EP2512417A2 - Procede de traitement cosmetique impliquant un compose apte a condenser in situ et un agent filtrant les radiations uv - Google Patents
Procede de traitement cosmetique impliquant un compose apte a condenser in situ et un agent filtrant les radiations uvInfo
- Publication number
- EP2512417A2 EP2512417A2 EP10805812A EP10805812A EP2512417A2 EP 2512417 A2 EP2512417 A2 EP 2512417A2 EP 10805812 A EP10805812 A EP 10805812A EP 10805812 A EP10805812 A EP 10805812A EP 2512417 A2 EP2512417 A2 EP 2512417A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- derivatives
- compound
- skin
- filtering agent
- name
- 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.)
- Withdrawn
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Classifications
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
- A61K8/585—Organosilicon compounds
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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
- A61K8/30—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
-
- 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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4933—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having sulfur as an exocyclic substituent, e.g. pyridinethione
-
- 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
- A61K8/67—Vitamins
- A61K8/676—Ascorbic acid, i.e. vitamin C
-
- 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
- A61K8/86—Polyethers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- 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
- A61Q19/002—Aftershave 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
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/88—Two- or multipart kits
- A61K2800/884—Sequential application
Definitions
- the present invention relates to a cosmetic skin treatment method involving a compound, or set of compounds, capable of condensing in situ and a UV radiation filtering agent.
- UVB rays Light radiation with wavelengths between 280 and 400 nm allows the browning of the human epidermis; Wavelength rays between 280 and 320 nm, known as UVB rays, are responsible for skin rashes that can affect the development of tanning.
- UV rays must be filtered and there are currently protective cosmetic compositions of the human epidermis containing organic UV filters, active vis-à-vis the filtration of UVA and UVB radiation.
- UV filters It is known that a relatively large amount of UV filters must be used to achieve a significant level of filtering efficiency against UVA and UVB radiation.
- these UV filters have the following disadvantages when they are formulated at a high rate: instability of the formulations and sensory defects.
- the cosmetic photoprotective compositions see their filtering effectiveness decrease in the conditions of use of solar products due in particular to their low water resistance.
- the Applicant has shown that it is possible to have photoprotective cosmetic compositions with a good level of filtering efficiency obtained using limited levels of UV filters and having a good level of persistence in water. Indeed, the Applicant has discovered that it is possible to form in the superficial layers of the skin or on the skin a condensate conferring on the skin a UV filter capture property. This so-called “capture” layer is formed by in situ condensation of at least one compound or set of compound A which will be described later.
- UV filters to provide a sufficient hooking point for these UV filters to remain in place by immersion in water and in particular water-soluble or water-dispersible filters.
- the filter can react in particular via the capture function but also with one or more reactive groups called "unreacted reaction function intermonomer”.
- a chemical reaction occurs with the formation of covalent bonds or physical bonds (ionic or hydrogen) between the filtering agent and one or more capture functions. This has the effect of modifying the condensate on the skin. It can in particular make it insoluble and by the same to further increase its persistence on the skin (resistance to water, sweat, sebum, ..) while maintaining, see reinforcing, the filtering effectiveness of the filter (s) UV applied.
- An object of the present invention therefore relates to a method of cosmetic treatment of the skin, comprising the application on the skin:
- a filtering agent C filtering UV radiation comprising a reactive function F c capable of forming a covalent bond or a physical bond (ionic, hydrogen bond) by reaction with the function F A.
- the capture layer is formed in situ in the superficial layers of the skin by condensation of a compound or a set of compounds A.
- the subject of the invention is also the use of a compound or set of compounds A capable of being condensed in situ and having at least one free reactive function F A after condensation, as a capture agent on the skin. an agent C filtering UV radiation.
- the subject of the invention is therefore also the use of a compound or set of compounds A capable of being condensed in situ and having at least one free reactive function F A after condensation, for the capture on the skin of a agent C filtering UV radiation comprising a reactive function F c capable of forming a covalent or physical bond (ionic or hydrogen) by reaction with the function F A.
- the material resulting from the condensation of A may be soluble in water, and the filtering agent C may be chosen so that the reaction of said agent C on the material resulting from the A condensation leads to a decrease in the solubility of the material in water.
- the invention therefore relates to a cosmetic skin treatment method, comprising the application on the skin:
- a compound C of cosmetic interest comprising a reactive function F c capable of forming a covalent or physical bond by reaction with the function
- the invention in another aspect, relates to a method for insolubilizing a condensate in the skin, comprising applying to the skin:
- a filtering agent C comprising a reactive function F c capable of forming a covalent or physical bond by reaction with the function F A ,
- the material resulting from the condensation of A being soluble in water, and the filtering agent C being chosen so that the reaction of said compound C on the material resulting from the condensation of A leads to a decrease in the solubility of said material in the water.
- the subject of the invention is also a process for reducing the solubility (or even insolubilizing) on or in the skin of the material resulting from the condensation of a compound or set of compounds A capable of condensing in situ and having at least one free reactive function F A after condensation, said material being soluble in water, comprising the application on said material of a compound C of cosmetic interest comprising a reactive function F c likely to form a chemical bond which may be covalent or in particular ionic physics, by reaction with the function F A , the filtering agent C being chosen so that the reaction of said agent C on the material resulting from the condensation of A leads to a decrease in the solubility of said material in the 'water.
- An object of the invention also relates to a method for obtaining on the skin an insoluble condensate having cosmetic properties, comprising the application on the skin:
- a filtering agent C comprising a reactive function F c capable of forming a covalent or physical bond by reaction with the function F A , the material resulting from the condensation of A being soluble in water, and the filtering agent C being chosen so that the reaction of the said filtering agent C on the material resulting from the condensation of A leads to a decrease in the solubility of said material in water.
- the invention also relates to the use of a filtering agent C for reducing the solubility (or even insolubilization) of a material resulting from the condensation of a compound or set of compounds A capable of being condensed in situ and exhibiting at least one free reactive function F A after condensation, said material being soluble in water, the filtering agent C comprising a reactive function F c capable of forming a covalent or physical bond by reaction with the function F A.
- skin describes the skin or the scalp.
- UV radiation filtering agent is generally meant any compound or combination of compounds which, by known mechanisms of absorption and / or reflection and / or diffusion of UV-A radiation and / or UV-B, prevents, or at least limit, contacting said radiation with a surface (skin, hair,) on which this or these compounds have been applied.
- these compounds can be UV-absorbing organic photoprotective filters or diffusing mineral pigments and / or UV reflectors, as well as their mixtures.
- a compound A capable of condensing in situ is used.
- the compound A must comprise at least two reactive functions: a function allowing the compound A to condense on itself and at least one reactive function F A called capture, or a function leading to the formation of a function F A after condensation.
- a set of compounds A is used.
- This embodiment comprises the implementation of at least two molecules capable of condensing with each other.
- the molecules constituting the set of compounds must comprise one (or more) function (s) allowing condensation of the set A, and one (or more) function (s) allowing the presence of a reactive function F A capture after condensation.
- the function (s) F A is present on only one of the compounds of the set of compounds A.
- the reactive function (s) is present on at least two compounds of the set of compounds.
- a 2 may not contain a capture function.
- the Ai has capture functions, or these appear at the end of the condensation reaction.
- compound A 2 may contain capture functions.
- the compound Ai may contain no capture function.
- the condensation of the set of compounds A can be represented in the following manner.
- a compound set comprising two compounds: A 1 and A 2
- Ai comprises a capture function (compound F A -Ai); not A 2 produces condensation: ... Ai-A 2 -Ai-A 2 -Ai ... A FA FA
- Ai and A 2 include a capture function (identical or different) (compound F A -Ai and compound F ' A -Ai)
- F ' A F' A produces condensation: ... Ai-A 2 -Ai-A 2 -Ai ...
- the method according to the invention comprises:
- an agent C filtering UV radiation comprising a reactive function F C capable of forming a covalent or physical bond by reaction with the function F A.
- condensation and capture functions will be made later with reference to A, which will indifferently denote a compound A or a set of compounds A (for example Ai + A 2 ) described above.
- the capture function (s) must be at least partially free after condensation of A to be able to react with the filtering agent C.
- the capture function (s) may not exist or be in free form in the compound or set of compounds A but appear or become free at the end of its condensation. It may be, for example, primary amine functions that could appear following the action of enzyme naturally present on the skin.
- the free capture functions after condensation must be in a proportion such that F cap t / A> 0.1 and preferably> 0.5, F cap t and A respectively represent the quantities by number of free capture functions after condensation and of molecules of A.
- there exists after condensation at least one free capture function for 10 molecules of A, preferably at least 5 free capture functions.
- the F A capture functions of the compound or set of compounds A are typically chosen from amines and other nucleophilic functions, such as as hydroxyl functions, thiols, sulphates and phosphates. Preferentially, they are amines; preferentially, primary amines.
- the condensation of A can come from the reaction of a nucleophilic species on an electrophilic species.
- the condensation functions are typically those allowing the creation of a bond by elimination of a molecule of water according to the following equation:
- the compounds used are organosilanes.
- the condensation can come from the reaction of a species by tearing out a proton of a second species, in particular according to one of the following equations:
- R-CH CH 2 + HR 'R-CH 2 -CH 2 -R'
- R-CH NH + HR 'R-CH 2 -NH-R'
- R and R ' denote independently of each other any group of atoms, it being understood that the product of the condensation of A must comprise at least one free function F A.
- the condensation is done according to the first alternative described above.
- compound A is an organic silicon compound comprising from 1 to 3 silicon atoms, and at least two hydroxyl or hydrolyzable groups per molecule.
- Compound A is therefore chosen from organosilanes comprising a silicon atom and organosiloxanes comprising two or three silicon atoms, preferably two silicon atoms.
- compound A is an organosilane.
- the compound A may especially be an alkoxysilane, and preferably a functionalized alkoxysilane.
- the set of compounds A may be the mixture of an organic silicon compound as described above (compound Ai) and at least one other compound (compound A 2 ) such as the combination comprising the organic compound of silicon and the compound A 2 is able to condense in situ.
- the compound A (or at least one of the molecules of the set of compounds A) has the formula:
- R 4 represents a halogen, a group OR 'or R'i;
- R 5 represents a halogen, a group OR "or R'2;
- R6 represents a halogen, a group OR '' or R'3;
- R 1, R 2 , R 3, R ', R ", R'", R '1, R' 2, R '3 represent, independently of one another, a linear or branched, saturated or unsaturated hydrocarbon group, optionally bearing additional chemical groups such as acidic or amino groups, wherein R 1, R 2, R ', R “and R'” may further denote hydrogen, and
- R 1, R 2, R ', R "and R'", R ' 1 , R' 2 and R ' 3 represent a C 1 to C 12 alkyl group, an aryl group of C 1 to C C, an alkyl group of C 1 Cs-aryl of Ce to CM, and an aryl group of Ce to Ci 4 alkyl Ci to Cs; and R 3 is preferably an alkyl group of Ci to C12, aryl from Ce to CM alkyl, Ci-Cs-aryl from C6 to d 4, and aryl from C6 to C 4 alkyl Ci-Cs.
- Preferred organosiloxanes in the compositions of the present invention may be represented by the formula:
- Ri, R2, R3, R5 and R 6 are defined as above;
- R ' 4 represents a halogen (fluorine, bromine, chlorine or iodine) or an ORn group;
- R 7 represents a halogen, a group OR10 or R "i;
- R9 represents a halogen, a group ORs, R '2 or R3NR1 R2;
- R "i, R '2, Re, R10 and Ru represent a linear or branched, saturated or unsaturated hydrocarbon group, optionally carrying additional chemical groups such as basic solubilizing groups;
- R11, R10 and R 8 also possibly denoting hydrogen.
- R "1, R '2, R 5 or R 10 and R 5 are C 1 to C 12 alkyl, C 6 to C 4 aryl, C 6 to C 4 alkyl C 1 to C 6 alkyl, and a group C 6 -C 14 aryl-C 1-6 alkyl. At least one of the groups R6, R7 and R 9 is halogen or a group OR "',
- the halogen is chlorine.
- a particularly preferred class of organic silicon compounds is compounds of the formula: in which the R radicals, which are identical or different, are chosen from C 1 -C 6 alkyl radicals such as methyl, ethyl, propyl and butyl, and n is an integer of 1 to 6, preferably of 2 to 4.
- compound A is an alkoxysilane comprising at least one nucleophilic capture function, and in particular ⁇ -aminopropyl triethoxysilane, referred to as APTES in the rest of this text, or a derivative thereof.
- APTES ⁇ -aminopropyl triethoxysilane
- Compound A 2 that may be involved in the process according to the present invention, when a set of compounds A is applied to the skin, may for example satisfy the same definition as compound A given above.
- the compound A 2 can in particular be chosen from molecules having the capacity to form an Si-O-Si bond.
- MTES methyl triethoxysilane
- A is chosen so that condensation occurs only once it has reached the zone where this condensation is to take place.
- compound A can be very reactive, and its condensation can be done on the surface of the skin. Alternatively, the condensation can be done once the compound A has penetrated into the skin in a more or less deep way.
- invention in order to reinforce the resistance of the capture material formed on the skin (resistance to friction, water, sweat, sebum, etc.), it will be used in the process of the invention.
- invention a mixture of compound Ai and A 2 as defined above and in particular a mixture consisting of ⁇ -aminopropyl triethoxysilane (APTES) and methyltriethoxysilane (MTES).
- APTES ⁇ -aminopropyl triethoxysilane
- MTES methyltriethoxysilane
- the weight ratios of A 1 to A 2 will preferably vary from 10/90 to 90/10, and more preferably from 30/70 to 70/30.
- the filtering agents according to the invention are chosen from organic UV filters, mineral filters or their mixtures.
- Organic UV filters are especially chosen from cinnamic derivatives; anthranilates; salicylic derivatives, dibenzoylmethane derivatives, camphor derivatives; hydroxyphenyl benzophenone derivatives; derivatives of ⁇ , ⁇ -diphenylacrylate; triazine derivatives; benzotriazole derivatives; benzalmalonate derivatives including those cited in US5624663; benzimidazole derivatives; imidazolines; bis-benzoazolyl derivatives as described in patents EP669323 and US 2,463,264; p-aminobenzoic acid derivatives (PABA); methylene bis (hydroxyphenyl benzotriazole) derivatives as described in US5, 237,071, US 5,166,355, GB2303549, DE 197 26 184 and EP8931 19; benzoxazole derivatives as described in patent applications EP0832642, EP
- Ethylhexyl methoxycinnamate sold in particular under the trade name PARSOL MCX by DSM NUTRITIONAL PRODUCTS
- Ethylhexyl Dimethyl PABA sold in particular under the name "ESCALOL 507" by ISP,
- Ethylhexyl salicylate sold under the name "NEO HELIOPAN OS” by Symrise Dipropylene Glycol Salicylate sold under the name “DIPSAL” by SCHER, TEA Salicylate, sold under the name “NEO HELIOPAN TS” by Symrise, Derivatives of ⁇ , ⁇ -diphenylacrylate:
- Etocrylene sold in particular under the trade name "UVINUL N35" by BASF, hydroxyphenyl benzophenone derivatives:
- UVINUL D50 Benzophenone-2 sold under the trade name "UVINUL D50" by BASF
- Benzophenone-3 or Oxybenzone sold under the trade name "UVINUL M40" by BASF,
- Benzophenone-4 sold under the trade name "UVINUL MS40" by BASF, Benzophenone-5
- Benzophenone-8 sold under the trade name "Spectra-Sorb UV-24" by American Cyanamid
- Phenylbenzimidazole Sulfonic Acid sold in particular under the trade name "Eusolex 232" by Merck,
- Drometrizole Trisiloxane sold under the name “Silatrizole” by Rhodia Chimie, methylene bis-benzot azolyl tetramethylbutylphenol, sold in solid form under the trade name "MIXXIM BB / 100” by FAIRMOUNT CHEMICAL or in micronized form in aqueous dispersion under the trade name "TINOSORB” M "by CIBA SPECIALTY CHEMICALS,
- Triazine derivatives Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine sold under the trade name "TINOSORB S" by CIBA GEIGY,
- Ethylhexyl triazone sold in particular under the trade name Uvinul T150 by BASF,
- UVASORB HEB Diethylhexylbutamido triazone sold under the trade name "UVASORB HEB” by SIGMA 3V,
- Polyorganosiloxane with benzalmalonate functions such as Polysilicone-15 sold under the trade name "PARSOL SLX" by DSM NUTRITIONAL PRODUCTS
- the preferred organic screening agents are selected from:
- the inorganic UV filters used in accordance with the present invention are metal oxide pigments. More preferably, the inorganic UV filters of the invention are metal oxide particles having an average element particle size of less than or equal to 500 nm, more preferably between 5 nm and 500 nm, and even more preferentially between 10 nm. and 100 nm, and preferably between 15 and 50 nm.
- They may be chosen in particular from oxides of titanium, zinc, iron, zirconium, cerium or their mixtures.
- Such metal oxide pigments, coated or uncoated are in particular described in patent application EP-A-0 518 773.
- commercial pigments can be mentioned the products sold Kemira, Tayca, Merck and Degussa.
- the metal oxide pigments may be coated or uncoated.
- the coated pigments are pigments which have undergone one or more surface treatments of a chemical, electronic, mechanochemical and / or mechanical nature with compounds such as amino acids, beeswax, fatty acids, fatty alcohols, anionic surfactants, lecithins, sodium, potassium, zinc, iron or aluminum salts of fatty acids, metal alkoxides (of titanium or aluminum), polyethylene, silicones, proteins (collagen, elastin) , alkanolamines, silicon oxides, metal oxides or sodium hexametaphosphate.
- a chemical, electronic, mechanochemical and / or mechanical nature such as amino acids, beeswax, fatty acids, fatty alcohols, anionic surfactants, lecithins, sodium, potassium, zinc, iron or aluminum salts of fatty acids, metal alkoxides (of titanium or aluminum), polyethylene, silicones, proteins (collagen, elastin) , alkanolamines, silicon oxides, metal oxides or sodium he
- coated pigments are more particularly coated titanium oxides:
- silica such as the product "SUNVEIL” from the company IKEDA,
- silica and iron oxide such as the product "SUNVEIL F” from the company IKEDA
- silica and alumina such as the products “MICROTITANIUM DIOXIDE MT 500 SA” and “MICROTITANIUM DIOXIDE MT 100 SA” from the company TAYCA, "TIOVEIL” from the company TIOXIDE,
- alumina such as the products "TIPAQUE TTO-55 (B)” and “TIPAQUE TTO-55 (A)” from the company ISHIHARA, and "UVT 14/4" from the company KEMIRA,
- silica, alumina and alginic acid such as the product "MT-100 AQ" from the company Tayca,
- alumina and aluminum laurate such as the product "MICROTITANIUM DIOXIDE MT 100 S” from TAYCA,
- iron oxide and iron stearate such as the product "MICROTITANIUM DIOXIDE MT 100 F” from the company TAYCA,
- silica and alumina and treated with a silicone such as the products "MICROTITANIUM DIOXIDE MT 600 SAS", “MICROTITANIUM DIOXIDE MT 500 SAS” or “MICROTITANIUM DIOXIDE MT 100 SAS” from the company TAYCA,
- silica and treated with a silicone such as the product "UV-TITAN X 195" from KEMIRA,
- triethanolamine such as the product "STT-65-S” from TITAN KOGYO,
- stearic acid such as the product "TIPAQUE TTO-55 (C)" from ISHIHARA,
- sodium hexametaphosphate such as the product "MICROTITANIUM DIOXIDE MT 150 W” from the company TAYCA.
- Uncoated titanium oxide pigments are for example sold by the company Tayca under the trade names "MICROTITANIUM DIOXIDE MT 500 B” or “MICROTITANIUM DIOXIDE MT600 B", by the company DEGUSSA under the name “P 25”, by the WACKHER company under the name “transparent titanium oxide PW”, by MIYOSHI KASEI under the name “UFTR”, by TOMEN under the name "ITS” and by the company TIOXIDE under the name "TIOVEIL AQ”.
- Nanogard WCD 2025 those marketed under the name “Nanogard WCD 2025” by Nanophase Technologies;
- coated zinc oxide pigments are, for example:
- Zinc Oxide CS-5" those marketed under the name "Zinc Oxide CS-5" by the company Toshibi (ZnO coated with polymethylhydrogenosiloxane);
- Nanogard Zinc Oxide FN those marketed under the name “Nanogard Zinc Oxide FN” by Nanophase Technologies (as a 40% dispersion in Finsolv TN, C12-C15 alcohol benzoate);
- Nanox Gel TN those marketed under the name "Nanox Gel TN” by Elementis (ZnO dispersed at 55% in C12-C15 alcohols benzoate with hydroxystearic acid polycondensate).
- Uncoated cerium oxide pigments may be, for example, those sold under the name "COLLOIDAL CERIUM OXIDE” by the company RHONE POULENC.
- Uncoated iron oxide pigments are for example sold by ARNAUD under the names "NANOGARD WCD 2002 (FE 45B)", “NANOGARD IRON FE 45 BL AQ”, “NANOGARD FE 45R AQ,” NANOGARD WCD 2006 ( FE 45R) ", or by the company MITSUBISHI under the name” TY-220 ".
- coated iron oxide pigments are for example sold by ARNAUD under the names "NANOGARD WCD 2008” (FE 45B FN) ",” NANOGARD WCD 2009 (FE 45B 556) ",” NANOGARD FE 45 BL 345 “,” NANOGARD FE 45 BL “, or by the company BASF under the name” OXIDE OF CLEAR IRON ".
- titanium oxides in particular titanium dioxide and cerium dioxide, including the titanium dioxide / silica-coated cerium-aluminum alloy mixture sold by the company IKEDA under the name "SUNVEIL A”.
- TiOIL A titanium dioxide / silica-coated cerium-aluminum alloy mixture sold by the company IKEDA under the name "SUNVEIL A”.
- TiOIL A titanium dioxide / silica-coated cerium-aluminum alloy mixture sold by the company IKEDA under the name "SUNVEIL A”.
- titanium dioxide and zinc dioxide coated with alumina, silica and silicone such as the product” M 261 "sold by the company KEMIRA or coated with alumina, silica and glycerin such as that the product "M 21 1” sold by KEMIRA.
- titanium oxide pigments, coated or uncoated are particularly preferred.
- the filtering agents are water-soluble or water-dispersible, and generally chosen from organic screening agents having one or more anionic functions, preferably sulphonates or carboxylates.
- UV water-soluble or water-dispersible filter means any UV radiation filtering agent capable of being completely dissolved in the molecular state in the aqueous phase of the composition or of being solubilized under colloidal form (for example in micellar form) in the aqueous phase of the composition.
- chromophores such as 4-aminobenzoic acid (PABA), ferrulic acid, cinnamic acid, salicylic acid, benzimidazole, benzylidene camphor or benzophenone.
- Benzophenone-4 sold under the trade name "UVINUL MS40" by BASF,
- the method according to the invention comprises:
- a water-soluble or water-dispersible UV filter comprising a reactive function F c capable of forming an ionic bond (in particular carboxylate or sulphonate) by reaction with the function F A.
- the filtering agent (s) are generally present in proportions ranging from 0.1 to 15% by weight and preferably from 0.2 to 10% by weight and more preferably from 1 to 6% by weight relative to the total weight of the composition.
- the compound A (or the set of compounds A) and the filtering agent C are chosen as a function of the property (or properties) which it is desired to confer on the skin.
- the process according to the invention comprises the application on the skin of a compound or set of compounds A which can condense, in particular when it is subjected to an increase in concentration obtained by evaporation of the medium containing it.
- the compound or set of compounds A therefore has reactive functions to allow this condensation, as mentioned above.
- This condensation results in the formation of a deposit on the skin.
- This deposit is not necessarily continuous but may consist of a multitude of related fields.
- the compound A is chosen so that the material resulting from its condensation has reactive functions called "free capture functions".
- the filtering agent C is also applied to the skin.
- the filtering agent C can react with the product of the condensation of A, via the free capture function F A after condensation, and a function F c present on the filtering agent C.
- the process according to the invention comprises the sequential application of the filtering agent C.
- the compound A (or the set of compounds A) is first applied to an area of the skin. Then, after a longer or shorter time which can be between 1 minute and 5 hours, preferably from 1 minute to 1 hour, even more preferably between 2 and 10 minutes, the filtering agent C is applied to the same zone. skin.
- the condensation of the compound A may have occurred spontaneously, or was triggered, before the application of the filtering agent C.
- the filtering agent C can then react on the condensate through the free capture function (s) on the condensate.
- the filtering agent C can also react with one or more reactive functions different from the capture functions, in particular with reactive functions that could have participated in the reaction of A with itself but unreacted.
- the filtering agent C can react on the capture function as well as on uncondensed silanols of the condensate.
- a chemical reaction then takes place, with formation of covalent or physical bonds between the filtering agent C and one or more reactive functions, more particularly with the capture functions F A present on the condensate of the compound A or of the set of compounds A
- This reaction can in particular render the condensate insoluble and thus further increase its persistence on and / or in the skin (resistance to water, sweat, sebum, etc.) while maintaining, or even reinforcing, the filtering properties conferred by the filtering agent C.
- the invention can be implemented with the use of processes accelerating or inhibiting the reactions used in the invention, for example heat or cold, microwaves, pH agents or catalysts.
- the compound A is first applied and then the condensation reaction of A is expected to take place. This may be fast or slow, whether or not to involve drying the skin, whether or not to involve activation with, for example, use of a heat source or other energy source.
- the filtering agent C can be applied, or rinsing then applying the filtering agent C.
- the filtering agent C can be allowed to react with the material resulting from the condensation of A. It is also possible to activate the reaction between A and C. After reaction between A and C, rinsed or not.
- the compound A is applied in a form or under conditions that do not allow the condensation reaction.
- Compound A is expected to enter.
- the reaction is triggered, either by adding an adjuvant (for example a pH agent) or by changing the conditions, for example by changing the temperature (in particular by increasing it).
- an adjuvant for example a pH agent
- the filtering agent C is applied as before.
- the compound A or the set of compounds is applied, then the filtering agent C is applied under conditions where the capture reaction can not take place. The condensation takes place. Once condensation begins, the reaction of the filtering agent C on the condensate of A.
- the compounds A and C are mixed before application to the skin (extemporaneous mixture). This mixture can be done before application or during application on the skin (mixture directly on the area of the skin to be treated).
- the compound A (or the set of compounds A) and the filtering agent C can therefore be applied concomitantly. In that case,
- the compounds A and filtering agent C are chosen so that the presence of C does not prevent the condensation of A;
- the compounds A and filtering agent C and / or the operating conditions are chosen so that the condensation of A is faster than the reaction of C;
- the compound A can condense while the filtering agent C can not react.
- the reaction of the filtering agent C is triggered by a subsequent action or automatically, for example by changing pH, temperature or by applying a light source.
- the result of the condensation of A on the skin is applied.
- a film of poly APTES can be applied.
- Filtering agent C is then applied.
- filtering agent C is applied first and then compound A is applied.
- reactions can be accelerated by the use of suitable catalysts, for example pH agents, salts, metals and / or enzymes.
- suitable catalysts for example pH agents, salts, metals and / or enzymes.
- the subject of the present invention is also the joint use of a cosmetic composition containing an effective amount of a compound A capable of condensing in situ on the skin and of a cosmetic composition containing an effective amount of a filtering agent C which will react with one or more free reactive functions of the material resulting from the condensation of compound A.
- Compound A, or the set of compound A, and filtering agent C may be formulated in compositions containing a physiologically acceptable medium.
- compositions may be in any of the galenic forms conventionally used in the intended application.
- those skilled in the art will take care to choose the components and any additional ingredients and / or active agents, and / or their quantity, in such a way that the advantageous properties of the compound A (or of the set of compounds A) and of the the filtering agent C, are not, or not substantially, altered by the addition envisaged.
- compositions used according to the invention are aqueous compositions.
- compositions comprising the filtering agent C used for the photoprotection of the skin may be prepared according to the techniques well known to those skilled in the art. It should be noted that the galenic and active forms described below can be used for the formulation of compound A.
- compositions used according to the invention may comprise conventional cosmetic adjuvants, chosen especially from fatty substances, organic solvents, ionic or nonionic thickeners, hydrophilic or lipophilic thickeners, softeners, humectants, opacifiers, stabilizers, emollients, silicones, anti-foam agents, perfumes, preservatives, anionic, cationic, nonionic, zwitterionic or amphoteric surfactants, actives, fillers, polymers, propellants, basifying or acidifying agents or any another ingredient usually used in the cosmetic and / or dermatological field.
- cosmetic adjuvants can indifferently be incorporated in the composition containing A, in the composition containing the filtering agent C, or in both compositions.
- the fatty substances may consist of an oil or a wax other than the apolar waxes as defined above or mixtures thereof.
- oil is meant a liquid compound at room temperature.
- wax is meant a compound that is solid or substantially solid at room temperature and whose melting point is generally greater than 35 ° C.
- oils mention may be made of mineral oils (paraffin); vegetable (sweet almond oil, macadamia oil, blackcurrant seed oil, jojoba oil); synthetic such as perhydrosqualene, alcohols, fatty amides (such as isopropyl lauroyl sarcosinate sold under the name "Eldew SL-205" by the company Ajinomoto), acids or fatty esters such as benzoate C12 alcohols -C15 sold under the trade name "Finsolv TN" or "Witconol TN” by the company WITCO, 2-ethylphenyl benzoate as the commercial product sold under the name X-TEND 226® by the company ISP, octyl palmitate isopropyl lanolate, diisopropyl sebaccate sold under the name of Dub Dis by Stearinerie Dubois, triglycerides including those of capric / caprylic acids, dicaprylyl carbonate sold under the name "Ce
- waxy compounds mention may be made of carnauba wax, beeswax, hydrogenated castor oil, polyethylene waxes and polymethylene waxes, such as that sold under the name Cirebelle 303 by the company SASOL.
- organic solvents mention may be made of lower alcohols and polyols. These can be selected from glycols and glycol ethers such as ethylene glycol, propylene glycol, butylene glycol, dipropylene glycol or diethylene glycol.
- hydrophilic thickeners mention may be made of carboxyvinyl polymers such as Carbopols (Carbomers) and Pemulen (acrylate / C10-C30-alkylacrylate copolymer); polyacrylamides, for example crosslinked copolymers sold under the names Sepigel 305 (CTFA name: polyacrylamide / C13-14 isoparaffin / Laureth 7) or Simulgel 600 (CTFA name: acrylamide / sodium acryloyldimethyltaurate copolymer / isohexadecane / polysorbate 80) by the company Seppic ; polymers and copolymers of 2-acrylamido-2-methylpropanesulphonic acid, optionally crosslinked and / or neutralized, such as poly (2-acrylamido-2-methylpropanesulphonic acid) marketed by the company Clariant under the trade name "Hostacerin AMPS" (name CTFA: ammonium polyacryloyldimethyl taurate or SIMULG
- lipophilic thickeners of synthetic polymers such as the poly C10-C30 alkyl acrylates sold under the name "IP1 13 INTELIMER” and "INTELIMER IPA 13-6" by the company Landec or the clays such as hectorite and its derivatives, such as products marketed under the name Bentone.
- compositions used for the photoprotection or care of the skin according to the invention may be prepared according to the techniques well known to those skilled in the art. . They may be in particular in the form of an emulsion, simple or complex (O / W, W / O, O / W / H or W / O / W) such as cream, milk or cream gel ; in the form of an aqueous or oily gel; in the form of a lotion. They may optionally be packaged in aerosol and be in the form of foam or spray.
- compositions used according to the invention are in the form of an oil-in-water or water-in-oil emulsion or an aqueous gel.
- the emulsification processes that can be used are of the pale type or helix, rotor-stator and H H P.
- HHP between 50 and 800b
- the emulsions generally contain at least one emulsifier chosen from amphoteric, anionic, cationic or nonionic emulsifiers, used alone or as a mixture.
- the emulsifiers are suitably selected according to the emulsion to be obtained (W / O or O / W).
- emulsifying surfactants that may be used for the preparation of W / O emulsions, mention may be made, for example, of alkyl esters or ethers of sorbitan, of glycerol or of sugars; silicone surfactants such as dimethicone copolyols such as the mixture of cyclomethicone and dimethicone copolyol, sold under the name "DC 5225 C” by the company Dow Corning, and alkyl dimethicone copolyols such as Laurylmethicone copolyol sold under the name "Dow Corning 5200 Formulation Aid "by Dow Corning; cetyl dimethicone copolyol such as the product sold under the name Abil EM 90R by Goldschmidt and the mixture of cetyl dimethicone copolyol, polyglycerol isostearate (4 moles) and hexyl laurate sold under the name Abil We O9 by the company Goldschmidt
- Polyol alkyl esters that may especially be mentioned include polyethylene glycol esters such as PEG-30 dipolyhydroxystearate, such as the product sold under the name Arlacel P135 by the company ICI.
- polyglycerol and / or sorbitan esters that may be mentioned are polyglycerol isostearate, such as the product sold under the name Isolan Gl 34 by the company Goldschmidt; sorbitan isostearate, such as the product sold under the name Arlacel 987 by the company ICI; sorbitan isostearate and glycerol, such as the product sold under the name Arlacel 986 by the company ICI, and mixtures thereof.
- emulsifiers of nonionic emulsifiers such as oxyalkylenated (more particularly polyoxyethylenated) fatty acid esters of glycerol; oxyalkylenated fatty acid and sorbitan esters; oxyalkylenated fatty acid esters (oxyethylenated and / or oxypropylenated) such as PEG-100 Stearate / Glyceryl Stearate sold, for example, by the company ICI under the name Arlacel 165; oxyalkylenated fatty alcohol ethers (oxyethylenated and / or oxypropylenated); sugar esters such as sucrose stearate; fatty alcohol and sugar ethers, especially alkylpolyglucosides (APG) such as decylglucoside and laurylglucoside sold, for example, by Henkel under the respective names Plant
- APG alkylpolyglucosides
- the mixture of the alkylpolyglucoside as defined above with the corresponding fatty alcohol may be in the form of a self-emulsifying composition, as described, for example, in WO- A-92/06778.
- the aqueous phase thereof may comprise a nonionic vesicular dispersion prepared according to known methods (Bangham, Standish and Watkins, J. Mol Biol 13, 238 (1965)). FR 2 315 991 and FR 2 416 008).
- the cosmetic compositions used according to the invention may for example be used as a care product and / or sun protection for the face and / or the body of liquid to semi-liquid consistency, such as milks, creams, or more. less creamy, gel-creams, pasta. They may optionally be packaged in aerosol and be in the form of foam or spray.
- compositions according to the invention in the form of vaporizable fluid lotions according to the invention are applied to the skin or the scalp in the form of fine particles by means of pressurizing devices.
- the devices according to the invention are well known to those skilled in the art and include non-aerosol pumps or "atomizers", aerosol containers comprising a propellant and aerosol pumps using compressed air as a propellant. These are described in US Pat. Nos. 4,077,441 and 4,850,517 (which forms an integral part of the content of the description).
- the aerosol-conditioned compositions in accordance with the invention generally contain conventional propellants such as, for example, hydrofluorinated compounds, dichlorodifluoromethane, difluoroethane, dimethyl ether, isobutane, n-butane, propane and trichlorofluoromethane. They are present preferably in amounts ranging from 15 to 50% by weight relative to the total weight of the composition.
- propellants such as, for example, hydrofluorinated compounds, dichlorodifluoromethane, difluoroethane, dimethyl ether, isobutane, n-butane, propane and trichlorofluoromethane.
- compositions used according to the invention may also comprise, in addition, additional cosmetic and dermatological active ingredients.
- vitamins (A, C, E, K, PP) and their derivatives or precursors, alone or in mixtures,
- Moisturizing agents such as polyols such as glycerin, butylene glycol, propylene glycol.
- composition may also comprise at least one ingredient such as blooming fillers or agents promoting the natural coloration of the skin, intended to complete the biological effect of these active ingredients or provide an immediate visual anti-aging effect.
- at least one active agent selected from desquamating agents, sebum-regulating or anti-seborrhoeic agents, and astringent agents.
- compositions used according to the invention may also comprise at least one additional ingredient intended to complete the biological effect of these active ingredients or to provide an immediate visual effect; mention may in particular be made of matting agents, blooming fillers, fluorescent agents, agents promoting the naturally rosy coloration of the skin and abrasive or exfoliating fillers.
- compositions of the invention To complement and / or optimize the effects conferred by the cosmetic and / or dermatological active agents mentioned above on keratin materials, it may be advantageous to incorporate other additional ingredients in the compositions of the invention.
- these additional ingredients may confer an immediate visual effect that will be relayed by the biological effect of the assets mentioned above. They can also, through a mechanical action (eg abrasvies), amplify the effect of the biological assets mentioned above.
- matting agent agents intended to make the skin visibly duller, less glossy.
- the matting effect of the agent and / or of the composition containing it can in particular be evaluated using a gonioreflectometer, by measuring the ratio R between the specular reflection and the diffuse reflection.
- a value of R less than or equal to 2 generally reflects a matting effect.
- the matting agent may especially be chosen from a rice starch or a corn starch INCI name: ZEA MAYS (CORN) STARCH as in particular the product sold under the trade name "FARMAL CS 3650 PLUS 036500" by National Starch, kaolinite talc, pumpkin seed extract, cellulose microbeads, vegetable fibers, synthetic fibers, in particular polyamides, expanded acrylic copolymer microspheres, polyamide powders, silica powders, polytetrafluoroethylene powders , silicone resin powders, acrylic polymer powders, wax powders, polyethylene powders, elastomeric crosslinked organopolysiloxane powders coated with silicone resin, talc / titanium dioxide / alumina / silica composite powders mixed amorphous silicate powders, silicate particles, and especially mixed silicate particles, and mixtures thereof.
- mattifying agents examples include:
- starch from rice or maize, in particular starch octenyl succinate aluminum sold under the name Dry Flo® by the company National Starch,
- - fibers such as silk, cotton, wool, flax, cellulose fibers extracted in particular from wood, vegetables or algae, polyamide (Nylon®), modified cellulose, poly-p-phenylene terephtamide, acrylic, polyolefin, glass, silica, aramid, carbon, Teflon®, insoluble collagen, polyesters, polyvinyl chloride or vinylidene, polyvinyl alcohol, polyacrylonitrile, chitosan , polyurethane, polyethylene phthalate, fibers formed from a mixture of polymers, synthetic resorbable fibers, and mixtures thereof described in patent application EP 1 151 742;
- microspheres of expanded acrylic copolymers such as those sold by Expancel under the names Expancel 551®,
- Polyamide (Nylon®) powders such as, for example, Arkema's Orgasol type nylon 12 particles having a mean size of 10 microns and a refractive index 1, 54,
- silica powders such as Miyoshi Silica beads SB150 of average size 5 microns and refractive index 1, 45,
- polytetrafluoroethylene powders such as Clariant ceridust 9205F PTFE of average size 8 microns and refractive index 1, 36,
- silicone resin powders such as GE Silicone Silicon resin Tospearl 145A having a mean size of 4.5 microns and a refractive index of 1.41,
- acrylic copolymers in particular of methyl poly (meth) acrylate, such as PMMA Jurymer MBI particles of Nihon Junyoki having an average size of 8 microns and a refractive index of 1.49, or Micropearl M100® and F80 particles; ED® from the company Matsumoto Yushi-Seiyaku,
- wax powders such as Paraffin wax microease particles 1 14S of micropowders of average size 7 microns and refractive index 1, 54,
- polyethylene powders especially comprising at least one ethylene / acrylic acid copolymer, and in particular consisting of ethylene / acrylic acid copolymers such as the Sumitomo Flobeads EA 209 particles (of average size 10 microns and refractive index 1, 48 )
- talc / titanium dioxide / alumina / silica composite powders such as those sold under the name Coverleaf® AR-80 by the company Catalyst & chemicals,
- silica powders such as, for example, the porous silica microspheres sold under the name "SILICA BEADS SB-700” marketed by the MYOSHI company, the "SUNSPHERE® H51", “SUNSPHERE® H33", “SUNSPHERE® H53” marketed by ASAHI GLASS; polydimethylsiloxane-coated amorphous silica microspheres sold under the name "SA SUNSPHERE® H-33” and "SA SUNSPHERE® H-53” marketed by the company ASAHI GLASS;
- amorphous mixed silicate powders in particular aluminum and magnesium, such as, for example, that marketed under the name “NEUSILIN UFL2" by the company Sumitomo.
- polyamide powders for example "ORGASOL® 4000” marketed by Arkema, and
- acrylic polymer powders in particular polymethyl methacrylate, for example "COVABEAD® LH85” marketed by WACKHERR; polymethyl methacrylate / ethylene glycol dimethacrylate, such as, for example, “DOW CORNING 5640 MICROSPONGE® SKIN OIL ADSORBER” marketed by Dow Corning, or “Ganzpearl® GMP-0820” marketed by Ganz Chemical; allyl polymethacrylate / ethylene glycol dimethacrylate, such as for example "POLY-PORE® L200" or “POLY-PORE® E200” marketed by AMCOL; ethylene glycol dimethacrylate / lauryl methacrylate copolymer, such as, for example, "POLYTRAP® 6603" marketed from Dow Corning;
- silicate particles such as alumina silicate
- mixed silicate particles such as:
- magnesium aluminum silicate particles such as saponite or magnesium aluminum silicate, hydrated with a sodium sulphate marketed under the trade name Sumecton® by the company Kunimine;
- magnesium silicate complex hydroxyethylcellulose, black cumin oil, pumpkin oil and phospholipids or Matipure® by Lucas Meyer, and
- an extract of pumpkin seeds a rice or maize starch, kaolinite, silicas, talc, polyamide powders, polyethylene powders and copolymer powders. acrylics, microspheres of expanded acrylic copolymers, silicone resin microbeads, mixed silicate particles and mixtures thereof.
- These fillers can be any material capable of modifying the wrinkles by its intrinsic physical properties and of masking them. These fillers can in particular modify the wrinkles by a tightening effect, a camouflage effect, or a blurring effect.
- porous silica microparticles for example Myochi Silica Beads® SB 150 and SB 700 of medium size 5 ⁇ and SUNSPHERES® H series of Asahi Glass, such as H33, H51 of size of 3.5 and 5 ⁇ respectively; .
- silicone resins such as Takemoto Oil and Fat's NLK 500®, NLK 506® and NLK 510®, in particular described in EP-A-1579849, silicone resin powders such as, for example, SILICON Resin Tospearl® 145 A of GE silicone with a mean size of 4.5 ⁇ .
- acrylic copolymers in particular of methyl poly (meth) acrylate, for instance PMMA Jurimer MBI® particles of Nihon Junyoki with a mean size of 8 ⁇ , the hollow spheres of PMMA sold under the name COVABEAD® LH 85 by the company Wackherr and expanded vinylidene / acrylonitrile / methylene methacrylate microspheres sold under the name Expancel®.
- wax powders such as Paraffin wax microloase® 14S particles from Micropowders of average size of 7 ⁇ .
- polyethylene powders in particular comprising at least one ethylene / acrylic acid copolymer, for example the FLOBEADS® EA 209 E from Sumimoto with a mean size of 10 ⁇ m.
- crosslinked elastomeric organopolysiloxane powders coated with silicone resin in particular silsesquioxane under the name KSP 100®, KSP 101®, KSP 102®, KSP 103®, KSP 104® and KSP 105® by the company Shin Etsu.
- talc / dioxide or titanium / alumina / silica composite powders for example the Coverleaf AR 80® from Catalyst & Chemical.
- talc talc
- mica kaolin
- lauryl glycine starch powders crosslinked with octyanyl succinate anhydride, boron nitride, polytetrafluoroethylene powders, precipitated calcium carbonate, hydrocarbon carbonate, magnesium, barium sulfate, hydroxyapatite, calcium silicate, cerium dioxide and microcapsules of glass or ceramics.
- synthetic or natural hydrophilic or hydrophobic fibers mineral or organic, such as silk, cotton, wool, flax, cellulose fibers extracted especially from wood, vegetables or algae, polyamide (Nylon®), modified cellulose, poly-p-phenylene terephtamide, acrylic, polyolefin, glass, silica, aramid, carbon, polytetrafluoroethylene (Teflon®), insoluble collagen, polyesters, polyvinyl chloride or vinylidene, polyvinyl alcohol, polyacrylonitrile, chitosan, polyurethane, polyethylene phthalate, fibers formed from a mixture of polymers, synthetic resorbable fibers, and mixtures thereof described in patent application EP 1 151 742.
- crosslinked elastomeric spherical silicones such as Trefil E-505C® or E-506 C® from Dow Corning.
- abrasive fillers which, by a mechanical effect, provide a smoothing of the cutaneous microrelief, such as abrasive silica, for example Abrasif SP® from Semanez or walnut or shell powders (apricot, walnut, for example from Cosmetochem).
- abrasive silica for example Abrasif SP® from Semanez or walnut or shell powders (apricot, walnut, for example from Cosmetochem).
- the fillers having an effect on the signs of aging are chosen in particular from porous silica microparticles, hollow hemispherical silicone particles, silicone resin powders, acrylic copolymer powders, polyethylene powders and organopolysiloxane powders. crosslinked elastomers coated with silicone resin, talc / titanium dioxide / alumina / silica composite powders, precipitated calcium carbonate, magnesium hydrocarbonate carbonate, barium sulfate, hydroxyapatite, calcium silicate , cerium dioxide and microcapsules of glass or ceramics, silk fibers, cotton fibers, and mixtures thereof.
- the charge can be a "soft focus” charge.
- soft-focus load, we mean a load which in addition gives transparency to the complexion and a fuzzy effect.
- the "soft-focus” charges have an average particle size of less than or equal to 15 microns. These particles can be of any shape and in particular be spherical or nonspherical. More preferably, these fillers are nonspherical.
- the "soft-focus” fillers may be chosen from silica and silicate powders, in particular alumina powders, polymethyl methacrylate (PMMA) powders, talc, silica / TiO2 or silica / zinc oxide composites, and powders. polyethylene, starch powders, polyamide powders, styrene / acrylic copolymer powders, silicone elastomers, and mixtures thereof.
- silica and silicate powders in particular alumina powders, polymethyl methacrylate (PMMA) powders, talc, silica / TiO2 or silica / zinc oxide composites, and powders.
- PMMA polymethyl methacrylate
- talc silica / TiO2 or silica / zinc oxide composites
- powders polyethylene, starch powders, polyamide powders, styrene / acrylic copolymer powders, silicone elastomers, and mixtures thereof.
- talc with a mean size of less than or equal to 3 microns, for example talc of average size in number of 1.8 micron and in particular that sold under the trade name Talc P3® by the company Nippon Talc , Nylon® 12 powder, in particular that sold under the name Orgasol 2002 Extra D Nat Cos® by the company Atochem, silica particles treated on the surface with a mineral wax 1 to 2% (INCI name: hydrated silica (and) paraffin) such as those sold by the company Degussa, amorphous silica microspheres, such as those sold under the name Sunsphere, for example reference H-53® by Asahi Glass, and silica micro-beads such as those sold under the name SB-700® or SB-150® by Miyoshi, this list is not limiting.
- the concentration of these fillers having an effect on the signs of aging in the compositions according to the invention may be between 0.1 and 40%, or even between 0.1 and 20% by weight relative to the total weight of the composition.
- compositions used according to the invention may also comprise an agent promoting the naturally rosy coloration of the skin.
- an agent promoting the naturally rosy coloration of the skin we can mention in particular:
- a self-tanning agent that is to say an agent which, applied on the skin, in particular on the face, makes it possible to obtain a tanning effect of a more or less similar appearance to that which may result from an exposure prolonged in the sun (natural tanning) or under a UV lamp;
- an additional coloring agent that is to say any compound having a particular affinity for the skin enabling it to confer on the latter a durable, non-covering coloration (ie not having a tendency to opacify the skin) and which is not removable with water or with the aid of a solvent, and which resists both rubbing and washing with a solution containing surfactants.
- Such durable coloration is therefore distinguished from the superficial and momentary coloration provided for example by a makeup pigment;
- Examples of self-tanning agents include:
- DHA dihydoxyacetone
- alkaline and / or alkaline earth hydrogenocarbonates are examples of alkaline and / or alkaline earth hydrogenocarbonates.
- the self-tanning agents are generally chosen from mono or polycarbonyl compounds such as, for example, isatin, alloxane, ninhydrin, glyceraldehyde, mesotartaric aldehyde, glutaraldehyde, erythrulose, pyrazolin-4,5 derivatives. -diones as described in the patent application FR 2,466,492 and WO 97/35842, dihydroxyacetone (DHA), derivatives of 4,4-dihydroxypyrazolin-5-ones as described in the patent application EP 903 342. DHA will preferably be used.
- DHA dihydroxyacetone
- DHA may be used in free form and / or encapsulated for example in lipid vesicles such as liposomes, in particular described in application WO 97/25970.
- the self-tanning agent is present in an amount ranging from 0.01 to 20% by weight, and preferably in an amount of between 0.1 and 10% of the total weight of the composition.
- These dyes may be chosen from synthetic direct dyes or natural dyes.
- dyes may be chosen, for example, from red or orange dyes of the fluoran type such as those described in the patent application FR2840806.
- red or orange dyes of the fluoran type such as those described in the patent application FR2840806.
- the following dyes may be mentioned:
- CTFA Cl 45370 or Orange 5.
- erythrosine known under the name CTFA: Cl 45430 or Acid Red 51.
- dyes may also be chosen from antraquinones, caramel, carmine, charcoal black, azulene blue, methoxalene, trioxalene, guajazulene, chamuzulene, bengal rose, cosine 10B, cyanosine, daphinine.
- dyes may also be chosen from indole derivatives such as monohydroxyindoles as described in patent FR2651 126 (ie: 4-, 5-, 6- or 7-hydroxyindole) or di-hydroxyindoles as described in EP-B-0425324 (ie: 5,6-dihydroxyindole, 2-methyl-5,6-dihydroxyindole, 3-methyl-5,6-dihydroxyindole, 2,3-dihydroxyindole, dimethyl 5,6-dihydroxyindole);
- indole derivatives such as monohydroxyindoles as described in patent FR2651 126 (ie: 4-, 5-, 6- or 7-hydroxyindole) or di-hydroxyindoles as described in EP-B-0425324 (ie: 5,6-dihydroxyindole, 2-methyl-5,6-dihydroxyindole, 3-methyl-5,6-dihydroxyindole, 2,3-dihydroxyindole, dimethyl 5,6
- exfoliating agents that may be used in rinsed compositions according to the invention, mention may be made, for example, of exfoliant or scrubbing particles of mineral, vegetable or organic origin.
- exfoliant or scrubbing particles of mineral, vegetable or organic origin.
- beads or polyethylene powder, nylon powder, polyvinyl chloride powder, pumice, ground apricot kernels or nut shells can be used. sawdust, glass beads, alumina, and mixtures thereof.
- Exfogreen® from Solabia (bamboo extract), strawberry akenes (Greentech strawberry Akancies), peach kernel powder, apricot kernel powder, and finally the field of vegetable powders with abrasive effect include the cranberry powder.
- peach kernel powder As abrasive fillers or preferred exfoliation agents according to the invention, mention may be made of peach kernel powder, apricot kernel powder, cranberry kernel powder, strawberry achene extracts, bamboo extracts.
- the invention also relates to a cosmetic assembly, or kit, comprising at least:
- a first composition comprising, in a physiologically acceptable medium, at least one compound or set of compound A as described above;
- a second composition comprising, in a physiologically acceptable medium, at least one filtering agent C as described above.
- the assembly according to the invention can thus be composed of a two-compartment system. It may also correspond to a set comprising the first composition in a first galenic form (for example a cream containing the compound or the set of compounds A) is the second composition in a second galenic form.
- a first galenic form for example a cream containing the compound or the set of compounds A
- the filtering efficiency as well as the water remanence of a UV filter solution applied to a condensed APTES deposit compared to a solution deposited on bare skin at different concentrations are evaluated and compared.
- the UV filters tested are Phenylbenzimidazole Sulfonic Acid and Terephthalylidene Dicamphor Sulfonic Acid.
- the formulas 1 and 2 tested are stable after 2 months at room temperature and have very good sensory qualities after application to the skin.
- Conditions I and II were tested for SPF and persistence in water. Conditions I, II, III, IV, V and VI were tested for SPF.
- V example 1 + example a (50/50)
- the SPFs of the 8% and 12% UV filter solutions measured after plating on bare skin or on more or less concentrated deposits of APTES are measured.
- the APTES / UV filter ratio corresponds to the ratio between the masses of APTES and UV filters (Mexoryl SX + Eusolex 232) deposited on the skin.
- the APTES layer makes it possible to significantly increase the water resistance of the water-soluble UV filters of Example 2.
- UV filtering solutions have a higher in vivo SPF if they are spread on an APTES deposit.
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Abstract
Description
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Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0959262A FR2954142B1 (fr) | 2009-12-18 | 2009-12-18 | Procede de traitement cosmetique impliquant un compose apte a condenser in situ |
FR0959261A FR2954141B1 (fr) | 2009-12-18 | 2009-12-18 | Procede pour capter des actifs dans la peau |
US29656310P | 2010-01-20 | 2010-01-20 | |
US29656110P | 2010-01-20 | 2010-01-20 | |
PCT/FR2010/052744 WO2011073578A2 (fr) | 2009-12-18 | 2010-12-15 | Procede de traitement cosmetique impliquant un compose apte a condenser in situ et un agent filtrant les radiations uv |
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EP2512417A2 true EP2512417A2 (fr) | 2012-10-24 |
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EP10793232A Withdrawn EP2512416A2 (fr) | 2009-12-18 | 2010-12-15 | Procédé de traitement cosmétique impliquant un composé apte à condenser in situ |
EP10805812A Withdrawn EP2512417A2 (fr) | 2009-12-18 | 2010-12-15 | Procede de traitement cosmetique impliquant un compose apte a condenser in situ et un agent filtrant les radiations uv |
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EP10793232A Withdrawn EP2512416A2 (fr) | 2009-12-18 | 2010-12-15 | Procédé de traitement cosmétique impliquant un composé apte à condenser in situ |
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US (2) | US20130034509A1 (fr) |
EP (2) | EP2512416A2 (fr) |
JP (2) | JP5801318B2 (fr) |
CN (2) | CN102933194A (fr) |
BR (2) | BR112012014715A2 (fr) |
WO (4) | WO2011073280A2 (fr) |
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DE102004047282A1 (de) | 2004-09-27 | 2006-04-20 | Beiersdorf Ag | W/O-Emulsion mit UV-Lichtschutzfilterpigmenten |
DE102004047281A1 (de) | 2004-09-27 | 2006-04-20 | Beiersdorf Ag | Lichtschutzkonzentrat mit organischen Mikropigmenten |
DE102004047288B4 (de) | 2004-09-27 | 2006-11-30 | Beiersdorf Ag | Lichtschutzemulsion mit hohem Anteil an Lichtschutzfilterpigmenten |
DE102004047283A1 (de) | 2004-09-27 | 2006-04-13 | Beiersdorf Ag | O/W-Emulsionen mit anorganischen UV-Lichtschutzfilterpigmenten |
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BR112012014715A2 (pt) * | 2009-12-18 | 2018-10-09 | Oreal | "processo de tratamento cosmético da pele, e, conjunto cosmético" |
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2010
- 2010-12-15 BR BR112012014715A patent/BR112012014715A2/pt not_active Application Discontinuation
- 2010-12-15 EP EP10793232A patent/EP2512416A2/fr not_active Withdrawn
- 2010-12-15 US US13/516,546 patent/US20130034509A1/en not_active Abandoned
- 2010-12-15 CN CN2010800633536A patent/CN102933194A/zh active Pending
- 2010-12-15 EP EP10805812A patent/EP2512417A2/fr not_active Withdrawn
- 2010-12-15 CN CN201080057748.5A patent/CN103260596B/zh not_active Expired - Fee Related
- 2010-12-15 US US13/516,389 patent/US9078831B2/en not_active Expired - Fee Related
- 2010-12-15 WO PCT/EP2010/069805 patent/WO2011073280A2/fr active Application Filing
- 2010-12-15 WO PCT/EP2010/069803 patent/WO2011073279A2/fr active Application Filing
- 2010-12-15 BR BR112012014661-0A patent/BR112012014661A2/pt not_active IP Right Cessation
- 2010-12-15 WO PCT/FR2010/052744 patent/WO2011073578A2/fr active Application Filing
- 2010-12-15 JP JP2012543878A patent/JP5801318B2/ja not_active Expired - Fee Related
- 2010-12-15 JP JP2012543731A patent/JP2013514316A/ja not_active Withdrawn
- 2010-12-15 WO PCT/FR2010/052742 patent/WO2011073576A2/fr active Application Filing
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US2950986A (en) * | 1957-08-22 | 1960-08-30 | Union Carbide Corp | Ultraviolet light absorbing compositions |
US3068153A (en) * | 1958-11-13 | 1962-12-11 | Union Carbide Corp | Sunburn preventive compositions |
US20070183998A1 (en) * | 2005-12-28 | 2007-08-09 | L'oreal | Cosmetic composition |
Also Published As
Publication number | Publication date |
---|---|
WO2011073280A3 (fr) | 2012-11-01 |
JP2013514341A (ja) | 2013-04-25 |
WO2011073279A3 (fr) | 2012-08-23 |
WO2011073576A3 (fr) | 2012-11-15 |
WO2011073578A2 (fr) | 2011-06-23 |
CN102933194A (zh) | 2013-02-13 |
JP2013514316A (ja) | 2013-04-25 |
US9078831B2 (en) | 2015-07-14 |
WO2011073576A2 (fr) | 2011-06-23 |
BR112012014661A2 (pt) | 2020-12-29 |
WO2011073578A3 (fr) | 2012-08-02 |
US20130034509A1 (en) | 2013-02-07 |
US20120328542A1 (en) | 2012-12-27 |
CN103260596B (zh) | 2016-08-31 |
CN103260596A (zh) | 2013-08-21 |
WO2011073279A2 (fr) | 2011-06-23 |
BR112012014715A2 (pt) | 2018-10-09 |
WO2011073280A2 (fr) | 2011-06-23 |
EP2512416A2 (fr) | 2012-10-24 |
JP5801318B2 (ja) | 2015-10-28 |
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