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WO2012064557A2 - Compositions déodorantes - Google Patents

Compositions déodorantes Download PDF

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Publication number
WO2012064557A2
WO2012064557A2 PCT/US2011/058892 US2011058892W WO2012064557A2 WO 2012064557 A2 WO2012064557 A2 WO 2012064557A2 US 2011058892 W US2011058892 W US 2011058892W WO 2012064557 A2 WO2012064557 A2 WO 2012064557A2
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WIPO (PCT)
Prior art keywords
aluminum
composition
salt
amino acid
alkanoyl
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.)
Ceased
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PCT/US2011/058892
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English (en)
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WO2012064557A3 (fr
Inventor
Nava Dayan
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Lipo Chemicals Inc
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Lipo Chemicals Inc
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Publication of WO2012064557A2 publication Critical patent/WO2012064557A2/fr
Publication of WO2012064557A3 publication Critical patent/WO2012064557A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • A61K8/41—Amines
    • 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
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • 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
    • A61Q17/005—Antimicrobial preparations

Definitions

  • the present invention is directed to deodorizing compositions containing phytosphingosine and an N a -(C 1 -C22)alkanoyl di-basic amino acid (Q-C ⁇ ) ester, like ethyl lauroyl arginate, or a salt thereof.
  • the deodorizing compositions inhibit growth of bacteria that degrade malodor-causing components present in perspiration.
  • the composition can be a deodorant composition or a cleansing composition.
  • the deodorant compositions can further contain an antiperspirant compound, like an astringent salt, and/or additional deodorants.
  • the present invention also is directed to methods of using the deodorizing compositions.
  • Perspiration also contains natural antibiotics, i.e., dermicidins, that protect the skin.
  • Perspiration further leads to the generation of undesired malodors, attributed at least in part to degradation of perspiration components by enzymes released from Corynebacterium species.
  • Deodorizing compositions are well known in the cosmetic and cleansing arts.
  • An ideal deodorizing composition is stable for the life of the composition, effectively delivers the deodorizing compound to the skin, and is esthetically pleasing to the consumer.
  • Deodorizing compositions are available in a variety of forms, such as aerosol suspensions, pump sprays, roll-on powders, solutions, dispensers, liquid emulsions, solid gels, waxes, and suspensions. Deodorizing compositions are used by rubbing or spraying an area of the body, such as the underarm, to apply a layer of the composition to the skin, and thereby reduce odor, and in some cases, perspiration.
  • Antiperspirants are effective, but do not completely eliminate perspiration.
  • Perspiration contains organic components that are degraded by bacteria on the skin and can generate malodors. Therefore, body odor can result even when an antiperspirant or deodorizing composition is used on a continuous basis.
  • the axilla is a region on human body that is colonized with two types of bacteria, staphylococcus and corynebacterium.
  • staphylococcus and corynebacterium.
  • These malodorants are a result of perspiration degradation by Corynebacteria enzymes.
  • the first class of components is steroid derivatives, namely steroid 5-alpha androst- 16-en-3-one and 5-alpha androst-16-en-3-alpha-ol.
  • the second class of components is branched fatty acids, particularly (E)-3-methyl-2-hexenoic acid and 3-hydroxy-3-methyl hexanoic acid.
  • the third component is a group of volatile sulfanylalkanols, and primarily 3- methyl-3-sulfanylhexan-l-ol.
  • Evidence suggests that the steroidal molecules produce more of a musky/urine scent, whereas the fatty acids (branched and straight chain, and unsaturated) increasingly are thought to cause the more "traditional" axillary malodor.
  • deodorizing lines and using different marketing approaches, such as gender and age segmentation.
  • Some recent deodorizing products incorporate provitamins to improve skin smoothness, or prolong malodor control by using a sustained deodorizing delivery system.
  • One recent advance in the art is use of philodendron plant extract to inhibit bacterial degradation of perspiration.
  • the present invention is directed to compositions and methods that control or eliminate malodors resulting from bacterial degradation of various organic components of perspiration.
  • the present invention relates to deodorizing compositions having improved efficacy in controlling perspiration-related malodors, and to methods of using the
  • compositions More particularly, the present invention is directed to a deodorizing composition
  • a deodorizing composition comprising (i) sphingosine, a sphingosine derivative, or a mixture thereof, like phytosphingosine and (ii) an N a -(C 1 -C22)alkanoyl di-basic amino acid alkyl (Q-C ⁇ ) ester, like ethyl lauroyl arginate, or a salt thereof.
  • the present invention also relates to methods of treating or preventing malodors associated with human perspiration, especially underarm odor.
  • the methods comprise topically applying an effective amount of a deodorizing composition of the present invention to the skin of a human.
  • the deodorizing composition can be in the form of a deodorant composition, an antiperspirant, or a cleansing composition.
  • a present composition also can be used to treat superficial infections, or to protect the skin from superficial infections.
  • Figure 1 is a transmission electron microscopy image of S. aureus prior to treatment with phytosphingosine
  • Figure 2 is a transmission electron microscopy image of S. aureus after treatment with phytosphingosine.
  • the sphingosine, sphingosine derivatives, or mixture thereof has a generic structure (I) or (II): wherein Ri and R 2 are alkyl or alkenyl chains of 8 to 20 carbons.
  • Sphingosine is a basic, long-chain, unsaturated aminoalcohol found combined with lipids in the skin, in the brain, and in nerve tissue. Sphingosine is a precursor of ceramide. Sphingosine has a formula of C 18 H3 N0 2 , and a structure as follows:
  • Sphingosine derivatives useful in the present invention include, but are not limited to, sapienic acid, phytosphingosine, dihydrosphingosine, and 6-hydroxysphingosine. These compounds have the following structures, and can be used individually, with sphingosine, or in any combination (including with sphingosine) in a present antiperspirant deodorant composition:
  • a preferred sphingosine is a phytosphingosine.
  • Phytosphingosine is available commercially, e.g., in 95% purity.
  • the present method and compositions comprise sphingosine, a sphingosine derivative, or a mixture thereof in an amount of about 0.0001% to about 5%, by weight of the composition.
  • sphingosine, a sphingosine derivative, or a mixture thereof is present in an amount of about 0.01% to about 2%, and more preferably about 0.05% to about 1%, by weight of the composition.
  • N a -(C 1 -C22)alkanoyl di-basic amino acid alkyl (Q-C ⁇ ) esters are disclosed in U.S. Patent Publication No. 2010/0173993, incorporated herein by reference.
  • the dibasic amino acid is selected from the group consisting of arginine, lysine, histidine, and tryptophan.
  • a preferred compound is ethyl lauroyl arginate (LAE).
  • the di-basic amino acid ester is a salt.
  • the anion of the salt preferably is a laurate salt.
  • LAE ethyl lauroyl arginate
  • salts of the modified dibasic amino acids also provide excellent antibacterial compounds.
  • Preferred salts are a salt of a carboxylic acid, preferably a long chain carboxylic acid, e.g., a C8-C26 carboxylic acid, a hydroxycarboxylic acid, or a polycarboxylic acid, e.g., lactic acid, tartaric acid, and/or citric acid.
  • the salt also can be a salt of an inorganic acid, such as hydrochloric acid and/or phosphoric acid.
  • FBC concentrations
  • LAE laurate lauric acid salt
  • phytosphingosine The combination of the lauric acid salt (LAE laurate) and phytosphingosine is 8 to 17 times more effective than triclosan.
  • LAE laurate alone is two fold more effective than triclosan.
  • the main bacteria shown to contribute to malodor is the striatum strain. It has been shown that one particular Corynebacteria strain, the striatum, is responsible for the release of enzymes that convert sweat compounds to malodor compounds. This strain is the most sensitive to the combination of LAE laurate and phytosphingosine.
  • FIC ⁇ 0.5 indicates agents have synergistic activity (e.g., each agent a fourth of its Minimum Inhibitory Concentration (MIC) or less)
  • FIC >0.5-4 indicates agents have additive activity (e.g., each agent at half of its MIC)
  • FIC > 4.0 indicates agents have antagonistic activity (e.g., each agent at twice MIC or higher)
  • Effective deodorizing compositions free of an astringent salt provide benefits, such as reducing or eliminating contact dermatitis, and eliminating contact with aluminum salts that are connected with breast cancer, Alzheimer's disease, and clogged sweat pores leading to infected sweat glands.
  • the present compositions outperform deodorants which merely mask malodors.
  • Deodorants also may be limited by possessing a particular odor that mixes with the perspiration malodor to create an undesired combination of odors.
  • compositions also comprise a carrier, which typically is aqueous based, and other ingredients commonly used in topically-effective compositions, such as surfactants, dyes, formulation aids, and solvents.
  • a carrier typically is aqueous based
  • other ingredients commonly used in topically-effective compositions such as surfactants, dyes, formulation aids, and solvents.
  • the compositions typically have a pH of about 2 to about 9, preferably about 3 to about 8, and more preferably about 4 to about 7.5.
  • the present deodorizing compositions optionally can incorporate any of the antiperspirant compounds known in the art, such as the astringent salts.
  • the astringent salts include organic and inorganic salts of aluminum, zirconium, zinc, and mixtures thereof. These astringent salts are polymeric in nature, and preferably contain hydroxyl moieties.
  • the anion of the astringent salt can be, for example, sulfate, chloride, chlorohydroxide, alum, formate, lactate, benzyl sulfonate, or phenyl sulfonate.
  • Exemplary classes of antiperspirant astringent salts include aluminum halides, aluminum hydroxyhalides, zirconyl oxyhalides, zirconyl hydroxyhalides, and mixtures thereof.
  • Exemplary aluminum salts include aluminum chloride and the aluminum
  • hydroxyhalides having the general formula Al 2 (OH) x Q y *XH 2 0, wherein Q is chlorine, bromine, or iodine; x is about 2 to about 5; x+y is about 6, wherein x and y are not necessarily integers; and X is about 1 to about 6.
  • Exemplary zirconium compounds include zirconium oxy salts and zirconium hydroxy salts, also referred to as zirconyl salts and zirconyl hydroxy salts, and represented by the general empirical formula ZrO(OH) 2 - nz L z , wherein z varies from about 0.9 to about 2 and is not necessarily an integer; n is the valence of L; 2-nz is greater than or equal to 0; and L is selected from the group consisting of halides, nitrate, sulfamate, sulfate, and mixtures thereof.
  • the antiperspirant compound is present in the antiperspirant composition, if at all, in an amount of about 1% to about 40%, and preferably about 5% to about 30%, by weight of the composition. To achieve the full advantage of the present invention, the antiperspirant compound is present in an amount of about 10% to about 25% by weight of the antiperspirant composition.
  • antiperspirant compounds are water soluble.
  • Exemplary antiperspirant compounds include, but are not limited to, aluminum chlorohydrate, aluminum- zirconium tetrachlorohydrate, an aluminum- zirconium polychlorohydrate complexed with glycine, aluminum-zironcium trichlorohydrate, aluminum-zirconium octachlorohydrate, aluminum sesquichlorohydrate, aluminum sesquichlorohydrex PG, aluminum chlorohydrex PEG, aluminum zirconium octachlorohydrex glycine complex, aluminum zirconium pentachlorohydrex glycine complex, aluminum zirconium tetrachlorohydrex glycine complex, aluminum zirconium trichlorohydrex glycine complex, aluminum chlorohydrex PG, zirconium chlorohydrate, aluminum dichlorohydrate, aluminum dichlorohydrex PEG, aluminum dichlorohydrex PG, aluminum sesquichlorohydrex PG
  • CTFA Cosmetic Ingredient Handbook The Cosmetic, Toiletry and Fragrance Association, Inc., Washington, D.C., p. 56, 1988, hereinafter the CTFA Handbook, incorporated herein by reference.
  • Preferred antiperspirant compounds are the aluminum-zirconium chlorides complexed with an amino acid, like glycine, and the aluminum chlorohydrates.
  • Preferred aluminum-zirconium chloride glycine complexes have an aluminum (Al) to zirconium (Zr) ratio of about 1.67 to about 12.5, and a total metal (Al+Zr) to chlorine ratio (metal to chlorine) of about 0.73 to about 1.93.
  • These antiperspirant compounds typically are acidic in nature, thereby providing an antiperspirant composition having a pH less than 7, and typically having a pH of about 2 to about 6, and preferably about 3 to about 5.
  • a present composition also can contain an additional deodorant.
  • a deodorant is a compound that reduces or masks unpleasant odors and helps protect against the formation of malodors on skin surfaces. Absorbents can act as deodorants because of an ability to absorb malodorous chemicals. Perfumes and the like can be used to mask the perception of malodor by the process of re-odorization. Unpleasant odors also can result from microbiological activity. Therefore, cosmetic biocides frequently are used in topically applied deodorants.
  • Examples of cosmetic biocides include, but are not limited to, ammonium phenolsulfonate, benzalkonium chloride, benzethonium chloride, cetylpyridinium chloride, chlorophyllin-copper complex, chlorothymol, chloroxylenol, cloflucarban, dichloro-m- xylenol, methylbenzethonium chloride, phenol, sodium phenolsulfonate, triclocarban, triclosan, zinc phenolsulfonate, zinc ricinoleate, and mixtures thereof.
  • absorbent deodorants include, but are not limited to, bentonite, corn starch, diatomaceous earth, Fullers earth, hectorite, hydrated silica, kaolin, magnesium aluminum silicate, montmorillonite, potato starch, oat flour, rice starch, silica, talc, wheat starch, and mixtures thereof.
  • a composition of the present invention also can include about 0.5% to about 70%, and preferably about 1% to about 50%, by weight of the composition, of a surfactant, preferably a nonionic surfactant or a nonionic surfactant blend, having an HLB value of about 3 to about 20.
  • a surfactant preferably a nonionic surfactant or a nonionic surfactant blend, having an HLB value of about 3 to about 20.
  • the HLB value of a particular nonionic surfactant can be found in McCutcheon's Emulsifiers and Detergents, North American and International Editions, MC Publishing Co., Glen Rock, NJ (1993) (hereinafter McCutcheon's).
  • McCutcheon's the HLB value of a particular nonionic surfactant can be estimated by dividing the weight percent of oxyethylene in the surfactant by five (for surfactants including only ethoxy moieties).
  • the HLB value of a nonionic surfactant blend can be determined by the following formula:
  • HLB (wt. A)(HLB A )+(wt. B)(HLB B ) n
  • wt.% A and wt.% B are the weight percent of nonionic surfactants A and B in the nonionic surfactant blend
  • HLBA and HLBB are the HLB values for nonionic surfactants A and B, respectively.
  • nonionic surfactants include, but are not limited to, polyoxyethylene ethers of fatty (C 6 -C 22 ) alcohols, polyoxypropylene ethers of fatty (C 6 -C 22 ) alcohols, dimethicone copolyols, ethoxylated alkylphenols, polyethylene glycol ethers of methyl glucose, polyethylene glycol ethers of sorbitol, and mixtures thereof.
  • nonionic surfactants having an HLB value of 10 or greater than can be used alone or in the nonionic surfactant blend include, but are not limited to, methyl gluceth- 20, methyl gluceth-10, PEG-20 methyl glucose distearate, PEG-20 methyl glucose sesquistearate, PEG-200 castor oil, Cn-ispareth-20, ceteth-8, ceteth-12, dodoxynol-12, laureth-15, PEG-20 castor oil, polysorbate 20, steareth-20, polyoxyethylene-10 cetyl ether, polyoxyethylene-10 stearyl ether, polyoxyethylene-20 cetyl ether, polyoxyethylene-21 stearyl ether, polyoxyethylene-10 oleyl ether, polyoxyethylene-20 oleyl ether, an ethoxylated nonylphenol, ethoxylated octylphenol, ethoxylated dodecylphenol or ethoxylated fatty (C 6
  • polyoxyethylene-20 sorbitan monoesters polyoxyethylene-80 castor oil, polyoxyethylene- 15 tridecyl ether, polyoxyethylene-6 tridecyl ether, and mixtures thereof.
  • nonionic surfactants having an HLB value of less than 10 that can be used in the nonionic surfactant blend, include, but are not limited to, laureth-2, laureth-3, laureth-4, PEG-3 castor oil, an ethoxylated nonylphenol, ethoxylated octylphenol, ethoxylated dodecyphenol or ethoxylated fatty (C6-C22) alcohol having less than 9 ethylene oxide moieties, PEG-600 dioleate, PEG-400 dioleate, and mixtures thereof.
  • anionic or cationic surfactants can be used as the surfactant.
  • Exemplary anionic surfactants such as salts of fatty (C8-C22) acids, are disclosed in McCutcheon's at pages 263-266, incorporated herein by reference.
  • Exemplary cationic surfactants are disclosed in McCutcheon's at pages 272-273 and in U.S. Patent Publication 2003/0086896, each incorporated herein by reference.
  • the carrier of the present composition comprises water.
  • the carrier typically further comprises a water-soluble solvent.
  • Exemplary carriers, in addition to water include, but are not limited to, ethylene glycol, propylene glycol, butylene glycol, pentylene glycol, propylene carbonate, dimethyl isosorbide, hexylene glycol, ethanol, n-butyl alcohol, n-propyl alcohol, isopropyl alcohol, and mixtures thereof.
  • the carrier is present in a sufficient amount to solubilize, disperse, or hydrate the essential and optional ingredients of the composition.
  • the composition also can include a water-insoluble, oil-soluble, or hydrophobic compound, such as isohexadecene or 1-decene dimer.
  • a water-insoluble, oil-soluble, or hydrophobic compound such as isohexadecene or 1-decene dimer.
  • Such water-insoluble compounds are not present as a carrier of the composition, but are included as optional ingredients for a specific purpose, such as faster drying time, better skin feel, or ease of application.
  • the hydrophobic compound can be, for example, an aliphatic hydrocarbon, a water- insoluble ester, a water-insoluble ether, a fatty (C 8 -C 12 ) alcohol, or a siloxane. These hydrophobic compounds improve the feel of the composition on the skin, allow easier application of the composition to the skin, and allow the skin to dry faster after application of the composition.
  • Hydrophobic aliphatic hydrocarbons incorporated into the composition include, for example, hydro genated polybutenes, isoeicosane, isohexadecane, 1-decene dimer, mineral oils, nonvolatile hydrocarbon fluids, and hydrocarbons depicted in general structural formula (I), wherein n ranges from 2 to 5, CH 3 CH 3
  • Volatile hydrocarbons such as hydrocarbon including about 10 to about 30 carbon atoms, having sufficient volatility to slowly volatilize from the skin after application of the composition.
  • the volatile hydrocarbons provide benefits such as lubrication, a rich feel during application and faster drying.
  • Specific volatile hydrocarbons having the structural formula (I) are the commercially- available compounds PERMETHYL 99A and
  • PERMETHYL 101 A corresponding to compounds of general structure (I) wherein n is 2 and 3, respectively, and PERMETHYL 102A, available from Permethyl Corporation, Pottstown, PA.
  • Siloxanes included in the compositions provide the same benefits as the aliphatic hydrocarbons.
  • exemplary siloxanes include phenyltrimethicone; cyclic or linear, low molecular weight, volatile polydimethylsiloxanes known as cyclomethicones and
  • cyclomethicones are low viscosity, low molecular weight, water-insoluble cyclic compounds having an average of about 3 to about 6 -[0-Si(CH 3 ) 2 ]- repeating group units per molecule.
  • Cyclomethicones are available commercially under the tradenames SILICONE 344 FLUID and SILICONE 345 FLUID from Dow Corning Corporation, Midland, ML and SILICONE SF-1173 and SILICONE 8F- 1202 from General Electric, Waterford, NY, for example.
  • CORNING 200 FLUID from Dow Corning Corp., Midland, ML DOW CORNING 200 FLUID has a viscosity of 0.65 cs (centistokes), is highly volatile, is nongreasy, and provides lubrication for topical application of the composition of the present invention to the skin.
  • Other linear polydimethylsiloxanes such as decamethyltetrasiloxane, octamethyltrisiloxane, and dodecamethylpentasiloxane, also have sufficient volatility to provide a dry feel after application.
  • Other useful linear siloxanes are hexyl dimethicone, polyphenylmethylsiloxane, and bisphenylhexamethicone.
  • Nonvolatile siloxanes also can be used as the hydrophobic compound.
  • the volatile siloxanes and aliphatic hydrocarbons can be used alone, in combination, or in combination with nonvolatile siloxanes and/or nonvolatile aliphatic hydrocarbons.
  • Other suitable hydrophobic compounds include waxes, oils, and fats, and water- insoluble emollients, like fatty (C8-C22) alcohols, ethers, and esters.
  • Exemplary hydrophobic compounds include, but are not limited to, dioctyl adipate, isopropyl myristate, isopropyl palmitate, isostearyl benzoate, and polypropylene- 15 stearyl ether.
  • Typical emollients are listed in the CTFA Handbook at pages 23 through 28, incorporated herein by reference.
  • the present compositions also can include other optional ingredients traditionally included in antiperspirant compositions.
  • These optional ingredients include, but are not limited to, dyes, fragrances, preservatives, antioxidants, detackifying agents, deodorizing agents, and similar types of compounds. These optional ingredients typically are included in the composition in an amount of about 0.01% to about 10%, by weight of the composition.
  • the present compositions can be transparent.
  • opacifying agents, pearlescent agents, or fillers e.g., titanium dioxide or a styrene/acrylamide latex
  • fillers e.g., titanium dioxide or a styrene/acrylamide latex
  • the presence of such ingredients does not adversely affect the efficacy of the composition and are added to achieve a desired esthetic effect.
  • composition Each of these ingredients, and any other ingredient, is present in a sufficient amount to perform its intended function, without adversely affecting the efficacy of sphingosine with respect to controlling perspiration-related malodors.
  • a present composition therefore also can contain an additional organic solvent.
  • the solvent can be a water-soluble organic compound containing one to six, and typically one to three, hydroxyl groups, e.g., alcohols, diols, triols, and polyols.
  • solvents include, but are not limited to, methanol, ethanol, isopropyl alcohol, n-butanol, n- propyl alcohol, ethylene glycol, propylene glycol, glycerol, diethylene glycol, dipropylene glycol, tripropylene glycol, hexylene glycol, butylene glycol, pentylene glycol, 1,2,6- hexanetriol, sorbitol, PEG-4, 1,5-pentanediol, similar hydroxy-containing compounds, and mixtures thereof.
  • the solvent also can be water or an aprotic solvent, e.g., dimethyl sulfoxide or tetrahydrofuran.
  • a present composition also can contain a thickening or gelling agent.
  • a thickening or gelling agent can be, for example, a polymer that is water soluble or that generates a colloidal solution in water.
  • a thickening or gelling agent therefore, can be, for example, polymers or copolymers unsaturated carboxylic acids or unsaturated esters, polysaccharide derivatives, gums, colloidal silicates, polyethylene glycols (PEG) and their derivatives, polyvinylpyrrolidones and their derivatives, polyacrylamides and their derivatives, polyacrylonitriles, hydrophilic silica gels, or mixtures thereof.
  • Specific thickening or gelling agents can be, for example, acrylic and/or methacrylic polymers or copolymers, vinylcarboxylic polymers, polyglyceryl acrylates or methacrylates, polyacrylamides derivatives, cellulose or starch derivatives, chitin derivatives, alginates, hyaluronic acid and its salts, chonodroitin sulphates, xanthan, gellan, Rhamsan, karaya or guar gum, carob flour, and colloidal aluminum magnesium silicates of the montmorillonite type.
  • acrylic and/or methacrylic polymers or copolymers vinylcarboxylic polymers, polyglyceryl acrylates or methacrylates, polyacrylamides derivatives, cellulose or starch derivatives, chitin derivatives, alginates, hyaluronic acid and its salts, chonodroitin sulphates, xanthan, gellan, Rhamsan, karaya or guar gum,
  • Additional thickening or gelling agents include vinylcarboxylic polymers sold under the tradename CARBOPOL ® (Goodrich), acrylic acid/ethyl acrylate copolymers, acrylic acid/stearyl methacrylate copolymers, carboxymethylcellulose,
  • hydroxymethylcellulose hydroxypropylcellulose, microcrystalline cellulose, hydroxypropyl guar, colloidal hectorites, bentonites, and the like.
  • optional ingredients included in a present composition can be, but not limited to, pH adjusters, chelating agents, preservatives, buffering agents, foam stabilizers, opacifiers, and similar classes of ingredients known to persons skilled in the art.
  • Specific optional ingredients include inorganic phosphates, sulfates, and carbonates as buffering agents; EDTA and phosphates as chelating agents; and acids and bases as pH adjusters.
  • Nonlimiting examples of basic pH adjusters are ammonia; mono-, di-, and tri-alkyl amines; mono-, di-, and tri-alkanolamines; alkali metal and alkaline earth metal hydroxides; and mixtures thereof.
  • Specific, nonlimiting examples of basic pH adjusters are ammonia; sodium, potassium, and lithium hydroxide; monoethanolamine; triethylamine;
  • acidic pH adjusters are the mineral acids and organic carboxylic acids.
  • mineral acids are citric acid, hydrochloric acid, nitric acid, phosphoric acid, and sulfuric acid.
  • a present deodorizing composition also can be a cleansing composition, for example, but not limited to, a skin cleanser, a body wash, a hair shampoo, a hair conditioner, and other hair and skin treatment products, including body lotions and creams.
  • the cleansing composition contains the LAE laurate and PS, and any additional components typically present in a skin or hair cleaner, for example, the various components listed above.
  • the composition also is effective in treating superficial infections, and in protecting the skin from topical infections.

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Abstract

L'invention concerne des compositions qui inhibent la génération de bactéries présentes dans la transpiration qui sont à l'origine de mauvaises odeurs.
PCT/US2011/058892 2010-11-08 2011-11-02 Compositions déodorantes Ceased WO2012064557A2 (fr)

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US41125910P 2010-11-08 2010-11-08
US61/411,259 2010-11-08

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WO2012064557A3 WO2012064557A3 (fr) 2012-10-04

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3179977A4 (fr) * 2014-08-15 2018-01-10 Nevada Naturals, Inc. Désodorisation et nettoyage de la peau
TWI718069B (zh) * 2019-09-19 2021-02-01 奧倫國際有限公司 具除臭留香之組合物

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EP2067467A3 (fr) * 2007-09-14 2012-12-12 L'Oréal Compositions et procédés pour traiter des substrats kératiniques

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Publication number Priority date Publication date Assignee Title
EP3179977A4 (fr) * 2014-08-15 2018-01-10 Nevada Naturals, Inc. Désodorisation et nettoyage de la peau
TWI718069B (zh) * 2019-09-19 2021-02-01 奧倫國際有限公司 具除臭留香之組合物

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