WO2009119090A1 - Cosmétique d’écran solaire émulsifié de type huile dans l’eau - Google Patents

Cosmétique d’écran solaire émulsifié de type huile dans l’eau Download PDF

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Publication number
WO2009119090A1
WO2009119090A1 PCT/JP2009/001346 JP2009001346W WO2009119090A1 WO 2009119090 A1 WO2009119090 A1 WO 2009119090A1 JP 2009001346 W JP2009001346 W JP 2009001346W WO 2009119090 A1 WO2009119090 A1 WO 2009119090A1
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WO
WIPO (PCT)
Prior art keywords
oil
water
ultraviolet absorber
sunscreen
mass
Prior art date
Application number
PCT/JP2009/001346
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English (en)
Japanese (ja)
Inventor
水野寛子
三浦由将
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株式会社資生堂
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Publication date
Application filed by 株式会社資生堂 filed Critical 株式会社資生堂
Publication of WO2009119090A1 publication Critical patent/WO2009119090A1/fr

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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
    • 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
    • A61K8/02—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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
    • A61K8/496—Triazoles or their condensed derivatives, e.g. benzotriazoles

Definitions

  • the present invention relates to a sunscreen cosmetic. More specifically, the present invention relates to a sunscreen oil-in-water emulsified cosmetic excellent in UV protection effect and usability.
  • Patent Document 1 describes an oil-in-water emulsified composition containing a benzotriazole type ultraviolet absorber represented by the following formula (I) and an oil-soluble ultraviolet absorber, and is a sunscreen cosmetic excellent in ultraviolet protection effect.
  • a benzotriazole type ultraviolet absorber represented by the following formula (I) and an oil-soluble ultraviolet absorber
  • R 1 and R 2 may be the same or different, and may be one or more selected from alkyl groups having 1 to 4 carbon atoms, cycloalkyl groups having 5 to 12 carbon atoms, and aryl groups.
  • An alkyl group having 1 to 18 carbon atoms, which may be substituted with a group
  • Patent Document 2 suggests that the combination of the above benzotriazole type ultraviolet absorber and the oil-soluble ultraviolet absorber synergistically increases the ultraviolet protection effect in the UV-A region. (Patent Document 2).
  • oil-in-water emulsified cosmetics it is impossible to add a large amount of oil as an internal phase because of the stability of the emulsion.
  • sticking occurs when a large amount of oil is blended, so that usually a large amount of oil is not blended. This is because in the product design of an oil-in-water emulsified cosmetic, stickiness due to the oil phase is suppressed, and a refreshing feeling due to the water phase is particularly emphasized. Therefore, in oil-in-water emulsified cosmetics, the idea of blending a large amount of oil-soluble UV absorber cannot basically exist. Further, since the oil content is small, it is extremely difficult to stably mix the oil-soluble ultraviolet absorber.
  • the invention described in Patent Document 1 is that the benzotriazole type ultraviolet absorber of the above formula (I) is contained in the aqueous phase to ensure an ultraviolet protection effect and additionally an oil-soluble ultraviolet absorber can be blended. It is. Patent Document 1 does not describe or suggest a synergistic ultraviolet protective effect of the benzotriazole type ultraviolet absorber of the formula (I) and two or more oil-soluble ultraviolet absorbers.
  • sunscreen cosmetics comprising the oil-in-water emulsion composition
  • the present inventors (1) Basically it is difficult to increase the UV protection effect. (2) When a large amount of an oil-soluble ultraviolet absorber is blended in order to increase the ultraviolet protection effect, the stability of the system as an oil-in-water emulsion composition deteriorates. (3) The feeling of use required for oil-in-water emulsified cosmetics is further reduced by a large amount of oil. (4) However, when an oil-soluble ultraviolet absorber is blended into a small amount of oil (that is, the oil phase of the inner phase), the ultraviolet absorber is separated over time, so a large amount cannot be blended.
  • An object of the present invention is to provide a sunscreen oil-in-water emulsified cosmetic that dramatically enhances the UV protection effect and at the same time has excellent usability.
  • the present invention provides a sunscreen oil-in-water emulsified cosmetic containing a benzotriazole type ultraviolet absorber of the following formula (I) and an oil-soluble ultraviolet absorber: (1) The oil content is 20 to 40% by mass, (2) The content of the benzotriazole type ultraviolet absorber of the following formula (I) is 1 to 10% by mass, (3) Contains two or more oil-soluble UV absorbers, (4) To provide a sunscreen oil-in-water emulsified cosmetic characterized in that the content of two or more oil-soluble ultraviolet absorbers is 10 to 20% by mass.
  • R 1 and R 2 may be the same or different, and may be one or more selected from alkyl groups having 1 to 4 carbon atoms, cycloalkyl groups having 5 to 12 carbon atoms, and aryl groups.
  • An alkyl group having 1 to 18 carbon atoms, which may be substituted with a group
  • the present invention is characterized in that, in the formula (I) which is the benzotriazole type ultraviolet absorber, R 1 and R 2 are 1,1,3,3-tetramethylbutyl groups.
  • R 1 and R 2 are 1,1,3,3-tetramethylbutyl groups.
  • the oil-soluble ultraviolet absorber is selected from the group consisting of octylmethoxycinnamate, octocrylene, t-butylmethoxydibenzoylmethane, dimethicodiethylbenzalmalonate, bisethylhexyloxyphenol methoxyphenyltriazine.
  • the sunscreen oil-in-water emulsified cosmetic is characterized by being two or more kinds.
  • the benzotriazole type ultraviolet absorber blended in the water phase and the oil-soluble ultraviolet absorber blended in the oil phase combine to protect against ultraviolet rays. Will increase dramatically. Moreover, it is excellent also in the usability
  • the sunscreen cosmetic of the present invention is an oil-in-water emulsion composition.
  • the oil component constituting the oil phase is not particularly limited. However, diethylhexyl succinate, cyclomethicone, dimethicone, 2-ethylhexyl 2-ethylhexanoate, behenyl alcohol, batyl alcohol, caprylyl methicone, triethylhexanoin, diisopropyl sebacate, cetyl ethylhexanoate mixed
  • the oil content is preferred.
  • the oil content is 20 to 40% by mass based on the total amount of the sunscreen oil-in-water emulsified cosmetic. If it is less than 20% by mass, the oil-soluble ultraviolet absorber cannot be blended sufficiently and stably. When it exceeds 40% by mass, the feeling in use and the stability of the system are deteriorated.
  • the oil content includes the contents of ultraviolet absorbers and non-liquid oil-soluble drugs.
  • the water and water-soluble raw materials constituting the aqueous phase are less than 80% by mass based on the total amount of the sunscreen oil-in-water emulsified cosmetic.
  • the essential component demonstrated below is mix
  • the surfactant is preferably a combination of lauryl betaine and isostearic acid.
  • the emulsification method is not particularly limited, and emulsification is performed by a conventional method.
  • the benzotriazole type ultraviolet absorber of the following formula (I) is a known compound described in Patent Document 1 and is used as an ultraviolet absorber in sunscreen cosmetics.
  • R 1 and R 2 may be the same or different, and may be one or more selected from alkyl groups having 1 to 4 carbon atoms, cycloalkyl groups having 5 to 12 carbon atoms, and aryl groups. An alkyl group having 1 to 18 carbon atoms, which may be substituted with a group]
  • a compound in which R 1 and R 2 are 1,1,3,3-tetramethylbutyl groups is preferable.
  • This compound is 2,2′-methylenebis [6- (2H-benzotriazol-2-yl) -4- (1,1,3,3-tetramethylbutyl) phenol, which is available from Tinosorb M (Ciba).
  • Tinosorb M Tinosorb M
  • the content of the benzotriazole type ultraviolet absorber (I) is 1 to 10% by mass with respect to the total amount of the sunscreen oil-in-water emulsified cosmetic. If the amount is less than 1% by mass, the increase in UV protection effect is insufficient. Moreover, when it exceeds 10 mass%, stability of a system will deteriorate. A preferred content is 2 to 5% by mass.
  • ⁇ Two or three or more oil-soluble UV absorbers If it is an oil-soluble ultraviolet absorber, it will not be limited. However, octylmethoxycinnamate, octocrylene, t-butylmethoxydibenzoylmethane, dimethicodiethylbenzalmalonate (polysilicone-15), bisethylhexyloxyphenol methoxyphenyltriazine, ethylhexyltriazone, methylbistrimethoxycinnamate ( Two or more of trimethylsiloxy) silylisopentyl, diethylaminohydroxybenzoyl hexyl benzoate, and ethyl glyceryl dimethoxycinnamate are preferred.
  • it is two or more selected from the group consisting of octylmethoxycinnamate, octocrylene, t-butylmethoxydibenzoylmethane, dimethicodiethylbenzalmalonate, bisethylhexyloxyphenol methoxyphenyltriazine, particularly Any three types.
  • the content of the two or more oil-soluble ultraviolet absorbers is 10 to 20% by mass based on the total amount of the sunscreen oil-in-water emulsified cosmetic. If it is less than 10% by mass, the ultraviolet protection effect cannot be sufficiently increased by the combination with the compound of formula (1). Moreover, even if it mixes exceeding 20 mass%, the further increase in an ultraviolet-ray protective effect cannot be anticipated, and stability of a system will also deteriorate.
  • the sunscreen oil-in-water emulsified cosmetic of the present invention contains alcohol, moisturizer, thickener, neutralizer, chelating agent, preservative, and other cosmetic raw materials as necessary in addition to the above-described essential components. It can mix
  • a compounding quantity is the mass% with respect to the whole quantity unless there is particular notice.
  • the sunscreen oil-in-water emulsified cosmetics shown in Tables 1 and 2 were produced by a conventional method. Absorbance at 280 to 400 nm was measured with a spectrophotometer (U4100, HITACHI). The results are shown in FIG. It can be seen that the absorbance of Test Example 6 exceeds the sum of the absorbances of Test Examples 2 and 4, and the absorbance of Test Example 7 exceeds the sum of the absorbances of Test Examples 3 and 4, respectively.
  • Example 1 Water phase ion-exchanged water Remaining ethanol 5 mass% Glycerol 1 Butylene glycol 4 Dipropylene glycol 5 Carboxyvinyl polymer 0.1 Xanthan gum 0.1 Potassium hydroxide 0.05 Chino Sorb M 2 Phenoxyethanol 0.35 Buffering agent Suitable amount stabilizer Suitable amount Oil phase part PEG-60 glyceryl isostearate 1.6 PEG-5 glyceryl stearate 0.4 Cetanol 0.3 Triethylhexanoin 2 Diphenylsiloxyphenyl trimethicone 3 Octyl methoxycinnamate 7.5 Octocrylene 5 Butylmethoxybenzoylmethane 2 Perfume appropriate amount production method: The water phase part and the oil phase part are heated and dissolved at 70 ° C., respectively, and then the oil phase part is added to the mixed aqueous phase part with homogenizer treatment and emulsified. The e
  • Example 2 Aqueous ion exchange water Remaining amount of glycerol 8% by mass Butylene glycol 1 Dipropylene glycol 4 Polyacrylic acid 0.05 Potassium hydroxide 0.15 Chino Sorb M 4 Phenoxyethanol 0.35 Buffering agent Suitable amount Stabilizer Suitable amount Oil phase part Stearic acid 2 Glyceryl stearate 2 Olefin oligomer 5 Polyether-modified silicone 2 Stearyl alcohol 1.5 Behenyl alcohol 1.5 Vaseline 2 Microcrystalline wax 3 Diphenylsiloxyphenyl trimethicone 1 Octyl methoxycinnamate 5 Octocrylene 5 Butylmethoxybenzoylmethane 2 Perfume appropriate amount production method: The water phase part and the oil phase part are heated and dissolved at 70 ° C., respectively, and then the oil phase part is added to the mixed aqueous phase part with homogenizer treatment and emulsified. The emulsion is cooled using a
  • the present invention is an invention with high commercial value as a sunscreen cosmetic that is extremely excellent in UV protection effect and usability.

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

Abstract

La présente invention concerne un cosmétique d’écran solaire émulsifié de type huile dans l’eau qui comprend des absorbeurs d’ultraviolet de benzotriazole spécifiques et des absorbeurs d’ultraviolet liposolubles. L’invention concerne un cosmétique d’écran solaire émulsifié de type huile dans l’eau caractérisé en ce que (1) la teneur en huiles est de 20 à 40 % en masse, (2) la teneur en absorbeurs d’ultraviolet de benzotriazole de formule (I) est de 1 à 10 % en masse, (3) il comprend deux, trois ou plusieurs types d’absorbeurs d’ultraviolet liposolubles, (4) et la teneur des deux, trois ou plusieurs types d’absorbeurs d’ultraviolet liposolubles est de 10 à 20 % en masse.
PCT/JP2009/001346 2008-03-27 2009-03-26 Cosmétique d’écran solaire émulsifié de type huile dans l’eau WO2009119090A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-083932 2008-03-27
JP2008083932A JP2009234996A (ja) 2008-03-27 2008-03-27 日焼け止め水中油型乳化化粧料

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WO2009119090A1 true WO2009119090A1 (fr) 2009-10-01

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5568159B1 (ja) * 2013-05-13 2014-08-06 ジェイオーコスメティックス株式会社 水中油型乳化化粧料

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001199831A (ja) * 1999-10-22 2001-07-24 L'oreal Sa 少なくとも１種の微粒化不溶性ｕｖ遮蔽剤と会合性ポリマーを含有するエマルション
JP2004107255A (ja) * 2002-09-18 2004-04-08 Shiseido Co Ltd 水中油型乳化組成物

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004027476A1 (de) * 2004-06-02 2005-12-22 Beiersdorf Ag 2-Phenylehtylbenzoat in kosmetischen Öl-in-Wasser-UV-Lichtschutzemulsionen
KR101380241B1 (ko) * 2007-07-27 2014-04-01 가부시키가이샤 시세이도 수중유형 유화 자외선 차단 화장료

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001199831A (ja) * 1999-10-22 2001-07-24 L'oreal Sa 少なくとも１種の微粒化不溶性ｕｖ遮蔽剤と会合性ポリマーを含有するエマルション
JP2004107255A (ja) * 2002-09-18 2004-04-08 Shiseido Co Ltd 水中油型乳化組成物

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