EP4061312A1 - Composition de protection solaire contenant de la silice pour la protection contre la lumière bleue - Google Patents

Composition de protection solaire contenant de la silice pour la protection contre la lumière bleue

Info

Publication number
EP4061312A1
EP4061312A1 EP20800619.7A EP20800619A EP4061312A1 EP 4061312 A1 EP4061312 A1 EP 4061312A1 EP 20800619 A EP20800619 A EP 20800619A EP 4061312 A1 EP4061312 A1 EP 4061312A1
Authority
EP
European Patent Office
Prior art keywords
preparation
inci
triazine
use according
tris
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20800619.7A
Other languages
German (de)
English (en)
Inventor
Birgit Heitmann
Jorina Kaack
Andreas Bleckmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beiersdorf AG
Original Assignee
Beiersdorf AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beiersdorf AG filed Critical Beiersdorf AG
Publication of EP4061312A1 publication Critical patent/EP4061312A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/025—Explicitly spheroidal or spherical shape
    • 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
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0279—Porous; Hollow
    • 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
    • A61K8/25—Silicon; 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
    • A61K8/30—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
    • 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
    • A61K8/4966—Triazines or their condensed derivatives
    • 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
    • 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
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns

Definitions

  • the present invention relates to a cosmetic preparation containing a) spherical, hollow silica particles with an average particle diameter of 15 to 20 ⁇ m, measured by means of scanning electron microscopy, and b) 2,2'-methylenebis (6- (2H-benzotriazole-2 -yl) -4- (1, 1, 3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) and / or 2,4,6-Tris- (biphenyl) -1, 3,5- triazine (INCI: Tris-Biphenyl Triazine) and the use of a combination of a) spherical, hollow silica particles with an average particle diameter of 15 to 20 ⁇ m, measured by means of scanning electron microscopy and b) 2,2'-methylene-bis- (6 - (2H-benzotriazol-2-yl) -4- (1, 1, 3,3-tetramethylbutyl)
  • UVA and UVB filters are summarized in most industrialized countries in the form of positive lists such as Appendix 7 of the Cosmetics Ordinance.
  • the large number of commercially available sunscreens should not, however, obscure the fact that these prior art preparations have a number of disadvantages.
  • Cosmetic sunscreens usually contain filter substances which absorb and / or reflect electromagnetic radiation in the UV-A and UV-B wavelength range. More recently, so-called “blue light radiation”, i.e. electromagnetic radiation in the wavelength range from 400 to 500 nm, has moved into the focus of research. It has been found that this blue light penetrates deeper into the fluff than UV-A or UV-B radiation and thus represents a danger for all fluff layers. Blue light generates oxidative stress in both the reactive oxygen species (ROS) and the reactive nitrogen species (RNS) in the low tide. It softens the epidermal barrier and damages the extracellular matrix. Flyper pigmentation and the destruction of proteins and lipids can result. All of these effects can lead to premature aging of the skin and, based on these findings, it can also be assumed that the other ingredients of sunscreens (e.g. lipids, antioxidants) themselves are also damaged if they are exposed to blue light radiation.
  • sunscreens e.g. lipids, antioxidants
  • a cosmetic sunscreen containing a) spherical, hollow silica particles with an average particle diameter of 15 to 20 ⁇ m, measured by means of scanning electron microscopy, and b) 2,2'-methylenebis (6- (2H-benzotriazole) -2-yl) -4- (1, 1, 3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) and / or 2,4,6-Tris- (biphenyl) -1, 3 , 5-triazine (INCI: Tris-Biphenyl Triazine).
  • the object is also surprisingly achieved through the use of a combination of a) spherical, hollow silica particles with an average particle diameter of 15 to 20 ⁇ m, measured by means of scanning electron microscopy, and b) 2,2'-methylene-bis- (6- (2H -benzotriazol-2-yl) -4- (1, 1, 3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) and / or 2, 4, 6-Tris- (biphenyl) -1, 3.5- triazine (INCI: Tris-Biphenyl Triazine) in cosmetic preparations for protection against radiation in the wavelength range from 401 to 500 nm.
  • formulations “according to the invention”, “preparation according to the invention” etc. always relate to the preparations and uses according to the invention, i.e. also to preparations in which the use according to the invention is realized.
  • the spherical, hollow silica has a refractive index of 1.1.
  • Conventional silica has a refractive index of 1.47 and thus achieves poorer values.
  • the silica according to the invention is further characterized as being preferred according to the invention if its oil absorption (measured according to JISK-5101 with linseed oil) is 40 to 60 ml / 100 g.
  • the silica according to the invention can, for example, be obtained from JGC Catalysts and Chemicals Ltd. Can be purchased under the trade name "Silica Micro Bead BA-1".
  • the preparation contains the spherical, hollow silica in a concentration of 0.1 to 10% by weight, based on the total weight of the preparation.
  • a concentration of 1 to 5.0% by weight, based on the total weight of the preparation, is preferred according to the invention.
  • the 2,2'-methylenebis (6- (2FI-benzotriazol-2-yl) -4- (1,1,3,3-tetramethylbutyl) phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) and / or 2,4,6-Tris- (biphenyl) -1, 3,5-triazine (INCI: Tris-Biphenyl Triazine) in a total amount from 1 to 20% by weight, based on the total weight of the preparation, is contained in this.
  • the advantageous use concentrations according to the invention for the silica are from 0.1 to 10% by weight and for 2,2′-methylenebis (6- (2H-benzotriazol-2-yl) -4- (1,1 , 3,3-tetramethylbutyl) phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) from 0.1 to 10% by weight, based in each case on the total weight of the preparation.
  • the advantageous use concentrations according to the invention for the silica are from 0.1 to 10% by weight and for 2,4,6-T ris- (biphenyl) -1,3,5-triazine (INCI: Tris-Biphenyl Triazine) from 0.1 to 10% by weight, based in each case on the total weight of the preparation iii) preparations containing spherical, hollow silica particles with an average particle diameter of 15 to 20 ⁇ m, measured by means of scanning electron microscopy and b) 2,2'-methylene bis- (6- (2H-benzotriazol-2-yl) -4- (1, 1, 3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) and 2, 4, 6-Tris- ( biphenyl) -1, 3,5-triazine (INCI: Tris-Biphenyl Triazine).
  • the advantageous use concentrations according to the invention for the silica are from 0.1 to 10% by weight, for 2,2′-methylenebis (6- (2H-benzotriazol-2-yl) -4- (1,1 , 3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) from 0.1 to 10% by weight, and for 2,4,6-tris- (biphenyl) -1,3,5-triazine (INCI: Tris-Biphenyl Triazine) from 0.1 to 10% by weight, based in each case on the total weight of the preparation.
  • 2,2′-methylenebis (6- (2H-benzotriazol-2-yl) -4- (1,1 , 3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) from 0.1 to 10% by weight
  • interference pigments are effect pigments whose effect is based primarily or entirely on interference of light on thin, highly refractive layers. They are characterized by the fact that they produce an angle-dependent color impression, which is referred to as a hue flop.
  • interference pigments preferred according to the invention can be used:
  • the preparation contains titanium dioxide and / or zinc oxide.
  • Titanium dioxide in the rutile crystal structure with a primary particle size of 2-100 nm is used as the titanium dioxide that is advantageous according to the invention.
  • the primary particle size of the titanium dioxide according to the invention is in the range between 5 and 50 nm.
  • Embodiments of the present invention that are advantageous according to the invention are characterized in that the titanium dioxide is coated with silica (silicon dioxide and / or silicic acid).
  • the titanium dioxide coated with silica has a layer of dimethicone, simethicone or methicone on the outer side of the silica layer (i.e. on the side facing away from the titanium dioxide).
  • dimethicone is particularly preferred according to the invention.
  • Particles whose primary particle size is less than 200 nm are preferably used as zinc oxide. According to the invention, it is advantageously coated with triethoxycaprylylsilane.
  • the preparation contains one or more UV filters which are selected from the group of the compounds 2-phenylbenzimidazole-5-sulfonic acid and / or salts thereof; Phenylene-1,4-bis (2-benzimidazyl) -3,3'-5,5'-tetrasulfonic acid salts; 1,4-di (2-oxo-10-sulfo-3-bornylidenemethyl) benzene and its salts; 4- (2-oxo-3-bornylidenemethyl) - benzenesulfonic acid salts; 2-methyl-5- (2-oxo-3-bornylidenemethyl) sulfonic acid salts; 2- (2H-benzotriazol-2-yl) -4-methyl-6- [2-methyl-3- [1,3,3,3-tetramethyl-1 - [(trimethylsilyl) oxy] disiloxanyl] propyl] - phenol; 3-benzylidene camphor; Ethylidene camphor; Eth
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation is in the form of an alcoholic solution or an emulsion.
  • the preparation is in the form of an emulsion and particularly preferably in the form of an O / W emulsion.
  • the preparation according to the invention is in the form of an O / W emulsion, it is advantageously characterized according to the invention in that the preparation has one or more O / W emulsifiers selected from the group of the compounds glyceryl stearate citrate, glyceryl stearate (self-emulsifying), stearic acid, stearate salts, Polyglyceryl-3-methylglycose distearate, sodium cetearyl sulfate, potassium cetyl phosphate, polyglyceryl-10 stearate, sodium stearoyl glutamate.
  • these O / W emulsifiers according to the invention can advantageously be contained in a concentration of 0.001 to 10% by weight and preferably in a concentration of 0.1 to 7% by weight, based on the total weight of the preparation.
  • the preparation contains sodium stearoyl glutamate as an emulsifier.
  • the preparation contains cetyl alcohol, stearyl alcohol and / or glyceryl stearate.
  • the preparation according to the invention is free from polyethylene glycol, polyethylene glycol ethers and polyethylene glycol esters (so-called PEG derivatives).
  • the preparation is 2,2'-methylenebis (6- (2H-benzotriazol-2-yl) -4- (1,1,3,3-tetramethylbutyl) -phenol) (INCI: Methylene Bis-benzotriazolyl tetramethylbutylphenol) and / or 2,4,6-tris- (biphenyl) -1, 3,5-triazine (INCI: Tris-Biphenyl Triazine) in particulate form.
  • Embodiments advantageous according to the invention are further characterized in that the preparation does not contain 3- (4-methylbenzylidene) camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzon), 4-methoxycinnamic acid (2-ethylhexyl) ester, 4-methoxycinnamic acid isoamyl ester and ethylhexyl -2-cyano-3,3-diphenyl acrylate (INCI: Octocrylene), contains no parabens, methylisothiazolinone, chlorphenesin, chloromethylisothiazolinone and DMDM hydantoin.
  • the preparation contains bismuth oxychloride.
  • the preparation according to the invention is hexyl 2- [4- (diethylamino) -2-hydroxybenzoyl] benzoate (INCI: Diethylamino hydroxybenzoyl hexyl benzoate) and / or 4- (tert-butyl) -4'- contains methoxydibenzoylmethane.
  • the preparation contains one or more alkanediols from the group of compounds 1,2-pentanediol, 1,2-hexanediol, 1,2-octanediol, 1,2-decanediol, 2-methyl Contains 1,3-propanediol, ethylhexylglycerin and / or 4-hydroxyacetophenone.
  • the preparation contains tapioca starch and / or silica dimethyl silylate.
  • the embodiments advantageous according to the invention are characterized in that the preparation contains one or more compounds selected from the group of the compounds limonene, citral, linalool, alpha-isomethylionone, geraniol, citronellol, 2-isobutyl-4-hydroxy-4-methyltetrahydropyran , 2-tert-pentylcyclohexyl acetate, 3-methyl-5-phenyl-1-pentanol, 7-acetyl-1, 1, 3,4,4, 6-hexamethyltetralin, adipic acid diester, alpha-amylcinnamaldehyde, alpha-methylionone, amyl C-butylphenylmethylpropionalcinnamal , amyl salicylate, Amylcinnamylalkohol, anisyl alcohol, benzo
  • the preparation according to the invention can moreover be composed like a customary cosmetic sunscreen agent. It has been found to be advantageous if the preparation contains one or more humectants.
  • the preparation according to the invention can advantageously contain humectants.
  • Moisturizers are substances or mixtures of substances which give cosmetic preparations the property of reducing the moisture release of the horny layer (also called transepidermal water loss (TEWL)) and / or the hydration of the skin after application or distribution on the skin surface To positively influence the horny layer.
  • TEWL transepidermal water loss
  • moisturizers for the purposes of the present invention are, for example, glycerol, lactic acid and / or lactates, in particular sodium lactate, butylene glycol, propylene glycol, Biosaccaride Gum-1, Glycine soy, ethylhexyloxyglycerol, pyrrolidone carboxylic acid and urea.
  • polymeric moisturizers from the group of the water-soluble and / or water-swellable and / or water-gellable polysaccharides.
  • hyaluronic acid, chitosan and / or a fucose-rich polysaccharide which is filed in the Chemical Abstracts under the registry number 178463-23-5 and z. B. is available under the name Fucogel®1000 from SOLABIA SA.
  • Moisturizers can also be used advantageously as anti-wrinkle ingredients to protect against skin changes such as those found in B. occur in skin aging, can be used.
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation has one or more oils selected from the group of the compounds butylene glycol dicaprylate / dicaprate, phenethyl benzoate, C12-15 alkyl benzoate, dibutyl adipate; Diisopropyl sebacate, dicaprylyl carbonate, di-C12-13 alkyl tartrates, butyloctyl salicylate, diethylhexyl syringylidene malonate, hydrated castor oil dimerate, triheptanoin, C12-13 alkyl lactate, C16-17, alkyl benzoate, propylheptyl caprylate, diethyl hexiglycer 2,6 caprylate - Contains naphthalate, octyldodecanol, caprylic / capric triglyceride, ethylhexyl cocoate, isopropy
  • the preparation contains dibutyl adipate, butylene glycol dicaprylate / dicaprate and / or C12-C15 alkyl benzoate.
  • the water phase of the preparations according to the invention can advantageously contain customary cosmetic auxiliaries, such as alcohols, in particular those with a low carbon number, preferably ethanol and / or isopropanol or polyols with a low carbon number, and their ethers, preferably propylene glycol, glycerol, electrolytes, self-tanners and, in particular, or more thickeners, which or which can advantageously be selected from the group silicon dioxide, aluminum silicates, polysaccharides or their derivatives, e.g. B. Hy aluronic acid, xanthan gum, hydroxypropylmethyl cellulose, etc ..
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the preparation has one or more compounds selected from the group of compounds alpha-lipoic acid, folic acid, phytoene, D-biotin, coenzyme Q10, alpha-glucosyl rutin, carnitine, carnosine, natural and / or synthetic isoflavonoids, flavonoids, creatine, creatinine, taurine, b-alanine, panthenol, magnolol, honokiol, tocopheryl acetate, dihydroxyacetone; 8-hexadecene-1, 16-dicarboxylic acid, glycerylglycose, (2-hydroxyethyl) urea, vitamin E or its derivatives, hyaluronic acid and / or its salts and / or licochalcone A contains. Comparative experiment
  • phase A little pressure and with circular movements
  • phase B the pressure should now be higher than 150g and spread in four different directions, the finger must be pulled over with a finger cot.
  • the transmission is measured at three different points on the plate (280-600 nm in 1 nm steps).
  • a plate on which glycerine is applied is always the 100% reference plate for comparison.
  • Plexiglass ® WW5 Schondberg GmbH & Co. KG, Germany
  • Measuring device UV / VIS spectrometer Lambda 650 S (PerkinElmer) equipped with 150 mm with integrated sphere.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)

Abstract

L'invention concerne une composition de produit cosmétique de protection solaire contenant a) des particules de silice creuses et sphériques dont le diamètre moyen est compris entre 15 et 20 µm, mesuré par microscopie électronique à balayage, et b) du 2,2'-méthylène bis-(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tétraméthylbutyl)-phénol) (INCI : Méthylène bis-benzotriazolyl tétraméthylbutylphénol) et/ou 2,4,6-tris-(biphényl)-1,3,5- triazine (INCI : Tris-Biphényl Triazine).
EP20800619.7A 2019-11-20 2020-10-30 Composition de protection solaire contenant de la silice pour la protection contre la lumière bleue Pending EP4061312A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019217883.9A DE102019217883A1 (de) 2019-11-20 2019-11-20 Silica enthaltendes Sonnenschutzmittel zum Schutz vor blauem Licht
PCT/EP2020/080508 WO2021099089A1 (fr) 2019-11-20 2020-10-30 Composition de protection solaire contenant de la silice pour la protection contre la lumière bleue

Publications (1)

Publication Number Publication Date
EP4061312A1 true EP4061312A1 (fr) 2022-09-28

Family

ID=73043261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20800619.7A Pending EP4061312A1 (fr) 2019-11-20 2020-10-30 Composition de protection solaire contenant de la silice pour la protection contre la lumière bleue

Country Status (3)

Country Link
EP (1) EP4061312A1 (fr)
DE (1) DE102019217883A1 (fr)
WO (1) WO2021099089A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110033400A1 (en) * 2007-12-14 2011-02-10 Basf Se Sunscreen compositions comprising colour pigments
WO2014010099A1 (fr) * 2012-07-13 2014-01-16 L'oreal Pigment composite et son procédé de préparation
KR101359458B1 (ko) * 2013-05-20 2014-02-10 라끄르와 주식회사 두피용 자외선 차단 조성물
BR112016006580B1 (pt) * 2013-09-30 2020-08-04 Dsm Ip Assets B.V Composições tópicas de protetor solar contendo dióxido de titânio e sílica, uso de esferas de sílica e método de redução do efeito branqueador de um dióxido de titânio
FR3037242B1 (fr) * 2015-06-10 2018-10-19 Acm Composition cosmetique anti-uv et lumiere visible de haute energie
CN109908020A (zh) * 2019-02-22 2019-06-21 曼秀雷敦(中国)药业有限公司 一种防晒组合物、其制备方法及其应用

Also Published As

Publication number Publication date
WO2021099089A1 (fr) 2021-05-27
DE102019217883A1 (de) 2021-05-20

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