less than 0.2% by mass, the thickening effect is low, the gel is too soft, and the thickness feeling during application is lost. When the content exceeds 1.2% by mass, the gel becomes too hard and the elasticity is lost. The content of the component (B) is the total content of all the components (B) in the gel-like cosmetic of the present invention.
In the gel-like cosmetic material of the present invention, the mass ratio of the content of the component (B) to the content of the component (a) [ component (B)/component (a) ] is 1.0 to 15.0, preferably 1.0 to 10.0. By setting the mass ratio within the above range, a gel-like cosmetic material can be produced which has both elasticity and thickness feeling and can maintain the elasticity and thickness feeling. When the mass ratio is 1.0 or more, the feeling of thickness and the effect of maintaining the feeling of thickness at the time of application, which are characteristics of the component (B), are more excellent, and when the mass ratio is 15.0 or less, the elasticity of the gel unique to the component (a) is excellent and the feeling of thickness at the time of application is also excellent.
[ component (C) ]
The component (C) is at least 1 fatty acid monoglyceride selected from the group consisting of glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobehenate and glyceryl dibehenate. The component (C) is a lipophilic nonionic surfactant, and exhibits an effect as an emulsifier for forming an oil-in-water type emulsion system. In addition, the effect of improving the thickness feeling at the time of coating is exhibited. The component (C) may be used in only 1 kind, or may be used in 2 or more kinds.
The content of the component (C) in the gel-like cosmetic of the present invention is not particularly limited, but is preferably 0.05 to 3.0% by mass, more preferably 0.1 to 2.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention. When the content is 0.05% by mass or more, the effect of improving emulsion stability and thickness feeling at the time of coating is more excellent. When the content is 3.0 mass% or less, the stickiness and the sliminess after coating are further suppressed, and the effect of providing a dry feeling in use is exerted. The content of the component (C) is the total content of all the components (C) in the gel-like cosmetic of the present invention.
[ component (D) ]
The component (D) is an aliphatic alcohol (higher alcohol) having 12 to 24 carbon atoms. The component (D) controls the viscosity of the system and further improves the thickness feeling at the time of application. The component (D) may be used in only 1 kind, or may be used in 2 or more kinds.
The number of carbon atoms of the component (D) is not particularly limited, but is preferably 12 to 24, more preferably 14 to 22. When the number of carbon atoms is within the above range, the effect of improving the thickness feeling at the time of coating is more excellent. In addition, the component (D) is preferably a monohydric aliphatic alcohol in order to further improve the thickness feeling during coating.
The component (D) is not particularly limited, and examples thereof include lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, cetearyl alcohol, isostearyl alcohol, 2-octyldodecanol, oleyl alcohol, behenyl alcohol, and batyl alcohol.
The content of the component (D) in the gel-like cosmetic of the present invention is 0.1 to 1.0 mass%, preferably 0.1 to 0.6 mass%, based on 100 mass% of the gel-like cosmetic of the present invention. When the content is 0.1% by mass or more, the viscosity of the system is controlled to further improve the thickness feeling at the time of coating. When the content is 1.0 mass% or less, the stickiness and the sliminess after coating are further suppressed, and the effect of providing a dry feeling in use is exerted. The content of the component (D) is the total content of all the components (D) in the gel-like cosmetic of the present invention.
[ component (E) ]
The component (E) is water. The component (E) functions as a medium for forming an oil-in-water emulsion system. The water is not particularly limited, and pure water is preferred. The content of the component (E) in the gel-like cosmetic of the present invention is not particularly limited, and is preferably 60.0 to 90.0% by mass, and more preferably 70.0 to 85.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention.
[ other ingredients ]
Hereinafter, optional components of the gel-like cosmetic of the present invention will be described.
[ component (F) ]
The gel-like cosmetic of the present invention may further comprise a kinematic viscosity of 3 to 10 ten thousand mm at 25 ℃2(ii) dimethylpolysiloxane per second (hereinafter sometimes referred to as "component (F)"). Component (F) is a component also referred to as polydimethylsiloxane. Component (F) can impart a penetrating feeling, an elastic feeling, and a good smooth feeling by forming a coating film on the skin after applying the gel-like cosmetic of the present invention to the skin. The kinematic viscosity of the dimethylpolysiloxane at 25 ℃ was measured in accordance with JIS K2283. The component (F) may be used in only 1 kind, or may be used in 2 or more kinds.
The kinematic viscosity at 25 ℃ is preferably 4 to 9 ten thousand mm, from the viewpoint of forming a coating film on the skin and having excellent effects of providing a penetrating feeling, an elastic feeling, and a good smooth feeling2/s。
Commercially available products may be used as the component (F). Examples of commercially available products includeFor example, a trade name of "KF-96H 3 ten thousand cs" (kinematic viscosity at 25 ℃ C.: 3 ten thousand mm)2(s)), trade name "KF-96H-5 kilocs" (kinematic viscosity at 25 ℃: 5 ten thousand mm2(s)), trade name "KF-96H-6 kilocs" (kinematic viscosity at 25 ℃: 6 ten thousand mm2(s)), trade name "KF-96H-10 kilocs" (kinematic viscosity at 25 ℃: 10 ten thousand mm2(s) (manufactured by shin-Etsu chemical Co., Ltd.); trade name "SH 200FLUID 30,000 CS" (kinematic viscosity at 25 ℃ C.: 3 ten thousand mm)2S), "SH 200FLUID 60,000 CS" (kinematic viscosity at 25 ℃: 6 ten thousand mm2S), "SH 200FLUID 100,000 CS" (kinematic viscosity at 25 ℃: 10 ten thousand mm2And/s) (the above are manufactured by Dow Corning Toray Co., Ltd.).
The content of the component (F) in the gel-like cosmetic of the present invention is not particularly limited, and is, for example, 0.01 to 0.2 mass%, preferably 0.03 to 0.15 mass% with respect to 100 mass% of the gel-like cosmetic of the present invention. When the content is 0.01% by mass or more, a film is formed on the skin, and the effect of providing a feeling of penetration and a moderate elastic feeling is more excellent. When the content exceeds 0.2% by mass, the elastic feeling becomes too strong, and the skin may become tight after application. In addition, the cosmetic material has a heavy coating feel and is difficult to obtain a penetrating feel. The content of the component (F) is the total content of all the components (F) in the gel-like cosmetic of the present invention.
When the gel-like cosmetic of the present invention contains the above-mentioned component (F), the gel-like cosmetic of the present invention preferably does not contain a compound having a kinematic viscosity of less than 3 ten thousand mm at 25 ℃2(ii) a silicone oil/s, or the content of the silicone oil is 5.0 mass% or less (0 to 5.0 mass%). A kinematic viscosity at 25 ℃ of less than 3 ten thousand mm containing more than 5.0 mass% of the above2In the case of the silicone oil/s, the effect of suppressing the elastic feeling by the component (F) may be expressed. Examples of the silicone oil include dimethylpolysiloxane.
[ component (G) ]
The gel-like cosmetic material of the present invention may further contain 1 or more selected from the group consisting of (ethylhexanoic acid/stearic acid/adipic acid) glyceride, tetrakis (hydroxystearic acid/isostearic acid) dipentaerythritol ester, hexakis (hydroxystearic acid/stearic acid/abietic acid) dipentaerythritol ester, hexakishydroxystearic acid dipentaerythritol ester, and hydroxystearic acid hydrogenated castor oil (hereinafter sometimes referred to as "component (G)"). The component (G) can impart an effect of imparting a heavy feel to the gel-like cosmetic at the time of application while maintaining the moisture of the gel-like cosmetic. The component (G) may be used in only 1 kind, or may be used in 2 or more kinds.
Commercially available products may be used as the component (G). For example, as (ethylhexanoic acid/stearic acid/adipic acid) glyceride, there may be mentioned the trade name "Nomucoat LAH"; as dipentaerythritol tetrakis (hydroxystearic acid/isostearic acid) ester, there may be mentioned the product name "COSMOL 168 EV"; as the dipentaerythritol hexa (hydroxystearic acid/stearic acid/abietic acid) ester, there may be mentioned the trade name "COSMOL 168 ARV"; examples of dipentaerythritol hexahydroxystearate include "COSMOL 168M" (manufactured by riqing oirito corporation); the hydrogenated castor oil hydroxystearate is available under the trade name "Technol MH" (manufactured by Takara Shuzo oil & fat industries Co., Ltd.).
The content of the component (G) in the gel-like cosmetic of the present invention is not particularly limited, and is, for example, 0.2 to 4.0% by mass, preferably 0.3 to 3.0% by mass, and more preferably 0.5 to 2.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention. When the content is 0.2% by mass or more, the gel-like cosmetic is more excellent in the effect of providing a thick feel when applied while maintaining the moisture of the gel-like cosmetic. When the content exceeds 4.0% by mass, the formed film may be sticky after application of the gel-like cosmetic, and the water-retaining property and the feeling of penetration may be reduced. The content of the component (G) is the total content of all the components (G) in the gel-like cosmetic of the present invention.
The gel-like cosmetic of the present invention may further contain a nonionic surfactant other than the component (C) in order to improve emulsion stability when it is formulated into an oil-in-water emulsion type. The nonionic surfactant is preferably a fatty acid ester type nonionic surfactant, and examples thereof include at least one nonionic surfactant selected from the group consisting of polyglycerin fatty acid esters, sorbitan fatty acid esters, polyoxyethylene glycerin fatty acid esters, and polyoxyethylene sorbitan fatty acid esters. The nonionic surfactant may be used in an amount of 1 kind alone, or in an amount of 2 or more kinds.
The polyglycerol fatty acid ester is not particularly limited, and examples thereof include polyglycerol fatty acid monoesters such as diglycerol monostearate, diglycerol monooleate, diglycerol monoisostearate, tetraglycerol monostearate, tetraglycerol monooleate, hexaglycerol monolaurate, hexaglycerol monomyristate, hexaglycerol monostearate, hexaglycerol monooleate, decaglycerol monolaurate, decaglycerol monomyristate, decaglycerol monostearate, and decaglycerol monooleate; polyglyceryl fatty acid diesters such as diglycerol dioleate, decaglycerol distearate and decaglycerol diisostearate; polyglyceryl fatty acid triesters such as tetraglycerol tristearate, hexaglycerol tristearate, decaglycerol trioleate and the like; and polyglycerol fatty acid pentaesters such as tetraglyceride pentastearate, tetraglyceride pentaoleate, hexaglyceride pentaoleate, and hexaglyceride pentaoleate.
The average polymerization degree of the polyglycerin in the polyglycerin fatty acid ester is preferably 2 to 10 in view of improving the emulsion stability.
The fatty acid in the polyglycerin fatty acid ester is preferably a fatty acid having 8 to 24 carbon atoms, more preferably a fatty acid having 10 to 20 carbon atoms, and still more preferably a fatty acid having 12 to 18 carbon atoms, from the viewpoint of improving the emulsion stability.
The sorbitan fatty acid ester is not particularly limited, and examples thereof include sorbitan monodecanoate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan distearate, sorbitan sesquistearate, sorbitan tristearate, sorbitan trioleate, sorbitan monoisostearate, sorbitan sesquiisostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan coconut fatty acid ester.
The polyoxyethylene fatty acid ester is not particularly limited, and examples thereof include polyethylene glycol monolaurate, polyethylene glycol monopalmitate, polyethylene glycol monostearate, polyethylene glycol monoisostearate, polyethylene glycol distearate, polyethylene glycol monooleate, and polyethylene glycol dioleate.
The polyoxyethylene glycerin fatty acid ester is not particularly limited, and examples thereof include polyoxyethylene (caprylic/capric) glyceride, polyoxyethylene coconut oil fatty acid glyceride, polyoxyethylene glyceryl monooleate, polyoxyethylene glyceryl monomyristate, polyoxyethylene glyceryl monostearate, polyoxyethylene glyceryl monoisostearate, and polyoxyethylene glyceryl triisostearate. The number of addition mols of ethylene oxide is not particularly limited, but is preferably 2 to 100, more preferably 4 to 90, from the viewpoint of improving emulsion stability.
The polyoxyethylene sorbitan fatty acid ester is not particularly limited, and examples thereof include monolauric acid polyoxyethylene sorbitan, monostearate polyoxyethylene sorbitan, tristearic acid polyoxyethylene sorbitan, oleic acid polyoxyethylene sorbitan, trioleic acid polyoxyethylene sorbitan, and the like. The number of addition mols of ethylene oxide is not particularly limited, but is preferably 5 to 50, more preferably 10 to 30, from the viewpoint of improving emulsion stability.
When the gel-like cosmetic of the present invention further contains the nonionic surfactant, the total content of the component (C) and the nonionic surfactant is not particularly limited with respect to 100% by mass of the gel-like cosmetic of the present invention, and is preferably 0.5 to 4.0% by mass, more preferably 0.7 to 3.5% by mass, in view of more excellent emulsion stability. When the content is 4.0 mass% or less, the stickiness and the sliminess after coating are further suppressed, and the effect of providing a dry feeling in use is exerted. The content of the nonionic surfactant is the total content of all the nonionic surfactants in the gel-like cosmetic of the present invention.
The gel-like cosmetic of the present invention may contain ethanol in order to improve dispersibility of each component and permeability of the cosmetic to the skin. The content of ethanol in the gel-like cosmetic of the present invention is not particularly limited, and is preferably 0.1 to 30.0% by mass, and more preferably 0.5 to 25.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention. When the content is 0.1% by mass or more, dispersibility of each component and permeability to the skin can be further improved. When the content is 30.0% by mass or less, the effect of suppressing the destabilization of the cosmetic due to the irritation or the decrease in viscosity is more excellent.
The gel-like cosmetic of the present invention may contain a polyhydric alcohol in order to improve the moisturizing effect. Examples of the polyhydric alcohol include glycols, glycerols, and sugar alcohols. More specifically, there may be exemplified glycols such as ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, 1, 3-butanediol, 1, 2-pentanediol, 1, 2-hexanediol, 1, 2-octanediol, 1, 2-decanediol, and the like; glycerols such as glycerol, diglycerol, and polyglycerin; and sugar alcohols such as xylitol, trehalose, maltitol, mannitol, sorbitol, erythritol, arabitol, ribitol, galactitol, glucitol, and erythritol. The above-mentioned polyhydric alcohols may be used in only 1 kind, or may be used in 2 or more kinds.
The content of the polyhydric alcohol in 100% by mass of the gel-like cosmetic of the present invention is not particularly limited, but is preferably 0.1 to 30.0% by mass, and more preferably 1.0 to 25.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention. When the content is 0.1% by mass or more, the moisturizing effect can be further improved. When the content is 30.0% by mass or less, the effect of suppressing stickiness is more excellent.
The gel-like cosmetic material of the present invention may contain an oily component selected from the group consisting of a hydrocarbon oil, an ester oil and a vegetable oil, from the viewpoint of enhancing the moisturizing effect. The content of the oil component in 100% by mass of the gel-like cosmetic of the present invention is not particularly limited, but is preferably 0.1 to 20.0% by mass, more preferably 1.0 to 10.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention.
Examples of the hydrocarbon oil include liquid paraffin, vaseline, ceresin, microcrystalline wax, squalene, squalane, and isohexadecane. Examples of the ester oil include isopropyl myristate, 2-octyldodecyl myristate, cetyl 2-ethylhexanoate, and pentaerythritol tetraoctanoate. Examples of the vegetable oil include olive oil, camellia oil, macadamia nut oil, avocado oil, argan oil, and rice germ oil.
The gel-like cosmetic of the present invention may contain a water-soluble polymer other than the above-mentioned components (a) and (B). The water-soluble polymer is not particularly limited, and examples thereof include gelatin, xanthan gum, guar gum, carrageenan, pectin, locust bean gum, alginate, methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, carboxyvinyl polymer, alkyl-modified carboxyvinyl polymer, alkyl acrylate copolymer, and the like. The water-soluble polymer may be used in only 1 species, or may be used in 2 or more species.
When the gel-like cosmetic of the present invention further contains the water-soluble polymer, the total content of the component (a), the component (B) and the water-soluble polymer is not particularly limited to 100% by mass of the gel-like cosmetic of the present invention, and is preferably 0.25 to 1.7% by mass, more preferably 0.5 to 1.5% by mass, in view of further improving the effect of thickening the system into a gel-like state and the feeling of penetration. When the content is 1.7% by mass or less, stickiness and sliminess after coating are further suppressed, and a tender feeling in use is more excellent. The content of the water-soluble polymer is the total content of all the water-soluble polymers in the gel-like cosmetic of the present invention.
In the gel-like cosmetic of the present invention, in addition to the above-mentioned components, there may be mentioned, within a range not impairing the effects of the present invention, components generally used in cosmetics, for example: surfactants such as anionic surfactants and amphoteric surfactants; alcohols other than the component (D); dimethylpolysiloxane (silicone oil) other than component (F); waxes such as carnauba wax, candelilla wax, beeswax, and lanolin; abrasive cleaners such as crystalline cellulose, cellulose particles, silica and calcium carbonate; cooling agents such as menthol and menthyl glyceryl ether; antiseptic and bactericidal agents such as paraben and phenoxyethanol; a chelating agent; an antioxidant; a plant extract; a dye; a pigment; a pH adjusting agent; a fragrance; powder; coloring materials, and the like. The other components may be blended as appropriate depending on the use and purpose thereof.
The gel-like cosmetic of the present invention is in the form of a gel (gel). The viscosity of the gel-like cosmetic for skin of the present invention is not particularly limited, and is preferably 4000 to 500000 mPas, more preferably 8000 to 100000 mPas under the measurement condition at 25 ℃. The viscosity can be measured, for example, using a TVB type rotational viscometer (product name "TVB-22L", manufactured by eastern industries co., ltd.).
< gel-like cosmetic preparation of the present invention >
The method for producing the gel-like cosmetic of the present invention is not particularly limited, and the gel-like cosmetic can be produced by a known method. Examples of the method for producing the gel composition include: a method of adding the above components and mixing them using a known mixing device such as a dispersion mixer or an impeller mixer. However, the present invention is not limited to the above-described manufacturing method. The gel-like cosmetic of the present invention is preferably filled in a container such as a dispenser container, a tube container, or a jar container, which can be easily taken out.
The gel-like cosmetic of the present invention is a skin cosmetic for application to the skin. Specifically, the cosmetic composition is not particularly limited, and is preferably used for makeup removing cosmetics, massage cosmetics, beauty gels, and the like. Further, it may be a so-called all-in-one type cosmetic material used alone as a cosmetic material having functions of a gel, a lotion, a beauty lotion, an emulsion, a cream, and the like.
The part to which the gel-like cosmetic of the present invention is applied is not particularly limited, and examples thereof include the face (forehead, eye, canthus, cheek, and edge of mouth), the body (arm, elbow, back of hand, finger tip, foot, knee, heel, neck, underarm, and back). Among them, the face is particularly preferable. The gel-like cosmetic of the present invention is preferably a gel-like cosmetic for the face.
The gel-like cosmetic of the present invention is an oil-in-water (o/w) type gel-like cosmetic comprising water (component (E)), a specific water-soluble polymer (components (a) and (B)), and a specific fatty acid monoglyceride (component (C)) as essential components. Therefore, the feeling of use and penetration of the water and the ability to supply water are excellent.
The gel-like cosmetic of the present invention is a gel which is compatible in elasticity and thickness feeling and in maintenance thereof, by using, as a thickening system, a polymer (component (a)) containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether of (meth) acrylic acid, and a polymer (component (B)) containing a structural unit derived from an acryloyl dimethyltaurate. By blending the components (a) and (B) in a mass ratio [ component (B)/component (a) ] of a very limited range, the elasticity and hardness of the gel are controlled, and therefore, a gel which is less likely to collapse and has an excellent feeling of thickness with elasticity is formed.
Further, by blending a specific fatty acid monoglyceride (component (C)) as a lipophilic nonionic active agent and a higher alcohol (component (D)), the viscosity of the system is controlled, and the thickness feeling at the time of coating is further improved, thereby providing an effect of improving the thickness feeling of the preparation.
The gel-like cosmetic of the present invention is characterized by having a soft feeling of use, which the gel has, and being excellent in elasticity, as well as thickness feeling and maintenance thereof at the time of application.
Examples
The present invention will be described in more detail below with reference to examples, but the present invention is not limited to these examples. The compounding amounts shown in the tables are the blending amounts of the respective components (i.e., the blending amounts of the effective components in the respective raw materials), and are expressed as "% by mass" unless otherwise specified. In addition, "-" in the amount of mixing in the table means that the component was not mixed.
Examples 1 to 25 and comparative examples 1 to 8
(production of Each sample)
Gel-like cosmetics of examples 1 to 25 and comparative examples 1 to 8 were prepared by a conventional method according to the compositions shown in tables 1 to 2, and subjected to the following evaluation tests. The evaluation results are shown in tables 1 and 2.
The details of the main components described in tables 1 to 2 are as follows.
< ingredient (A) >
(acrylic acid (ester)/beheneth-25 methacrylate) copolymer: trade name "ACULYN 28", manufactured by Dow chemical Co., Ltd
< ingredient (B) >
(sodium acrylate/sodium acryloyldimethyl taurate) copolymer: under the trade name "SIMULGEL EG", manufactured by SEPPIC SA
< ingredient (C) >
Stearic acid glyceride: trade name "CUTINA GMS-V", oleophilic fatty acid monoglyceride, manufactured by BASF corporation
< other ingredients >
(acrylic/alkyl acrylate (C10-30)) crosslinked Polymer: the trade name "PEMULEN TR-1", manufactured by LUOBORUN JASCO
Dimethylpolysiloxane (kinematic viscosity at 25 ℃ C.: 3 ten thousand mm)2S): trade name "SH 200FLUID 30,000 CS", manufactured by Dow Corning Toray Co., Ltd
Dimethylpolysiloxane (kinematic viscosity at 25 ℃ C.: 6 ten thousand mm)2S): trade name "SH 200FLUID 60,000 CS", manufactured by Dow Corning Toray Co., Ltd
Dimethylpolysiloxane (kinematic viscosity at 25 ℃ C.: 10 ten thousand mm)2S): trade name "SH 200FLUID 100,000 CS", manufactured by Dow Corning Toray Co., Ltd
Dimethylpolysiloxane (kinematic viscosity at 25 ℃ C.: 1.25 ten thousand mm)2S): trade name "SH 200FLUID 12,500 CS", manufactured by Dow Corning Toray Co., Ltd
Dimethylpolysiloxane (kinematic viscosity at 25 ℃ C.: 30 ten thousand mm)2S): trade name "KF-96H-30 kilocs", manufactured by shin-Etsu chemical Co., Ltd
Dimethyl polysiloxane (25 ℃ C. transport)Kinematic viscosity: 10mm2S): trade name "SH 200FLUID 10 CS", manufactured by Dow Corning Toray Co., Ltd
(ethylhexanoic/stearic/adipic) glycerides: trade name "Nomucoat LAH", manufactured by Nissin Oilliou Co., Ltd
Stearic acid polyglycerin ester-10: the trade name "NIKKOL Decaglyn 1-SV", manufactured by Sun chemical Co., Ltd
Sorbitan stearate: trade name "NIKKOL SS-10V", manufactured by Sun chemical Co., Ltd
Stearic acid PEG-25: trade name "NIKKOL MYS-25V", manufactured by Sun chemical Co., Ltd
Trimethyl glycine: trade name "AMINOCOAT", manufactured by Asahi Kasei Chemicals K.K
Pentaerythritol tetra-2-ethylhexanoate: trade name "SALACOS 5408", manufactured by Nissin Ouliou Kabushiki Kaisha (evaluation)
Evaluation was performed by three professional judges. The results were determined by integrating the evaluations of the panelists.
The gel-like cosmetics of examples and comparative examples were applied to the inner part of the forearm, and the application part was stroked with a hand while reciprocating the gel-like cosmetics. The "thickness feeling at the time of coating" and "elasticity at the time of coating" were evaluated by sensory evaluation based on the coating touch feeling immediately after the start of coating according to the following criteria. The feeling of application was evaluated by the following evaluation criteria for "maintenance of thickness feeling" by the feeling of application to 3 passes after application.
< feeling of thickness upon application >
◎ Excellent feeling between the hand and the skin was such that the layer of the cosmetic had a sufficient thickness and was in contact with the surface of the layer of the cosmetic even after the application of the shear.
○ (good). even after applying a shear immediately after application, the layer of cosmetic was clearly felt between the hand and the skin, and the feeling was such that the skin was indirectly touched.
△ (usable) even after application and shearing, the cosmetic layer was slightly felt between the hand and the skin, and the skin was partially touched directly.
X (bad): due to the shear immediately after application, the layer of the cosmetic material was completely removed, and the skin was touched directly.
< elasticity in coating >
○ (good), the film felt elastic immediately after application when sheared.
△ (usable) slightly feels elastic when shear is applied immediately after coating.
X (bad): immediately after coating, no elasticity was felt when shear was applied.
< maintenance of thickness feeling >
◎ Excellent results in no change in thickness sensation at the time of 5 reciprocations.
○ (good), the feeling of thickness did not change at the time of 3 reciprocations.
△ (usable) the cosmetic layer was felt even though the thickness feeling was reduced at the time of 3 reciprocations.
X (bad): at the time of 3 reciprocations, no layer of the cosmetic was felt.
< tenderness >
The gel-like cosmetics of the examples and comparative examples described above all had a feeling of water supply to the skin when applied to the inner part of the forearm in the above evaluation, and were found to be tender. However, the gels of examples 12, 17, 18 and 22 and comparative examples 1, 4 to 5 were relatively hard and had a slightly poor feeling of water supply.
Figure BDA0002391325820000161
Figure BDA0002391325820000171
Figure BDA0002391325820000181
Figure BDA0002391325820000191
As is apparent from tables 1 and 2 and the above evaluation results, the gel-like cosmetics of the examples have the water-tenderness, and the above excellent results can be used in terms of the thickness feeling at the time of application, the maintenance of the thickness feeling, and the elasticity at the time of application. That is, the gel-like cosmetic materials of the examples had all of the characteristics of a soft coating touch, an elastic coating touch, and a sustained thickness touch. On the other hand, comparative example 1 is a formulation in which the mass ratio of the content of the component (B) to the content of the component (a) [ component (B)/component (a) ] exceeds the upper limit, and the feeling of thickness at the time of coating, the maintenance of the feeling of thickness, and the elasticity at the time of coating are all poor (x). Comparative example 2 is a formulation in which [ component (B)/component (a) ] is lower than the lower limit, and the feeling of thickness is not maintained (x). From this, it is understood that by controlling [ component (B)/component (a) ] to a specific range, it is possible to balance both elasticity and thickness feeling and maintain them. Comparative example 3 is a formulation in which the content of the component (B) is less than the lower limit, the gel is too soft, and the thickness feeling during coating, the maintenance of the thickness feeling, and the elasticity during coating are all poor (x). On the other hand, comparative example 4 is a formulation in which the content of the component (B) exceeds the upper limit, and the gel is too hard and the elasticity during coating is poor (x). From this, it is understood that by controlling the content of the component (B) to a specific range, it is possible to balance both the elasticity and the thickness feeling and to maintain them in a balanced manner. Comparative example 5 is a formulation using a water-soluble polymer of another type in place of component (a), and the elasticity during application was poor (x). Comparative example 6 is a formulation using only another type of water-soluble polymer without mixing the components (a) and (B), and the feeling of thickness was not maintained (x). It is understood that the component (a) contributes to the effect of providing elasticity to the gel in particular, and the component (B) contributes to the maintenance of the feeling of thickness in particular, and that by blending the components (a) and (B) in specific amounts simultaneously, synergistic effects can be exerted, and the elasticity and the feeling of thickness and the maintenance thereof can be balanced. Comparative example 7 is a formulation in which the content of the component (D) is less than the lower limit, and the feeling of thickness at the time of coating is poor (x). From this, it is found that by adding a specific amount of the component (D), the viscosity of the system can be controlled and the thickness feeling at the time of application can be improved. Comparative example 8 is a formulation lacking component (C), and the feeling of thickness upon application was poor (x). From this, it is found that the effect of improving the thickness feeling at the time of coating can be exhibited by blending a specific amount of the component (C).
Next, with respect to a part of examples, the feeling of heaviness, the feeling of penetration, and the feeling of elasticity were evaluated.
< feeling of heaviness >
The gel-like cosmetics of examples 1 to 12 and 14 to 25 were applied to the inner part of the forearm, and the application part was rubbed with a hand to blend the components. The feeling of touch of application was evaluated by the following evaluation criteria for "feeling of heaviness" through the 3 passes after application.
◎ (Excellent) feeling of sticky weight when spread on the skin and strong touch feeling with high concentration.
○ good feel was marked by a high weight and consistency when spread over the skin.
△ (usable) has a slight weight and a slightly dense touch when spread on the skin.
X (bad): there is no touch at all with high weight and consistency when spread on the skin.
Examples 1, 4, 6 to 10, 12, 15 to 17, 18, 22, 24 to 25, which are excellent in the feeling of heaviness (evaluation: ◎), examples 2 to 3, 5, 11, 14, 19 to 20, which are excellent in the feeling of heaviness (evaluation: ○), examples 21 and 23 were evaluated as usable ones (evaluation: △).
< feeling of penetration >
In examples 1,3 to 9, 11 to 17, and 19 to 25, smoothness of the gel-like cosmetic in the applied part was not felt, and the "feeling of penetration" was evaluated in terms of the change in the applied touch until the gel-like cosmetic was felt to be integrated with the skin, according to the following evaluation criteria.
◎ Excellent feeling that the gel cosmetic was fused to the skin was observed until 10 reciprocations.
○ (good), the gel cosmetic feels to be mixed with the skin when reciprocating 11 to 15 times.
△ (usable) the degree of stickiness and slipperiness of the gel cosmetic remained slightly at the time of 15 reciprocations, but was acceptable for practical use.
X (bad): the gel-like cosmetic remained sticky and slippery at the time of 15 cycles, and could not withstand practical use.
The excellent penetration was (evaluation: ◎) examples 1, 5 to 7, 14 to 15, 23, and 25, and the good penetration was (evaluation: ○) examples 4, 8 to 9, 11, 13, 16, and 19 to 21, and the usable penetration was evaluated (evaluation: △) in examples 3, 12, 17, 22, and 24.
< feeling of elasticity >
In examples 1,3 to 9, 13 to 17, and 19 to 25, it was found that the gel-like cosmetic was applied to the skin and then the feeling of touch of the applied part was evaluated as "elastic feeling" according to the following evaluation criteria.
1 (too weak): no film coating was observed.
2 (weak, but usable): the film feeling was slightly felt.
3 (good): the film had a film-coated feel, but the elastic feel was slightly weak.
4 (Excellent): the film had a film-coated feel and felt a distinct elastic feel.
5 (slightly stronger): the feeling of skin tightness was slightly felt simultaneously with the feeling of elasticity.
6 (with tightness): the feeling of skin tightness is strong, but is allowable in practical use.
7 (too strong): the feeling of skin tightness is strong and is not favorable in practical use.
The elastic feel was evaluated as 2 (weak but usable) in examples 3, 5 and 21. The examples 19, 23 and 24 having an elastic feeling evaluation of 3 (good). The elastic feel was evaluated as 4 (excellent) in examples 1, 4, 6, 13 to 17, and 25. The elastic feeling was evaluated as 5 (slightly stronger) in examples 8 and 20. An elastic feel evaluation of 6 (there was a tight feel, but practically allowable) was performed in examples 7 and 9.
As is clear from the results of the above additional evaluation, the gel-like cosmetic materials of the examples further had any one of the group consisting of a heavy feel, a penetrating feel, and an elastic feel. Further, examples 1,3 to 9, 14 to 17, and 19 to 25 were evaluated to have all of the properties of a heavy feel, a penetrating feel, and an elastic feel. The preparation having a moist feeling of use and a feeling of penetration, a heavy feeling at the time of application, and an elastic feeling after application, which are possessed by the gel, is evaluated to be preferable as, for example, an all-in-one type cosmetic (also referred to as an all-in-one cosmetic) capable of efficiently obtaining skin preparation in a short time by one dose.
Further, formulation examples of the gel-like cosmetic usable in the present invention are shown below.
Figure BDA0002391325820000221
Figure BDA0002391325820000231
Figure BDA0002391325820000232
[ Table 3]
(Table 3)
Figure BDA0002391325820000241
In addition, the amount of potassium hydroxide is adjusted to be about ph6.5 in the gel cosmetic.
Industrial applicability
The gel-like cosmetic of the present invention is preferably used for makeup removing cosmetics, massage cosmetics, beauty gels, and the like.

Claims (3)

1. An oil-in-water type gel cosmetic composition comprising the following component (A), the following component (B), the following component (C), the following component (D) and the following component (E),
the content of the component (D) is 0.1-1.0 mass%, the content of the component (B) is 0.2-1.2 mass%, and the mass ratio of the content of the component (B) to the content of the component (A), namely, the component (B)/the component (A), is 1.0-15.0,
component (A): a polymer containing at least a structural unit derived from (meth) acrylic acid and/or an alkyl (meth) acrylate and a structural unit derived from a polyoxyethylene alkyl ether (meth) acrylate;
component (B): a polymer comprising structural units derived from acryloyl dimethyltaurate;
component (C): 1 or more fatty acid monoglycerides selected from the group consisting of glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobehenate, and glyceryl dibehenate;
component (D): an aliphatic alcohol having 12 to 24 carbon atoms;
component (E): and (3) water.
2. The gel-like cosmetic according to claim 1, which further comprises the following component (F),
component (F): the kinematic viscosity at 25 ℃ is 3 to 10 ten thousand mm2Dimethyl polysiloxane per second.
3. The gel-like cosmetic according to claim 2, wherein the content of the component (F) is 0.01 to 0.2% by mass.
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