TWI745304B - Cosmetic composition for blocking ultraviolet - Google Patents
Cosmetic composition for blocking ultraviolet Download PDFInfo
- Publication number
- TWI745304B TWI745304B TW105130689A TW105130689A TWI745304B TW I745304 B TWI745304 B TW I745304B TW 105130689 A TW105130689 A TW 105130689A TW 105130689 A TW105130689 A TW 105130689A TW I745304 B TWI745304 B TW I745304B
- Authority
- TW
- Taiwan
- Prior art keywords
- ultraviolet blocking
- cosmetic composition
- oil
- inorganic
- blocking
- Prior art date
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 71
- 239000002537 cosmetic Substances 0.000 title claims abstract description 71
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Classifications
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- 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
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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
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/29—Titanium; Compounds thereof
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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
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/27—Zinc; Compounds thereof
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61K8/342—Alcohols having more than seven atoms in an unbroken chain
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- 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
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- 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
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- 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
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
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Landscapes
- 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)
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- Dermatology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Emergency Medicine (AREA)
- Cosmetics (AREA)
Abstract
Description
本發明提供一種包括具有均勻的粒度分佈而穩定性與使用感卓越的水包油型乳液的紫外線阻斷用化妝品組成物。 The present invention provides an ultraviolet blocking cosmetic composition including an oil-in-water emulsion having a uniform particle size distribution and excellent stability and feeling of use.
眾所周知，太陽光可分為紅外線、可見光及紫外線，其中紫外線對皮膚造成不良影響。紫外線可根據波長的長度而分為紫外線A(320nm至400nm)、紫外線B(290nm至320nm)及紫外線C(200nm至290nm)。紫外線C於與臭氧層接觸時發生反射或散射，從而無法到達地表而消失，但紫外線A與紫外線B到達地表而對人體皮膚產生各種影響。已知紫外線B可滲透至皮膚的表皮而引起紅斑、雀斑及浮腫等，紫外線A滲透至皮膚的真皮而形成黑色素與皺紋、且誘發皮膚癌等導致皮膚損傷及皮膚老化。 As we all know, sunlight can be divided into infrared light, visible light and ultraviolet light, among which ultraviolet light has a bad effect on the skin. Ultraviolet rays can be divided into ultraviolet A (320nm to 400nm), ultraviolet B (290nm to 320nm) and ultraviolet C (200nm to 290nm) according to the length of the wavelength. Ultraviolet C is reflected or scattered when it comes into contact with the ozone layer, and thus cannot reach the ground surface and disappears. However, ultraviolet A and ultraviolet B reach the ground surface and have various effects on human skin. It is known that ultraviolet B can penetrate into the epidermis of the skin to cause erythema, freckles, edema, etc., and ultraviolet A penetrates into the dermis of the skin to form melanin and wrinkles, and induce skin cancer, which causes skin damage and skin aging.
最近，因業餘時間的增加及對健康的關注增加而戶外活動增加，特別是隨著對太陽光的危害的意識逐漸提高，消費者對紫外線阻斷製品的關注變得非常高。因此，具有各種紫外線阻斷指數（Sun Protection Factor：SPF）及紫外線A阻斷指數（Protection Factor in UVA：PFA）的製品面市。Recently, outdoor activities have increased due to the increase of leisure time and increased attention to health. Especially with the increasing awareness of the harmfulness of sunlight, consumers' attention to UV-blocking products has become very high. Therefore, products with various UV blocking index (Sun Protection Factor: SPF) and UV A blocking index (Protection Factor in UVA: PFA) are on the market.
紫外線阻斷製品根據所構成的相的組成而大致分為油包水型（Water in Oil，W/O）、水包油型（Oil in Water，O/W）或非水型。於油包水型的情形時，雖耐水性與持久性優異，但具有延展性下降、因外相的油相成分而產生厚重且不透氣的皮膚塗佈感的缺點。於水包油型的情形時，具有延展性優異、可直接塗佈至皮膚且獲得外相的水分所賦予的清爽使用感的優點，相反地，耐水性不足而於耐汗或耐水等效果持久性方面存在極限。於非水型的情形時，連同油包水型的特徵即耐水性良好的優點一併具有可賦予獨特的使用感的優點。UV blocking products are roughly classified into water in oil (W/O), oil in water (O/W) or non-water based on the composition of the phases they constitute. In the case of the water-in-oil type, although it is excellent in water resistance and durability, it has the disadvantages of reduced ductility and a thick and air-tight skin coating sensation due to the oil phase components of the external phase. In the case of oil-in-water type, it has the advantages of excellent ductility, can be directly applied to the skin, and a refreshing feeling of use imparted by the moisture of the external phase. On the contrary, the water resistance is insufficient and the effect of resistance to sweat or water is durable. There are limits. In the case of the non-aqueous type, together with the water-in-oil type characteristic, that is, the advantage of good water resistance, it has the advantage of imparting a unique feeling of use.
於紫外線阻斷製品中，隨著消費者對連同高數值的紫外線阻斷效果一併具有無黏稠感或不便感的使用感的紫外線阻斷製品的需求增加，活躍地進行對水包油型形態的紫外線阻斷製品的研究。Among the UV-blocking products, as consumers’ demand for UV-blocking products that have a high-value UV-blocking effect without stickiness or inconvenience is increased, the oil-in-water type is actively developed. Research on UV blocking products.
通常，現有的包括水包油型乳液的紫外線阻斷用化妝品組成物連同紫外線阻斷劑一併包括乳化劑、蠟。此時，於使用無機類作為紫外線阻斷劑的情形時，雖可提高紫外線阻斷效果，但因粒子間的相互凝聚性而必需乳化劑或分散劑。然而，於使用乳化劑的情形時，因物質的物理、化學特性而分子量較大且結構巨大，故而黏稠感會變嚴重，於用手獲取內容物而塗佈至皮膚時，因界面破壞延遲引起的堆積或厚度感表現地強烈。特別是，於使用於水包油型乳液的乳化劑的情形時，具有遇水變成清潔劑的作用，因此可成為大幅降低耐水或耐汗等化妝持久性的原因。Generally, the conventional UV blocking cosmetic composition including an oil-in-water emulsion includes an emulsifier and a wax together with a UV blocking agent. At this time, when an inorganic substance is used as the ultraviolet blocking agent, although the ultraviolet blocking effect can be improved, an emulsifier or a dispersant is necessary due to the mutual cohesion between the particles. However, in the case of using emulsifiers, due to the physical and chemical properties of the substance, the molecular weight is large and the structure is huge, so the sticky feeling will become serious. When the content is taken by hand and applied to the skin, it is caused by the delayed interface destruction The feeling of accumulation or thickness is strong. In particular, when it is used as an emulsifier for an oil-in-water emulsion, it has the effect of turning into a cleanser in contact with water, and therefore it can significantly reduce the durability of makeup such as water resistance or sweat resistance.
因此，對水包油型的紫外線阻斷用化妝品組成物進行了用以改善無機紫外線阻斷成分的分散特性的各種嘗試。Therefore, various attempts have been made to improve the dispersion characteristics of inorganic ultraviolet blocking components for oil-in-water ultraviolet blocking cosmetic compositions.
作為一例，韓國公開專利第2012-0039205號中揭示了一種於水包油型的紫外線阻斷用化妝品組成物中包括由氧化矽塗敷而成的無機紫外線阻斷劑，藉此可提高分散穩定性而提高紫外線阻斷效果。As an example, Korean Patent Publication No. 2012-0039205 discloses an oil-in-water type UV-blocking cosmetic composition including an inorganic UV-blocking agent coated with silica, which can improve dispersion stability. Improve the UV blocking effect.
並且，韓國公開專利第2013-0138746號中揭示了於紫外線阻斷劑的水包油型乳化化妝品中包括利用辛基三乙氧基矽烷或二甲基聚矽氧烷（dimethyl polysiloxane）進行疏水化處理而成的氧化鋅，從而可於油相中均勻地分散。In addition, Korean Patent Publication No. 2013-0138746 discloses that oil-in-water emulsified cosmetics with UV blocking agents include the use of octyltriethoxysilane or dimethyl polysiloxane for hydrophobization. The treated zinc oxide can be evenly dispersed in the oil phase.
這些專利是藉由利用矽類化合物對無機紫外線阻斷劑進行表面處理而於某種程度上改善組成物內的分散特性，但其效果並不充分，且包括乳化劑。因此，實情為急需開發一種改善無機紫外線阻斷成分的分散性下降的問題而乳化的均勻度及穩定度優異的紫外線阻斷用化妝品組成物。These patents improve the dispersion characteristics in the composition to a certain extent by using a silicon compound to perform surface treatment on the inorganic ultraviolet blocking agent, but the effect is not sufficient and includes an emulsifier. Therefore, there is an urgent need to develop a UV-blocking cosmetic composition that improves the dispersibility of inorganic UV-blocking components and is excellent in emulsification uniformity and stability.
[先前文獻] 韓國公開專利第2012-0039205號（2012.04.25），紫外線阻斷用水包油型固體化化妝品組成物 韓國公開專利第2013-0138746號（2013.12.19），紫外線阻斷劑的水包油型乳化化妝品。[Previous Document] Korean Patent Publication No. 2012-0039205 (2012.04.25), UV-blocking oil-in-water type solid cosmetic composition Korean Patent Publication No. 2013-0138746 (2013.12.19), UV blocking agent water Oil-in-oil emulsified cosmetics.
[發明欲解決的課題] 因此，本發明人等為了解決上述問題而多方面地進行研究，結果確認到包括平均粒徑不同的無機紫外線阻斷劑來代替乳化劑的情形時所形成的乳液的均勻度得到改善，藉此組成物可表現出優異的劑型穩定性及使用感。[Problems to be Solved by the Invention] Therefore, the inventors of the present invention have conducted various studies to solve the above-mentioned problems. As a result, it has been confirmed that the emulsion formed when inorganic ultraviolet blocking agents with different average particle diameters are used instead of emulsifiers The uniformity is improved, whereby the composition can exhibit excellent dosage form stability and feeling of use.
因此，本發明的目的在於提供一種提高乳化粒子的均勻度與穩定度而具有優異的使用性及乳化穩定性的紫外線阻斷用化妝品組成物。 [解決課題的手段]Therefore, the object of the present invention is to provide an ultraviolet blocking cosmetic composition that improves the uniformity and stability of emulsified particles and has excellent usability and emulsification stability. [Means to solve the problem]
為了達成上述目的，本發明提供一種紫外線阻斷用化妝品組成物，其特徵在於：包括於水相部中分散有油相部的水包油型乳液，且上述油相部包括：（a）平均粒徑為1 nm至50 nm的兩種以上的無機紫外線阻斷劑；及（b）平均粒徑為50 nm至200 nm的一種無機紫外線阻斷劑。In order to achieve the above object, the present invention provides a cosmetic composition for ultraviolet blocking, characterized in that it comprises an oil-in-water emulsion in which an oil phase part is dispersed in a water phase part, and the oil phase part comprises: (a) average Two or more inorganic ultraviolet blocking agents with a particle diameter of 1 nm to 50 nm; and (b) one inorganic ultraviolet blocking agent with an average particle diameter of 50 nm to 200 nm.
其中，上述無機紫外線阻斷劑為被覆包括選自由氧化鈦、氧化鋅及氧化鐵所構成的族群中的一種以上的無機紫外線阻斷劑的表面而成的被覆粉體。Wherein, the above-mentioned inorganic ultraviolet blocking agent is a coated powder obtained by coating the surface of at least one inorganic ultraviolet blocking agent selected from the group consisting of titanium oxide, zinc oxide, and iron oxide.
其中，上述表面被覆是以選自由氧化鋁、氫氧化鋁、六偏磷酸鈉、偏磷酸鈉，硬脂酸鋁、硬脂酸、聚羥基硬脂酸、月桂酸、二甲基聚矽氧烷、二甲聚矽氧烷、三乙氧基辛醯基矽烷及甲基聚矽氧烷所構成的族群中的一種以上被覆處理。Wherein, the above-mentioned surface coating is selected from alumina, aluminum hydroxide, sodium hexametaphosphate, sodium metaphosphate, aluminum stearate, stearic acid, polyhydroxystearic acid, lauric acid, dimethylpolysiloxane , Dimethylpolysiloxane, triethoxy octyl silane and methyl polysiloxane group consisting of more than one coating treatment.
其中，上述無機紫外線阻斷劑包括選自由以氧化鋁、硬脂酸鋁及聚羥基硬脂酸被覆處理而成的氧化鈦；以硬脂酸及氧化鋁被覆處理而成的氧化鈦；以氫氧化鋁及氧化鋁被覆處理而成的氧化鈦；及以氧化鋁及三乙氧基辛醯基矽烷被覆處理而成的氧化鈦所構成的族群中的一種以上。Among them, the above-mentioned inorganic ultraviolet blocking agent includes titanium oxide coated with aluminum oxide, aluminum stearate, and polyhydroxystearic acid; titanium oxide coated with stearic acid and aluminum oxide; Aluminum oxide and titanium oxide coated with aluminum oxide; and titanium oxide coated with aluminum oxide and triethoxy octyl silane.
其中，上述（a）的無機紫外線阻斷劑包括被覆粉體分散液及被覆粉體。Among them, the above-mentioned (a) inorganic ultraviolet blocking agent includes a coated powder dispersion and a coated powder.
其中，上述被覆粉體分散液是被覆粉體分散於選自由烴類油、酯類油、矽類油、動物性油及植物性油所構成的族群中的一種以上的油中而成者。Among them, the above-mentioned coated powder dispersion is obtained by dispersing the coated powder in one or more oils selected from the group consisting of hydrocarbon oils, ester oils, silicone oils, animal oils, and vegetable oils.
其中，以固體成分含量計，以1：1重量比至9：1重量比包括上述被覆粉體分散液與被覆粉體。Wherein, the coating powder dispersion liquid and the coating powder are included in a weight ratio of 1:1 to 9:1 based on the solid content.
其中，分別以5：1重量比至10：1重量比混合上述（a）與（b）的無機紫外線阻斷劑。Among them, the above-mentioned inorganic ultraviolet blocking agents (a) and (b) are mixed in a weight ratio of 5:1 to 10:1, respectively.
上述紫外線阻斷用化妝品組成物以整體滿足100重量%的方式包括水相部及油相部，上述水相部包括0.1重量%至20重量%的保濕劑及作為剩餘部的水，上述油相部包括1重量%至25重量%的無機紫外線阻斷劑及5重量%至50重量%的油。The ultraviolet blocking cosmetic composition includes a water phase part and an oil phase part so as to satisfy 100% by weight as a whole. The water phase part includes 0.1% to 20% by weight of a humectant and water as the remainder. The oil phase The part includes 1% to 25% by weight of inorganic ultraviolet blocking agent and 5% to 50% by weight of oil.
其中，上述紫外線阻斷用化妝品組成物為無乳化劑（Emulsifier-free）。 [發明之效果]Among them, the above-mentioned ultraviolet blocking cosmetic composition is Emulsifier-free (Emulsifier-free). [Effects of Invention]
本發明的紫外線阻斷用化妝品組成物利用平均粒徑不同的無機紫外線阻斷劑而即便無乳化劑亦形成具有均勻的粒度分佈的水包油型乳液，藉此可提高使用性、穩定性及紫外線阻斷效果。The ultraviolet blocking cosmetic composition of the present invention uses inorganic ultraviolet blocking agents with different average particle diameters to form an oil-in-water emulsion with uniform particle size distribution even without emulsifiers, thereby improving usability, stability and UV blocking effect.
以下，更詳細地對本發明進行說明。Hereinafter, the present invention will be described in more detail.
本發明提供一種包括具有均勻的粒度分佈而穩定性與使用感卓越的水包油型乳液的紫外線阻斷用化妝品組成物。The present invention provides an ultraviolet blocking cosmetic composition including an oil-in-water emulsion having a uniform particle size distribution and excellent stability and feeling of use.
通常，市售的紫外線阻斷製品是調配上述無機紫外線阻斷劑或有機紫外線阻斷劑而使用，作為製品形態，開發為面霜、潤膚乳、噴霧劑型。最近，紫外線阻斷劑連同優異的紫外線阻斷效果一併要求卓越的使用感，故而包括水包油型乳液的紫外線阻斷用化妝品組成物備受關注。Generally, commercially available UV-blocking products are used by blending the above-mentioned inorganic UV-blocking agents or organic UV-blocking agents, and as product forms, they have been developed as face creams, moisturizers, and spray types. Recently, UV-blocking agents are required to have excellent feeling in use together with excellent UV-blocking effects. Therefore, UV-blocking cosmetic compositions including oil-in-water emulsions are attracting attention.
於包括無機紫外線阻斷劑的水包油型的紫外線阻斷用化妝品組成物中，因構成無機紫外線阻斷劑的金屬氧化物所具有的強烈的凝聚特性與金屬離子的溶出而破壞乳化液滴，乳化穩定性下降，因此難以保持化妝品的保管穩定性。此時，為了提高無機紫外線阻斷劑的分散性，使用各種乳化劑、表面活性劑等而穩定性方面得到改善，相反地，黏稠感、持久性等使用感下降而存在無法表現出水包油型紫外線阻斷劑型的優點的問題。In an oil-in-water UV blocking cosmetic composition including an inorganic UV blocking agent, the emulsified droplets are destroyed due to the strong aggregation characteristics of the metal oxide constituting the inorganic UV blocking agent and the elution of metal ions , The emulsification stability is reduced, so it is difficult to maintain the storage stability of the cosmetics. At this time, in order to improve the dispersibility of the inorganic UV blocker, various emulsifiers, surfactants, etc. are used to improve the stability. On the contrary, the feeling of use such as stickiness and durability is reduced, and there is no oil-in-water type. The question of the advantages of UV blocking formulations.
因此，藉由奈米尺寸的微細的固體粒子而使乳液穩定化的皮克林（Pickering）乳化應用於包括水包油型乳液的化妝品組成物。具體而言，活用經表面處理的無機紫外線阻斷劑形成水包油型乳液。此時，由於不使用乳化劑，故而對皮膚而言安全，且界面膜並不強，從而因迅速的乳化破壞而於塗佈至皮膚時可獲得如水珠破裂的獨特的使用感。然而，於該情形時，利用固體狀態的無機紫外線阻斷劑來代替乳化劑，因此存在乳化粒子的均勻度變差而難以實現穩定化的問題。Therefore, Pickering emulsification, which stabilizes the emulsion by nanometer-sized fine solid particles, is applied to cosmetic compositions including oil-in-water emulsions. Specifically, a surface-treated inorganic ultraviolet blocking agent is utilized to form an oil-in-water emulsion. At this time, since no emulsifier is used, it is safe for the skin, and the interface film is not strong, so that when applied to the skin, a unique feeling of use such as water droplets can be obtained due to the rapid emulsification destruction. However, in this case, an inorganic ultraviolet blocking agent in a solid state is used instead of the emulsifier, so there is a problem that the uniformity of the emulsified particles deteriorates and it is difficult to achieve stabilization.
因此，本發明揭示一種藉由一併包括平均粒徑不同的無機紫外線阻斷劑而改善乳化粒子的均勻度與穩定度，從而可表現出優異的穩定性及使用性的水包油型乳液及包括其的紫外線阻斷用化妝品組成物。Therefore, the present invention discloses an oil-in-water emulsion that improves the uniformity and stability of emulsified particles by including inorganic ultraviolet blocking agents with different average particle diameters, thereby exhibiting excellent stability and usability, and an oil-in-water emulsion and A cosmetic composition for UV blocking including the same.
具體而言，本發明的紫外線阻斷用化妝品組成物包括於水相部中分散有油相部的水包油型乳液，且上述油相部包括：（a）平均粒徑為1 nm至50 nm的兩種以上的無機紫外線阻斷劑；及（b）平均粒徑為50 nm至200 nm的一種無機紫外線阻斷劑。Specifically, the ultraviolet blocking cosmetic composition of the present invention includes an oil-in-water emulsion in which an oil phase part is dispersed in a water phase part, and the oil phase part includes: (a) an average particle diameter of 1 nm to 50 Two or more inorganic ultraviolet blocking agents of nm; and (b) one inorganic ultraviolet blocking agent with an average particle diameter of 50 nm to 200 nm.
本發明的紫外線阻斷用化妝品組成物的油相部為了連同優異的紫外線阻斷效果一併提供營養感且保持保濕能力而含有無機紫外線阻斷劑及油，此時無機紫外線阻斷劑包括平均粒徑不同的無機物粒子。The oil phase part of the cosmetic composition for ultraviolet blocking of the present invention contains an inorganic ultraviolet blocking agent and oil in order to provide nutrition together with an excellent ultraviolet blocking effect and maintain moisturizing ability. In this case, the inorganic ultraviolet blocking agent includes an average Inorganic particles with different particle sizes.
上述無機紫外線阻斷劑發揮如下作用：藉由物理散射作用而防止紫外線滲透至皮膚內，降低水相部與油相部之間的界面張力而使乳液穩定化。作為上述無機紫外線阻斷劑，可包括選自由氧化鈦、氧化鋅及氧化鐵所構成的族群中的一種以上。上述無機紫外線阻斷劑較佳為可使用由韓國食品藥品安全廳認定為無機紫外線阻斷成分的氧化鈦、氧化鋅或其等的混合物。The above-mentioned inorganic ultraviolet blocking agent plays the role of preventing ultraviolet rays from penetrating into the skin by a physical scattering effect, reducing the interfacial tension between the water phase part and the oil phase part, and stabilizing the emulsion. The inorganic ultraviolet blocking agent may include one or more selected from the group consisting of titanium oxide, zinc oxide, and iron oxide. The above-mentioned inorganic ultraviolet blocking agent is preferably titanium oxide, zinc oxide, or a mixture thereof recognized as an inorganic ultraviolet blocking component by the Korea Food and Drug Safety Agency.
本發明的無機紫外線阻斷劑可使用被覆表面而成的被覆粉體。上述表面被覆能夠以選自由氧化鋁、氫氧化鋁、六偏磷酸鈉、偏磷酸鈉，硬脂酸鋁、硬脂酸、聚羥基硬脂酸、月桂酸、二甲基聚矽氧烷、二甲聚矽氧烷、三乙氧基辛醯基矽烷及甲基聚矽氧烷所構成的族群中的一種以上被覆處理。As the inorganic ultraviolet blocking agent of the present invention, a coated powder obtained by coating a surface can be used. The above-mentioned surface coating can be selected from alumina, aluminum hydroxide, sodium hexametaphosphate, sodium metaphosphate, aluminum stearate, stearic acid, polyhydroxystearic acid, lauric acid, dimethylpolysiloxane, two One or more coating treatments in the group consisting of methylpolysiloxane, triethoxyoctylsilane, and methylpolysiloxane.
上述無機紫外線阻斷劑較佳為以如上所述的物質進行表面處理而成的被覆粉體，例如可包括選自由以氧化鋁、硬脂酸鋁及聚羥基硬脂酸被覆處理而成的氧化鈦；以硬脂酸及氧化鋁被覆處理而成的氧化鈦；以氫氧化鋁及氧化鋁被覆處理而成的氧化鈦；及以氧化鋁及三乙氧基辛醯基矽烷被覆處理而成的氧化鈦所構成的族群中的一種以上。以此方式被覆處理而成的無機紫外線阻斷劑可直接合成或使用市售的製品。作為目前市售的製品，可列舉Solaveil CT-10 W、Solaveil CT 100、Solaveil CT 200、Solaveil XTP 1（Uniqema公司製品）、UV-Titan M 160、UV-Titan X 195、UVT 14/4、UV-Titan M 262、UV-Titan M 765（Kemira公司製品）、Microtitanium Dioxide MT 500 SA、MT 100 SA、MT 100 TV、MT 100 TX、MT 100 Z、MT 01、MT 100 AQ、MT 100 S、MT 700 Z、MT 014 Z、MT 100 F、MT 600 SAS、MT 500 SAS、MT 100 SAS（TAYCA公司製品）等。The above-mentioned inorganic ultraviolet blocking agent is preferably a coated powder obtained by surface treatment with the above-mentioned substance. Titanium; Titanium oxide coated with stearic acid and aluminum oxide; Titanium oxide coated with aluminum hydroxide and aluminum oxide; Titanium oxide coated with aluminum oxide and triethoxyoctylsilane More than one kind of ethnic group. The inorganic ultraviolet blocking agent coated in this way can be directly synthesized or a commercially available product can be used. As currently commercially available products, Solaveil CT-10 W, Solaveil CT 100, Solaveil CT 200, Solaveil XTP 1 (product of Uniqema), UV-Titan M 160, UV-Titan X 195, UVT 14/4, UV -Titan M 262, UV-Titan M 765 (product of Kemira), Microtitanium Dioxide MT 500 SA, MT 100 SA, MT 100 TV, MT 100 TX, MT 100 Z, MT 01, MT 100 AQ, MT 100 S, MT 700 Z, MT 014 Z, MT 100 F, MT 600 SAS, MT 500 SAS, MT 100 SAS (products of TAYCA), etc.
如上所述，本發明的無機紫外線阻斷劑包括：（a）平均粒徑為1 nm至50 nm的兩種以上的無機紫外線阻斷劑；及（b）平均粒徑為50 nm至200 nm的一種無機紫外線阻斷劑。於相關技術中，使用平均粒徑均勻的一種無機紫外線粒子，進行疏水化處理或使平均粒徑不同而實現穩定化，但未能獲得充分的效果，乳液的均勻度與穩定度較低。與此相比，本發明混合平均粒徑不同的無機紫外線阻斷劑而形成水包油型乳液，因此製備固定的粒子尺寸的乳液而既可保持可於進行皮克林乳化時獲得的如水珠破裂的獨特的使用感，又可表現出經改善的乳液穩定度、劑型穩定性及紫外線阻斷特性。As described above, the inorganic ultraviolet blocking agent of the present invention includes: (a) two or more inorganic ultraviolet blocking agents having an average particle diameter of 1 nm to 50 nm; and (b) an average particle diameter of 50 nm to 200 nm An inorganic UV blocker. In the related art, an inorganic ultraviolet particle with a uniform average particle size is used to perform hydrophobization treatment or different average particle sizes to achieve stabilization, but sufficient effects are not obtained, and the uniformity and stability of the emulsion is low. In contrast, the present invention mixes inorganic UV blocking agents with different average particle diameters to form an oil-in-water emulsion. Therefore, an emulsion with a fixed particle size can be prepared while maintaining the water droplets that can be obtained during Pickering emulsification. The unique feeling of use of rupture can also show improved emulsion stability, formulation stability and UV blocking properties.
上述（a）的無機紫外線阻斷劑的平均粒徑可為1 nm至50 nm，較佳為5 nm至30 nm，更佳為10 nm至20 nm。The average particle diameter of the inorganic ultraviolet blocking agent in (a) above may be 1 nm to 50 nm, preferably 5 nm to 30 nm, and more preferably 10 nm to 20 nm.
上述（b）的無機紫外線阻斷劑的平均粒徑可為50 nm至200 nm，較佳為55 nm至150 nm，更佳為60 nm至100 nm。The average particle size of the inorganic ultraviolet blocking agent in (b) above may be 50 nm to 200 nm, preferably 55 nm to 150 nm, and more preferably 60 nm to 100 nm.
此時，可分別以5：1重量比至10：1重量比混合上述（a）與（b）的無機紫外線阻斷劑，較佳為以6：1至8：1的重量比混合。於上述重量比超過上述範圍的情形時，會產生因乳液均勻度的改善效果不充分而乳化穩定性下降的問題。At this time, the above-mentioned inorganic ultraviolet blocking agents (a) and (b) may be mixed at a weight ratio of 5:1 to 10:1, preferably at a weight ratio of 6:1 to 8:1. When the above-mentioned weight ratio exceeds the above-mentioned range, there is a problem that the emulsification stability is reduced due to the insufficient effect of improving the uniformity of the emulsion.
於本發明中，上述（a）的無機紫外線阻斷劑包括被覆粉體分散液與被覆粉體。In the present invention, the above-mentioned (a) inorganic ultraviolet blocking agent includes a coating powder dispersion and a coating powder.
上述被覆粉體分散液包括如上所述的被覆粉體分散於選自由烴類油、酯類油、矽類油、動物性油及植物性油所構成的族群中的一種以上的油中而成者。此時，被覆粉體能夠以整個被覆粉體分散液100重量%為基準而包括20重量%至60重量%。上述被覆粉體分散液可直接製備或購買市售者而使用，並無特別限制。The above-mentioned coated powder dispersion includes the above-mentioned coated powder dispersed in one or more oils selected from the group consisting of hydrocarbon oils, ester oils, silicon oils, animal oils, and vegetable oils. By. At this time, the coated powder can include 20% by weight to 60% by weight based on 100% by weight of the entire coated powder dispersion liquid. The above-mentioned coated powder dispersion can be directly prepared or purchased from a commercial one and used, and is not particularly limited.
上述被覆粉體如上所述。The above-mentioned coated powder is as described above.
上述（a）的無機紫外線阻斷劑能夠以固體成分含量計，以1：1重量比至9：1重量比包括上述被覆粉體分散液與被覆粉體，較佳為以2：1重量比至5：1重量比包括。於上述重量比超過上述範圍的情形時，難以形成均勻的乳化粒子，因此會對穩定性、使用感等產生副作用。The above-mentioned (a) inorganic ultraviolet blocking agent can include the above-mentioned coated powder dispersion and the coated powder in a weight ratio of 1:1 to 9:1 based on the solid content, preferably in a weight ratio of 2:1 To 5:1 weight ratio included. When the above-mentioned weight ratio exceeds the above-mentioned range, it is difficult to form uniform emulsified particles, which may cause side effects such as stability and feeling in use.
包括上述內容的本發明的無機紫外線阻斷劑能夠以整個紫外線阻斷用化妝品組成物100重量%為基準而包括1重量%至25重量%，較佳為可包括5重量%至15重量%。於上述無機紫外線阻斷劑的含量小於上述範圍的情形時，紫外線阻斷效果微弱，相反地，於超過上述範圍的情形時，紫外線阻斷化妝品的調配限度會受限，減少化妝品組成物的基本組成物質等的含量，從而劑型穩定性、使用感變差而製品性下降。The inorganic ultraviolet blocking agent of the present invention including the above content can include 1% to 25% by weight, preferably 5% to 15% by weight based on 100% by weight of the entire cosmetic composition for ultraviolet blocking. When the content of the inorganic ultraviolet blocking agent is less than the above range, the ultraviolet blocking effect is weak. On the contrary, when the content exceeds the above range, the formulation limit of the ultraviolet blocking cosmetics will be limited, reducing the basic cosmetic composition. The content of the constituent substances and the like deteriorates the stability of the dosage form and the feeling of use, and the product properties decrease.
上述油用以使之前所說明的無機紫外線阻斷劑分散而形成界面膜，可使用於本技術領域中通常使用的油。The above-mentioned oil is used to disperse the inorganic ultraviolet blocking agent described above to form an interface film, and can be used for oils generally used in this technical field.
上述油可為液體狀態的烴類油、酯類油、矽類油及動植物性油等各種油。例如，可使用選自由聚癸烯(Polydecene)、氫化聚癸烯(Hydrogenated polydecene)、聚丁烯(Polybutene)、氫化聚異丁烯(Hydrogenated polyisobutene)、碳酸二辛酯(Dicaprylyl carbonate)、二異硬脂醇蘋果酸酯(Diisostearylmalate)、丁二醇二辛酸酯/二癸酸酯(Butylene glycol dicaprylate/dicaprate)、2-乙基己酸鯨蠟酯(Cetyl 2-ethyl hexanoate)、C12-15烷基苯甲酸酯(C12-15 Alkyl benzoate)、三異辛酸甘油脂(Triethylhexanoin)、辛酸/癸酸三甘油酯(Caprylic/Capric triglyceride)、二異硬脂醇蘋果酸酯(Diisostearyl malate)、二鯨蠟硬脂醇二聚亞油酸酯(Dicetearyl dimer dilinoleate)、月桂酸己酯(Hexyl laurate)、季戊四醇四乙基己酸酯(Pentaerythrityl tetraethylhexanoate)、季戊四醇四異硬脂酸酯(Pentaerythrityl tetraisostearate)、硬脂醯基硬脂酸辛基十二烷酯(Octyldodecyl stearoyl stearate)、環戊矽氧烷(Cyclopentasiloxane)、環己矽氧烷(Cyclohexasiloxane)、二甲聚矽氧烷(Dimethicone)、環甲聚矽氧烷(Cyclomethicone)、苯基三甲聚矽氧烷(Phenyl trimethicone)、角鯊烷(Squalane)、瓊崖海棠油(Tamanu oil)、夏威夷堅果油(Macadamia nut oil)、葵花籽油(Sunflower seed oil)、橄欖油(Olive oil)、月見草油(Evening primrose oil)、摩洛哥堅果油(Argan oil)、杏仁油(Apricot oil)、芝麻油(Sesame oil)、橙油(Orange oil)、玫瑰木油(Rosewood oil)、香檸檬油(Bergamot oil)、山茶油(Camellia oil)、茶樹油（Tea tree oil）及荷荷巴油（Jojoba oil）所構成的族群中的一種以上。The above-mentioned oils may be various oils such as hydrocarbon oils, ester oils, silicone oils, and animal and vegetable oils in a liquid state. For example, it can be selected from polydecene (Polydecene), hydrogenated polydecene (Hydrogenated polydecene), polybutene (Polybutene), hydrogenated polyisobutene (Hydrogenated polyisobutene), dioctyl carbonate (Dicaprylyl carbonate), diisostearyl Diisostearylmalate, Butylene glycol dicaprylate/dicaprate, Cetyl 2-ethyl hexanoate, C12-15 alkyl C12-15 Alkyl benzoate, Triethylhexanoin, Caprylic/Capric triglyceride, Diisostearyl malate, Diisostearyl malate Dicetearyl dimer dilinoleate, Hexyl laurate, Pentaerythrityl tetraethylhexanoate, Pentaerythrityl tetraisostearate, Hard Octyldodecyl stearoyl stearate (Octyldodecyl stearoyl stearate), cyclopentasiloxane (Cyclopentasiloxane), cyclohexasiloxane (Cyclohexasiloxane), dimethicone (Dimethicone), cyclomethicone Cyclomethicone, Phenyl trimethicone, Squalane, Tamanu oil, Macadamia nut oil, Sunflower seed oil , Olive oil, Evening primrose oil, Argan oil, Apricot oil, Sesame oil, Orange oil, Rosewood oil ), Bergamot oil, Camellia oil, Tea tree oil and Jojoba oil More than one kind.
上述油較佳為可使用選自由碳酸二辛酯（Dicaprylyl carbonate）、2-乙基己酸鯨蠟酯（Cetyl 2-ethyl hexanoate）、辛酸/癸酸三甘油酯（Caprylic/Capric triglyceride）、C12-15烷基苯甲酸酯（C12-15 Alkyl benzoate）、環戊矽氧烷（Cyclopentasiloxane）、環己矽氧烷（Cyclohexasiloxane）、二甲聚矽氧烷（Dimethicone）、苯基三甲聚矽氧烷（Phenyl trimethicone）、角鯊烷（Squalane）及摩洛哥堅果油（Argan oil）所構成的族群中的一種以上。上述油更佳為可使用與上述（a）的無機紫外線阻斷劑所包括的被覆粉體分散液的分散溶劑相同者或可混合（miscible）者。The above oil is preferably selected from the group consisting of Dicaprylyl carbonate, Cetyl 2-ethyl hexanoate, Caprylic/Capric triglyceride, C12 -15 Alkyl benzoate (C12-15 Alkyl benzoate), Cyclopentasiloxane, Cyclohexasiloxane, Dimethicone, Phenyltrimethicone More than one of the ethnic group consisting of Phenyl trimethicone, Squalane and Argan oil. It is more preferable that the above-mentioned oil is the same or miscible as the dispersion solvent of the coating powder dispersion liquid included in the above-mentioned (a) inorganic ultraviolet blocking agent.
上述油能夠以整個紫外線阻斷用化妝品組成物100重量%為基準而包括5重量%至50重量%，較佳為可包括7重量%至40重量%。於上述油的含量小於上述範圍的情形時，難以充分溶解油溶性成分，相反地，於超過上述範圍的情形時，產生使用感變差的問題。The above-mentioned oil may include 5 wt% to 50 wt% based on 100 wt% of the entire ultraviolet blocking cosmetic composition, and preferably may include 7 wt% to 40 wt%. When the content of the above oil is less than the above range, it is difficult to sufficiently dissolve the oil-soluble components. On the contrary, when the content exceeds the above range, there is a problem that the feeling in use deteriorates.
本發明的油相部除上述組成以外，可更包括各種成分，作為一例，可任意使用有機紫外線阻斷劑、粉體等。In addition to the above-mentioned composition, the oil phase part of the present invention may further include various components. As an example, an organic ultraviolet blocking agent, powder, etc. may be arbitrarily used.
上述有機紫外線阻斷劑只要為於化妝品領域中通常使用的有機紫外線阻斷劑，則無特別限制。上述有機紫外線阻斷劑可列舉甲氧基肉桂酸乙基己酯、對甲氧基肉桂酸異戊酯、二異丙基肉桂酸甲酯、二異丙基肉桂酸乙酯、2-二甲氧亞苄基二氧代咪唑烷基丙酸乙基己酯、丁基甲氧基二苯甲醯基甲烷、水楊酸乙基己酯、氰雙苯丙烯酸辛酯、水楊酸三甲環己酯、雙-乙基己氧苯酚甲氧苯基三嗪、乙基己基三嗪酮、苯基苯并咪唑磺酸、二乙胺基羥苯甲醯基苯甲酸己酯等。The above-mentioned organic ultraviolet blocking agent is not particularly limited as long as it is an organic ultraviolet blocking agent generally used in the cosmetics field. The above-mentioned organic ultraviolet blocking agents include ethylhexyl methoxycinnamate, isoamyl p-methoxycinnamate, methyl diisopropyl cinnamate, ethyl diisopropyl cinnamate, 2-dimethyl cinnamate Oxybenzylidene dioximidazolidinyl ethylhexyl propionate, butylmethoxydibenzamethane, ethylhexyl salicylate, octyl cyanobisphenyl acrylate, trimethylcyclohexyl salicylate, Bis-ethylhexyloxyphenol methoxyphenyl triazine, ethylhexyl triazone, phenyl benzimidazole sulfonic acid, diethylamino hydroxybenzyl hexyl benzoate and the like.
上述粉體可使用本技術領域中通常使用的粉體，例如可包括選自由黏土礦物粉體、無機物粉體及有機粉體等所構成的族群中的任一種以上，但並不限定於此，上述黏土礦物粉體包括氧化鋁、氧化矽、滑石、雲母、高嶺土、矽酸鋇、沸石、白雲母、合成雲母及碳酸鎂等，上述無機物粉體包括硫酸鋇、鈦酸鐵及氧化鈦被覆雲母等，上述有機粉體包括聚苯乙烯粉末、聚甲基丙烯酸甲酯粉末、聚乙烯粉末、尼龍粉末及矽粉末等。The above-mentioned powders can use powders commonly used in this technical field. For example, they can include any one or more selected from the group consisting of clay mineral powders, inorganic powders, and organic powders, but is not limited to this. The above-mentioned clay mineral powder includes alumina, silica, talc, mica, kaolin, barium silicate, zeolite, muscovite, synthetic mica and magnesium carbonate, etc. The above-mentioned inorganic powder includes barium sulfate, iron titanate and titanium oxide coated mica The above-mentioned organic powders include polystyrene powder, polymethyl methacrylate powder, polyethylene powder, nylon powder, and silicon powder.
本發明的紫外線阻斷用化妝品組成物的水相部提供水潤感與清爽的使用感，作為外相（external phase）而上述油相部非連續地分散。上述水相部包括保濕劑及水。The water phase part of the cosmetic composition for ultraviolet blocking of the present invention provides a moisturizing feeling and a refreshing feeling of use, and the oil phase part is discontinuously dispersed as an external phase. The water phase part includes a humectant and water.
上述保濕劑連同賦予水潤感一併發揮提高乳化穩定性的作用。The moisturizing agent mentioned above, together with imparting a moisturizing feeling, has the effect of improving the emulsion stability.
作為上述保濕劑，可包括丙二醇、1,3-丁二醇、二丙二醇、山梨糖醇、聚甘油、聚乙二醇、1,2-戊二醇、異戊二醇、赤藻糖醇、木糖醇、麥芽糖醇、甘油、胺基酸、硫酸鈉、吡咯啶酮羧酸鈉、木葡聚糖、角叉菜膠、果膠、甘露聚糖、卡德蘭多糖、聚半乳糖、硫酸皮膚素、肝糖、硫酸角質素、軟骨素、黏液素硫酸、硫酸角質、刺槐豆膠、琥珀葡聚糖、凱洛寧酸（Calonym acid）、玻尿酸、硫酸乙醯肝素、玻尿酸鈉、膠原蛋白、軟骨硫酸素等。As the above humectant, propylene glycol, 1,3-butanediol, dipropylene glycol, sorbitol, polyglycerol, polyethylene glycol, 1,2-pentanediol, isoprene glycol, erythritol, Xylitol, maltitol, glycerin, amino acid, sodium sulfate, sodium pyrrolidone carboxylate, xyloglucan, carrageenan, pectin, mannan, calderan, polygalactose, sulfuric acid Dermatin, glycogen, keratan sulfate, chondroitin, mucin sulfate, keratan sulfate, locust bean gum, succinate, Calonym acid, hyaluronic acid, acetylheparin sulfate, sodium hyaluronate, collagen , Chondrosulfate, etc.
上述保濕劑能夠以整個紫外線阻斷用化妝品組成物100重量%為基準而包括0.1重量%至20重量%，較佳為可包括1重量%至15重量%。於上述保濕劑的含量小於上述範圍的情形時，保濕功能下降，相反地，於超過上述範圍的情形時，會產生黏稠感，對組成物的黏度及性狀產生影響。The moisturizer can include 0.1% by weight to 20% by weight based on 100% by weight of the entire ultraviolet blocking cosmetic composition, and preferably can include 1% by weight to 15% by weight. When the content of the moisturizer is less than the above range, the moisturizing function is reduced. On the contrary, when the content exceeds the above range, a sticky feeling is generated, which affects the viscosity and properties of the composition.
上述水可包括蒸餾水或精製水，能夠以整個紫外線阻斷用化妝品組成物100重量%為基準而作為剩餘部來使用。The water may include distilled water or purified water, and can be used as the remainder based on 100% by weight of the entire ultraviolet blocking cosmetic composition.
上述水相部除上述組成以外，可更包括增黏劑等。In addition to the above-mentioned composition, the water phase part may further include a thickening agent and the like.
上述增黏劑用以於形成劑型時賦予適當的黏度而提高使用感，使用本技術領域中通常使用的增黏劑，種類並無特別限定。例如，可包括卡波姆、明膠、結冷膠、瓜爾膠、三仙膠、刺槐豆膠、褐藻酸、阿拉伯膠、角叉菜膠、瓊脂、果膠、樹脂、纖維素、羧甲基纖維素鈉、羥甲基纖維素、羥丙基甲基纖維素、甲基乙基纖維素等。The above-mentioned tackifier is used to impart appropriate viscosity when forming a dosage form to improve the feeling of use. The tackifier generally used in this technical field is used, and the type is not particularly limited. For example, it may include carbomer, gelatin, gellan gum, guar gum, sanxian gum, locust bean gum, alginic acid, gum arabic, carrageenan, agar, pectin, resin, cellulose, carboxymethyl Sodium cellulose, hydroxymethyl cellulose, hydroxypropyl methyl cellulose, methyl ethyl cellulose, etc.
本發明的紫外線阻斷用化妝品組成物除上述成分以外，可於不會降低組成物的效果的範圍內包括通常利用的成分。例如，可更包括香料、色素、防腐劑、殺菌劑、氧化穩定劑、珠光劑、水溶性/油溶性生理活性成分、pH值調節劑等添加劑。In addition to the above-mentioned components, the ultraviolet-ray blocking cosmetic composition of the present invention may include commonly used components within a range that does not reduce the effect of the composition. For example, it may further include additives such as fragrances, pigments, preservatives, bactericides, oxidation stabilizers, pearlescent agents, water-soluble/oil-soluble physiologically active ingredients, and pH regulators.
本發明的紫外線阻斷用化妝品組成物可製備成選自由懸浮液、乳濁液、糊劑、凝膠、面霜、潤膚乳、軟膏、粉、粉底及噴霧所構成的族群中的劑型，並不限定於此。更詳細而言，可劑型化成柔軟化妝水、營養化妝水、潤膚乳、精華、面霜、凝膠等皮膚護理製品、妝前底霜、粉底、粉、睫毛膏、口紅等彩妝製品等。The ultraviolet blocking cosmetic composition of the present invention can be prepared into a dosage form selected from the group consisting of suspensions, emulsions, pastes, gels, creams, moisturizers, ointments, powders, foundations and sprays, and Not limited to this. In more detail, it can be formulated into skin care products such as soft lotion, nutrient lotion, moisturizer, essence, cream, gel, etc., makeup products such as primer, foundation, powder, mascara, lipstick, etc.
此時，上述紫外線阻斷用化妝品組成物可包括化妝品學領域中可允許的載體、介質或基劑而製劑化。可更含有如脂肪物質、有機溶劑、溶解劑、濃縮劑及凝膠化劑、軟化劑、抗氧化劑、懸浮劑、穩定劑、發泡劑（foaming agent）、芳香劑、表面活性劑、水、離子型或非離子型乳化劑、填充劑、螯合劑、防腐劑、維生素、阻斷劑、保濕劑、所需油、染料、顏料、親水性活性劑、親脂性活性劑、脂質小泡或通常使用於化妝品的任意的其他成分的化妝品學領域中通常使用的輔助劑。並且，能夠以化妝品學領域中通常使用的量導入上述成分。In this case, the above-mentioned ultraviolet blocking cosmetic composition may include a carrier, a medium, or a base that is acceptable in the cosmetics field to be formulated. It may further contain fatty substances, organic solvents, dissolving agents, concentrating agents and gelling agents, softeners, antioxidants, suspending agents, stabilizers, foaming agents, fragrances, surfactants, water, Ionic or non-ionic emulsifiers, fillers, chelating agents, preservatives, vitamins, blocking agents, moisturizers, required oils, dyes, pigments, hydrophilic active agents, lipophilic active agents, lipid vesicles or usual An auxiliary agent commonly used in the field of cosmetics for any other ingredients of cosmetics. In addition, the above-mentioned components can be introduced in an amount generally used in the cosmetics field.
特別是，本發明的紫外線阻斷用化妝品組成物包括平均粒徑不同的無機紫外線阻斷劑，藉此即便無乳化劑，亦可穩定地製備具有均勻的粒子尺寸分佈的水包油型乳液。藉此，因乳化均勻度及劑型的穩定性提高而可於劑型內穩定地保持皮克林乳化的獨特的使用感。進而，本發明的紫外線阻斷用化妝品組成物的紫外線阻斷指數（SPF）為40以上、較佳為50至80，紫外線A阻斷指數（PFA）為8以上，紫外線阻斷的整體效果明顯優異。In particular, the ultraviolet blocking cosmetic composition of the present invention includes inorganic ultraviolet blocking agents with different average particle diameters, thereby stably preparing an oil-in-water emulsion having a uniform particle size distribution even without an emulsifier. As a result, the uniformity of emulsification and the stability of the dosage form are improved, and the unique use feeling of Pickering emulsification can be stably maintained in the dosage form. Furthermore, the ultraviolet blocking index (SPF) of the ultraviolet blocking cosmetic composition of the present invention is 40 or more, preferably 50 to 80, and the ultraviolet A blocking index (PFA) is 8 or more, and the overall effect of ultraviolet blocking is obvious Excellent.
本發明的紫外線阻斷用化妝品組成物的製備方法並無特別限定，可使用通常的水包油型乳液的製備方法。The preparation method of the UV-blocking cosmetic composition of the present invention is not particularly limited, and a usual preparation method of an oil-in-water emulsion can be used.
具體而言，藉由如下步驟製備：1）混合保濕劑與水而製備水相部的步驟；2）製備包括無機紫外線阻斷劑及油的油相部的步驟；3）向上述水相部添加油相部而混合的步驟；及4）進行冷卻的步驟。此時，上述無機紫外線阻斷劑可於上述步驟3）之後單獨投入。Specifically, it is prepared by the following steps: 1) a step of mixing a humectant and water to prepare a water phase part; 2) a step of preparing an oil phase part including an inorganic ultraviolet blocking agent and oil; 3) a step of preparing the water phase part The step of adding the oil phase part and mixing; and 4) the step of cooling. At this time, the above-mentioned inorganic ultraviolet blocking agent can be separately input after the above-mentioned step 3).
上述步驟1）至步驟4）的混合製程是藉由通常的方法而於可調節溫度及進行攪拌的攪拌機內執行，視需要進行攪拌方式及加熱方式。The above-mentioned mixing process from step 1) to step 4) is carried out in a blender that can adjust the temperature and perform stirring by a normal method, and perform the stirring method and the heating method as necessary.
作為一例，水相部於室溫下執行，油相部加熱至50℃至80℃、較佳為65℃至75℃而使其他成分可充分地溶解至油。As an example, the water phase part is performed at room temperature, and the oil phase part is heated to 50°C to 80°C, preferably 65°C to 75°C, so that other components can be fully dissolved into the oil.
並且，上述攪拌利用攪拌機中的均質混合機，攪拌速度及時間可根據所使用的成分而改變，作為一例，以1000 rpm至5000 rpm、較佳為以2000 rpm至4000 rpm的速度執行3分鐘至10分鐘的攪拌。此後，冷卻至25℃至30℃，藉此可製備本發明的紫外線阻斷用化妝品組成物。In addition, the above-mentioned stirring uses a homomixer in a blender, and the stirring speed and time can be changed according to the ingredients used. Stir for 10 minutes. After that, it is cooled to 25°C to 30°C, whereby the ultraviolet blocking cosmetic composition of the present invention can be prepared.
以下，藉由實施例而更詳細地對本發明進行說明。這些實施例僅用以更具體地對本發明進行說明，根據本發明的主旨，於本技術領域中具有常識者應明白，本發明的範圍並不侷限於這些實施例。Hereinafter, the present invention will be described in more detail with examples. These embodiments are only used to describe the present invention in more detail. According to the gist of the present invention, those with common sense in the art should understand that the scope of the present invention is not limited to these embodiments.
實施例及比較例：紫外線阻斷用化妝品組成物的製備 按照下述表1及表2的組成而藉由以下所示的方法製備紫外線阻斷用化妝品組成物。Examples and Comparative Examples: Preparation of UV-blocking cosmetic composition According to the composition of Table 1 and Table 2 below, the UV-blocking cosmetic composition was prepared by the method shown below.
首先，按照下述表1所示的組成比率於反應器中投入無機紫外線阻斷劑，進行攪拌而均勻地混合。First, an inorganic ultraviolet blocking agent was put into the reactor according to the composition ratio shown in Table 1 below, and the mixture was stirred and mixed uniformly.
接著，於另外的反應器中投入下述表2的水相部的各成分而於70℃下進行攪拌，使上述各成分完全溶解而製備水相部。Next, each component of the water phase part of the following Table 2 was put into another reactor, and it stirred at 70 degreeC, and the said each component was melt|dissolved completely, and the water phase part was prepared.
接著，於另外的反應器中投入下述表2的油相部的各成分而於80℃下進行攪拌，使上述各成分完全溶解而製備油相部。Next, each component of the oil phase part of the following Table 2 was put into another reactor, and it stirred at 80 degreeC, and the said each component was melt|dissolved completely, and the oil phase part was prepared.
接著，向上述水相部緩緩地投入所製備的上述油相部，於80℃下利用均質混合機以2500 rpm的速度攪拌15分鐘而乳化。Next, the prepared oil phase part was slowly introduced into the water phase part, and the mixture was stirred at a speed of 2500 rpm with a homomixer at 80°C for emulsification.
接著，連續地投入所製備的上述無機紫外線阻斷劑，於80℃下利用均質混合機以2500 rpm的速度追加攪拌8分鐘而乳化。Next, the prepared inorganic ultraviolet blocking agent was continuously introduced, and the mixture was stirred for additional 8 minutes at a speed of 2500 rpm using a homomixer at 80°C to emulsify.
接著，於追加投入增黏劑後，利用均質混合機以1500 rpm的速度攪拌3分鐘，之後冷卻至30℃而製備包括水包油型乳液的紫外線阻斷用化妝品組成物。Then, after adding a thickening agent, the mixture was stirred at a speed of 1500 rpm for 3 minutes using a homomixer, and then cooled to 30°C to prepare an ultraviolet blocking cosmetic composition including an oil-in-water emulsion.
[表1]
[表2]
實驗例1.均勻性評估 為了對在上述實施例及比較例中製備的紫外線阻斷用化妝品組成物中所包括的乳液粒子的均勻性進行評估，於剛剛製備後，對組成物中的乳液粒子的平均粒度範圍進行測定。使用光學顯微鏡（ECLIPSE 80i，NIKON）測定乳液粒子的粒度範圍。此時，於下述表3中表示所獲得的結果。Experimental example 1. Uniformity evaluation In order to evaluate the uniformity of the emulsion particles included in the ultraviolet blocking cosmetic composition prepared in the above examples and comparative examples, immediately after preparation, the emulsion particles in the composition were evaluated The average particle size range is determined. An optical microscope (ECLIPSE 80i, NIKON) was used to determine the particle size range of the emulsion particles. At this time, the obtained results are shown in Table 3 below.
[表3]
如上述表3所示，可確認到實施例的紫外線阻斷用化妝品組成物中的乳液粒子的平均粒度範圍窄於比較例。因此，確認到本發明的紫外線阻斷用化妝品組成物的均勻性優異。As shown in Table 3 above, it can be confirmed that the average particle size range of the emulsion particles in the ultraviolet blocking cosmetic composition of the examples is narrower than that of the comparative examples. Therefore, it was confirmed that the ultraviolet-ray blocking cosmetic composition of the present invention is excellent in uniformity.
實驗例2.經時穩定性評估 將於上述實施例及比較例中製備的紫外線阻斷用化妝品組成物於常溫、45℃及4℃的恆溫槽中保管4週而對各組成物的經時穩定性進行評估。具體而言，以肉眼觀察組成物的顏色、分離狀態，使用光學顯微鏡（ECLIPSE 80i，NIKON）測定組成物中的乳液粒子的平均粒度範圍，利用硬度計（CR-600DX，SUN SCIENTIFIC CO. LTD）測定組成物的硬度。依據下述基準進行評估，此時將所獲得的結果示於下述表4。Experimental example 2. Evaluation of stability over time. The ultraviolet-blocking cosmetic compositions prepared in the above examples and comparative examples were stored in a thermostat at room temperature, 45°C and 4°C for 4 weeks. Stability is evaluated. Specifically, the color and separation state of the composition were observed with the naked eye, and the average particle size range of the emulsion particles in the composition was measured using an optical microscope (ECLIPSE 80i, NIKON) using a hardness meter (CR-600DX, SUN SCIENTIFIC CO. LTD) Determine the hardness of the composition. The evaluation was performed based on the following criteria, and the results obtained at this time are shown in Table 4 below.
＜基準＞ ×：發生變化/○：無變化<Standard> ×: Changed / ○: No change
[表4]
參照上述表4，於常溫、45℃及-4℃的條件下觀察實施例的紫外線阻斷用化妝品組成物4週，結果顏色、分離狀態、平均粒度範圍及硬度無變化，藉此確認到本發明的紫外線阻斷用化妝品組成物的經時穩定性非常優異。與此相比，比較例的紫外線阻斷用化妝品組成物均發生顏色變化、相分離、粒度變化及硬度變化而穩定性較低。With reference to Table 4 above, the UV-blocking cosmetic composition of the Example was observed for 4 weeks at room temperature, 45°C and -4°C. The results showed that the color, separation state, average particle size range, and hardness did not change. The time-dependent stability of the cosmetic composition for ultraviolet blocking of the invention is very excellent. In contrast, the UV-blocking cosmetic compositions of Comparative Examples all have color change, phase separation, particle size change, and hardness change, and their stability is low.
實驗例3.紫外線阻斷效果的評估 對在上述實施例1至實施例5及比較例1中製備的紫外線阻斷用化妝品組成物的紫外線阻斷效果進行測定。具體而言，紫外線阻斷效果是以無皮膚疾病的10名被實驗人員為對象而利用美國食品及藥物管理局（Food and Drug Administration，FDA）方法及日本化妝品工業聯盟協會（Japan Cosmetic Industry Association，JCIA）方法分別測定紫外線阻斷指數（SPF）與紫外線A阻斷指數（PFA）。以平均值表示各項目的總分。此時，將所獲得的結果示於下述表5。Experimental example 3. Evaluation of ultraviolet blocking effect The ultraviolet blocking effect of the cosmetic composition for ultraviolet blocking prepared in the foregoing Examples 1 to 5 and Comparative Example 1 was measured. Specifically, the ultraviolet blocking effect is based on 10 subjects without skin diseases, using the Food and Drug Administration (FDA) method and the Japan Cosmetic Industry Association (Japan Cosmetic Industry Association, The JCIA method is used to measure the UV blocking index (SPF) and the UV A blocking index (PFA) respectively. Express the total score of each item with the average value. At this time, the obtained results are shown in Table 5 below.
[表5]
參照上述表5，對實施例及比較例的紫外線阻斷效果進行測定，結果確認到本發明的紫外線阻斷用化妝品組成物表現出高於比較例的SPF及PFA數值。With reference to the above-mentioned Table 5, the ultraviolet blocking effects of the Examples and Comparative Examples were measured. As a result, it was confirmed that the ultraviolet blocking cosmetic composition of the present invention exhibited higher SPF and PFA values than the Comparative Examples.
特別是，可確認到實施例3及實施例5的組成物的SPF較高，實施例1、實施例2及實施例4的組成物的PFA較高。藉此，可確認到包括平均粒徑為1 nm至50 nm的無機紫外線阻斷劑及平均粒徑為50 nm至80 nm的無機紫外線阻斷劑的化妝品組成物對整個紫外線表現出較高的阻斷效果，包括平均粒徑為1 nm至50 nm的無機紫外線阻斷劑及平均粒徑為135 nm至145 nm的無機紫外線阻斷劑的化妝品組成物對紫外線A表現出特別高的阻斷效果。In particular, it can be confirmed that the SPF of the composition of Example 3 and Example 5 is high, and the PFA of the composition of Example 1, Example 2 and Example 4 is high. From this, it can be confirmed that a cosmetic composition including an inorganic ultraviolet blocker with an average particle diameter of 1 nm to 50 nm and an inorganic ultraviolet blocker with an average particle diameter of 50 nm to 80 nm exhibits a high level of overall ultraviolet radiation. Blocking effect, cosmetic compositions including inorganic UV blockers with an average particle size of 1 nm to 50 nm and inorganic UV blockers with an average particle size of 135 nm to 145 nm show particularly high blocking of UVA Effect.
實驗例4.官能評估 對上述實施例1及比較例1的紫外線阻斷用化妝品組成物的延展性、黏稠感、油膩感及使用感進行評估。Experimental example 4. Sensory evaluation The extensibility, stickiness, greasiness, and feeling of use of the ultraviolet blocking cosmetic compositions of Example 1 and Comparative Example 1 were evaluated.
本官能評估以30名25歲至45歲的女性為對象，於每天使用各組成物4週後，以下述基準對各項目進行評估。以平均值表示各項目的總分。上述官能評估的結果示於下述表6。This sensory assessment is for 30 women aged 25 to 45 years old. After using each composition daily for 4 weeks, each item will be evaluated based on the following criteria. Express the total score of each item with the average value. The results of the aforementioned sensory evaluation are shown in Table 6 below.
＜基準＞ 1：非常差/2：較差/3：一般/4：良好/5：非常好<Benchmark> 1: Very bad/2: Poor/3: Fair/4: Good/5: Very good
[表6]
根據上述表6，可確認到與比較例1相比，本發明的實施例1的延展性、黏稠感、油膩感及使用感得到明顯改善。 [產業上的可利用性]According to the above-mentioned Table 6, it can be confirmed that the extensibility, stickiness, greasiness, and use feeling of Example 1 of the present invention are significantly improved compared with Comparative Example 1. [Industrial availability]
本發明的紫外線阻斷用化妝品組成物可藉由平均粒徑不同的無機紫外線阻斷劑製備均勻度優異的乳液，藉此保持如水珠破裂的獨特的使用感而表現出優異的穩定性及紫外線阻斷特性。The UV-blocking cosmetic composition of the present invention can prepare an emulsion with excellent uniformity by using inorganic UV-blocking agents with different average particle diameters, thereby maintaining a unique feeling of use such as breakage of water droplets and exhibiting excellent stability and UV rays. Blocking characteristics.
無without
無without
無。without.
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