FR2799649A1 - COMPOSITION, PARTICULARLY COSMETIC, CONTAINING DHEA AND A DESQUAMANT AGENT - Google Patents
COMPOSITION, PARTICULARLY COSMETIC, CONTAINING DHEA AND A DESQUAMANT AGENT Download PDFInfo
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- FR2799649A1 FR2799649A1 FR0009228A FR0009228A FR2799649A1 FR 2799649 A1 FR2799649 A1 FR 2799649A1 FR 0009228 A FR0009228 A FR 0009228A FR 0009228 A FR0009228 A FR 0009228A FR 2799649 A1 FR2799649 A1 FR 2799649A1
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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
- A61Q19/007—Preparations for dry skin
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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
- A61K8/35—Ketones, e.g. benzophenone
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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
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
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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
- A61K8/37—Esters of carboxylic acids
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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
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
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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
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
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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
- A61K8/49—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
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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
- A61K8/60—Sugars; Derivatives thereof
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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
- A61K8/63—Steroids; Derivatives thereof
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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
- A61K8/67—Vitamins
- A61K8/671—Vitamin A; Derivatives thereof, e.g. ester of vitamin A acid, ester of retinol, retinol, retinal
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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
- A61Q19/02—Preparations for care of the skin for chemically bleaching or whitening the skin
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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
- A61Q19/08—Anti-ageing preparations
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- 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
- A61K2800/74—Biological properties of particular ingredients
- A61K2800/78—Enzyme modulators, e.g. Enzyme agonists
- A61K2800/782—Enzyme inhibitors; Enzyme antagonists
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Abstract
Description
La présente invention se rapporte à une composition renfermant la DHEA, en association avec au moins un agent desquamant. The present invention relates to a composition comprising DHEA, in combination with at least one desquamating agent.
La DHEA, ou déhydroépiandrostérone, est un stéroïde naturel produit essentiellement par les glandes corticosurrénales. La DHEA exogène, administrée par voie topique ou orale, est notamment connue pour sa capacité à promouvoir -la kératinisation de l'épiderme (JP-07 196 467) et à traiter les peaux sèches en augmentant la production endogène et la sécrétion de sébum et en renforçant ainsi l'effet barrière de la peau (US-4,496,556). <B>Il</B> a également été décrit dans le brevet US-5,843,932 l'utilisation de la DHEA pour remédier à l'atrophie du derme par inhibition de la perte de collagène et de tissu conjonctif. DHEA, or dehydroepiandrosterone, is a natural steroid produced primarily by the adrenal glands. Exogenous DHEA, administered topically or orally, is known in particular for its ability to promote keratinization of the epidermis (JP-07196467) and to treat dry skin by increasing endogenous production and sebum secretion and thus reinforcing the barrier effect of the skin (US-4,496,556). <B> It has also been described in US Pat. No. 5,843,932 the use of DHEA to overcome dermal atrophy by inhibiting the loss of collagen and connective tissue.
II a déjà été proposé dans le document US-4,542,129 d'associer la DHEA à un agent kératolytique tel que l'acide salicylique ou les a-hydroxyacides, pour contrer la formation de lésions cutanées acnéiformes qui pourraient apparaître sur les peaux prédisposées à l'acné, traitées avec la DHEA. It has already been proposed in US Pat. No. 4,542,129 to associate DHEA with a keratolytic agent such as salicylic acid or α-hydroxy acids, to counter the formation of acneiform skin lesions which could appear on the skin predisposed to the skin. acne, treated with DHEA.
Toutefois, à la connaissance de la Demanderesse, il n'a encore jamais été suggéré que l'association de la DHEA avec d'autres agents desquamants choisis pouvait permettre de lutter efficacement contre les signes du vieillissement cutané. However, to the knowledge of the Applicant, it has never been suggested that the combination of DHEA with other selected desquamating agents could effectively fight against the signs of skin aging.
La présente invention a donc pour objet une nouvelle composition comprenant, dans un milieu physiologiquement acceptable, (a) la DHEA, et (b) au moins un agent desquamant choisi parmi les rétinoïdes, les dérivés acylés d'acide salicylique, les inhibiteurs d'HMG-CoA réductase et les dérivés de sucre. The subject of the present invention is therefore a novel composition comprising, in a physiologically acceptable medium, (a) DHEA, and (b) at least one desquamating agent chosen from retinoids, acyl derivatives of salicylic acid, inhibitors of HMG-CoA reductase and sugar derivatives.
La DHEA a la formule (I) suivante
La DHEA utilisable selon l'invention est par exemple disponible auprès de la société AKZO NOBEL. DHEA has the following formula (I)
The DHEA that can be used according to the invention is for example available from AKZO NOBEL.
La concentration en DHEA dans la composition selon l'invention est avantageusement comprise entre 0,001% et 20% en poids, de préférence entre 0,01 et 10% en poids, plus préférentiellement entre 0,1 et 3% en poids, par rapport au poids total de la composition. The concentration of DHEA in the composition according to the invention is advantageously between 0.001% and 20% by weight, preferably between 0.01 and 10% by weight, more preferably between 0.1 and 3% by weight, relative to total weight of the composition.
Comme agent desquamant, on peut utiliser les rétinoïdes tels que l'acide rétinoïque (all-trans ou 13-cis) et osés dérivé'-, le rétinaldéhyde, le rétinol (vitamine A) et ses esters tels que le palmitate de rétinol, l'acétate de rétinol et le propionate de rétinol, ainsi que leurs mélanges. As the desquamating agent, retinoids such as retinoic acid (all-trans or 13-cis) and derived oysters, retinaldehyde, retinol (vitamin A) and its esters such as retinol palmitate, can be used. retinol acetate and retinol propionate, as well as mixtures thereof.
En variante, l'agent desquamant peut être un dérivé acylé d'acide salicylique, en particulier un acide 5-acyl-salicylique tel que l'acide n-octanoyl-5-salicylique, l'acide n- dodécanoyl-5-salicylique et l'acide n-décanoyl-5-salicylique, sous forme libre ou salifiée, en particulier sous forme de sels obtënus par salification avec une base minérale ou organique. On préfère en particulier utiliser l'acide n-octanoyl-5- salicylique. Ce composé peut être préparé comme décrit dans la demande FR-2 581 542 au nom de la Demanderesse. Alternatively, the desquamating agent may be an acyl derivative of salicylic acid, particularly a 5-acyl-salicylic acid such as n-octanoyl-5-salicylic acid, n-dodecanoyl-5-salicylic acid and n-decanoyl-5-salicylic acid, in free or salified form, in particular in the form of salts obtained by salification with a mineral or organic base. It is particularly preferred to use n-octanoyl-5-salicylic acid. This compound can be prepared as described in application FR-2,581,542 in the name of the Applicant.
Selon une autre possibilité, l'agent desquamant peut être choisi parmi les inhibiteurs d'HMG-CoA réductase. Les inhibiteurs d'HMG-CoA-réductase peuvent être par exemple les composés suivants : mévastatine, lovastatine, pravastatine, simvastatine, fluvastatine, dalvastatine, et leurs dérivés et sels, notamment leurs sels de sodium. Selon encore une autre possibilité, l'agent desquamant peut être un dérivé de sucre, en particulier un carbohydrate ou dérivé de carbohydrate répondant à la formule (I), R-X-A (I) dans laquelle A représente une chaîne composée de une à vingt unités carbohydrate ou dérivé de carbohydrate, comprenant chacune 3 à 6 atomes de carbone, reliées entre elles, de préférence par des ponts acétals, chacune de ces unités pouvant être éventuellement substituée, par exemple par un halogène, par une fonction amine, une fonction acide, une fonction ester, un thiol, une fonction alcoxy, une fonction thio-éther, une fonction thio-ester, une fonction amide, une fonction carbamate et/ou une fonction urée, R représente une chaîne alcoyle ou une chaîne alcényle, comprenant de 4 à 24 atomes de carbone, ramifiée ou linéaire, pouvant être interrompue par des ponts éthers, portant éventuellement ~ une fonction hydroxyle, une fonction acide carboxylique, une fonction amine, une fonction ester, une fonction acyloxy, une fonction amide, une fonction éther, une fonction carbamate et/ou une fonction urée, X représente une fonction reliant R et A, comme par exemple une fonction amine, éther, amide, ester, urée, carbamate, thioester, thioéther ou sulfonamide. Alternatively, the desquamating agent may be selected from HMG-CoA reductase inhibitors. The HMG-CoA reductase inhibitors may be for example the following compounds: mevastatin, lovastatin, pravastatin, simvastatin, fluvastatin, dalvastatin, and their derivatives and salts, especially their sodium salts. According to another possibility, the desquamating agent may be a sugar derivative, in particular a carbohydrate or carbohydrate derivative corresponding to formula (I), RXA (I) in which A represents a chain composed of from one to twenty carbohydrate units. or carbohydrate derivative, each comprising 3 to 6 carbon atoms, connected to each other, preferably by acetal bridges, each of these units possibly being optionally substituted, for example by a halogen, by an amine function, an acid function, a ester function, a thiol, an alkoxy function, a thioether function, a thioester function, an amide function, a carbamate function and / or a urea function, R represents an alkyl chain or an alkenyl chain, comprising from 4 to 24 carbon atoms, branched or linear, may be interrupted by ether bridges, optionally carrying a hydroxyl function, a carboxylic acid function, an amine function, an ester function, an acyloxy function, an amide function, an ether function, a carbamate function and / or a urea function, X represents a function linking R and A, such as, for example, an amine, ether, amide or ester function. , urea, carbamate, thioester, thioether or sulfonamide.
Ces composés sont décrits, ainsi que leur procédé de préparation, dans la demande EP-0 853 472. These compounds are described, as well as their method of preparation, in the application EP-0 853 472.
Comme dérivés de sucre préférés, on peut citer le N-butanoyl-D-glucosamine, le N octanoyl-D-glucosamine, le N-octyloxycarbonyl-N-méthyl-D-glucamine, le N-2-éthyl- hexyloxycarbonyl-N-méthyl-D-glucamine, le 6-0-octanoyl-D-glucose, le 6'-0 dodécanoyl-D-maltose et le 6'-0-octanoyl-D-maltose, ce dernier composé étant particulièrement préféré. Preferred sugar derivatives include N-butanoyl-D-glucosamine, N-octanoyl-D-glucosamine, N-octyloxycarbonyl-N-methyl-D-glucamine, N-2-ethylhexyloxycarbonyl-N- methyl-D-glucamine, 6-O-octanoyl-D-glucose, 6'-O-dodecanoyl-D-maltose and 6'-O-octanoyl-D-maltose, the latter compound being particularly preferred.
A titre d'exemple, l'agent desquamant peut être utilisé dans la composition selon l'invention en une quantité représentant de 0,1 à 10 %, de préférence de 0,1 à 5 % et, mieux, de 0,5 à 3 % en poids du poids total de la composition. By way of example, the desquamating agent may be used in the composition according to the invention in an amount representing from 0.1 to 10%, preferably from 0.1 to 5% and better still from 0.5 to 3% by weight of the total weight of the composition.
La composition selon l'invention peut se présenter sous toutes les formes galéniques normalement utilisées pour une application topique sur la peau, notamment sous forme d'une solution huileuse, d'une émulsion huile-dans-eau ou eau-dans-huile ou multiple, d'une émulsion siliconée, d'une microémulsion ou nanoémulsion, d'un gel huileux, d'un produit anhydre liquide, pâteux ou solide, d'une dispersion d'huile dans une phase aqueuse en présence de sphérules, ces sphérules pouvant être des nanoparticules polymériques telles que les nanosphères et les nanocapsules ou, mieux, des vésicules lipidiques de type ionique et/ou non-ionique. The composition according to the invention may be in any galenical form normally used for topical application to the skin, especially in the form of an oily solution, an oil-in-water or water-in-oil or multiple emulsion. , a silicone emulsion, a microemulsion or nanoemulsion, an oily gel, a liquid, pasty or solid anhydrous product, an oil dispersion in an aqueous phase in the presence of spherules, these spherules possibly being be polymeric nanoparticles such as nanospheres and nanocapsules or, better, lipid vesicles of ionic and / or nonionic type.
Cette composition peut être plus ou moins fluide et avoir l'aspect d'une crème blanche ou colorée, d'une pommade, d'un lait, d'une lotion, d'un sérum, d'une pâte, d'une mousse ou d'un gel. Elle peut éventuellement être appliquée sur la peau sous forme d'aérosol. Elle peut également se présenter sous forme solide, et par exemple sous forme de stick. Elle peut être utilisée comme produit de soin et/ou comme produit de maquillage de la peau. This composition may be more or less fluid and have the appearance of a white or colored cream, an ointment, a milk, a lotion, a serum, a paste, a mousse or a gel. It can optionally be applied to the skin in the form of an aerosol. It can also be in solid form, and for example in the form of a stick. It can be used as a care product and / or as a make-up product for the skin.
De façon connue, la composition de l'invention peut contenir également les adjuvants habituels dans les domaines cosmétique et dermatologique, tels que les gélifiants hydrophiles ou lipophiles, les actifs hydrophiles ou lipophiles, les conservateurs, les antioxydants, les solvants, les parfums, les charges, les filtres, les pigments, les absorbeurs d'odeur et les matières colorantes. Les quantités de ces différents adjuvants sont celles classiquement utilisées dans les domaines considérés, et par exemple de 0,01 à 20 % du poids total de la composition. Ces adjuvants, selon leur nature, peuvent être introduits dans la phase grasse, dans la phase aqueuse, dans les vésicules lipidiques et/ou dans les nanoparticules. Ces adjuvants, ainsi que leurs concentrations, doivent être tels qu'ils ne nuisent pas aux propriétés avantageuses de l'association d'actifs selon l'invention. In a known manner, the composition of the invention may also contain the usual adjuvants in the cosmetic and dermatological fields, such as hydrophilic or lipophilic gelling agents, hydrophilic or lipophilic active agents, preservatives, antioxidants, solvents, perfumes, fillers, filters, pigments, odor absorbers and dyestuffs. The amounts of these various adjuvants are those conventionally used in the fields under consideration, and for example from 0.01 to 20% of the total weight of the composition. These adjuvants, depending on their nature, can be introduced into the fatty phase, into the aqueous phase, into the lipid vesicles and / or into the nanoparticles. These adjuvants, as well as their concentrations, must be such that they do not adversely affect the advantageous properties of the combination of active agents according to the invention.
Lorsque la composition selon l'invention est une émulsion, la proportion de la phase grasse peut aller de 5 à 80 % en poids, et de préférence de 5 à 50 % en poids par rapport au poids total de la composition. Les matières grasses, les émulsionnants et les coémulsionnants utilisés dans la composition sous forme d'émulsion sont choisis parmi ceux classiquement utilisés dans le domaine considéré. L'émulsionnant et le co- émulsionnant sont de préférence présents, dans la composition, en une proportion allant de 0,3 à 30 % en poids, et de préférence de 0,5 à 20 % en poids par rapport au poids total de la composition. When the composition according to the invention is an emulsion, the proportion of the fatty phase can range from 5 to 80% by weight, and preferably from 5 to 50% by weight relative to the total weight of the composition. The fats, emulsifiers and coemulsifiers used in the composition in emulsion form are chosen from those conventionally used in the field under consideration. The emulsifier and the co-emulsifier are preferably present in the composition in a proportion ranging from 0.3 to 30% by weight and preferably from 0.5 to 20% by weight relative to the total weight of the composition. composition.
Comme matières grasses utilisables dans l'invention, on peut utiliser les huiles et notamment les huiles minérales (huile de vaseline), les huiles d'origine végétale (huile d'avocat, huile de soja), les huiles d'origine animale (lanoline), les huiles de synthèse (perhydrosqualène), les huiles siliconées (cyclométhicone) et les huiles fluorées (perfluoropolyéthers). On peut aussi utiliser comme matières grasses des alcools gras tels que l'alcool cétylique, des acides gras, des cires et des gommes et en particulier les gommes de silicone. As fats which can be used in the invention, it is possible to use the oils and in particular the mineral oils (liquid petroleum jelly), the oils of vegetable origin (avocado oil, soya oil), the oils of animal origin (lanolin ), synthetic oils (perhydrosqualene), silicone oils (cyclomethicone) and fluorinated oils (perfluoropolyethers). It is also possible to use fatty alcohols such as cetyl alcohol, fatty acids, waxes and gums, and in particular silicone gums, as fatty substances.
Comme émulsionnants et coémulsionnants utilisables dans l'invention, on peut citer par exemple les esters d'acide gras et de polyéthylène glycol tels que le stéarate de PEG-100, le stéarate de PEG-50 et le stéarate de PEG-40 ; les esters d'acide gras et de polyol tels que le stéarate de glycéryle, le tristéarate de sorbitane et les stéarates de sorbitane oxyéthylénés disponibles sous les dénominations commerciales Tween 20 ou Tween 60, par exemple ; et leurs mélanges. As emulsifiers and coemulsifiers that can be used in the invention, mention may be made, for example, of fatty acid and polyethylene glycol esters such as PEG-100 stearate, PEG-50 stearate and PEG-40 stearate; fatty acid esters of polyol such as glyceryl stearate, sorbitan tristearate and oxyethylenated sorbitan stearates available under the trade names Tween 20 or Tween 60, for example; and their mixtures.
Comme gélifiants hydrophiles, on peut citer en particulier les polymères carboxyvinyliques (carbomer), les copolymères acryliques tels que les copolymères d'acrylateslalkylacrylates, les polyacrylamides, les polysaccharides, les gommes naturelles et les argiles, et, comme gélifiants lipophiles, on peut citer les argiles modifiées comme les bentones, les sels métalliques d'acides gras et la silice hydrophobe. As hydrophilic gelling agents, mention may in particular be made of carboxyvinyl polymers (carbomer), acrylic copolymers such as copolymers of acrylates, alkyl acrylates, polyacrylamides, polysaccharides, natural gums and clays, and, as lipophilic gelling agents, mention may be made of modified clays such as bentones, metal salts of fatty acids and hydrophobic silica.
Comme actifs, on préfère que la composition selon l'invention renferme en outre un progestatif, tel que la prégnénolone et la 17-0H progestérone. As active agents, it is preferred that the composition according to the invention also contains a progestin, such as pregnenolone and 17-OH progesterone.
La composition selon l'invention trouve en particulier une application dans la prévention et le traitement des signes cutanés du vieillissement chronologique ou actinique. The composition according to the invention finds particular application in the prevention and treatment of cutaneous signs of chronological or actinic aging.
La présente invention concerne donc également l'utilisation cosmétique de la composition mentionnée ci-dessus pour prévenir ou traiter les signes cutanés du vieillissement chronologique ou actinique, en particulier - pour prévenir ou réduire l'aspect papyracé de la peau, et/ou - pour raviver l'éclat du teint, et/ou . - pour traiter les rides et ridules, et/ou - pour lutter contre le relâchement cutané, et/ou - pour lutter contre ou prévenir l'atrophie de la peau, et/ou - pour lutter contre la sécheresse de la peau. The present invention therefore also relates to the cosmetic use of the composition mentioned above for preventing or treating cutaneous signs of chronological or actinic aging, in particular - to prevent or reduce the papery appearance of the skin, and / or - for to revive the radiance of the complexion, and / or. - to treat wrinkles and fine lines, and / or - to fight against slackening of the skin, and / or - to fight against or prevent skin atrophy, and / or - to fight against dryness of the skin.
Dans tous les cas, la composition selon l'invention comprend une quantité efficace de DHEA, - suffisante pour obtenir l'effet recherché, et un milieu- physiologiquement acceptable. In all cases, the composition according to the invention comprises an effective amount of DHEA, sufficient to obtain the desired effect, and a physiologically acceptable medium.
L'invention sera maintenant illustrée par l'exemple non limitatif suivant. Dans cet exemple, les quantités sont ^indiquées en pourcentage pondéral, sauf indication contraire.
The invention will now be illustrated by the following nonlimiting example. In this example, the amounts are given in percent by weight unless otherwise indicated.
<B>EXEMPLE</B> <SEP> : <SEP> <B>composition <SEP> cosmétique</B>
<tb> Phase <SEP> <I>A1</I>
<tb> 2-octyldodécanol <SEP> 20
<tb> DHEA <SEP> ' <SEP> ` <SEP> 1
<tb> Phase <SEP> A2
<tb> Distéarate <SEP> polyglycérolé <SEP> (2 <SEP> mol) <SEP> 2
<tb> Mono-stéarate <SEP> de <SEP> PEG <SEP> (8 <SEP> OE) <SEP> 1,35%
<tb> Acide <SEP> stéarique <SEP> 1
<tb> Conservateur <SEP> 0,1
<tb> Phase <SEP> B
<tb> Acide <SEP> n-octanoyl-5-salicylique <SEP> 1
<tb> Conservateurs <SEP> 0,35
<tb> Neutralisants <SEP> 0,25
<tb> Propylène <SEP> glycol <SEP> 10
<tb> Eau <SEP> qsp <SEP> 100
<tb> Phase <SEP> C
<tb> Gélifiant <SEP> 0,5
<tb> Neutralisant <SEP> 0,2
<B> EXAMPLE </ B><SEP>:<SEP><B> Composition <SEP> Cosmetic </ B>
<tb> Phase <SEP><I> A1 </ I>
<tb> 2-octyldodecanol <SEP> 20
<tb> DHEA <SEP>'<SEP>`<SEP> 1
<tb> Phase <SEP> A2
<tb> Distearate <SEP> polyglycerolated <SEP> (2 <SEP> mol) <SEP> 2
<tb> Monostearate <SEP> of <SEP> PEG <SEP> (8 <SEP> OE) <SEP> 1.35%
<tb> Stearic acid <SEP><SEP> 1
<tb> Conservative <SEP> 0.1
<tb> Phase <SEP> B
<tb><SEP> n-octanoyl-5-salicylic acid <SEP> 1
<tb> Conservatives <SEP> 0.35
<tb> Neutralizers <SEP> 0.25
<tb> Propylene <SEP> Glycol <SEP> 10
<tb> Water <SEP> qsp <SEP> 100
<tb> Phase <SEP> C
<tb> Gelling agent <SEP> 0.5
<tb> Neutralizer <SEP> 0.2
Eau <SEP> qsp Cette composition peut être préparée de la manière suivante : les phases A1, A2 et B sont préparées séparément par mélange de leurs constituants à chaud, sous agitation. This composition can be prepared in the following manner: the phases A1, A2 and B are prepared separately by mixing their constituents while stirring.
Les phases A1 et A2 sont mélangées à chaud, puis la phase B leur est ajoutée. Le mélange ainsi obtenu a été transféré vers un homogénéisateur haute. pression où il est soumis à trois passages à 600 bars avant incorporation de la phase C. Phases A1 and A2 are hot mixed, then phase B is added thereto. The mixture thus obtained was transferred to a high homogenizer. pressure where it is subjected to three passes at 600 bar before incorporation of phase C.
Cette composition peut être utilisée en applications biquotidiennes pour prévenir ou traiter les signes du vieillissement tels que les rides et ridules, la perte d'éclat du teint et le dessèchement de la peau. This composition can be used in twice-daily applications to prevent or treat signs of aging such as lines and wrinkles, loss of radiance and dryness of the skin.
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0009228A FR2799649B1 (en) | 1999-10-13 | 2000-07-13 | COMPOSITION, PARTICULARLY COSMETIC, CONTAINING DHEA AND A DESQUAMANT AGENT |
PCT/FR2000/002682 WO2001026619A2 (en) | 1999-10-13 | 2000-09-28 | Composition, in particular cosmetic, containing dihydroepiandosterone (dhea) and a desquamative agent |
AU2000276682A AU2000276682A1 (en) | 1999-10-13 | 2000-09-28 | Composition, in particular cosmetic, containing dihydroepiandosterone (dhea) anda desquamative agent |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9912773A FR2799645B1 (en) | 1999-10-13 | 1999-10-13 | USE OF DHEA OR ITS PRECURSORS OR METABOLIC DERIVATIVES AS DEPIGMENTANT |
FR0009228A FR2799649B1 (en) | 1999-10-13 | 2000-07-13 | COMPOSITION, PARTICULARLY COSMETIC, CONTAINING DHEA AND A DESQUAMANT AGENT |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2799649A1 true FR2799649A1 (en) | 2001-04-20 |
FR2799649B1 FR2799649B1 (en) | 2005-05-20 |
Family
ID=26212532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0009228A Expired - Fee Related FR2799649B1 (en) | 1999-10-13 | 2000-07-13 | COMPOSITION, PARTICULARLY COSMETIC, CONTAINING DHEA AND A DESQUAMANT AGENT |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2000276682A1 (en) |
FR (1) | FR2799649B1 (en) |
WO (1) | WO2001026619A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2868309A1 (en) * | 2004-04-02 | 2005-10-07 | Oreal | Use of substance that inhibits prenylation of RhoA protein as skin relaxant, especially for reducing expression lines |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2826577B1 (en) * | 2001-06-29 | 2003-10-03 | Oreal | USE OF LYS-PRO-VAL TRIPEPTIDE (KPV) TO IMPROVE THE BARRIER FUNCTION OF THE SKIN |
FR2827767B1 (en) * | 2001-07-27 | 2005-08-19 | Oreal | NANOCAPSULES CONTAINING A STEROID AND COMPOSITION, ESPECIALLY COSMETIC, COMPRISING THE SAME |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542129A (en) * | 1982-08-16 | 1985-09-17 | Norman Orentreich | DHEA Formulations and methods for treating dry skin |
US5883086A (en) * | 1997-05-02 | 1999-03-16 | Craft; John C. | DHEA-containing nutritional supplement |
US5900242A (en) * | 1995-01-26 | 1999-05-04 | Societe L'oreal S.A. | Cosmetic/dermatological skin care compositions comprising S-DHEA |
US6093706A (en) * | 1992-03-04 | 2000-07-25 | Bioresponse, L.L.C. | Combined dehydroepiandrosterone and retinoid therapy for epithelial disorders |
-
2000
- 2000-07-13 FR FR0009228A patent/FR2799649B1/en not_active Expired - Fee Related
- 2000-09-28 WO PCT/FR2000/002682 patent/WO2001026619A2/en not_active Application Discontinuation
- 2000-09-28 AU AU2000276682A patent/AU2000276682A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542129A (en) * | 1982-08-16 | 1985-09-17 | Norman Orentreich | DHEA Formulations and methods for treating dry skin |
US6093706A (en) * | 1992-03-04 | 2000-07-25 | Bioresponse, L.L.C. | Combined dehydroepiandrosterone and retinoid therapy for epithelial disorders |
US5900242A (en) * | 1995-01-26 | 1999-05-04 | Societe L'oreal S.A. | Cosmetic/dermatological skin care compositions comprising S-DHEA |
US5883086A (en) * | 1997-05-02 | 1999-03-16 | Craft; John C. | DHEA-containing nutritional supplement |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2868309A1 (en) * | 2004-04-02 | 2005-10-07 | Oreal | Use of substance that inhibits prenylation of RhoA protein as skin relaxant, especially for reducing expression lines |
Also Published As
Publication number | Publication date |
---|---|
WO2001026619A3 (en) | 2001-12-06 |
FR2799649B1 (en) | 2005-05-20 |
WO2001026619A2 (en) | 2001-04-19 |
AU2000276682A1 (en) | 2001-04-23 |
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ST | Notification of lapse |
Effective date: 20060331 |