WO2021127768A1 - Composition anti-transpiration, utilisation cosmétique et son procédé d'application - Google Patents

Composition anti-transpiration, utilisation cosmétique et son procédé d'application Download PDF

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Publication number
WO2021127768A1
WO2021127768A1 PCT/BR2020/050577 BR2020050577W WO2021127768A1 WO 2021127768 A1 WO2021127768 A1 WO 2021127768A1 BR 2020050577 W BR2020050577 W BR 2020050577W WO 2021127768 A1 WO2021127768 A1 WO 2021127768A1
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extract
oil
composition
acid
mass
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PCT/BR2020/050577
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English (en)
Portuguese (pt)
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Raquel HARTMANN HOLOVSKY
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Hart's Alimentos Naturais Ltda
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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
    • A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • 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
    • 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
    • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/362—Polycarboxylic acids
    • 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
    • A61K8/55—Phosphorus compounds
    • A61K8/553—Phospholipids, e.g. lecithin
    • 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
    • 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
    • A61K8/673—Vitamin B group
    • 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
    • A61K8/68—Sphingolipids, e.g. ceramides, cerebrosides, gangliosides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants

Definitions

  • the present invention refers to the field of cosmetic compositions, in particular, antiperspirant compositions comprising high molecular weight alpha-hydroxy acids, their cosmetic use and their method of application.
  • Antiperspirants are products that serve to ward off or prevent body odor, by reducing the local production of sweat by the sweat glands. To achieve this effect, these products usually comprise substances such as aluminum salts and zirconium. Additionally, to eliminate odors generated by the contact of sweat with bacteria and/or fungi, most of these cosmetics also have antibacterial substances such as triclosan and parabens, in addition to artificial fragrances. However, it is known that some of these substances have negative effects on human health. These ingredients are usually prepared in large chemical plants and usually involve the relatively advanced steps of chemical processing. In addition, the process to obtain such substances is not only expensive, but it can also have a significant environmental impact in terms of generation of toxic waste and related to the consumption of energy spent for the process.
  • compositions comprising such artificial additives in general, expose users to contact with harmful chemical substances.
  • aluminum absorption through the skin can cause a greater burden on the body than oral ingestion, and aluminum itself adversely affects the blood-brain barrier, is capable of damaging DNA and has adverse epigenetic effects, and may also to be related to diseases such as breast cancer, kidney dysfunction, Alzheimer's disease.
  • additives such as triclosan and parabens can trigger allergies, irritations, hormonal changes, heart problems and even constitute factors for the incidence of skin and breast cancer.
  • Alpha-hydroxy acids are a class of compounds that consist of a carboxylic acid substituted with a hydroxyl group on its adjacent carbon.
  • Compounds belonging to this class include glycolic acid, lactic acid, malic acid, citric acid, tartaric acid and mandelic acid.
  • alpha-hydroxy acids are used in acne treatments, removal of wrinkles and melasmas.
  • Antimicrobial, antiperspirant and keratolytic effects have been reported for compounds in this class.
  • its use is more frequent in topical treatments of short duration, in which they are applied for a short period of time (up to 30 minutes) and then removed; lasting applications to the skin are limited by the high degree of irritation caused by these acids.
  • Adverse reactions that can be caused by alpha hydroxy acids include severe erythema, swelling (especially around the eyes), burning, blistering, bleeding, rash, itching, and discoloration of the skin. Furthermore, the preparation of formulations containing them is hampered by their low stability in water/oil type emulsions.
  • glycolic acid in a cosmetic composition including: (a) glycolic acid in a nano-matrix of releasing galactomannans controlled, (b) free and/or solution glycolic acid and (c) aesthetically acceptable excipients.
  • glycolic acid in a nano matrix of galactomannans controlled, free and/or solution glycolic acid and (c) aesthetically acceptable excipients.
  • the authors of the aforementioned document suggest the incorporation of glycolic acid in a nano matrix of galactomannans, in order to provide a controlled release of the compound on the individual's skin.
  • This invention has the limitation of depending on the use of nanocomposites for its application, which affects significant production costs.
  • Patent Document No W02009012925 Q entitled “FORMULATION CONTAINING COSMETIC dermatological PURE OR D OR L Mandelic Acid”, describes a cosmetic formulation, comprising at least one antiperspirant agent, at least mandelic acid, water.
  • the composition comprises an auxiliary agent, particularly selected from the group of polyethoxylated fatty acids group of monoglycerides, diglycerides and triglycerides with a degree of ethoxylation of approximately 5 to 100 and/or ethylenediamine tetraacetic acid (EDTA) and/or a salt thereof and/or disodium calcium ethylenediaminetetraacetate (Ca-EDTA) and/or disulfide, in which D or L mandelic acid is also used.
  • EDTA ethylenediamine tetraacetic acid
  • Ca-EDTA disodium calcium ethylenediaminetetraacetate
  • disulfide in which D or L mandelic acid is also used.
  • This document also refers to an alpha-hydroxy acid, mandelic acid , and suggests the stabilization of the solution containing mandelic acid through the formation of gels that allow the inclusion of an amount of up to 2% by weight of the acid in cosmetic or dermatological formulations.
  • the present invention aims to propose an antiperspirant composition comprising a concentration greater than 3% of a high molecular weight alpha-hydroxy acid. Since high molecular weight alpha-hydroxy acids are more slowly absorbed by the skin, their use ensures lower irritability compared to products comprising glycolic acid or lactic acid. To allow the use of high concentrations of alpha-hydroxy-acid without causing irritation to the skin, especially in regions of high sensitivity with the armpits and intimate regions, the present invention proposes the inclusion of shea butter in a concentration greater than 5%, and panthenol at a concentration greater than 3%, both compounds known for their anti-inflammatory properties and capable of preventing skin irritation.
  • the present invention allows to obtain a stable and non-aggressive product to the user's skin.
  • This invention relates to a new antiperspirant cosmetic composition free of compounds with active ingredients of synthetic origin, especially free of aluminum and zirconium.
  • This invention offers the consumer a natural antiperspirant product, which also has antibacterial, exfoliating, keratolytic, moisturizing, conditioning, pro-vitamin B5, antioxidant, whitening and collagen synthesis stimulant properties.
  • the present invention presents a natural, hypoallergenic product, formulated from a raw material widely available on the market, without producing residues involving heavy metals.
  • a first aspect of the present invention discloses compositions used to reduce bad body odors, antiperspirant, antibacterial and anti-inflammatory, specifically with a natural appeal. More specifically, it is an antiperspirant composition comprising:
  • the alpha-hydroxy-acid is selected from mandelic acid, citric acid, tartaric acid or any combination of the above.
  • the present invention may further comprise silver particles in a concentration between 0.1% and 5%
  • the present invention may comprise fatty material selected from the following list: petroleum jelly, coconut oil, olive oil, evening primrose oil, castor oil, argan oil, ojon oil, macadamia oil, jojoba, rosemary oil, avocado oil, peanut oil, tea tree oil, cocoa butter, cupuaçu butter, sweet almond oil, cetostearyl alcohol, cetyl alcohol, octyl stearate, dicaprylic ether, isopropyl myristate, monostearate glyceryl, glyceryl oleate, mineral oil, isopropyl palmitate, octyl palmitate, capric/caprylic acid triglycerides, caprylate caprate, ketosteryl isonanoate, erfluoropolymethylisopropyl ether or any combination thereof.
  • fatty material selected from the following list: petroleum jelly, coconut oil, olive oil, evening primrose oil, castor oil, argan oil, ojon oil, macadamia oil
  • the composition may further comprise active ingredient selected from the following list: Aloe vera, chamomile extract, caffeine, guarana extract, bamboo extract, aça ⁇ extract, hydrolyzed wheat protein, urea, allantoin, camphor, ceramide protein A2 , menthol, buriti oil, wheat germ oil, passion fruit oil, pomegranate seed oil, grape seed oil, seaweed extract, burdock extract, hop extract, thyme extract, jua extract, ginger extract, fennel extract, fennel extract, yerba mate extract, mint extract, lemon oil, sage extract, black tea, green tea, jaborandi extract, catuaba extract, marapuama extract, extract of cress.
  • active ingredient selected from the following list: Aloe vera, chamomile extract, caffeine, guarana extract, bamboo extract, aça ⁇ extract, hydrolyzed wheat protein, urea, allantoin, camphor, ceramide protein A2 , ment
  • the composition may additionally comprise surfactant selected from the following list: isoamyl laurate, sufactin, iturine, undecylenic acid, undecyl sulfate, caprylyl glycol, lanolin, cross copolymer of acrylates and C10/C30 alkyl acrylates; sorbitan monolaurate; PEG-20 sorbitan monolaurate; PEG-20 methyl glucose distearate; or any of their combinations, sodium lauryl ether sulfate, triethanolamine lauryl sulfate, cetostearyl alcohol, cetyltrimethylammonium chloride, behenyltrimethylammonium chloride, cocoamidopropylbetaine, sodium cocoamphoacetate, laurylpolyglycoside, glyceryl monostearate, ethoxylated potassium ethyl alcohol, coconut fatty acid diethanolamide, or any combination thereof.
  • surfactant selected from the following list: isoamyl la
  • the composition may additionally comprise a thickener selected from the following list: cassava starch, corn starch, potato starch, rice starch, wheat starch, cassava starch, tapioca starch, arrowroot starch, yam starch , or any combination of the above, guar gum, xanthan gum, natrosol gel, silica, hydroxymethylcellulose, hydroxyethylcellulose, or any combination thereof.
  • a thickener selected from the following list: cassava starch, corn starch, potato starch, rice starch, wheat starch, cassava starch, tapioca starch, arrowroot starch, yam starch , or any combination of the above, guar gum, xanthan gum, natrosol gel, silica, hydroxymethylcellulose, hydroxyethylcellulose, or any combination thereof.
  • composition may further comprise an antioxidant.
  • a second aspect of the present invention reveals the cosmetic use of said composition, to prevent odors, more specifically to reduce perspiration at the application site on the skin.
  • a third aspect of the present invention discloses a method of applying said composition, comprising topically applying to the skin surface a cosmetically effective amount of said composition. It also reveals a method of applying the composition which comprises the steps of: dispersing the product on the skin surface; and keep the product on the skin surface for at least one hour.
  • a high molecular weight alpha-hydroxy acid is understood to be an alpha-hydroxy acid with a molar mass greater than 150 g/mol.
  • This group includes, for example, mandelic acid, citric acid and tartaric acid.
  • the antiperspirant cosmetic composition comprises the following components: - A high molecular weight alpha-hydroxy acid, in a concentration of between 3% and 10% by mass;
  • the alpha-hydroxy-acid of high molecular weight has several purposes: moisturizing, stimulating the renewal of the stratum corneum and collagen synthesis, whitening and antioxidant.
  • moisturizing stimulating the renewal of the stratum corneum and collagen synthesis
  • whitening and antioxidant in high concentrations, it can cause considerable skin irritation.
  • the use of a high molecular weight alpha-hydroxy acid is an interesting alternative in relation to a low molecular weight alpha-hydroxy acid, presenting less absorption by the skin and being, therefore, less irritating; even so, the degree of irritation to the skin still limits its use in high concentrations.
  • other components are included in the composition, in order to allow the use of an antiperspirant comprising high concentrations of an alpha-hydroxy acid without causing damage to the user's skin.
  • shea butter The anti-inflammatory properties of shea butter allow to reduce the redness and irritation of the skin in the application of cosmetics, providing curative effects without causing pore clogging.
  • Its formula contains fatty acids such as oleic acid, stearic acid, palmitic acid and linolenic acid, as well as a high concentration of vitamins A, E and F and of tocopherols in its composition,
  • shea butter When used in antiperspirant cosmetic formulations, shea butter is normally present in concentrations of up to 1%; high concentrations of this fatty material can lead to composition stabilization problems.
  • Panthenol is an alcohol is an excellent hydrating and regenerating pro-vitamin B5, able to accelerate the repair of the skin barrier and the hydration of the stratum corneum. It is already widely used in formulations such as creams, face and body lotions, shampoos and conditioners, however, its application in deodorants and antiperspirants is mostly in low concentrations, as high concentrations of this active disturb its viscosity and stability. Panthenol is generally used in a concentration of 0.5% to 1% by mass.
  • the present invention proposes higher concentrations of shea butter and panthenol, in the range of, respectively, 5% to 20% and 3% to 10% by mass, which allows an effective compensation of the irritating effects on the skin of alpha -hydroxy-acids; in this way, it becomes possible to apply compositions comprising from 3% to 10% by mass of high molecular weight alpha-hydroxy acids.
  • the high content of shea butter and panthenol can impair the stability of the emulsion in the proposed composition; therefore, it is also proposed to include in the present composition three different emulsifiers: glyceryl stearate, stearic acid and lecithin.
  • the concentration of glyceryl stearate is 3% to 10% by mass. In one embodiment, the concentration of stearic acid is 5 to 20%. In one embodiment, the lecithin concentration is from 0.5% to 5%.
  • the combination of the ingredients described above in a composition forms a stable emulsion, in which the vehicles can be pure water or an emulsion including water and fatty materials.
  • the composition may also include other ingredients of interest, such as active principles, surfactants, thickeners, antioxidants and silver particles.
  • the alpha-hydroxy acid used in the present invention is selected from mandelic acid, citric acid, tartaric acid or any combination of the above. These acids are easily obtained from natural raw materials and have a low cost.
  • the alpha-hydroxy-acid present in the composition is mandelic acid, which for presenting greater liposolubility, behaves better in a water/oil emulsion, being absorbed more slowly by the human body.
  • Alpha-hydroxy acids with higher water solubility tend to move mostly into the aqueous fraction of the emulsion, resulting in direct contact with the stratum corneum and much faster absorption by the body.
  • the alpha-hydroxy-acid present in the composition is citric acid, which induces the proliferation of type I collagen and type II pro-collagen, in addition to improving the structure of the epidermis and the amount of glycosaminoglycans , treating damage caused by sun exposure.
  • the alpha-hydroxy-acid present in the composition is tartaric acid, which has keratolytic, whitening and antioxidant capacity, acting on photoaging and cell renewal.
  • the concentration of the high molecular weight alpha-hydroxy acid is 3% to 6% by mass.
  • the concentration of Shea butter is 10% to 15% by mass.
  • the concentration of panthenol is 3% to 6% by mass.
  • the concentration of glyceryl stearate is 5% to 8% by mass.
  • the concentration of stearic acid is 10 to 15%.
  • the lecithin concentration is from 1% to 3%.
  • the lecithin of the present composition can be, for example, soy lecithin, sunflower lecithin, egg yolk lecithin, or wheat germ lecithin.
  • the present invention is further added with silver particles.
  • This metal acts as a kind of plug, blocking the sweat glands and controlling the output of sweat to the surface of the skin.
  • silver molecules Unlike aluminum and zirconium salts, silver molecules have low toxicity and their low water solubility allows for a controlled release.
  • silver particles are added at a concentration between 0.1% and 5% by mass. In one embodiment, silver particles are dispersed in the emulsion matrix. In one embodiment, the silver particles are silver microparticles. In one embodiment, the silver particles are silver nanoparticles.
  • the present composition is further added to a fatty material, with the aim of improving skin softness and moisturizing it through the occlusion of the epithelial tissue.
  • Said fatty material can be, for example: petroleum jelly, coconut oil, olive oil, evening primrose oil, castor oil, argan oil, ojon oil, macadamia oil, jojoba oil, rosemary oil, oil.
  • avocado peanut oil, tea tree oil, cocoa butter, cupuaçu butter, sweet almond oil, cetostearyl alcohol, cetyl alcohol, octyl stearate, dicaprylic ether, isopropyl myristate, glyceryl monostearate, glyceryl oleate, mineral oil, isopropyl palmitate, octyl palmitate, capric/caprylic acid triglycerides, caprylate caprate, cetofluoro-polyesteryl isonanoate, an ether their combinations.
  • the added fatty material is cocoa butter. This addition can be between 0.1% and 15% by mass. In one embodiment, the added fatty material is coconut oil. This addition can be between 0.1% and 15% by mass. In one embodiment, the added fatty material is sweet almond oil. This addition can be between 0.1% and 15% by mass.
  • the present composition is further added with an active ingredient, which can be, for example: Aloe vera, chamomile extract, caffeine, guarana extract, bamboo extract, aça ⁇ extract, hydrolyzed wheat protein , urea, allantoin, camphor, ceramide protein A2, menthol, buriti oil, wheat germ oil, passion fruit oil, pomegranate seed oil, grape seed oil, seaweed extract, burdock extract, hops, thymus extract, juju extract, ginger extract, fennel extract, hipperic extract, yerba extract, mint extract, lemon oil, sage extract, black tea, green tea, jaborandi extract, catuaba extract, marapuama extract, watercress extract or any of its compositions.
  • an active ingredient can be, for example: Aloe vera, chamomile extract, caffeine, guarana extract, bamboo extract, aça ⁇ extract, hydrolyzed wheat protein , urea, allantoin, camphor, cer
  • the added active ingredient is allantoin. This addition can be between 0.1% and 10% by mass. In one embodiment, the added active ingredient is Aloe vera. This addition can be between 0.1% and 10% by mass. In one embodiment, the added active ingredient is burdock extract. This addition can be between 0.1% and 10% by mass. In one embodiment, the added active ingredient is caffeine. This addition can be between 0.1% and 10% by mass. [048] In one embodiment, the present composition is further added with a surfactant, which aims to provide emulsification formation properties, wettability and solubilization.
  • a surfactant which aims to provide emulsification formation properties, wettability and solubilization.
  • Said surfactant can be, by example: isoamyl laurate, sufactin, iturine, undecylenic acid, undecyl sulfate, caprylyl glycol, lanolin, cross copolymer of acrylates and C10/C30 alkyl acrylates; sorbitan monolaurate; PEG-20 sorbitan monolaurate; PEG-20 methyl glucose distearate; or any of their combinations, sodium lauryl ether sulfate, triethanolamine lauryl sulfate, cetostearyl alcohol, cetyltrimethylammonium chloride, behenyltrimethylammonium chloride, cocoamidopropylbetaine, sodium cocoamphoacetate, laurylpolyglycoside, glyceryl monostearate, ethoxylated potassium ethyl alcohol, coconut fatty acid diethanolamide, or any of its compositions.
  • These surfactants can also have antibacterial activities, disturbing the phospholipid
  • the added surfactant is cetyl alcohol. This addition can be between 0.1% and 10% by mass. In one embodiment, the added surfactant is sodium acrylate/acryloyl-dimethyltaurate/dimethylacrylamide cross-polymer. This addition can be between 0.1% and 10% by mass. In one embodiment, the added surfactant is isoamyl laurate. This addition can be between 0.1% and 10% by mass.
  • the present composition is also added with a thickener, which aims to provide swelling capacity and viscosity to the composition, ensuring gel appearance to the product.
  • Said thickener can be, for example: cassava starch, corn starch, potato starch, rice starch, wheat starch, cassava starch, tapioca starch, arrowroot starch, yam starch, or any combination of the above , guar gum, xanthan gum, natrosol gel, silica, hydroxymethylcellulose, hydroxyethylcellulose, or any combinations thereof.
  • the added thickener is arrowroot starch. This addition can be between 0.1% and 15% by mass. In one embodiment, the added thickener is tapioca starch. This addition can be between 0.1% and 15% by mass. In one embodiment, the added thickener is silica. This addition can be between 0.1% and 15% by mass.
  • the concentration of added antioxidant is between 0.01% and 6% by mass.
  • the antioxidant allows you to keep the formulation with the same color and odor for a longer time, in addition to helping to prevent premature skin aging and protect it from free radicals induced by ultraviolet light.
  • the antioxidant is tocopherol.
  • the present invention also relates to cosmetic products prepared from the compositions described herein, particularly deodorants and antiperspirants, particularly for individual use.
  • the present invention also refers to the cosmetic use of the composition as defined above, characterized by preventing odors. It also refers to its cosmetic use to reduce perspiration at the skin application site. It also refers to the continuous use of such a composition, with daily application. It also refers to cosmetic use in the armpit region. It also refers to cosmetic use in intimate regions.
  • the present invention further relates to the method of applying the composition, as defined above, characterized in that it comprises the topical application to the surface of the skin of a cosmetically effective amount of said composition. It further relates to the method of application which involves dispersing the product over the skin surface and keeping the product on the skin surface for at least one hour. It also refers to the method of daily product application, in which the product is applied at least once a day. It also refers to the application method which consists of placing a tube containing the present composition in contact with the skin.
  • compositions according to the present invention are described.
  • the compositions proved to be stable and usable emulsions. Its preparation was carried out through the means already widely disclosed in the state of the art and known to a person skilled in the art.
  • composition described here is safe for use in cosmetics and personal care products due to its method of obtaining, which is free of chemicals, and also due to its non-irritable characteristics to the skin.
  • use of the aforementioned concentrations of alpha-hydroxy-acids, as well as micro-silver particles, complies with ECOCERT standards by providing a product with the use of natural and organic cosmetic ingredients.

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Abstract

La présente invention relève du domaine des compositions cosmétiques, notamment des compositions anti-transpiration comprenant des alpha-hydroxy-acides à poids moléculaire élevé, leur utilisation cosmétique et leur procédé d'application. L'invention concerne une nouvelle composition anti-transpiration naturelle et hypoallergénique comprenant des constituants naturels. De manière générale, la présente invention décrit une composition renfermant un alpha-hydroxy-acide à poids moléculaire élevé, du beurre de karité, du panthénol, du stéarate de glycéryle, de l'acide stéarique, de la lécithine et un véhicule pharmaceutiquement acceptable. La composition peut également comprendre des particules d'argent, de matières grasses, des principes actifs, des agents tensioactifs, des épaississants et des antioxydants. La présente invention permet d'obtenir un produit anti-transpiration à hautes concentrations en alpha-hydroxy-acide, stable et non agressif pour la peau de l'utilisateur.
PCT/BR2020/050577 2019-12-24 2020-12-22 Composition anti-transpiration, utilisation cosmétique et son procédé d'application WO2021127768A1 (fr)

Applications Claiming Priority (2)

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BRBR1020190278048 2019-12-24
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004010985A1 (fr) * 2002-07-29 2004-02-05 John Adrian Betts Deodorant personnel
BRPI0510259A (pt) * 2004-04-27 2008-01-02 Beiersdorf Ag formulação cosmética ou dermatológica transparente
BRPI0514935A (pt) * 2004-09-07 2008-07-01 Pure Bioscience composição de higiene pessoal e doméstica e método de usar uma composição de higiene pessoal e doméstica
US20110200545A1 (en) * 2010-02-14 2011-08-18 Nyangenya Maniga Deodorant composition and methods for use thereof
US20110256082A1 (en) * 2010-04-17 2011-10-20 Shannon Elizabeth Klingman Antiperspirants and Deodorants
WO2012167900A2 (fr) * 2011-06-07 2012-12-13 Beiersdorf Ag Compositions cosmétiques ou dermatologiques sous forme d'émulsions et ayant une libération de parfum améliorée

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004010985A1 (fr) * 2002-07-29 2004-02-05 John Adrian Betts Deodorant personnel
BRPI0510259A (pt) * 2004-04-27 2008-01-02 Beiersdorf Ag formulação cosmética ou dermatológica transparente
BRPI0514935A (pt) * 2004-09-07 2008-07-01 Pure Bioscience composição de higiene pessoal e doméstica e método de usar uma composição de higiene pessoal e doméstica
US20110200545A1 (en) * 2010-02-14 2011-08-18 Nyangenya Maniga Deodorant composition and methods for use thereof
US20110256082A1 (en) * 2010-04-17 2011-10-20 Shannon Elizabeth Klingman Antiperspirants and Deodorants
WO2012167900A2 (fr) * 2011-06-07 2012-12-13 Beiersdorf Ag Compositions cosmétiques ou dermatologiques sous forme d'émulsions et ayant une libération de parfum améliorée

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