KR102264174B1 - Manufacturing method of cosmetic composition improved water resistance - Google Patents

Manufacturing method of cosmetic composition improved water resistance Download PDF

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KR102264174B1
KR102264174B1 KR1020200158725A KR20200158725A KR102264174B1 KR 102264174 B1 KR102264174 B1 KR 102264174B1 KR 1020200158725 A KR1020200158725 A KR 1020200158725A KR 20200158725 A KR20200158725 A KR 20200158725A KR 102264174 B1 KR102264174 B1 KR 102264174B1
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cosmetic composition
water
oil
cyclopentasiloxane
weight
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KR1020200158725A
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Korean (ko)
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이호영
김성용
김종국
이지예
유건주
선동민
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주식회사 뉴앤뉴
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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
    • A61K8/18—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
    • 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
    • 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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  • Life Sciences & Earth Sciences (AREA)
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  • Dermatology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

The present invention relates to a method for producing a cosmetic composition having excellent water resistance. When an oil-in-water (O/W) cosmetic composition is applied to the skin, as the formulation changes to a water-in-oil (W/O), the cosmetic composition, which can compensate the low water resistance of the oil-in-water (O/W) cosmetic composition and has excellent adhesion, may be provided.

Description

내수성이 우수한 화장료 조성물의 제조방법{Manufacturing method of cosmetic composition improved water resistance}The manufacturing method of a cosmetic composition excellent in water resistance TECHNICAL FIELD

본 발명은 내수성이 우수한 화장료 조성물의 제조방법에 관한 것으로, 수중유형(O/W) 타입의 화장료 조성물에 관한 것이다.The present invention relates to a method for producing a cosmetic composition having excellent water resistance, and to an oil-in-water (O/W) type cosmetic composition.

화장료 조성물은 일반적으로 피부 흡수력을 높이기 위해 에멀젼 형태로 제조된다. 화장료 조성물은 수중유형(Oil in water, O/W)과 유중수형(Water in oil, W/O)으로 분류된다. 유중수형(W/O)은 땀이나 물에 강하여 오래 지속되나, 세안 시 쉽게 지워지지 않으며 사용감 또한 무겁고 답답한 단점이 있다. 반면, 수중유형(O/W)은 촉촉하고 가벼운 사용감을 나타내지만, 땀이나 물에 쉽게 지워질 수 있어 내수성 및 지속성이 부족한 단점이 있다.Cosmetic compositions are generally prepared in the form of an emulsion to increase skin absorption. The cosmetic composition is classified into oil in water (O/W) and water in oil (W/O). The water-in-oil type (W/O) is strong against sweat and water and lasts for a long time, but it is not easily erased when washing the face, and the feeling of use is heavy and stuffy. On the other hand, the oil-in-water (O/W) has a moist and light feeling of use, but it can be easily erased by sweat or water, so it has the disadvantage of lacking water resistance and durability.

대한민국 공개특허 제10-2017-0054238호(2017.05.17.)에는 내수성이 우수한 수중유형 자외선 차단용 화장료 조성물이 기재되어 있다.Korean Patent Application Laid-Open No. 10-2017-0054238 (2017.05.17.) describes a cosmetic composition for UV-blocking in water that has excellent water resistance. 대한민국 등록특허 제10-1388641호(2014.04.17.)에는 반투명 수중유형 에멀젼 형태의 자외선 차단용 화장료 조성물이 기재되어 있다.Korean Patent Registration No. 10-1388641 (April 17, 2014) describes a cosmetic composition for UV protection in the form of a translucent oil-in-water emulsion.

본 발명은 수중유형(O/W) 화장료 조성물의 낮은 내수성을 개선한 화장료 조성물을 제공하고자 한다.An object of the present invention is to provide a cosmetic composition with improved low water resistance of an oil-in-water (O/W) cosmetic composition.

본 발명은 정제수에 산화아연(ZnO)과 이산화티타늄(TiO2)을 분산시키는 단계 (a); 단계 (a) 후, 피이지-10다이메티콘과 사이클로펜타실록세인을 첨가하여 유화시키는 단계 (b); 및 단계 (b) 후, 사이클로펜타실록세인을 첨가하는 단계 (c);를 포함하는 것을 특징으로 하는 수중유형(O/W) 화장료 조성물의 제조방법을 제공한다.The present invention comprises the steps of dispersing zinc oxide (ZnO) and titanium dioxide (TiO 2 ) in purified water (a); After step (a), PEG-10 dimethicone and cyclopentasiloxane are added and emulsified (b); And after step (b), step (c) of adding cyclopentasiloxane; provides a method for producing an oil-in-water (O/W) cosmetic composition comprising a.

본 발명에 있어서, 상기 단계 (a)의 산화아연과 이산화티타늄은, 바람직하게는 화장료 조성물 전체에 대하여, 산화아연 5~15 중량%, 이산화티타늄 5~10 중량%를 포함하는 것이 좋다.In the present invention, the zinc oxide and titanium dioxide in step (a) preferably contain 5 to 15% by weight of zinc oxide and 5 to 10% by weight of titanium dioxide based on the entire cosmetic composition.

본 발명에 있어서, 상기 단계 (b)는, 바람직하게는 화장료 조성물 전체에 대하여, 피이지-10다이메티콘 0.01~1 중량%, 사이클로펜타실록세인 30~50 중량%를 포함하는 것이 좋다.In the present invention, the step (b), preferably, with respect to the entire cosmetic composition, PEG-10 dimethicone 0.01 to 1% by weight, cyclopentasiloxane 30 to 50% by weight is good.

또한, 본 발명은 상기 방법에 의해 제조된 수중유형(O/W) 화장료 조성물을 제공한다.In addition, the present invention provides an oil-in-water (O/W) cosmetic composition prepared by the above method.

본 발명에 의해 제조된 화장료 조성물은 수중유형(O/W)이나 이를 피부에 도포하면 유중수형(W/O)으로 제형이 변화됨에 따라, 수중유형(O/W) 화장료 조성물의 낮은 내수성을 보완할 수 있으며 사용감이 우수한 화장료 조성물을 제공할 수 있다.The cosmetic composition prepared by the present invention is an oil-in-water (O/W), but when it is applied to the skin, the formulation is changed to a water-in-oil (W/O), thereby supplementing the low water resistance of the oil-in-water (O/W) cosmetic composition. And it is possible to provide a cosmetic composition excellent in usability.

도 1은 본 발명에 의해 제조된 수중유형(O/W) 화장료 조성물의 일 예이다.
도 2는 본 발명에 의해 제조된 화장료 조성물이 O/W 제형임을 확인한 도면이다.
도 3은 본 발명에 의해 제조된 수중유형(O/W) 화장료 조성물을 피부에 도포할 경우 유중수형(W/O)으로 제형 변화되는 것을 확인한 도면이다.1 is an example of an oil-in-water (O/W) cosmetic composition prepared by the present invention.
2 is a view confirming that the cosmetic composition prepared by the present invention is an O/W formulation.
3 is a view confirming that the formulation is changed to a water-in-oil (W/O) when the oil-in-water (O/W) cosmetic composition prepared by the present invention is applied to the skin.

본 발명은 정제수에 산화아연(ZnO)과 이산화티타늄(TiO2)을 분산시키는 단계 (a); 단계 (a) 후, 피이지-10다이메티콘과 사이클로펜타실록세인을 첨가하여 유화시키는 단계 (b); 및 단계 (b) 후, 사이클로펜타실록세인을 첨가하는 단계 (c);를 포함하는 것을 특징으로 하는 수중유형(O/W) 화장료 조성물의 제조방법을 제공한다.The present invention comprises the steps of dispersing zinc oxide (ZnO) and titanium dioxide (TiO2) in purified water (a); After step (a), PEG-10 dimethicone and cyclopentasiloxane are added and emulsified (b); And after step (b), step (c) of adding cyclopentasiloxane; provides a method for producing an oil-in-water (O/W) cosmetic composition comprising a.

이하, 본 발명의 화장료 조성물의 제조방법에 대해 각 단계별로 세분화해서 보다 구체적으로 설명하기로 한다. Hereinafter, the manufacturing method of the cosmetic composition of the present invention will be subdivided into each step and described in more detail.

< 단계 (a) : 산화아연(ZnO) 및 이산화티타늄(TiO2) 분산 ><Step (a): Dispersion of zinc oxide (ZnO) and titanium dioxide (TiO2) >

본 단계는 산화아연과 이산화티타늄을 정제수에 분산시키는 단계이다. 산화아연(Zinc oxide)과 이산화티타늄(Titanium dioxide)은 UV-A, UV-B 산란효과가 있는 물리적 자외선 차단 성분으로 독성이 없고, 알레르기 유발 위험이 거의 없어 자외선 차단제에 주로 사용되는 물질이다. 본 발명은 내수성이 강한 산화아연과 이산화티타늄을 이용하여 화장료 조성물을 제조하고자 하였다. 특히, 산화아연과 이산화티타늄을 이용함에 따라 자외선 차단 효과를 동시에 발휘할 수 있다.This step is a step of dispersing zinc oxide and titanium dioxide in purified water. Zinc oxide and titanium dioxide are physical sunscreen ingredients with UV-A and UV-B scattering effects. They are non-toxic and have little risk of causing allergies, so they are mainly used in sunscreens. The present invention was to prepare a cosmetic composition using zinc oxide and titanium dioxide with strong water resistance. In particular, by using zinc oxide and titanium dioxide, a UV blocking effect can be exhibited at the same time.

바람직하게는 화장료 조성물 전체에 대하여, 산화아연 5~15 중량%, 이산화티타늄 5~10 중량%로 혼합되는 것이 좋다. 화장료 조성물 전체에 대하여 상기 배합범위를 벗어날 경우, 본 발명에서 제공하고자 하는 화장료 조성물의 물성에 적합하지 않을 수 있다. 더욱 바람직하게는, 화장료 조성물 전체에 대하여, 산화아연 12 중량%, 이산화티타늄 8 중량%로 혼합되는 것이 좋다. Preferably, with respect to the entire cosmetic composition, 5 to 15% by weight of zinc oxide and 5 to 10% by weight of titanium dioxide are mixed. If it is out of the above formulation range for the entire cosmetic composition, the physical properties of the cosmetic composition to be provided in the present invention may not be suitable. More preferably, with respect to the entire cosmetic composition, it is good to mix 12% by weight of zinc oxide and 8% by weight of titanium dioxide.

또한, 본 발명에 있어서, 정제수는 70~90℃로 승온된 것이 좋으며, 산화아연과 이산화티타늄은 롤밀(roll mill) 처리되어 분쇄된 것이 좋다. 정제수의 온도가 이보다 저온이거나 고온일 경우 산화아연과 이산화티타늄의 분산에 적합하지 않을 수 있다.In addition, in the present invention, the purified water is preferably heated to 70 ~ 90 ℃, zinc oxide and titanium dioxide are preferably pulverized by a roll mill (roll mill) treatment. If the temperature of purified water is lower or higher than this, it may not be suitable for dispersion of zinc oxide and titanium dioxide.

또한, 본 발명에 있어서, 산화아연과 이산화티타늄을 정제수에 넣고 1,500~3,000 rpm으로 교반하여 충분히 분산시키는 것이 좋다.In addition, in the present invention, zinc oxide and titanium dioxide are put in purified water and stirred at 1,500 to 3,000 rpm to sufficiently disperse.

또한, 본 발명의 화장료 조성물 전체에 대하여, 정제수 30~50 중량%, 산화아연 5~15 중량%, 이산화티타늄 5~10 중량%로 혼합되는 것이 좋다. 상기 배합범위를 벗어날 경우에는 최종 제조되는 화장료 조성물의 제형 안정성에 문제가 발생할 수 있다.In addition, with respect to the entire cosmetic composition of the present invention, 30 to 50% by weight of purified water, 5 to 15% by weight of zinc oxide, and 5 to 10% by weight of titanium dioxide is preferably mixed. If it is out of the above formulation range, a problem may occur in the formulation stability of the finally manufactured cosmetic composition.

< 단계 (b) : 피이지-10다이메티콘 및 사이클로펜타실록세인 첨가 ><Step (b): Addition of PEG-10 dimethicone and cyclopentasiloxane>

본 단계는 피이지-10다이메티콘과 사이클로펜타실록세인을 첨가하여 유화시키는 단계이다. 피이지-10다이메티콘(PEG-10 Dimethicone)은 다이메티콘의 폴리에틸렌 글리콜 유도체로, 모발이나 피부 컨디셔닝제로 사용된다. 사이클로펜타실록세인(Cyclopentasiloxane)은 실록세인 5개가 고리모양으로 연결된 것에 메틸기 10개가 결합된 실리콘 오일로, 보습 등의 효과가 있다. 실리콘 오일은 화장료 조성물의 백탁 현상을 줄여주는 기능을 한다. 한편 일반적으로 실리콘 오일을 화장료 조성물에 첨가할 경우 끈적임, 번들거림 등으로 인해 사용감이 좋지 못하지만, 사이클로펜타실록세인은 실리콘 오일 중 끈적임과 번들거림이 덜하여 사용감이 비교적 좋은 장점이 있다.This step is a step to emulsify by adding PEG-10 dimethicone and cyclopentasiloxane. PEG-10 Dimethicone (PEG-10 Dimethicone) is a polyethylene glycol derivative of dimethicone, and is used as a hair or skin conditioning agent. Cyclopentasiloxane is a silicone oil in which 5 siloxanes are linked in a ring shape and 10 methyl groups are combined, and has moisturizing effects. Silicone oil functions to reduce cloudiness of the cosmetic composition. On the other hand, in general, when silicone oil is added to a cosmetic composition, the feeling of use is not good due to stickiness, shine, etc., but cyclopentasiloxane has less stickiness and shine among silicone oils, so it has a relatively good feeling.

피이지-10다이메티콘과 사이클로펜타실록세인은 화장료 조성물에 부드러운 사용감을 부여할 수 있다. 본 발명에 있어서, 바람직하게는 피이지-10다이메티콘은 분산된 상태로 사용하는 것이 좋다. PEG-10 dimethicone and cyclopentasiloxane can impart a soft feeling to the cosmetic composition. In the present invention, it is preferable to use PEG-10 dimethicone in a dispersed state.

본 단계는에서 유화제인 피이지-10다이메티콘을 첨가함에 따라 유화가 진행된다. 또한, 본 발명의 화장료 조성물 전체에 대하여, 피이지-10다이메티콘 0.01~1 중량%, 사이클로펜타실록세인 30~50 중량%로 혼합되는 것이 좋다.In this step, emulsification proceeds as the emulsifier, PEG-10 dimethicone, is added. In addition, with respect to the entire cosmetic composition of the present invention, PEG-10 dimethicone 0.01 to 1% by weight, cyclopentasiloxane 30 to 50% by weight is preferably mixed.

피이지-10다이메티콘은 상기 배합비를 벗어나 다량 첨가할 경우 제형 안정성이 좋지 못할 수 있으며, 이보다 적게 첨가할 경우에는 유화가 충분히 진행되지 못할수 있다. 또한, 사이클로펜타실록세인은 상기 배합비를 벗어나 다량 첨가할 경우 제형 안정성이 좋지 못할 수 있으며, 이보다 적게 첨가할 경우에는 화장료 조성물의 내수성이 부족할 수 있다.When PEG-10 dimethicone is added in a large amount out of the above compounding ratio, formulation stability may not be good, and if it is added less than this, emulsification may not proceed sufficiently. In addition, when cyclopentasiloxane is added in a large amount outside the above compounding ratio, formulation stability may be poor, and when added less than this, water resistance of the cosmetic composition may be insufficient.

또한, 본 단계는 상기 단계 (a)의 혼합물을 1,500~3,000 rpm으로 교반하면서 피이지-10다이메티콘과 사이클로펜타실록세인을 첨가하는 것이 좋다.In addition, in this step, it is preferable to add PEG-10 dimethicone and cyclopentasiloxane while stirring the mixture of step (a) at 1,500 to 3,000 rpm.

< 단계 (c) : 사이클로펜타실록세인 첨가 ><Step (c): addition of cyclopentasiloxane>

본 단계는 사이클로펜타실록세인을 더욱 첨가하는 단계이다. 유화가 진행된 조성물에 사이클로펜타실록세인을 더욱 첨가하여 O/W형의 화장료 조성물을 제조한다.This step is a step of further adding cyclopentasiloxane. By further adding cyclopentasiloxane to the emulsified composition, an O/W type cosmetic composition is prepared.

삭제delete

본 발명의 화장료 조성물 전체에 대하여, 사이클로펜타실록세인은 1~10 중량% 더욱 혼합되는 것이 좋다. 사이클로펜타실록세인을 다량 첨가할 경우 제형 안정성에 문제가 발생할 수 있으며, 이보다 적게 첨가할 경우에는 화장료 조성물의 내수성이 부족한 문제가 발생할 수 있다With respect to the entire cosmetic composition of the present invention, cyclopentasiloxane is preferably further mixed by 1 to 10% by weight. When a large amount of cyclopentasiloxane is added, there may be a problem in formulation stability, and if it is added less than this, a problem of insufficient water resistance of the cosmetic composition may occur.

본 발명의 화장료 조성물은 수중유형(O/W)이지만, 이를 피부에 도포하면 유중수형(W/O)으로 제형이 변화되는데, 사이클로펜타실록세인의 첨가량에 따라 제형 변화가 일어나게 된다. 즉, 사이클로펜타실록세인이 화장료 조성물 전체 중량에 대하여, 상기 단계 (b)에서 30~50 중량%, 본 단계 (c)에서 1~10 중량%로 첨가할 경우, 이를 피부에 도포시 상전이가 일어나 O/W 제형이 W/O 제형으로 변화하게 되는 것이다. 이때, W/0 제형으로 변화하면서 실록세인의 화학 작용기가 피부 표면과 접촉하여 일종의 실리콘 막을 형성함으로써 내수성을 확보할 수도 있는 것이다. 이를 통해 피부 보습력을 발휘하게 된다. The cosmetic composition of the present invention is an oil-in-water (O/W), but when it is applied to the skin, the formulation is changed to a water-in-oil (W/O), and the formulation changes depending on the amount of cyclopentasiloxane added. That is, when cyclopentasiloxane is added in an amount of 30 to 50% by weight in step (b) and 1 to 10% by weight in step (c) with respect to the total weight of the cosmetic composition, a phase change occurs when it is applied to the skin. O/W formulation will be changed to W/O formulation. At this time, while changing to the W/0 formulation, the chemical functional groups of siloxane come into contact with the skin surface to form a kind of silicone film, thereby securing water resistance. In this way, the skin moisturizes.

한편, 상기 단계 (c) 후에는 1,2-헥산다이올을 첨가함에 따라 화장료 조성물에 보습 효과 및 방부 효과를 부여할 수 있다. 1,2-헥산다이올(1,2-Hexanediol)은 소수성과 친수성을 모두 가지고 있는 계면활성제로, 화장료 조성물에 첨가시 다른 물질과 잘 섞이며 화장품 제형에 영향을 미치지 않으므로, 파라벤을 대체하여 사용된다. 1,2-헥산다이올은 상기 단계 (c) 후, 조성물의 온도가 40~50℃일 때 첨가하는 것이 좋으며, 바람직하게는 화장료 조성물 전체에 대하여 0.1~5 중량% 혼합되는 것이 좋다. 이보다 다량 첨가할 경우에는 첨가량 대비 효과에 대해 경제적으로 바람직하지 못하며, 이보다 적게 첨가할 경우에는 1,2-헥산다이올의 첨가에 따른 효과가 미미할 수 있다. 또한, 1,2-헥산다이올은 혼합물을 1,500~3,000 rpm으로 교반하면서 투입하는 것이 좋다.On the other hand, after the step (c), by adding 1,2-hexanediol, a moisturizing effect and an antiseptic effect can be imparted to the cosmetic composition. 1,2-Hexanediol (1,2-Hexanediol) is a surfactant that has both hydrophobicity and hydrophilicity. When added to a cosmetic composition, it mixes well with other substances and does not affect the cosmetic formulation, so it is used as a substitute for parabens. do. 1,2-hexanediol is preferably added when the temperature of the composition is 40-50° C. after step (c), preferably 0.1-5 wt% of the total cosmetic composition is mixed. When added in a larger amount than this, it is economically undesirable for the effect compared to the added amount, and when added less than this, the effect of the addition of 1,2-hexanediol may be insignificant. In addition, 1,2-hexanediol is preferably added while stirring the mixture at 1,500 to 3,000 rpm.

상기의 제조방법에 의해 제조된 본 발명의 화장료 조성물은 25℃까지 냉각하고 탈포하여 제조완료한다.The cosmetic composition of the present invention prepared by the above manufacturing method is cooled to 25° C. and defoamed to complete the preparation.

또한, 본 발명의 화장료 조성물은 본 발명이 속하는 기술 분야에서 통상적으로 사용되는 보조제 예컨대 친수성 또는 친유성 활성제, 보존제, 항산화제, 용매, 방향제, 충전제, 차단제, 안료, 흡취제, 염료 등을 함유할 수 있다. 이들 다양한 보조제의 양은 당해 분야에서 통상적으로 사용되는 양이며, 예컨대 조성물 총 중량에 대해 0.001 내지 30 중량% 이다. 다만, 어떠한 경우라도 보조제 및 그 비율은 본 발명에 따른 화장료 조성물의 바람직한 성질에 악영향을 미치지 않도록 선택될 것이다.In addition, the cosmetic composition of the present invention may contain auxiliary agents such as hydrophilic or lipophilic active agents, preservatives, antioxidants, solvents, fragrances, fillers, blockers, pigments, odorants, dyes, etc. commonly used in the art to which the present invention pertains. can The amount of these various adjuvants is an amount conventionally used in the art, for example, 0.001 to 30% by weight relative to the total weight of the composition. However, in any case, the auxiliary agent and its ratio will be selected so as not to adversely affect the desirable properties of the cosmetic composition according to the present invention.

이하, 본 발명에 대해 하기 실시예 및 실험예에서 더욱 상세히 설명하고자 한다. 다만, 본 발명의 권리범위가 하기 실시예 및 실험예에만 한정되는 것은 아니고, 이와 등가의 기술적 사상의 변형까지를 모두 포함한다.Hereinafter, the present invention will be described in more detail in the following Examples and Experimental Examples. However, the scope of the present invention is not limited only to the following examples and experimental examples, and includes all modifications of the technical idea equivalent thereto.

[실시예 1 : 수중유형(O/W) 화장료 조성물 제조][Example 1: Preparation of oil-in-water (O/W) cosmetic composition]

수중유형(O/W) 화장료 조성물은 화장료 조성물 전체에 대하여 정제수 32.48 중량%, 산화아연(ZnO) 12 중량%, 이산화티타늄(TiO2) 8 중량%, 피이지-10다이메티콘(PEG-10 Dimethicone) 0.52 중량%, 사이클로펜타실록세인(Cyclopentasiloxane) 45.0 중량% 및 1,2-헥산다이올(1,2-Hexanediol) 2 중량%로 구성된다.Oil-in-water (O/W) cosmetic composition contains 32.48% by weight of purified water, 12% by weight of zinc oxide (ZnO) , 8% by weight of titanium dioxide (TiO 2 ), PEG-10 dimethicone (PEG-10) with respect to the entire cosmetic composition. Dimethicone) 0.52 wt%, cyclopentasiloxane (Cyclopentasiloxane) 45.0 wt%, and 1,2-hexanediol (1,2-Hexanediol) is composed of 2% by weight.

80℃까지 승온한 정제수 32.48 중량%에 롤밀(roll mill) 처리된(입자크기 약 0.5 μm) 산화아연(ZnO) 12 중량%와 롤밀(roll mill) 처리된(입자크기 약 4 μm) 이산화티타늄(TiO2) 8 중량%를 넣고 2,000 rpm으로 교반하여 완전히 분산시켰다. 이를 교반하면서, 피이지-10다이메티콘(PEG-10 Dimethicone) 0.52 중량%와 사이클로펜타실록세인(Cyclopentasiloxane) 40 중량%를 투입하여 유화시켰다. 이후 사이클로펜타실록세인(Cyclopentasiloxane) 5 중량%를 천천히 투입하고 교반한 뒤, 45℃에서 2,000 rpm으로 1,2-헥산다이올(1,2-Hexanediol) 2 중량%를 투입하고 교반하였다. 그 후, 25℃까지 냉각하고 탈포하여 수중유형(O/W) 화장료 조성물을 제조하였다.12% by weight of zinc oxide (ZnO) treated with roll mill (particle size of about 0.5 μm) in 32.48% by weight of purified water heated to 80° C. and roll milled (particle size of about 4 μm) titanium dioxide ( TiO 2 ) 8% by weight was added and stirred at 2,000 rpm to completely disperse. While stirring, 0.52 wt% of PEG-10 Dimethicone and 40 wt% of Cyclopentasiloxane were added and emulsified. Thereafter, 5 wt% of cyclopentasiloxane was slowly added and stirred, and then 2 wt% of 1,2-hexanediol (1,2-Hexanediol) was added and stirred at 2,000 rpm at 45°C. Thereafter, it was cooled to 25° C. and defoamed to prepare an oil-in-water (O/W) cosmetic composition.

[실험예 1 : 수중유형(O/W) 화장료 조성물의 수상 분산 실험] [Experimental Example 1: Water dispersion experiment of oil-in-water (O/W) cosmetic composition]

수중유형(O/W) 조성물은 물 또는 수용액과 만나면 퍼지거나 스며들어 분산된다. 본 실험에서는 상기 실시예 1에서 제조한 수중유형(O/W) 화장료 조성물을 정제수에 분산하여 수중유형(O/W)의 화장료 조성물임을 확인하고자 하였다.The oil-in-water (O/W) composition spreads or permeates and disperses when it comes into contact with water or an aqueous solution. In this experiment, the oil-in-water (O/W) cosmetic composition prepared in Example 1 was dispersed in purified water to confirm that it was an oil-in-water (O/W) cosmetic composition.

상기 실시예 1에서 제조한 화장료 조성물 3g을 40℃의 정제수에 넣고, 볼텍스 믹서(Voltex Mixer VM-10, 제조사: 대한과학)의 최대 세기(3,200rpm)로 1분간 분산시켰다. 1분 후, 용액의 외관을 육안으로 관찰하여 분산도를 확인하였다.3 g of the cosmetic composition prepared in Example 1 was put in purified water at 40° C., and dispersed for 1 minute at the maximum intensity (3,200 rpm) of a vortex mixer (Voltex Mixer VM-10, manufacturer: Daehan Science). After 1 minute, the appearance of the solution was visually observed to confirm the degree of dispersion.

도 2에서 보듯이, 화장료 조성물이 고르게 분산된 것을 확인하였으며, 이에 따라, 상기 실시예 1에서 제조한 화장료 조성물은 O/W(Oil in Water) 제형인 점을 확인하였다.As shown in FIG. 2 , it was confirmed that the cosmetic composition was evenly dispersed, and accordingly, it was confirmed that the cosmetic composition prepared in Example 1 was an O/W (Oil in Water) formulation.

[실험예 2 : 수중유형(O/W) 화장료 조성물의 내수성 시험][Experimental Example 2: Water resistance test of oil-in-water (O/W) cosmetic composition]

유중수형(W/O) 조성물은 물 또는 수용액과 만나면 섞이지 않아 수성 성분이 동그랗게 맺히는 점을 관찰할 수 있다. 본 실험에서는 상기 실시예 1에서 제조한 화장료 조성물을 피부에 도포한 뒤 정제수를 도포하여 유중수형(W/O)의 화장료 조성물임을 확인하고자 하였다.It can be observed that the water-in-oil (W/O) composition does not mix with water or aqueous solution, so that the aqueous component is formed in a circle. In this experiment, after applying the cosmetic composition prepared in Example 1 to the skin, purified water was applied to confirm that it was a water-in-oil (W/O) cosmetic composition.

상기 실시예 1에서 제조한 화장료 조성물 3g을 손등에 도포하고 충분히 롤링하여 제형을 흡수시켰다. 이후 손등에 정제수를 도포하고 3회 롤링하여 내수성을 육안으로 관찰하였다. 한편, 대조군으로는 본 발명의 화장료 조성물을 적용하지 않고 정제수만 도포하여 3회 롤링하였다.3 g of the cosmetic composition prepared in Example 1 was applied to the back of the hand and sufficiently rolled to absorb the formulation. Thereafter, purified water was applied to the back of the hand, and the water resistance was visually observed by rolling three times. On the other hand, as a control, the cosmetic composition of the present invention was not applied and only purified water was applied and rolled three times.

도 3에서 보듯이, 본 발명의 화장료 조성물이 W/O(Water in Oil) 제형임을 확인하였다.As shown in Figure 3, it was confirmed that the cosmetic composition of the present invention is a W/O (Water in Oil) formulation.

즉, 본 발명의 화장료 조성물은 상기 실험예 1에서 보듯이, O/W 제형으로 제조되었으나, 실험예 2에서 보듯이, 피부에 도포할 경우 W/O 제형으로 제형 변화가 일어하는데, 이 때 실록세인 화학 작용기가 피부 표면에서 일종의 실리콘 막을 형성하여 내수성을 확보할 수 있다. 이에 따라, 본 발명은 수중유형(O/W) 화장료 조성물의 가볍고 산뜻한 사용감을 제공할 수 있으며, 수중유형(O/W) 화장료 조성물의 낮은 내수성은 피부 도포 시 유중수형(W/O)으로 제형이 변화됨에 따라 이를 보완하여, 사용감이 개선된 화장료 조성물을 제공할 수 있다.That is, the cosmetic composition of the present invention was prepared in an O/W formulation as shown in Experimental Example 1, but as shown in Experimental Example 2, when applied to the skin, the formulation was changed to a W/O formulation. Sein chemical functional groups can form a kind of silicone film on the skin surface to ensure water resistance. Accordingly, the present invention can provide a light and refreshing feeling of use of the oil-in-water (O/W) cosmetic composition, and the low water resistance of the oil-in-water (O/W) cosmetic composition is formulated as a water-in-oil (W/O) when applied to the skin. As this changes, it is possible to provide a cosmetic composition with an improved feeling of use by supplementing it.

Claims (4)

화장료 조성물 전체에 대하여, 정제수 30~50 중량%에 산화아연(ZnO) 5~15 중량%와 이산화티타늄(TiO2) 5~10 중량%를 분산시키는 단계 (a);
단계 (a) 후, 화장료 조성물 전체에 대하여, 피이지-10다이메티콘 0.01~1 중량%와 사이클로펜타실록세인 30~50 중량%를 첨가하여 유화시키는 단계 (b); 및
단계 (b) 후, 화장료 조성물 전체에 대하여, 사이클로펜타실록세인 1~10 중량%를 첨가하는 단계 (c);를 포함하여 수중유형(O/W) 화장료 조성물을 제조하며,
상기 수중유형(O/W) 화장료 조성물은 피부 도포 시 유중수형(W/O)으로 변화하여 내수성을 가지는 것을 특징으로 하는 수중유형(O/W) 화장료 조성물의 제조방법.
Dispersing 5-15 wt% of zinc oxide (ZnO) and 5-10 wt% of titanium dioxide (TiO 2 ) in 30-50 wt% of purified water based on the entire cosmetic composition (a);
After step (a), with respect to the entire cosmetic composition, adding 0.01 to 1% by weight of PEG-10 dimethicone and 30 to 50% by weight of cyclopentasiloxane to emulsify (b); and
After step (b), with respect to the entire cosmetic composition, step (c) of adding 1 to 10 wt% of cyclopentasiloxane to prepare an oil-in-water (O/W) cosmetic composition, including;
The oil-in-water (O/W) cosmetic composition is a method for producing an oil-in-water (O/W) cosmetic composition, characterized in that it has water resistance by changing to a water-in-oil (W/O) when applied to the skin.
 삭제delete 삭제delete 제1항에 의해 제조되며, 피부 도포 시 유중수형(W/O)으로 변화하여 내수성을 가지는 것을 특징으로 하는 수중유형(O/W) 화장료 조성물.An oil-in-water (O/W) cosmetic composition prepared according to claim 1, characterized in that it has water resistance by changing to a water-in-oil type (W/O) when applied to the skin.
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