WO2023057133A1 - Composition anti-pollution contenant de l'acide phénylbenzimidazole sulfonique - Google Patents

Composition anti-pollution contenant de l'acide phénylbenzimidazole sulfonique Download PDF

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Publication number
WO2023057133A1
WO2023057133A1 PCT/EP2022/074074 EP2022074074W WO2023057133A1 WO 2023057133 A1 WO2023057133 A1 WO 2023057133A1 EP 2022074074 W EP2022074074 W EP 2022074074W WO 2023057133 A1 WO2023057133 A1 WO 2023057133A1
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Prior art keywords
composition
weight
skin
sulfonic acid
particulate matter
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PCT/EP2022/074074
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English (en)
Inventor
Anais IBARRA
Thais Leticia ROVIGATTI
Yanel DE MORAL
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Beiersdorf Ag
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Publication of WO2023057133A1 publication Critical patent/WO2023057133A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products 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
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; 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
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/35—Ketones, e.g. benzophenone
    • 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
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • 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
    • A61K8/4946—Imidazoles or their condensed derivatives, e.g. benzimidazoles
    • 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
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/61—Surface treated
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/61—Surface treated
    • A61K2800/62—Coated
    • A61K2800/621—Coated by inorganic compounds
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/61—Surface treated
    • A61K2800/62—Coated
    • A61K2800/623—Coating mediated by organosilicone compounds
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/65—Characterized by the composition of the particulate/core
    • A61K2800/651—The particulate/core comprising inorganic material

Definitions

  • the present invention belongs to the cosmetic field and relates to a specific use of cosmetic ingredients allowing for an effective protection of the human skin from particulate matter by forming by protective layer or conditioning the skin in a way such that particulate matter does less adhere to the skin and can be washed away easily with tap water.
  • a beautiful and attractive appearance is a desire for many people.
  • One typical sign of such an appearance is a healthy and smooth looking skin. Therefore, in order to take care on the skin, it is for many people a daily routine to apply cosmetic products such as body lotions and sunscreen compositions.
  • compositions containing UV-filters are commonly used to protect the skin from the ultraviolet radiation of the sunlight.
  • acute damage severe burn
  • long-term damage such as an increased risk of skin cancer occurs in case of excessive irradiation with light from the UVB range (wavelength: 280-320 nm).
  • the excessive exposure of UVB and UVA radiation (wavelength: 320-400 nm) also leads to a weakening of the elastic and collagen fibers of the connective tissue. This leads to numerous photo-toxic and photo- allergic reactions and results in premature skin ageing.
  • UVA and UVB filters are grouped in the most developed countries in the form of positive lists such as Annex VI of the Regulation (EC) No 1223/2009 of the European Parliament and of the Council.
  • particulate matter is understood as solid matter suspended in the earth’s atmosphere. Sources of particulate matter can be natural or anthropogenic.
  • a special kind of particulate matter are particles from smog, tabacco smoke and flying ash, which appearance may be caused by forest fires, smoking or the exhaust of engines.
  • Such particulate matter usually has a diameter in the range from 0.01 m to 100 pm, wherein smog and tobacco smoke typically cover the range from 0.01 pm to 2.5pm.
  • particulate matter especially from smog and tobacco smoke, may adversely affect the human health. Inhalation of such particles may lead to an increased risk of lung cancer.
  • high concentration of such particulate matter in the air also leads to an increased particle deposition on the skin. The correlation between high concentration of particulate matter in the air and the effect on the skin has recently been evaluated in a number of scientific studies.
  • Cosmetic products are often used to protect the human skin from environmental effects.
  • the US2007/0003536 discloses a method for protecting human skin against oxidizing species and oxidative damages of the skin.
  • the document is addressed to environmental effects, it does not address the easy and effective removal of particulate matter after deposition from the air.
  • the US2002/0192178 discloses a method for protecting the skin against the effects of pollution, comprising the application of a composition which contains an aqueous extract of maize.
  • the extract of the invention is used as a heavy metal-scavening agent.
  • the document does not address the easy and effective removal of particulate matter after deposition from the air.
  • compositions which can be applied to the skin before the exposure to the particulate matter and which allow an easy and effective removal of the deposited material with water after exposure The application of conventional skin care products such as body lotions and creams usually results in the fact that particulate matter deposited on the treated section cannot easily be removed with tap water. In most cases it is necessary to use cleansing formulations including surfactants for an effective removal of the particulate matter. As a result surfactants are unnecessarily released into the sewage system causing higher efforts in the purification process before releasing the water back to the environment.
  • a first object of the invention is the use of phenylbenzimidazol sulfonic acid to protect human skin from pollution, in particular from particulate matter.
  • a further object of the present invention is the use of phenylbenzimidazol sulfonic acid in a cosmetic composition to condition human skin such that particulate matter, which is deposited onto the skin after application of the composition, can (easier) be rinsed off the skin with water.
  • a further object of the invention is a method to protect the human skin from particulate matter and/or pollution involving the following steps i. application of a cosmetic composition comprising phenylbenzimidazol sulfonic acid to the human skin, ii. exposure of the skin to particulate matter from the environment, and iii. washing off the particulate matter deposited from the skin using pure tap water.
  • a cosmetic composition comprising phenylbenzimidazol sulfonic acid to form a protective layer or protective barrier on the human skin, whereby the protective layer or barrier allows particulate matter, which is deposited onto the skin after application of the composition, to be rinsed off the skin with water.
  • a further object of the invention is use of phenylbenzimidazol sulfonic acid in a cosmetic composition to form a protective layer or protective barrier on the human skin, whereby the protective layer or barrier allows particulate matter, which is deposited onto the skin after application of the composition, to be (easier) rinsed off the skin with water.
  • a further object of the invention is use of a cosmetic composition comprising phenylbenzimidazol sulfonic acid to protect human skin from particulate matter upon application of the composition, whereby the phenylbenzimidazol sulfonic acid allows particulate matter, which is deposited onto the skin after application of the composition, to be rinsed off the skin with water.
  • a further object of the invention is use of phenylbenzimidazol sulfonic acid in a cosmetic composition to protect human skin from particulate matter upon application of the composition, whereby the phenylbenzimidazol sulfonic acid allows particulate matter, which is deposited onto the skin after application of the composition, to be rinsed off the skin with water.
  • normal conditions refers to 20°C, 1013 hPa and a relative humidity of 50%.
  • the terms ..according to the invention”, “preferred according to the invention” and so on are always directed to the use according to the invention and to the method according to the invention.
  • the term “free from” means that the proportion of the respective substance is less than 0.05% by weight. This ensures that entrainments or impurities with these substances are not included as “free from” according to the invention.
  • skin refers solely to the human skin.
  • Emulsifiers are understood to be all substances which are listed in the International Cosmetic Ingredient Dictionary and Handbook, Thirteenth Edition 2010, (ISBN 1-882621-47-6) under the name "emulsifying agent”.
  • Surfactants are understood to be all substances which are listed in the International Cosmetic Ingredient Dictionary and Handbook, Thirteenth Edition 2010, (ISBN 1-882621-47-6) under the name "surfactant”.
  • phenylbenzimidazol sulfonic acid allows to form a protective layer or barrier on the human skin which allows particulate matter, which is deposited on that layer or barrier to be easily rinsed off with tab water.
  • phenylbenzimidazol sulfonic acid is contained in a cosmetic composition in a total quantity ranging from 0.1 to 10% by weight, more preferably 0.5 to 8% by weight and most preferably 1.2 to 6% by weight, calculated to the total weight of the composition.
  • phenylbenzimidazol sulfonic acid is applied to the human skin by spreading it, in particular the composition comprising phenylbenzimidazol sulfonic acid, on the human skin.
  • phenylbenzimidazol sulfonic acid is applied to the human skin by spraying it, in particular the composition comprising phenylbenzimidazol sulfonic acid, on the human skin.
  • a cosmetic spray device is preferably used.
  • the spray device is a hand held spray device, comprising: a body comprising a reservoir to house a total fill of material; an actuator comprising an actuator exit orifice; a valve in fluid communication with the actuator exit orifice and the reservoir; a propellant stored in the reservoir, the propellant having a concentration from 30% to 80% by weight of the total fill of materials stored within the reservoir and a cosmetic composition stored in the reservoir, whereby the cosmetic composition comprises phenylbenzimidazol sulfonic acid.
  • the propellant is preferably selected from butane, propane, pentane and nitrogen.
  • the cosmetic composition containing phenylbenzimidazol sulfonic acid is preferably applied using a pump spray device.
  • the cosmetic composition containing phenylbenzimidazol sulfonic acid is an emulsion.
  • Emulsions here in particular W/O, O/W or W/O/W emulsions, are often used as cosmetic or medical preparations.
  • Emulsions are generally understood as meaning heterogeneous systems which comprise two liquids which are immiscible or only miscible with one another to a limited extent, which liquids are normally referred to as phases. In an emulsion, one of the two liquids is dispersed in the other liquid in the form of very fine droplets.
  • O/W emulsion oil in water emulsion
  • the basic character of an O/W emulsion is determined by the water.
  • W/O emulsion water-in-oil emulsion, e.g., butter
  • the principle is reversed, the basic character here being determined by the oil.
  • composition is an oil in water emulsion.
  • the total quantity of the oil phase of in the composition is in the range from 0.9 to 40% by weight, more preferably 1 to 30% by weight, more preferably 1.1 to 25% by weight, more preferably from 1.2 to 20% by weight and most preferably 1.25 to 8.5% by weight, calculated to the total weight of the composition.
  • the interfacial tension is the force which acts on an imaginary line one meter in length at the interface between two phases.
  • the physical unit for this interfacial tension is conventionally calculated from the force/length relationship and is usually expressed in mN/m (millinewtons divided by meters). It has a positive sign if it tends to reduce the interface. In the converse case, it has a negative sign.
  • oils are regarded as polar if their interfacial tension towards water is less than about 20 mN/m, and as nonpolar if their interfacial tension towards water is more than about 30 mN/m. Oils with an interfacial tension towards water between about 20 and about 30 mN/m are generally referred to as moderately polar.
  • the composition comprises at least one oil having an interfacial tension towards water of less than 25 mN/m. Obviously, this oil is always situated in the oil phase according to the invention.
  • the at least one oil which has an interfacial tension towards water of less than 25 mN/m, more preferably less than 20 mN/m, more preferably less than 15 mN/m and most preferably less than 10 mN/m.
  • compositions which are also preferred, are characterized in that the composition does not contain an oil having interfacial tension towards water of more than 25 mN/m.
  • the oil used in the composition is Cocoglycerides, PPG-15 stearyl ether and/or C12-15 Alkyl Benzoate, whereby PPG-15 stearyl ether and Cocoglycerides are most preferred.
  • the total quantity of the oil, which has an interfacial tension towards water of less than 25 mN/m is in the range from 0.5 to 8% by weight, more preferably 1 to 6% by weight, more preferably 1.2 to 5% by weight and most preferably from 1.3 to 4.5% by weight, based on the total weight of the composition.
  • the total quantity of the oil, which has an interfacial tension towards water of less than 20 mN/m is in the range from 0.5 to 8% by weight, more preferably 1 to 6% by weight, more preferably 1.2 to 5% by weight and most preferably from 1.3 to 4.5% by weight, based on the total weight of the composition.
  • the total quantity of the PPG- 15 stearyl ether, Cocoglycerides and/or C12-15 Alkyl Benzoate is in the range from 0.5 to 8% by weight, more preferably 1 to 6% by weight, more preferably 1.2 to 5% by weight and most preferably from 1.3 to 4.5% by weight, based on the total weight of the composition.
  • the total quantity of the PPG-15 stearyl ether is in the range from 0.5 to 8% by weight, more preferably 1 to 6% by weight, more preferably 1.2 to 5% by weight and most preferably from 1.3 to 4.5% by weight, based on the total weight of the composition.
  • the total quantity of the Cocoglycerides is in the range from 0.5 to 8% by weight, more preferably 1 to 6% by weight, more preferably 1.2 to 5% by weight and most preferably from 1.3 to 4.5% by weight, based on the total weight of the composition.
  • the ratio of the total quantity of the emulsifier to the total quantity of the oil phase is in the range from 1 :1 to 1:200, more preferably 1:20 to 1:150, more preferably 1:40 to 1:130 and most preferably 1 :80 to 1:125. It is noted that by definition emulsifier and surfactants are not calculated to the total quantity of the oil phase.
  • the ratio of the total quantity of the emulsifier to the total quantity of the oil phase is in the range from 1 :1 to 1:200, more preferably 1:1.1 to 1 : 150, more preferably 1 : 1.4 to 1 : 130 and most preferably 1 :2 to 1 : 125. It is noted that by definition emulsifier and surfactants are not calculated to the total quantity of the oil phase.
  • preferred emulsifier are nonionic emulsifier. Although, basically all nonionic emulsifier can be contained in the composition of the invention, some emulsifiers were found to be particularly beneficial for the effect described.
  • Preferred nonionic emulsifier are selected from oleth-20, glyceryl stearate, glyceryl stearate SE and PEG-40 hydrogenated castor oil.
  • glyceryl stearate and/or glyceryl stearate SE are particularly preferred.
  • the ratio of the total quantity of the nonionic emulsifier to the total quantity of the oil phase is in the range from 1 :1 to 1 :20, more preferably 1 : 1.1 to 1 : 18, more preferably 1 : 1.2 to 1 : 15 and most preferably 1 : 1.4 to 1 : 13. It is noted that by definition emulsifier and surfactants are not calculated to the total quantity of the oil phase.
  • the total quantity of the nonionic emulsifier selected from oleth- 20, glyceryl stearate, glyceryl stearate SE and PEG-40 hydrogenated castor oil to the total quantity of the oil phase is in the range from 1 : 1 to 1 :20, more preferably 1 : 1.1 to 1 : 18, more preferably 1:1.2 to 1 :15 and most preferably 1 :1.4 to 1:13. It is noted that by definition emulsifier and surfactants are not calculated to the total quantity of the oil phase.
  • the emulsifier are anionic emulsifier, advantageously selected from the group of anionic emulsifier having a hlb value ranging from 8 to 18, in particular from 10 to 15.
  • the ratio of the total quantity of the anionic emulsifier selected from the group of anionic emulsifier having a hlb value ranging from 8 to 18, in particular 10 to 15, to the total quantity of the oil phase is in the range from 1 :1 to 1 :200, more preferably 1:20 to 1:150, more preferably 1:40 to 1:130 and most preferably 1 :80 to 1:125. It is noted that by definition emulsifier and surfactants are not calculated to the total quantity of the oil phase.
  • anionic emulsifier selected from glyceryl stearate citrate, glyceryl citrate and sodium cetearyl sulfate. Accordingly it is also preferred in some embodiments that glyceryl stearate citrate, sodium cetearyl sulfate and/or glyceryl citrate are contained and the ratio of the total quantity of glyceryl stearate citrate, sodium cetearyl sulfate and/or glyceryl citrate to the total quantity of the oil phase is in the range from 1 :1 to 1:200, more preferably 1 :20 to 1:150, more preferably 1:40 to 1 :130 and most preferably 1:80 to 1:125.
  • the comprises anionic and/or nonionic emulsifier, whereby glyceryl stearate citrate, sodium cetearyl sulfate, glyceryl citrate, oleth-20, glyceryl stearate, glyceryl stearate SE and/or PEG-40 hydrogenated castor oil are preferred.
  • the ratio of the total quantity of glyceryl stearate citrate, sodium cetearyl sulfate, glyceryl citrate, oleth-20, glyceryl stearate, glyceryl stearate SE and/or PEG- 40 hydrogenated castor oil to the total quantity of the oil phase is in the range from 1:1 to 1 :200, more preferably 1:20 to 1:150, more preferably 1:40 to 1:130 and most preferably 1 :80 to 1 :125.
  • the emulsifier used is not a fatty acid.
  • Preferred compositions are accordingly characterized in that no fatty acid is contained.
  • Fatty acids are primary acids comprising 10 to 30 carbon atoms.
  • oil phase of the composition comprises further oil and wax compounds, which are preferably characterized in that they have an interfacial tension towards water of at least 25 mN/m.
  • oils of that group are paraffinum liquidum and silicone oils, in particular dimethicone.
  • dimethicone is contained it is preferred if the total amount of dimethicone is limited to 3% by weight, more preferably to 2% by weight.
  • silicone oil is contained it is preferred if the total amount of silicone oils is limited to 3% by weight, more preferably to 2% by weight.
  • paraffinum liquidum is contained it is also preferred the total amount of paraffinum liquidum is limited to 10% by weight, more preferably to 2.5% by weight and most preferably to 1.6% by weight.
  • An embodiment of the present invention that is advantageous according to the invention is characterized in that the composition is a sunscreen.
  • Such an advantageous sunscreen typically offers a high sun protection factor (SPF), e.g. SPF 25.
  • SPPF sun protection factor
  • the UV filters are the substances that are known from Annex VI to Regulation (EC) No. 1223/2009 of the European Parliament and of the Council, including all changes and corrections made until November 1, 2017. Regulation (EC) No. 1223/2009 of the European Parliament and of the Council. The amendments and corrections can be found on the website http://eur-lex.europa.eu/homepage.html.
  • composition comprises preferably at least one additional organic UV filter.
  • compositions according to the invention are advantageously characterized in that the composition comprises one or more organic UV-A filters selected from the group of the compounds 4- (tert-butyl) -4'-methoxydibenzoylmethane and 2- (4'-diethylamino-2 ' - hydroxybenzoyl) -benzoic acid hexyl ester.
  • organic UV-A filter compound 4- (tert-butyl) -4'- methoxydibenzoylmethane is used.
  • the advantageous total use according to the invention for the organic UV-A filter in particular 4- (tert-butyl) -4'-methoxydibenzoylmethane and/or 2- (4'-diethylamino-2'- hydroxybenzoyl) - benzoic acid hexyl ester, is/are from 1 to 5 weight -%, preferably 1.5 to 4.5% by weight, particularly preferably 2 to 4% by weight, based on the total weight of the composition.
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the composition contains one or more organic UV filters selected from the group of the compounds; phenylene-1,4-bis(2-benzimidazyl)-3,3'-5,5'-tetrasulphonic acid salts; 1 ,4-di(2-oxo-10-sulpho-3-bornylidenemethyl)benzene and salts thereof; 4-(2-oxo- 3-bornylidenemethyl)benzenesulphonic acid salts; 2-methyl-5-(2-oxo-3- bornylidenemethyl)sulphonic acid salts; 2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4- (1 , 1 ,3,3-tetramethylbutyl)phenol); 2-(2H-benzotriazol-2-yl)-4-methyl-6-[2-methyl-3-[1 ,3,3,3- tetramethyl-1-[(trimethylsilyl)oxy]d
  • the composition comprises 2-ethylhexyl-2-cyano-3,3- diphenylacrylate (octocrylene), whereby it is further preferred if the total quantity of this substance is in the range from 1 to 10% by weight, preferably 1.5 to 4% by weight, particularly preferably 2 to 3.5% by weight based on the total composition.
  • octocrylene 2-ethylhexyl-2-cyano-3,3- diphenylacrylate
  • some cosmetic compositions of the present invention are preferably free from inorganic UV-filter, especially free from zinc oxide and titanium dioxide. It is especially preferred, if the total quantity of zinc oxide and titanium dioxide in the cosmetic composition of the present invention is less than 0.1% by weight and more preferably 0% by weight, calculated to the total weight of the composition.
  • the cosmetic composition contains phenoxyethanol.
  • the total quantity of phenoxyethanol is preferably in the range from 0.1 % by weight to 2% by weight and more preferably from 0.4% by weight to 1% by weight, calculated to the total weight of the composition.
  • compositions of the present invention are therein characterized that they contain ethylhexylglycerin, whereby it is further preferred if the total quantity of ethylhexylglycerin is in the range from 0.05% to 0.5% by weight.
  • the cosmetic compositions do not contain an alkylparabene such as methyl parabene and/or butyl parabene.
  • the composition comprises at least one polymeric rheology modifier.
  • polymeric rheology modifier is understood as a polymer which increases the viscosity of the composition if added to it.
  • Preferred are the polymeric rheology modifier selected from the group carbomer, xanthan gum and hydroxyethylcellulose. Most preferred are carbomer and/or xanthan gum.
  • the total quantity of the polymeric rheology modifier is preferably in the range from 0.01 to 0.8% by weight, more preferably 0.05 to 0.5% by weight and most preferably 0.15 to 0.4% by weight, calculated to the total weight of the composition.
  • preferred cosmetic compositions are characterized in that they contain ethanol.
  • ethanol is contained in the compositions according to the invention, it if further preferred if the total quantity of ethanol is in the range from 2% by weight to 6% by weight, calculated to the total weight of the composition.
  • the composition comprises glycerol, whereby it is further preferred if the total quantity of glycerol is at least 2% by weight, more preferably at least 2.5% by weight, more preferably at least 3% by weight, more preferably at least 5% by weight, more preferably at least 6% by weight, more preferably at least 7% by weight, more preferably at least 8% by weight, more preferably at least 9% by weight, more preferably at least 10% by weight, more preferably at least 11 % by weight, more preferably at least 12% by weight; and whereby the total quantity of glycerol should not exceed 14% by weight, calculated to the total weight of the composition.
  • the composition comprises at least cetyl alcohol, stearyl alcohol and/or cetearyl alcohol.
  • the total quantity of those substance is preferably in the range from 0.5 to 5% by weight, more preferably from 1 to 2.2% by weight, calculated to the total weight of the composition.
  • the total quantity of water is in the range from 40% to 95% by weight, more preferably from 68% to 93% by weight and most preferably from 70% to 87% by weight, calculated to the total weight of the composition.
  • the cosmetic composition may preferably contain at least one compound selected from the group of limonene, linalool, citral, alpha-isomethylionone and geraniol.
  • Embodiments of the present invention which are advantageous according to the invention are characterized in that the cosmetic composition contains as further ingredients one or more compounds selected from the group of the compounds alpha-lipoic acid, folic acid, phytoene, D-biotin, coenzyme Q10, alpha-glucosylrutin, carnitine, carnosine, natural and I or synthetic isoflavonoids, flavonoids, creatine, creatinine, taurine, p-alanine, tocopheryl acetate, dihydroxyacetone, glycyrrhetinic acid, 8-hexadecene-1, 16-dicarboxylic acid, glycerylglycose, (2-hydroxyethyl) urea and I or licochalcone A.
  • the cosmetic composition contains as further ingredients one or more compounds selected from the group of the compounds alpha-lipoic acid, folic acid, phytoene, D-biotin, coenzyme Q10, alpha-glucosylrut
  • preferred cosmetic compositions of the present invention are therein characterized that they have a viscosity in the range from 800 mPa s to 10000 mPa s, preferably 1500 mPa s to 8000 mPa s and most preferably 2000 mPa s to 6000 mPa s whereby the viscosity is measured using a Brookfield RV viscometer, spindle RV 4, 20 rpm without Helipath, at 20°C ambient temperature and 20°C sample temperature.
  • the cosmetic composition has a pH value in the range from 4.5 to 8.
  • the following methodology was applied to analyze the effective removal of particulate matter after conditioning the skin with a composition followed by the exposure of the skin to particulate matter.
  • a group of participants has been selected for the study.
  • the forearms of the participants were prepared by cleaning them with water, soap and ethanol. Afterwards several sections having a diameter of 2.5 cm were marked on the forearm. In each section 10 pl of one of the emulsions was applied. 30 minutes after application an excessive amount of charcoal powder (vegetable charcoal, 90% below 9.4 pm diameter, 10% below 2.5 pm diameter) was sprinkled over the marked sections ensuring that all sections were fully covered. The excessive amount of charcoal was then removed by flipping the arm 10 times until no further charcoal fell off. To analyze the effectiveness of the removal of charcoal the marked sections were washed by pouring water onto the sections for 10 seconds. Afterwards, the amount of removed charcoal was optically evaluated by an expert panel using a scale ranging from 0 to 100. A value of 100 stands for a full removal of the charcoal. A value of 0 is chosen if the level of charcoal remaining on the skin is equal or worse compared to a skin section on which no emulsion was applied, but which was treated with charcoal as described

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  • Dispersion Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne le domaine cosmétique.
PCT/EP2022/074074 2021-10-05 2022-08-30 Composition anti-pollution contenant de l'acide phénylbenzimidazole sulfonique WO2023057133A1 (fr)

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Citations (7)

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Publication number Priority date Publication date Assignee Title
US20020192178A1 (en) 2001-02-07 2002-12-19 L'oreal Leguminous extract heavy-metal-scavenging anti-pollution agent
US20070003536A1 (en) 2000-11-21 2007-01-04 Zimmerman Amy C Topical skin compositions, their preparation, and their use
US20090035235A1 (en) 2005-04-22 2009-02-05 Olivier Courtin Cosmetic composition for combating the cutaneous consequences of pollution
US7799356B2 (en) * 2003-12-03 2010-09-21 Beiersdorf Ag Cosmetic preparations containing licochalcone A and an organic thickener
FR3074701A1 (fr) * 2017-12-07 2019-06-14 Fareva Dispositif de distribution a deux voies d’un melange biphasique micronise
WO2019192694A1 (fr) * 2018-04-05 2019-10-10 Beiersdorf Ag Écran antipollution
US20200038314A1 (en) * 2016-09-30 2020-02-06 Societe D'exploitation De Produits Pour Les Industries Chimiques Seppic Process for preventing or slowing the appearance of unattractive signs, generated by pollutants present in the atmosphere, on the skin, the scalp, the hair or the mucous membranes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070003536A1 (en) 2000-11-21 2007-01-04 Zimmerman Amy C Topical skin compositions, their preparation, and their use
US20020192178A1 (en) 2001-02-07 2002-12-19 L'oreal Leguminous extract heavy-metal-scavenging anti-pollution agent
US7799356B2 (en) * 2003-12-03 2010-09-21 Beiersdorf Ag Cosmetic preparations containing licochalcone A and an organic thickener
US20090035235A1 (en) 2005-04-22 2009-02-05 Olivier Courtin Cosmetic composition for combating the cutaneous consequences of pollution
US20200038314A1 (en) * 2016-09-30 2020-02-06 Societe D'exploitation De Produits Pour Les Industries Chimiques Seppic Process for preventing or slowing the appearance of unattractive signs, generated by pollutants present in the atmosphere, on the skin, the scalp, the hair or the mucous membranes
FR3074701A1 (fr) * 2017-12-07 2019-06-14 Fareva Dispositif de distribution a deux voies d’un melange biphasique micronise
WO2019192694A1 (fr) * 2018-04-05 2019-10-10 Beiersdorf Ag Écran antipollution

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Title
A. VIERKOTTERT. SCHIKOWSKIU. RANFTD. SUGIRIM. MATSUIU. KRAMERJ. KRUTMANN: "Airborn Particle Exposure and Extrinsic Skin Aging", JOURNAL OF INVESTIGATIVE DERMATOLOGY, vol. 130, 2010, pages 2719 - 2726
DATABASE GNPD [online] MINTEL; 1 July 2021 (2021-07-01), ANONYMOUS: "Protective Face Spray SPF 30", XP093004724, retrieved from https://www.gnpd.com/sinatra/recordpage/8829485/ Database accession no. 8829485 *
DATABASE GNPD [online] MINTEL; 12 January 2021 (2021-01-12), ANONYMOUS: "Anti-Pollution Facial Sunscreen Protector SPF 30", XP093004719, retrieved from https://www.gnpd.com/sinatra/recordpage/8397403/ Database accession no. 8397403 *
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DATABASE GNPD [online] MINTEL; 5 August 2021 (2021-08-05), ANONYMOUS: "The One That's a Serum Day Drops SPF 45", XP093004728, retrieved from https://www.gnpd.com/sinatra/recordpage/8923619/ Database accession no. 8923619 *

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