WO2020175789A1 - Composition cosmétique bloquant la lumière comprenant de l'oxyde de cérium - Google Patents

Composition cosmétique bloquant la lumière comprenant de l'oxyde de cérium Download PDF

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Publication number
WO2020175789A1
WO2020175789A1 PCT/KR2020/000171 KR2020000171W WO2020175789A1 WO 2020175789 A1 WO2020175789 A1 WO 2020175789A1 KR 2020000171 W KR2020000171 W KR 2020000171W WO 2020175789 A1 WO2020175789 A1 WO 2020175789A1
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Prior art keywords
cerium oxide
oil
water
composition
dispersion
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PCT/KR2020/000171
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English (en)
Korean (ko)
Inventor
양희진
권성호
박명삼
박천호
김성용
Original Assignee
코스맥스 주식회사
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Publication of WO2020175789A1 publication Critical patent/WO2020175789A1/fr

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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
    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

Definitions

  • Solar rays have visible rays, ultraviolet rays, infrared rays, etc., depending on their wavelength, and most of the infrared rays reaching the ground are near infrared rays.
  • Ultraviolet rays as is known, are
  • Near-infrared rays penetrate into the skin and promote aging. Near-infrared rays penetrate even deeper subcutaneous and fat layers that reach the deep dermis and cause collagen tissue destruction, active oxygen production, as well as vasodilation, leading to fundamental skin aging such as decreased elasticity. Also, blue light in the visible light area
  • UV rays It has higher skin penetration than UV rays, which can be a direct cause of photoaging.
  • cerium oxide is not evenly dispersed in the cosmetic composition, it is difficult to expect a high light blocking effect, and there has been a problem of poor formulation stability.
  • One aspect is to provide a light-blocking cosmetic composition
  • a cerium oxide dispersion comprising a cerium oxide dispersion, the composition being an underwater type, a water dispersion type, or an oil dispersion type composition.
  • the other aspect is that the dispersion of cerium oxide is mixed with water, oil or mixtures thereof.
  • One aspect is a light-blocking cosmetic composition
  • a cerium oxide dispersion the composition providing an underwater type, a water dispersion type, or an oil dispersion type composition.
  • cerium oxide is an inorganic powder
  • cerium oxide and may include 060 2 ,06 2 0 3 , etc.
  • it may be.
  • cerium oxide according to one aspect is used as a light blocking component, conventional titanium dioxide, zinc oxide, etc. It can improve problems such as dryness or whiteness, which is pointed out as a disadvantage of ultraviolet ray screening agents using inorganic powder.
  • cerium oxide dispersion refers to cerium oxide powder in an aqueous or oil phase.
  • the cerium oxide dispersion may be a dispersion of surface-modified cerium oxide in an aqueous or oil phase.
  • the cerium oxide is polyacrylic acid
  • Cerium oxide is a hydrophilic substance, for example,
  • oil dispersion type cerium oxide means hydrophobic substances such as hydrophobic substances, for example, to enable oil dispersion.
  • the cerium oxide dispersion is prepared directly or or It may be supplied from the manufacturer and used. For example, it may be a dispersion prepared so that about 30% by weight of cerium oxide is dispersed in the aqueous phase.
  • cerium oxide dispersion may be a dispersion prepared so that about 40% by weight of cerium oxide is dispersed in the oil phase.
  • cerium oxide dispersion according to one aspect is used, formulation stability is higher than when cerium oxide is applied as the powder itself, and cerium oxide can be evenly distributed in the aqueous phase or oil phase, providing excellent light blocking compared to the same content of cerium oxide.
  • hydrophobic surface treatment cerium oxide refers to a cerium oxide powder whose surface has been modified with a hydrophobic material to enable oil dispersion, and may be, for example, a surface modified with stearic acid.
  • the term “light” can refer to a region of light that includes visible, ultraviolet, or infrared rays, for example blue. There is a term
  • Light blocking can mean physically or chemically blocking light including visible rays, ultraviolet rays, and infrared rays.
  • composition may be of any one of an underwater type, a water dispersion type, and an oil dispersion type.
  • oil-in-water (0/W) refers to the term “water type emulsion.
  • oil-in-water emulsion refers to a form in which the oil phase is dispersed in the water phase as one of the emulsification methods in which water and oil are mixed.
  • Water-in-oil (W/0) is used interchangeably with “water-in-oil emulsion” and is one of the emulsification methods in which water and oil are mixed.
  • water-dispersible refers to a form in which solid particles or powders are dispersed in a liquid water phase, for example, it may be a form in which cerium oxide powder is dispersed in a water phase.
  • Oxld refers to a form in which solid particles or powders are dispersed in a liquid oil phase, for example, cerium oxide powder may be dispersed in an oil phase.
  • the cerium oxide when the composition is an underwater type, may be present in an aqueous phase and an oil phase. Specifically, when the composition is an underwater type, the cerium oxide may be present at the same time in the aqueous phase and the oil phase. If the cerium oxide is present in the water phase and the oil phase at the same time in the underwater-type composition according to one aspect, the cerium oxide is uniformly present in any phase when the product is applied, and the light blocking effect of the same content compared to the same can be exhibited.
  • the cerium oxide when the composition is water-dispersible, the cerium oxide may be present only in the aqueous phase.
  • cerium oxide is present when the product is applied. It is uniformly present in the whole composition, so it can exhibit the light blocking effect of the same content and high function.
  • the cerium oxide when the composition is oil-dispersible, the cerium oxide may be present only in the oil phase.
  • the cerium oxide when the cerium oxide is present in the oil phase, when the product is applied, cerium oxide is present in the oil phase. It is uniformly present in the whole composition, so it can exhibit the light blocking effect of the same content and high function.
  • the composition may further include an aqueous component, an oily component, a powder, or a combination thereof in addition to the cerium oxide dispersion.
  • the aqueous component may be 30 to 60% by weight based on the weight of the composition. It may be included as.
  • the oil phase component may be included in an amount of 1 to 15% by weight based on the weight of the composition.
  • the powder may not be included or may be included in an amount of 1 to 5% by weight based on the total weight of the composition.
  • the cerium oxide dispersion is a desired degree of light blocking. Depending on the amount, it may be included in different amounts and may be included in trace amounts. However, if the cerium oxide dispersion is included alone as a light blocking component without a separate light blocking component, in general, W to give some light blocking effect to the total weight of the composition. It may be included in weight percent or more.
  • aqueous ingredients are purified water, polyhydric alcohol, alcohol, water thickener, emulsification stabilizer, 2020/175789 1»(:1 ⁇ 1 ⁇ 2020/000171 May contain water-soluble emulsifiers, or other additives.
  • the above “polyhydric alcohol” is also referred to as a polyol, and refers to an alcohol having two or more hydroxyl groups.
  • the polyhydric alcohol is a polyhydric alcohol. Including those commonly used in the art, for example, the polyhydric alcohol is glycerin, mannitol, xylitol, sorbitol, glycols, such as butylene glycol, propylene glycol, diethylene glycol,
  • aqueous thickener may be gellan gum, xanthan gum, cellulose gum, starch, montmorillonite, hectoria, bentonite, silicate, kaolin, zeolite, etc.
  • emulsification stabilizer Is
  • Poly It is a composite material containing polymers such as acrylate, polyvinyl alcohol, polypropylene, etc. It has a thickening effect and may help stabilization separately from a surfactant.
  • the "water-soluble emulsifier” is a polysorbate-based, polypropylene, etc. It can be alcohol-based, glyceryl-based, stearate-based, oleate-based, etc.
  • the above “other additives” can be preservatives, flavors, metal ion inhibitors, anti-caking agents, metal salts, etc.
  • the "oil-phase component” may include a surfactant, an organic ultraviolet ray blocker, an oil thickener, or oil and other oil-soluble substances.
  • the "surfactant” is an emulsifying auxiliary or dispersing role separately from the water-soluble emulsifier. It may be, for example, acid, sorbitan, etc.
  • the above "organic ultraviolet ray blocker” is an emulsifying auxiliary or dispersing role separately from the water-soluble emulsifier. It may be, for example, acid, sorbitan, etc.
  • sunscreen thickener is wax, resin, or
  • caster wax As a thickener, caster wax, carnauba wax, jojoba wax, shea butter, etc.
  • Vegetable wax animal wax such as beeswax and lanolin; mineral waxes such as christening, paraffin, petrolatum; silicon wax or resin such as stearyl dimethicone and polysilicon; and the thickener may be acrylates, metal salts,
  • oil and other useful substances are not limited as long as they can be used in cosmetic compositions to impart moisturizing power or fluidity, for example, trimethicone, dimethicone,
  • Silicone oils such as phenyltrimethicone, cyclohexasiloxane, and cyclopentasiloxane; hydrocarbon-based oils such as flowing paraffin, squalane, mineral oil, and triglycerin; Natural oils such as olive oil, macadamia nut oil, and sunflower oil;
  • powder refers to other powders, inorganic ultraviolet ray blockers, hydrophobic surface treatment cerium
  • Oxide or cerium oxide may be included.
  • other powders include talc, mica, synthetic mica, sericite, silica, silicon powder, boron powder, nylon powder, polymethacrylate powder, urethane powder, acrylate (co )Polymer, polyethylene (co) polymer, organic pigment pigment, inorganic pigment pigment, pearl gloss pigment, etc.
  • inorganic ultraviolet ray blocker can be titanium dioxide, zinc oxide, coated with silica, stearic acid, silicon, etc. Can be
  • the cerium oxide may be contained in an amount of 2 to 50% by weight based on the total weight of the composition.
  • the content of cerium oxide is less than 2% by weight, it is difficult to expect a light-blocking effect alone without a separate light-blocking component, and if it exceeds 50% by weight, the formulation stability is lowered.
  • the composition may contain one or more cosmetically acceptable carriers in addition to the above-mentioned ingredients. Specifically, fatty substances, organic solvents, dissolving agents, thickening agents, gelling agents, emollients, antioxidants, suspensions. Agents, stabilizers, foaming agents, fragrances, surfactants, water, ionic or nonionic emulsifiers, fillers, sequestering agents and chelating agents, preservatives, vitamins, blocking agents, wetting agents, essential oils, dyes, pigments, hydrophilic or It can be prepared by containing a lipophilic activator, a lipophilic vesicle or any other ingredient commonly used in cosmetics, and an adjuvant commonly used in the cosmetic field.
  • the blending amount of the above additional ingredients does not impair the purpose and effect of the present invention.
  • a conventional engineer can easily select, and the blending amount may be about 0.001 to about 30% by weight, specifically about 0.01 to about 10% by weight based on the weight of the composition.
  • the above composition may be prepared in a cosmetic formulation conventionally manufactured in the art. Specifically, a solution, a suspension, an emulsion, a paste, a gel, a cream, a lotion, a powder, a soap, a surfactant-containing cleansing oil, a powder It can be formulated as a foundation, emulsion foundation, wax foundation, or spray.
  • the product types are lip rice, lip cream, lipstick, lip gloss, hair stick, soft lotion, nutritional lotion, milk lotion, emulsion, serum, nutrition cream, moisture cream. ,Massage cream, essence, eye cream, cleansing cream, cleansing foam, cleansing water, pack, spray, powder, liquid foundation, or solid foundation. For example, sun cream, sun stick, sun lotion, sun gel. , Sun powder, sun cushion, or sun spray.
  • cerium oxide, cerium oxide dispersion, light, light blocking, and composition are the same as described above.
  • composition is of the water-in-water type
  • mixing the aqueous component adding water-dispersed cerium dioxide to the mixed aqueous-phase component; and emulsifying by adding a mixture of an oily component and oil-dispersed cerium dioxide to the mixture.
  • aqueous component mixing the aqueous component; adding water-dispersed cerium dioxide to the mixed aqueous-phase component; and emulsifying by adding a mixture of an oily component and oil-dispersed cerium dioxide to the mixture.
  • composition is a water-dispersible type
  • mixing the aqueous component It can be produced by adding water-dispersible cerium dioxide to the mixed aqueous component.
  • composition is an oil-dispersed type
  • mixing the oil phase component adding oil-dispersed cerium dioxide to the mixed oil phase component; and mixing alcohol, alcohol, and other additives.
  • the cerium oxide dispersion may be obtained by dispersing surface-modified cerium oxide in an aqueous or oil phase. In one embodiment, the cerium oxide dispersion disperses the surface-modified cerium oxide into an aqueous or oil phase. In one embodiment, prior to the step of adding the cerium oxide dispersion to the aqueous phase, oil phase or mixture thereof, it may further include a step of dispersing the surface-modified cerium oxide into the aqueous phase or oil phase. . Alternatively, in one embodiment, before the step of adding the cerium oxide dispersion to the aqueous phase, oil phase, or mixture thereof, it may further include a step of surface-modifying cerium oxide. According to one aspect, the surface-modified cerium oxide Formulation stability can be improved through the pretreatment of oil-dispersion or water-dispersion.
  • cerium oxide can be evenly distributed on the phase, 456 even with a small cerium oxide content.
  • Another aspect provides the use of a cosmetic composition comprising a cerium oxide dispersion for the manufacture of a cosmetic for light blocking.
  • a cosmetic composition comprising a cerium oxide dispersion for the manufacture of a cosmetic for light blocking.
  • the above cerium oxide, cerium oxide dispersion, light, light blocking, composition are as described above. .
  • the light-blocking cosmetic composition according to one aspect is uniformly applied to each phase of the water or oil phase, and when applied, the cerium oxide is uniformly present in any phase, so it is highly functional compared to its content without a separate organic/inorganic UV blocking component. It has a light blocking effect. Also, it has a light feeling without stickiness as it is not a conventional water-in-oil formulation, and has the effect of improving whiteness, irritation, and dryness. 2020/175789 1»(:1 ⁇ 1 ⁇ 2020/000171 Forms for the implementation of the invention
  • oil-dispersed cerium oxide oil-dispersed cerium oxide
  • Soulbrain oil-dispersed cerium oxide
  • a water-in-oil cosmetic composition was prepared by including organic and inorganic sunscreens instead of cerium oxide. Specifically, after mixing all of the aqueous components, the inorganic sunscreen was mixed with the aqueous phase. Thereafter, oil was added to prepare a water-in-oil cosmetic composition. It was emulsified and mixed with oily components including other powders and organic sunscreen to prepare a water-in-oil cosmetic composition.
  • a cosmetic composition was prepared by applying a water-in-oil formulation instead of water-in-water, water-dispersion, and oil-dispersion cerium oxide. Specifically, after mixing all of the aqueous components, the aqueous phase was mixed. Cerium oxide is about 30% by weight
  • a water-in-oil cosmetic composition was prepared by mixing the above mixture with an oil-dispersion type cerium oxide (Soul Brain Co.), a dispersion in which 40% by weight of cerium oxide is dispersed in the oil phase.
  • an oil-dispersion type cerium oxide Soul Brain Co.
  • Comparative Example 3 Preparation of oil-in-water cosmetic composition containing organic and inorganic UV blocking agents
  • an oil-in-water cosmetic composition was prepared by including organic and inorganic sunscreens instead of cerium oxide. Specifically, after mixing all of the aqueous components, the inorganic sunscreen was mixed with the aqueous phase. Then, oil was added to prepare an oil-in-water cosmetic composition. After emulsification, an oil-in-water cosmetic composition was prepared by mixing oily components including other powders and organic UV blockers.
  • Comparative Example 4 is an oil-in-water cosmetic by including an organic UV blocker instead of cerium oxide 2020/175789 1»(:1 ⁇ 1 ⁇ 2020/000171
  • the composition was prepared. Specifically, after mixing all of the aqueous components, oil was added to emulsify, and other powders and oily components including organic UV blockers were mixed. An oil-in-water cosmetic composition was prepared.
  • an inorganic UV blocker was included instead of cerium oxide to prepare an oil-in-water cosmetic composition. Specifically, after all of the aqueous components were mixed, the inorganic sunscreen was mixed with the aqueous phase. Then, oil was added. And emulsified, and other powders and oily components were mixed to prepare an oil-in-water cosmetic composition.
  • Comparative Example 6 includes cerium oxide powder instead of dispersed cerium oxide
  • An oil-in-water cosmetic composition was prepared. Specifically, after all of the aqueous components were mixed, cerium oxide powder was mixed in the aqueous phase. After that, oil was added to emulsify, and other powders and oil components were mixed to form an oil-in-water cosmetic composition. Was prepared.
  • Comparative Example 7 is an oil-in-water formulation of water-dispersed cerium oxide instead of water dispersion.
  • water-dispersion type cerium oxide which is a dispersion in which about 30% by weight of cerium oxide is dispersed in the aqueous phase
  • oil was added to emulsify, and other powders and oily components were mixed to prepare an oil-in-water cosmetic composition.
  • Comparative Example 8 uses oil-dispersed cerium oxide as an oil-in-water formulation instead of oil dispersion.
  • Oil-in-water cosmetic composition was prepared by mixing oil-dispersed type cerium oxide (Soul Brain Co.)
  • Example 3 containing water-dispersed cerium oxide in a water-dispersion form showed higher light blocking effect compared to Comparative Example 7 containing water-dispersed cerium oxide in an oil-in-water form, and similarly oil-dispersed cerium oxide
  • Example 4 containing oil-dispersed cerium oxide in the oil-dispersed form exhibited a higher light blocking effect compared to Comparative Example 7 containing oil-dispersed cerium oxide in the oil-in-water form, and also included water-dispersed cerium oxide and oil-dispersed cerium oxide. It was confirmed that Example 1 or 2 contained in the oil-in-water form had a higher light blocking effect compared to Comparative Examples 7 or 8.
  • Examples 1 to 4 had the same or higher light blocking effect compared to Comparative Examples 1 and 3 to 5 including the existing organic-inorganic ultraviolet ray blocking agents.
  • the light blocking effect can be enhanced by applying the cerium oxide dispersion so that it is evenly included in the two phases instead of applying the cerium oxide dispersion to only one of the water or oil phases.
  • the light blocking effect is inferior because cerium oxide cannot be evenly distributed in all phases, but only one phase exists as in Examples 3 or 4
  • cerium oxide can be evenly distributed in the phase, and cerium in both the water phase and the oil phase when two phases exist (oil in water) as in Example 1 or 2 Dispersing the oxide
  • cerium oxide can be evenly distributed in all phases, thereby enhancing the light blocking effect.
  • cerium oxide when applied as a dispersion, it has the same or superior light blocking effect than the case of including the existing organic/inorganic UV blocker.
  • the UV-blocking component in Examples 1 to 4 and Comparative Examples 1 to 8 is oil-in-water, water-in-oil, water dispersion. In addition, it was observed with the naked eye to see if it was stably contained in each formulation of oil dispersion without sedimentation or aggregation.
  • Examples 1 to 4 had formulation stability equal to or higher than those of Comparative Examples 1 and 3 to 5 including the existing organic-inorganic ultraviolet ray blockers.
  • cerium oxide In the application of cerium oxide, it means that cerium oxide can be stably contained in the formulation without clumping, if cerium oxide is applied as a dispersion instead of directly applied in a powder state.
  • cerium oxide dispersion When the cerium oxide dispersion is applied, it can be seen that the inclusion of cerium oxide in both the oil phase and the aqueous phase is a way to stably contain cerium oxide without sedimentation or aggregation.
  • cerium oxide when applied as a dispersion, it has the same or better formulation stability than the case of including the existing organic/inorganic UV blocker.
  • cerium oxide is used as a sunscreen component, it is possible to improve the irritation and stickiness pointed out as a disadvantage of organic sunscreens.
  • the frustration is that it can be improved if applied to oil-in-water, water dispersion, or oil dispersion formulations.

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  • Health & Medical Sciences (AREA)
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Abstract

La présente invention concerne une composition cosmétique bloquant la lumière comprenant de l'oxyde de cérium. L'oxyde de cérium dans la composition cosmétique bloquant la lumière selon un aspect est appliqué uniformément à chaque phase d'une phase aqueuse ou d'une phase huileuse, et lorsque la composition cosmétique est appliquée, l'oxyde de cérium est présent uniformément dans n'importe quelle phase, et présente ainsi un effet de blocage de la lumière hautement fonctionnel par rapport au contenu, sans composant organique-inorganique de blocage des UV existant séparé. De plus, la composition cosmétique est une formulation autre qu'une formulation eau dans l'huile existante, a une sensation légère d'utilisation sans adhésivité, et a pour effet d'améliorer la nébulosité, l'irritation et la sécheresse.
PCT/KR2020/000171 2019-02-28 2020-01-06 Composition cosmétique bloquant la lumière comprenant de l'oxyde de cérium WO2020175789A1 (fr)

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KR1020190024384A KR102342903B1 (ko) 2019-02-28 2019-02-28 세륨옥사이드를 포함하는 광차단용 화장료 조성물
KR10-2019-0024384 2019-02-28

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CN116747154A (zh) * 2023-08-15 2023-09-15 广东药科大学 一种氧化铈基可抵御蓝光的防晒材料及其制备方法

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KR20120071389A (ko) * 2009-09-15 2012-07-02 스미토모 오사카 세멘토 가부시키가이샤 금속 산화물 입자 내포 수지 분체와 이를 포함한 분산액 및 수계 분산체 및 금속 산화물 입자 내포 수지 분체의 제조 방법 및 화장료
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116747154A (zh) * 2023-08-15 2023-09-15 广东药科大学 一种氧化铈基可抵御蓝光的防晒材料及其制备方法

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