WO2017100875A1 - Anhydrous antiperspirant composition in the form of a powder - Google Patents
Anhydrous antiperspirant composition in the form of a powder Download PDFInfo
- Publication number
- WO2017100875A1 WO2017100875A1 PCT/BR2015/050265 BR2015050265W WO2017100875A1 WO 2017100875 A1 WO2017100875 A1 WO 2017100875A1 BR 2015050265 W BR2015050265 W BR 2015050265W WO 2017100875 A1 WO2017100875 A1 WO 2017100875A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- composition according
- anhydrous antiperspirant
- fatty acid
- antiperspirant composition
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 108
- 230000001166 anti-perspirative effect Effects 0.000 title claims abstract description 53
- 239000003213 antiperspirant Substances 0.000 title claims abstract description 53
- 239000000843 powder Substances 0.000 title claims abstract description 25
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 37
- 239000000194 fatty acid Substances 0.000 claims abstract description 37
- 229930195729 fatty acid Natural products 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 20
- 239000002781 deodorant agent Substances 0.000 claims abstract description 17
- 229920002545 silicone oil Polymers 0.000 claims abstract description 17
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- 229910052618 mica group Inorganic materials 0.000 claims description 13
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- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- UHHXUPJJDHEMGX-UHFFFAOYSA-K azanium;manganese(3+);phosphonato phosphate Chemical compound [NH4+].[Mn+3].[O-]P([O-])(=O)OP([O-])([O-])=O UHHXUPJJDHEMGX-UHFFFAOYSA-K 0.000 description 1
- 239000000022 bacteriostatic agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- NEUSVAOJNUQRTM-UHFFFAOYSA-N cetylpyridinium Chemical class CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 NEUSVAOJNUQRTM-UHFFFAOYSA-N 0.000 description 1
- RLGQACBPNDBWTB-UHFFFAOYSA-N cetyltrimethylammonium ion Chemical class CCCCCCCCCCCCCCCC[N+](C)(C)C RLGQACBPNDBWTB-UHFFFAOYSA-N 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229960003260 chlorhexidine Drugs 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 1
- QFSKIUZTIHBWFR-UHFFFAOYSA-N chromium;hydrate Chemical compound O.[Cr] QFSKIUZTIHBWFR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008406 cosmetic ingredient Substances 0.000 description 1
- 229940097362 cyclodextrins Drugs 0.000 description 1
- XILPPDQAWPSZIL-UHFFFAOYSA-H dialuminum;dichloride;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[Cl-].[Cl-] XILPPDQAWPSZIL-UHFFFAOYSA-H 0.000 description 1
- KNXDJTLIRRQLBE-UHFFFAOYSA-H dialuminum;propane-1,2-diol;chloride;pentahydroxide;hydrate Chemical compound O.[OH-].[OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[Cl-].CC(O)CO KNXDJTLIRRQLBE-UHFFFAOYSA-H 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- MFGZXPGKKJMZIY-UHFFFAOYSA-N ethyl 5-amino-1-(4-sulfamoylphenyl)pyrazole-4-carboxylate Chemical compound NC1=C(C(=O)OCC)C=NN1C1=CC=C(S(N)(=O)=O)C=C1 MFGZXPGKKJMZIY-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229940043259 farnesol Drugs 0.000 description 1
- 229930002886 farnesol Natural products 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000002333 glycines Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical class C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000013503 personal care ingredient Substances 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000005373 siloxane group Chemical group [SiH2](O*)* 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 108060007951 sulfatase Proteins 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 210000000106 sweat gland Anatomy 0.000 description 1
- 230000003655 tactile properties Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical group [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- CRDAMVZIKSXKFV-UHFFFAOYSA-N trans-Farnesol Natural products CC(C)=CCCC(C)=CCCC(C)=CCO CRDAMVZIKSXKFV-UHFFFAOYSA-N 0.000 description 1
- 229960001325 triclocarban Drugs 0.000 description 1
- 229960003500 triclosan Drugs 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- WGIWBXUNRXCYRA-UHFFFAOYSA-H trizinc;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O WGIWBXUNRXCYRA-UHFFFAOYSA-H 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- DJWUNCQRNNEAKC-UHFFFAOYSA-L zinc acetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 229940043825 zinc carbonate Drugs 0.000 description 1
- 239000011746 zinc citrate Substances 0.000 description 1
- 235000006076 zinc citrate Nutrition 0.000 description 1
- 229940068475 zinc citrate Drugs 0.000 description 1
- 229940071566 zinc glycinate Drugs 0.000 description 1
- 239000011576 zinc lactate Substances 0.000 description 1
- 235000000193 zinc lactate Nutrition 0.000 description 1
- 229940050168 zinc lactate Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229940118827 zinc phenolsulfonate Drugs 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229940100142 zinc pidolate Drugs 0.000 description 1
- GAWWVVGZMLGEIW-GNNYBVKZSA-L zinc ricinoleate Chemical compound [Zn+2].CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O.CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O GAWWVVGZMLGEIW-GNNYBVKZSA-L 0.000 description 1
- 229940100530 zinc ricinoleate Drugs 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- VRGNUPCISFMPEM-ZVGUSBNCSA-L zinc;(2r,3r)-2,3-dihydroxybutanedioate Chemical compound [Zn+2].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O VRGNUPCISFMPEM-ZVGUSBNCSA-L 0.000 description 1
- LPEBYPDZMWMCLZ-CVBJKYQLSA-L zinc;(z)-octadec-9-enoate Chemical compound [Zn+2].CCCCCCCC\C=C/CCCCCCCC([O-])=O.CCCCCCCC\C=C/CCCCCCCC([O-])=O LPEBYPDZMWMCLZ-CVBJKYQLSA-L 0.000 description 1
- UOXSXMSTSYWNMH-UHFFFAOYSA-L zinc;2-aminoacetate Chemical compound [Zn+2].NCC([O-])=O.NCC([O-])=O UOXSXMSTSYWNMH-UHFFFAOYSA-L 0.000 description 1
- BOVNWDGXGNVNQD-UHFFFAOYSA-L zinc;2-hydroxybenzenesulfonate Chemical compound [Zn+2].OC1=CC=CC=C1S([O-])(=O)=O.OC1=CC=CC=C1S([O-])(=O)=O BOVNWDGXGNVNQD-UHFFFAOYSA-L 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0216—Solid or semisolid forms
- A61K8/022—Powders; Compacted Powders
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
-
- 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
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/30—Characterized by the absence of a particular group of ingredients
- A61K2800/31—Anhydrous
Definitions
- the present invention is directed to an anhydrous antiperspirant composition in the form of a powder comprising (a) one or more antiperspirant ingredient; (b) one or more powdered filler; (c) one or more metal salt of a fatty acid; (d) one or more fatty acid ester; (e) one or more non-volatile silicone oil; and (f) optionally one or more deodorant ingredient.
- the compositions are particularly useful for controlling perspiration and body odor from localized areas of the body such as the underarm.
- Sweating though a natural bodily function, results in the formation of wet patches on human skin and/or clothing. Moreover, the sweat secreted from sweat glands has a tendency to form a malodorous odor due to its interaction with the many microorganisms which reside on the skin surface, particularly the skin of the underarm. These two phenomena are deemed to be undesirable in many societies.
- Antiperspirant products possess ingredients which inhibit/suppress sweating, whereas deodorant products possess ingredients that mask the malodors caused by sweat.
- Antiperspirant compositions in the form of a compressed powder are disclosed, for example, in US 3,324,004, US 3,300,367, and US 4,605,553.
- the disclosed compositions suffer from reduced efficacy of the aluminum salt antiperspirant ingredients because of the manner in which they are formulated.
- water is added during manufacture which reduces the effectiveness of the aluminum salt antiperspirant ingredient compared to an anhydrous composition.
- the aluminum salt antiperspirant ingredients are coated with an inert, waxy material. The efficacy of these compositions depends upon disintegration of the coating to release the aluminum salt antiperspirant ingredient which is not always uniform or complete.
- the composition contains an alkaline metal carbonate as a binder, but aluminum salt antiperspirant ingredients are less efficacious in alkaline environments.
- aluminum salt antiperspirant ingredients when used in compressed powders, they tend to absorb moisture which causes the compressed powder to swell, crack, and/or break.
- compositions of the invention comprising an antiperspirant ingredient, a powdered filler, a metal salt of a fatty acid, a fatty acid ester, a non-volatile silicone oil, and, optionally, a deodorant ingredient yield a stable compressed powder which does not crack or break.
- the present invention is directed to an anhydrous composition in the form of a powder comprising:
- the present invention is also directed to a process for suppressing sweat and odor from forming on human skin involving applying the above-disclosed composition onto a surface of the human skin.
- compositions according to the invention may be in the form of a loose powder or a compressed powder.
- the compositions of the present invention may be applied to the body with a sponge, brush, powder puff, cotton ball, pad, tissue, cloth, and the like.
- the compositions of the present invention may also be applied with the fingers.
- the compositions of the present invention may be placed in a dispensing means and applied by spraying, sprinkling, shaking, or rubbing the composition onto the skin.
- anhydrous composition in the form of a powder provides a unique texture and imparts a dry feel and soft touch on the skin which is positively perceived by the end user, as compared to conventional roll-on, spray, or stick products.
- compositions of the present invention control perspiration and optionally also body odor from localized areas of the body such as the underarm.
- One or more as used herein means at least one and thus includes individual components as well as mixtures/combinations.
- anhydrous as used herein means that water is preferably not deliberately added to the compositions, but may be present in trace amounts in the various compounds used in the compositions.
- the term anhydrous means that the composition contains no appreciable amount of water, for example, no more than 5% by weight, or no more than 2% by weight, or no more than 1 % by weight, based on the weight of the composition.
- Substituted means comprising one or more substituents.
- substituents include atoms, such as oxygen atoms and nitrogen atoms, as well as functional groups, such as hydroxyl groups, ether groups, alkoxy groups, acyloxyalkyl groups, oxyalkylene groups, polyoxyalkylene groups, carboxylic acid groups, amine groups, acylamino groups, amide groups, halogen containing groups, ester groups, thiol groups, sulphonate groups, thiosulphate groups, siloxane groups, and polysiloxane groups.
- the substituent(s) may be further substituted.
- Polymers include homopolymers and copolymers formed from at least two different types of monomers.
- Cosmetically acceptable means that the item in question is compatible with any keratinous substrate.
- cosmetically acceptable carrier means a carrier that is compatible with any keratinous substrate.
- compositions and methods of the present invention can comprise, consist of, or consist essentially of the essential elements and limitations of the invention described herein, as well as any additional or optional ingredients, components, or limitations described herein or otherwise useful.
- ranges provided are meant to include every specific range within, and combination of subranges between, the given ranges.
- a range from 1 -5 includes specifically 1 , 2, 3, 4 and 5, as well as subranges such as 2- 5, 3-5, 2-3, 2-4, 1 -4, etc.
- ratios are meant to include every specific ratio within, and combination of subranges between, the given ranges.
- the present invention is directed to an anhydrous composition comprising:
- composition is in the form of a powder.
- the present invention is directed to an anhydrous composition comprising:
- the powder is in the form of a compressed powder.
- compositions according to the invention have a dry feel and soft touch on the skin while controlling perspiration and body odor.
- the present invention also is directed to a process for controlling perspiration and body odor comprising applying the composition according to the invention to localized areas of the body such as the underarm.
- the invention also relates to a process for making the composition according to the invention, comprising combining (a) one or more antiperspirant ingredients; (b) one or more deodorant ingredients; (c) one or more powdered fillers; (d) one or more metal salts of a fatty acid;(e) one or more fatty acid esters; and (f) one or more non-volatile silicone oils.
- antiperspirant ingredient means any substance capable of reducing the flow of sweat.
- the antiperspirant ingredients which can be used according to the invention are preferably chosen from aluminium and/or zirconium salts, complexes of zirconium chlorohydrate and of aluminium chlorohydrate with an amino acid, and mixtures thereof.
- Non-limiting examples of aluminum salts useful in the invention include, for example, aluminium chlorohydrate in the activated or nonactivated form, aluminium chlorohydrex, the aluminium chlorohydrex polyethylene glycol complex, the aluminium chlorohydrex propylene glycol complex, aluminium dichlorohydrate, the aluminium dichlorohydrex polyethylene glycol complex, the aluminium dichlorohydrex propylene glycol complex, aluminium sesquichlorohydrate, the aluminium sesquichlorohydrex polyethylene glycol complex, the aluminium sesquichlorohydrex propylene glycol complex, aluminium sulphate buffered by sodium aluminium lactate, and mixtures thereof.
- Non-limiting examples of complexes of zirconium chlorohydrate and aluminium chlorohydrate with an amino include, for example, aluminium zirconium octachlorohydrate, aluminium zirconium pentachlorohydrate, aluminium zirconium tetrachlorohydrate, aluminium zirconium trichlorohydrate, and mixtures thereof.
- Complexes of zirconium chlorohydrate and of aluminium chlorohydrate with an amino acid are generally known under the name ZAG (when the amino acid is glycine). They are disclosed, for example, in patent US-3 792 068.
- the ZAG complexes usually exhibit an Al/Zr quotient ranging from about 1 .67 to 12.5 and a Metal/CI quotient ranging from about 0.73 to 1 .93.
- Non-limiting examples of these complexes include, for example, aluminium zirconium octachlorohydrex glycine, aluminium zirconium pentachlorohydrex glycine, aluminium zirconium tetrachloro- hydrex glycine aluminium zirconium trichlorohydrex glycine complexes, and mixtures thereof.
- the antiperspirant ingredient is aluminium chlorohydrate, in particular the product sold by SummitReheis under the name REACH 103, aluminum sesquichlorohydrate, in particular the product sold by SummitReheis under the name REACH 301 , aluminum zirconium tetrachlorohydrex GLY (INCI name), in particular the product sold by SummitReheis under the name REACH AZP-908, and mixtures thereof.
- the antiperspirant ingredients are preferably present in the composition according to the invention in an amount of from about 1 % to 40% by weight, preferably in an amount of from about 5% to 30% by weight, and most preferably 15% to 25% by weight, based on the total weight of the composition.
- powderered filler means any colorless or white solid particles of any form that are insoluble and dispersed in the medium of the composition.
- Non-limiting examples powdered fillers useful in the invention include, for example, talc, mica, silica, magnesium aluminium silicate, kaolin, bentone, calcium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, perlite powders, fluorphlogopite, sericite, calcinated talc, calcinated mica, calcinated sericite, synthetic mica, lauroyl lysine, metal soap, bismuth oxychloride, barium sulfate, magnesium carbonate, and mixtures thereof.
- Powdered filters do not include powdered pigments.
- the powdered filler will be chosen from talc, perlite, kaolin, and mixtures thereof. More preferably, the powdered filler contains 70% of talc and 30% Perlite by weight. The ratio/proportions of perlite to talc can be determined by a person skilled in the art according to the desirable water absorbing properties.
- the powdered fillers are preferably present in the composition according to the invention in an amount of from about 45% to 90% by weight, preferably in an amount of from about 55% to 80% by weight, and most preferably 60% to 70% by weight, based on the total weight of the composition.
- the anhydrous antiperspirant powder composition comprises metal salt of a fatty acid as a powder agglutinating agent to ensure the use of the powder as a loose powder.
- metal salt of a fatty acid means any metal salt derived from organic carboxylic acids having from 8 to 22 carbon atoms.
- the metal salt of fatty acid that may be used according to the invention is preferably chosen from zinc stearate, magnesium stearate, lithium stearate, zinc laurate, magnesium myristate, and mixtures thereof.
- the metal salt of a fatty acid is magnesium stearate.
- the metal salt of a fatty acid is preferably present in the composition according to the invention in an amount of from about 0,1 % to 15% by weight, preferably in an amount of from about 0,5% to 10% by weight, and most preferably 2% to 6% by weight, based on the total weight of the composition.
- fatty acid ester means any esters having the formula R1 COOR2, wherein R1 represents a linear or branched fatty acid residue containing from 1 to 40 carbon atoms and R2 represents a linear or branched hydrocarbon- based chain containing from 1 to 40 carbon atoms, on condition that the sum of the number of carbon atoms is greater than or equal to 12.
- R1 represents a linear or branched fatty acid residue containing from 1 to 40 carbon atoms
- R2 represents a linear or branched hydrocarbon- based chain containing from 1 to 40 carbon atoms, on condition that the sum of the number of carbon atoms is greater than or equal to 12.
- the fatty acid esters according to the present invention should be in the liquid form at room temperature.
- Non-limiting examples of fatty acid esters useful in the invention include, for example, isopropyl myristate, isopropyl palmitate, isocetyl stearate, 2-ethylhexyl caprate/caprylate (or octyl caprate/caprylate), 2-ethylhexyl palmitate, isostearyl neopentanoate, isononyl isononanoate, hexyl laurate, and the mixtures thereof.
- the fatty acid ester is isononyl isononanoate.
- the fatty acid ester is preferably present in the composition according to the invention in an amount of from about 0,1 % to 10% by weight, preferably in an amount of from about 1 % to 8% by weight, and most preferably 3% to 5% by weight, based on the total weight of the composition.
- non-volatile oil means an oil that remains on the skin or the keratin fiber at room temperature and atmospheric pressure for at least several hours, and that especially has a vapor pressure of less than 10 "3 immHg (0.13 Pa).
- silicon oil means an oil comprising in its structure carbon atoms and at least one silicon atom.
- Non-limiting examples of non-volatile silicone oils useful in the invention include, for example, polydimethylsiloxanes (PDMS), polydimethylsiloxanes comprising alkyl or alkoxy groups that are pendent and/or at the end of a silicone chain, these groups each containing from 2 to 24 carbon atoms, phenyl silicones, for instance phenyl trimethicones, phenyl dimethicones, phenyl trimethylsiloxy diphenylsiloxanes, diphenyl dimethicones, diphenyl methyldiphenyl trisiloxanes and 2-phenylethyl tnmethylsiloxysilicates, dimethicones or phenyltrimethicones with a viscosity range of 25 to 350 cSt, and mixtures thereof.
- PDMS polydimethylsiloxanes
- phenyl silicones for instance phenyl trimethicones, phenyl dim
- the non-volatile silicone oil is dimethicone (INCI name) having a viscosity of 100 cSt sold by Wacker under the name BELSIL® DM 100.
- the non-volatile silicone oils are typically present in the composition according to the invention in an amount of from about 0,1 to 10%, such as from about 1 to 8%, and preferably from about 3 to 5% by weight, based on the total weight of the composition.
- compositions according to the invention optionally may comprise one or more deodorant ingredient.
- deodorant ingredient means any substance capable of reducing, masking, or absorbing human body odors, in particular underarm odors.
- deodorant ingredient agents which may be used according to the invention are preferably chosen from:
- bacteriostatic agents or other bactericidal agents such as 2,4,4'- trichloro-2'-hydroxydiphenylether (Triclosan®), 2,4-dichloro-2'-hydroxydiphenylether, 3',4',5'-trichlorosalicylanilide, 1 -(3',4'-dichlorophenyl)-3-(4'chlorophenyl) urea (Triclocarban®) or 3,7,1 1 -trimethyldodeca-2, 5.10-trienol (Farnesol®); quaternary ammonium salts such as cetyltrimethylammonium salts, cetylpyridinium salts; chlorhexidine and salts; monocaprate, diglycerol monolaurate, diglycerol monolaurate of glycerol; polyhexamethylene biguanide salts;
- zinc salts such as zinc salicylate, zinc phenolsulfonate, zinc pyrrolidonecarboxylate (more commonly called zinc pidolate), zinc sulfate, zinc chloride, zinc lactate, zinc gluconate, zinc ricinoleate, zinc glycinate, zinc carbonate, zinc citrate, zinc chloride, zinc laurate, zinc oleate, zinc orthophosphate, zinc stearate, zinc tartrate, acetate zinc or mixtures thereof;
- - odor absorbers such as zeolites, cyclodextrins, metal oxide silicates, such as those described in the application US2005/063928; metal oxide particles modified by a metal such as described in the applications US2005084464 and US2005084474, aluminosilicates such as those described in application EP1658863, chitosan derived particles such as those described in the patent US6916465;
- odorous compounds such as inhibitors of arylsulfatase, 5-lipoxygenase, aminocyclase, beta -glucoronidase; and mixtures thereof.
- the deodorant ingredient is zinc gluconate.
- the deodorant ingredients are preferably present in the composition according to the invention in an amount of from about 0,05% to 5% by weight, preferably in an amount of from about 0,15% to 3,5% by weight, and most preferably 0.25% to 1 .5% by weight, based on the total weight of the composition.
- composition according to the invention optionally may comprise one or more powdered pigment.
- pigment means any colored and/or iridescent mineral or organic particles that are insoluble in the liquid hydrophilic phase, which are intended to color and/or add iridescence to the composition.
- Non-limiting examples of pigments useful for providing color in the invention include, for example, iron oxides, including red and yellow iron oxides, titanium dioxide, optionally surface-treated, zirconium oxide, zinc oxide, cerium oxide chromium oxide, manganese violet, ultramarine blue, chromium hydrate and ferric blue ultramarine, chromium hydroxide colors, and mixtures thereof.
- the pigments may be interference pigments.
- interference pigments useful in the invention include, for example, mica substrates, bismuth oxycloride substrates, and silica substrates, for instance mica/bismuth oxychloride/iron oxide pigments commercially available as Chroma-Lite® pigments (BASF), titanium dioxide and/or iron oxides coated onto mica such as commercially available Flamenco® pigments (BASF), mica/titanium dioxide/iron oxide pigments including commercially available KTZ® pigments (Kobo products), Cellini® pearl pigments (BASF), borosilicate-containing pigments such as ReflecksTM pigments (BASF), and mixutures thereof.
- mica substrates for example, bismuth oxycloride substrates, and silica substrates
- mica/bismuth oxychloride/iron oxide pigments commercially available as Chroma-Lite® pigments (BASF)
- titanium dioxide and/or iron oxides coated onto mica such as commercially available Flamenco® pigments (BASF
- the pigments may be mother-of-pearl pigments.
- mother-of-peal pigments useful in the invention include, for example, may be selected from white mother-of-pearl pigments such as mica covered with titanium or bismuth oxychloride, colored mother-of-pearl pigments such as titanium mica with iron oxides, titanium mica with ferric blue or chromium oxides, titanium mica with an organic pigment, mother-of-pearl pigments based on bismuth oxychloride, and mixtures thereof.
- the powdery coloring materials are preferably present in the composition according to the invention in an amount of from about 45% to 90% by weight, preferably in an amount of from about 55% to 80% by weight, and most preferably 60% to 70% by weight, based on the total weight of the composition.
- compositions according to the invention may additionally comprise cosmetic adjuvants chosen from fragrances, pigments, chelating agents, softeners, antioxidants, opacifiers, stabilizers, moisturizing agents, vitamins, bactericides, preservatives, polymers, thickening agents, or any other ingredient commonly used in cosmetics for this type of application.
- cosmetic adjuvants chosen from fragrances, pigments, chelating agents, softeners, antioxidants, opacifiers, stabilizers, moisturizing agents, vitamins, bactericides, preservatives, polymers, thickening agents, or any other ingredient commonly used in cosmetics for this type of application.
- composition ingredients serve to illustrate the invention without however exhibiting a limiting character.
- amounts of the composition ingredients are given as weight percentages relative to the total weight of the composition.
- the Inventive formula in Tables 1 and 2 in the form of a powder were prepared by mixing one or more antiperspirant, one or more deodorant actives, one or more powdered fillers; one or more metal salt of a fatty acid, one or more fatty acids, one or more non-volatile silicone oils together.
- the inventive examples had optimized sensorial through the use of silicon oils.
- the formula had unique dry sensorial, which was very appreciated by consumers.
- the formula also showed a very good adherence to the skin which helped to enhance the contact of the active to the skin.
- the formula of the all the inventive Examples had improved the stability while reducing the water absorption of the antiperspirant actives.
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Abstract
The present invention is directed to an anhydrous composition in the form of a powder comprising (a) one or more antiperspirant ingredient; (b) one or more powdered filler; (c) one or more metal salt of a fatty acid; (d) one or more fatty 5 acid ester; (e) one or more non-volatile silicone oil; and (f) optionally one or more deodorant ingredient. The compositions are particularly useful for controlling perspiration and body odor from localized areas of the body such as the underarm.
Description
ANHYDROUS ANTIPERSPIRANT COMPOSITON IN THE FORM OF A POWDER
FIELD OF THE INVENTION
The present invention is directed to an anhydrous antiperspirant composition in the form of a powder comprising (a) one or more antiperspirant ingredient; (b) one or more powdered filler; (c) one or more metal salt of a fatty acid; (d) one or more fatty acid ester; (e) one or more non-volatile silicone oil; and (f) optionally one or more deodorant ingredient. The compositions are particularly useful for controlling perspiration and body odor from localized areas of the body such as the underarm.
BACKGROUND OF THE INVENTION
Sweating, though a natural bodily function, results in the formation of wet patches on human skin and/or clothing. Moreover, the sweat secreted from sweat glands has a tendency to form a malodorous odor due to its interaction with the many microorganisms which reside on the skin surface, particularly the skin of the underarm. These two phenomena are deemed to be undesirable in many societies.
Products are commonly available which help to address both phenomena. More particularly, antiperspirant products possess ingredients which inhibit/suppress sweating, whereas deodorant products possess ingredients that mask the malodors caused by sweat.
In general, currently available commercial antiperspirant and/or deodorant products fall into three dispensing category types: sprays, solids, and roll- ons. These products possess several drawbacks. First, they may have a tendency to impart an unpleasant sticky sensation onto skin when applied thereon. Secondly, they oftentimes take too long to dry after application. Lastly, the tactile properties associated with the product as it is being applied, i.e. the way it "feels" during application, is typically unpleasant to end users.
Antiperspirant compositions in the form of a compressed powder are disclosed, for example, in US 3,324,004, US 3,300,367, and US 4,605,553. The disclosed compositions suffer from reduced efficacy of the aluminum salt antiperspirant ingredients because of the manner in which they are formulated. In US 3,324,004, water is added during manufacture which reduces the effectiveness of the aluminum salt antiperspirant ingredient compared to an anhydrous composition. In US 3,300,367, the aluminum salt antiperspirant ingredients are coated with an inert,
waxy material. The efficacy of these compositions depends upon disintegration of the coating to release the aluminum salt antiperspirant ingredient which is not always uniform or complete. In US 4,605,553, the composition contains an alkaline metal carbonate as a binder, but aluminum salt antiperspirant ingredients are less efficacious in alkaline environments. In addition, when aluminum salt antiperspirant ingredients are used in compressed powders, they tend to absorb moisture which causes the compressed powder to swell, crack, and/or break.
It is an object of the present invention to provide an anhydrous antiperspirant composition in the form of a powder which avoids the above-described drawbacks. In particular, the compositions of the invention comprising an antiperspirant ingredient, a powdered filler, a metal salt of a fatty acid, a fatty acid ester, a non-volatile silicone oil, and, optionally, a deodorant ingredient yield a stable compressed powder which does not crack or break.
SU MMARY O F TH E INVENTION The present invention is directed to an anhydrous composition in the form of a powder comprising:
a) from 1 % to 40% by weight of one or more antiperspirant actives;
b) from 45% to 90% by weight of one or more powdered fillers;
c) from 0.01 % to 15% by weight of metal salt of a fatty acid;
d) from about 0,1 % to 10% by weight of fatty acid esters;
e) from about 0,1 to 10% by weight of one or more non-volatile silicone oils;
and
f) optionally from about 1 % to 40% by weight of one or more deodorant actives.
The present invention is also directed to a process for suppressing sweat and odor from forming on human skin involving applying the above-disclosed composition onto a surface of the human skin.
The compositions according to the invention may be in the form of a loose powder or a compressed powder. The compositions of the present invention may be applied to the body with a sponge, brush, powder puff, cotton ball, pad, tissue, cloth, and the like. The compositions of the present invention may also be applied with the fingers. The compositions of the present invention may be placed in a dispensing means and applied by spraying, sprinkling, shaking, or rubbing the
composition onto the skin.
Applicants have unexpectedly discovered that the above-described anhydrous composition in the form of a powder provides a unique texture and imparts a dry feel and soft touch on the skin which is positively perceived by the end user, as compared to conventional roll-on, spray, or stick products.
DETAILED DESCRIPTION OF THE INVENTION
The compositions of the present invention control perspiration and optionally also body odor from localized areas of the body such as the underarm.
"One or more" as used herein means at least one and thus includes individual components as well as mixtures/combinations.
"Anhydrous" as used herein means that water is preferably not deliberately added to the compositions, but may be present in trace amounts in the various compounds used in the compositions. The term anhydrous means that the composition contains no appreciable amount of water, for example, no more than 5% by weight, or no more than 2% by weight, or no more than 1 % by weight, based on the weight of the composition.
"Substituted," as used herein, means comprising one or more substituents. Non-limiting examples of substituents include atoms, such as oxygen atoms and nitrogen atoms, as well as functional groups, such as hydroxyl groups, ether groups, alkoxy groups, acyloxyalkyl groups, oxyalkylene groups, polyoxyalkylene groups, carboxylic acid groups, amine groups, acylamino groups, amide groups, halogen containing groups, ester groups, thiol groups, sulphonate groups, thiosulphate groups, siloxane groups, and polysiloxane groups. The substituent(s) may be further substituted.
"Polymers," as defined herein, include homopolymers and copolymers formed from at least two different types of monomers.
"INCI" is an abbreviation of International Nomenclature of Cosmetic Ingredients, which is a system of names provided by the International Nomenclature Committee of the Personal Care Products Council to describe personal care ingredients.
"Cosmetically acceptable" means that the item in question is compatible with any keratinous substrate. For example, "cosmetically acceptable carrier" means a carrier that is compatible with any keratinous substrate.
The compositions and methods of the present invention can comprise,
consist of, or consist essentially of the essential elements and limitations of the invention described herein, as well as any additional or optional ingredients, components, or limitations described herein or otherwise useful.
Other than in the operating examples, or where otherwise indicated, all numbers expressing quantities of ingredients and/or reaction conditions are to be understood as being modified in all instances by the term "about."
All percentages, parts and ratios herein are based upon the total weight of the compositions of the present invention, unless otherwise indicated.
As used herein, all ranges provided are meant to include every specific range within, and combination of subranges between, the given ranges. Thus, a range from 1 -5, includes specifically 1 , 2, 3, 4 and 5, as well as subranges such as 2- 5, 3-5, 2-3, 2-4, 1 -4, etc.
As used herein a range of ratios is meant to include every specific ratio within, and combination of subranges between, the given ranges.
In an embodiment, the present invention is directed to an anhydrous composition comprising:
a) from 1 % to 40% by weight of one or more antiperspirant actives;
b) from 45% to 90% by weight of one or more powdered fillers;
c) from 0.01 % to 15% by weight of metal salt of a fatty acid;
d) from about 0,1 % to 10% by weight of fatty acid esters;
e) from about 0,1 to 10% by weight of one or more non-volatile silicone oils; and
f) optionally from about 1 % to 40% by weight of one or more deodorant actives;
wherein the composition is in the form of a powder.
In another embodiment, the present invention is directed to an anhydrous composition comprising:
a) from 1 % to 40% by weight of one or more antiperspirant actives; b) from 45% to 90% by weight of one or more powdered fillers; c) from 0.01 % to 15% by weight of metal salt of a fatty acid;
d) from about 0,1 % to 10% by weight of fatty acid esters;
e) from about 0,1 to 10% by weight of one or more non-volatile silicone oils; and
f) optionally from about 1 % to 40% by weight of one or more
deodorant actives;
wherein the powder is in the form of a compressed powder.
The compositions according to the invention have a dry feel and soft touch on the skin while controlling perspiration and body odor.
The present invention also is directed to a process for controlling perspiration and body odor comprising applying the composition according to the invention to localized areas of the body such as the underarm.
The invention also relates to a process for making the composition according to the invention, comprising combining (a) one or more antiperspirant ingredients; (b) one or more deodorant ingredients; (c) one or more powdered fillers; (d) one or more metal salts of a fatty acid;(e) one or more fatty acid esters; and (f) one or more non-volatile silicone oils.
Other subjects and characteristics, aspects and advantages of the invention will emerge even more clearly on reading the description and the example that follows.
ANTIPERSPIRANT INGREDIENT
The term "antiperspirant ingredient" means any substance capable of reducing the flow of sweat. The antiperspirant ingredients which can be used according to the invention are preferably chosen from aluminium and/or zirconium salts, complexes of zirconium chlorohydrate and of aluminium chlorohydrate with an amino acid, and mixtures thereof.
Non-limiting examples of aluminum salts useful in the invention include, for example, aluminium chlorohydrate in the activated or nonactivated form, aluminium chlorohydrex, the aluminium chlorohydrex polyethylene glycol complex, the aluminium chlorohydrex propylene glycol complex, aluminium dichlorohydrate, the aluminium dichlorohydrex polyethylene glycol complex, the aluminium dichlorohydrex propylene glycol complex, aluminium sesquichlorohydrate, the aluminium sesquichlorohydrex polyethylene glycol complex, the aluminium sesquichlorohydrex propylene glycol complex, aluminium sulphate buffered by sodium aluminium lactate, and mixtures thereof.
Non-limiting examples of complexes of zirconium chlorohydrate and aluminium chlorohydrate with an amino include, for example, aluminium zirconium octachlorohydrate, aluminium zirconium pentachlorohydrate, aluminium zirconium tetrachlorohydrate, aluminium zirconium trichlorohydrate, and mixtures thereof.
Complexes of zirconium chlorohydrate and of aluminium chlorohydrate with an amino acid are generally known under the name ZAG (when the amino acid is glycine). They are disclosed, for example, in patent US-3 792 068. The ZAG complexes usually exhibit an Al/Zr quotient ranging from about 1 .67 to 12.5 and a Metal/CI quotient ranging from about 0.73 to 1 .93. Non-limiting examples of these complexes include, for example, aluminium zirconium octachlorohydrex glycine, aluminium zirconium pentachlorohydrex glycine, aluminium zirconium tetrachloro- hydrex glycine aluminium zirconium trichlorohydrex glycine complexes, and mixtures thereof.
Preferably, the antiperspirant ingredient is aluminium chlorohydrate, in particular the product sold by SummitReheis under the name REACH 103, aluminum sesquichlorohydrate, in particular the product sold by SummitReheis under the name REACH 301 , aluminum zirconium tetrachlorohydrex GLY (INCI name), in particular the product sold by SummitReheis under the name REACH AZP-908, and mixtures thereof.
The antiperspirant ingredients are preferably present in the composition according to the invention in an amount of from about 1 % to 40% by weight, preferably in an amount of from about 5% to 30% by weight, and most preferably 15% to 25% by weight, based on the total weight of the composition.
POWDERED FILLER
The term "powdered filler" means any colorless or white solid particles of any form that are insoluble and dispersed in the medium of the composition.
Non-limiting examples powdered fillers useful in the invention include, for example, talc, mica, silica, magnesium aluminium silicate, kaolin, bentone, calcium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, perlite powders, fluorphlogopite, sericite, calcinated talc, calcinated mica, calcinated sericite, synthetic mica, lauroyl lysine, metal soap, bismuth oxychloride, barium sulfate, magnesium carbonate, and mixtures thereof. Powdered filters do not include powdered pigments.
Preferably, the powdered filler will be chosen from talc, perlite, kaolin, and mixtures thereof. More preferably, the powdered filler contains 70% of talc and 30% Perlite by weight. The ratio/proportions of perlite to talc can be determined by a person skilled in the art according to the desirable water absorbing properties.
The powdered fillers are preferably present in the composition
according to the invention in an amount of from about 45% to 90% by weight, preferably in an amount of from about 55% to 80% by weight, and most preferably 60% to 70% by weight, based on the total weight of the composition.
METAL SALT OF A FATTY ACID
According to the present invention, the anhydrous antiperspirant powder composition comprises metal salt of a fatty acid as a powder agglutinating agent to ensure the use of the powder as a loose powder. The term "metal salt of a fatty acid" means any metal salt derived from organic carboxylic acids having from 8 to 22 carbon atoms. The metal salt of fatty acid that may be used according to the invention is preferably chosen from zinc stearate, magnesium stearate, lithium stearate, zinc laurate, magnesium myristate, and mixtures thereof.
Preferably, the metal salt of a fatty acid is magnesium stearate.
The metal salt of a fatty acid is preferably present in the composition according to the invention in an amount of from about 0,1 % to 15% by weight, preferably in an amount of from about 0,5% to 10% by weight, and most preferably 2% to 6% by weight, based on the total weight of the composition.
FATTY ACID ESTER
The term "fatty acid ester" means any esters having the formula R1 COOR2, wherein R1 represents a linear or branched fatty acid residue containing from 1 to 40 carbon atoms and R2 represents a linear or branched hydrocarbon- based chain containing from 1 to 40 carbon atoms, on condition that the sum of the number of carbon atoms is greater than or equal to 12. The fatty acid esters according to the present invention should be in the liquid form at room temperature. Non-limiting examples of fatty acid esters useful in the invention include, for example, isopropyl myristate, isopropyl palmitate, isocetyl stearate, 2-ethylhexyl caprate/caprylate (or octyl caprate/caprylate), 2-ethylhexyl palmitate, isostearyl neopentanoate, isononyl isononanoate, hexyl laurate, and the mixtures thereof.
Preferably, the fatty acid ester is isononyl isononanoate.
The fatty acid ester is preferably present in the composition according to the invention in an amount of from about 0,1 % to 10% by weight, preferably in an amount of from about 1 % to 8% by weight, and most preferably 3% to 5% by weight, based on the total weight of the composition.
NON-VOLATILE SILICONE OIL
The term "non-volatile oil" means an oil that remains on the skin or the
keratin fiber at room temperature and atmospheric pressure for at least several hours, and that especially has a vapor pressure of less than 10"3 immHg (0.13 Pa). The term "silicone oil" means an oil comprising in its structure carbon atoms and at least one silicon atom.
Non-limiting examples of non-volatile silicone oils useful in the invention include, for example, polydimethylsiloxanes (PDMS), polydimethylsiloxanes comprising alkyl or alkoxy groups that are pendent and/or at the end of a silicone chain, these groups each containing from 2 to 24 carbon atoms, phenyl silicones, for instance phenyl trimethicones, phenyl dimethicones, phenyl trimethylsiloxy diphenylsiloxanes, diphenyl dimethicones, diphenyl methyldiphenyl trisiloxanes and 2-phenylethyl tnmethylsiloxysilicates, dimethicones or phenyltrimethicones with a viscosity range of 25 to 350 cSt, and mixtures thereof.
Preferably, the non-volatile silicone oil is dimethicone (INCI name) having a viscosity of 100 cSt sold by Wacker under the name BELSIL® DM 100.
The non-volatile silicone oils are typically present in the composition according to the invention in an amount of from about 0,1 to 10%, such as from about 1 to 8%, and preferably from about 3 to 5% by weight, based on the total weight of the composition.
DEODORANT INGREDIENT (OPTIONAL)
The compositions according to the invention optionally may comprise one or more deodorant ingredient. The term "deodorant ingredient" means any substance capable of reducing, masking, or absorbing human body odors, in particular underarm odors.
The deodorant ingredient agents which may be used according to the invention are preferably chosen from:
- bacteriostatic agents or other bactericidal agents such as 2,4,4'- trichloro-2'-hydroxydiphenylether (Triclosan®), 2,4-dichloro-2'-hydroxydiphenylether, 3',4',5'-trichlorosalicylanilide, 1 -(3',4'-dichlorophenyl)-3-(4'chlorophenyl) urea (Triclocarban®) or 3,7,1 1 -trimethyldodeca-2, 5.10-trienol (Farnesol®); quaternary ammonium salts such as cetyltrimethylammonium salts, cetylpyridinium salts; chlorhexidine and salts; monocaprate, diglycerol monolaurate, diglycerol monolaurate of glycerol; polyhexamethylene biguanide salts;
- zinc salts such as zinc salicylate, zinc phenolsulfonate, zinc pyrrolidonecarboxylate (more commonly called zinc pidolate), zinc sulfate, zinc
chloride, zinc lactate, zinc gluconate, zinc ricinoleate, zinc glycinate, zinc carbonate, zinc citrate, zinc chloride, zinc laurate, zinc oleate, zinc orthophosphate, zinc stearate, zinc tartrate, acetate zinc or mixtures thereof;
- odor absorbers such as zeolites, cyclodextrins, metal oxide silicates, such as those described in the application US2005/063928; metal oxide particles modified by a metal such as described in the applications US2005084464 and US2005084474, aluminosilicates such as those described in application EP1658863, chitosan derived particles such as those described in the patent US6916465;
- substances blocking the enzymatic reactions responsible for the formation of odorous compounds such as inhibitors of arylsulfatase, 5-lipoxygenase, aminocyclase, beta -glucoronidase; and mixtures thereof.
Preferably, the deodorant ingredient is zinc gluconate.
The deodorant ingredients are preferably present in the composition according to the invention in an amount of from about 0,05% to 5% by weight, preferably in an amount of from about 0,15% to 3,5% by weight, and most preferably 0.25% to 1 .5% by weight, based on the total weight of the composition.
POWDERED PIGMENT (OPTIONAL)
The composition according to the invention optionally may comprise one or more powdered pigment. The term "pigment" means any colored and/or iridescent mineral or organic particles that are insoluble in the liquid hydrophilic phase, which are intended to color and/or add iridescence to the composition.
Non-limiting examples of pigments useful for providing color in the invention include, for example, iron oxides, including red and yellow iron oxides, titanium dioxide, optionally surface-treated, zirconium oxide, zinc oxide, cerium oxide chromium oxide, manganese violet, ultramarine blue, chromium hydrate and ferric blue ultramarine, chromium hydroxide colors, and mixtures thereof.
The pigments may be interference pigments. Non-limiting examples of interference pigments useful in the invention include, for example, mica substrates, bismuth oxycloride substrates, and silica substrates, for instance mica/bismuth oxychloride/iron oxide pigments commercially available as Chroma-Lite® pigments (BASF), titanium dioxide and/or iron oxides coated onto mica such as commercially available Flamenco® pigments (BASF), mica/titanium dioxide/iron oxide pigments including commercially available KTZ® pigments (Kobo products), Cellini® pearl pigments (BASF), borosilicate-containing pigments such as Reflecks™ pigments
(BASF), and mixutures thereof.
The pigments may be mother-of-pearl pigments. Non-limiting examples of mother-of-peal pigments useful in the invention include, for example, may be selected from white mother-of-pearl pigments such as mica covered with titanium or bismuth oxychloride, colored mother-of-pearl pigments such as titanium mica with iron oxides, titanium mica with ferric blue or chromium oxides, titanium mica with an organic pigment, mother-of-pearl pigments based on bismuth oxychloride, and mixtures thereof.
The powdery coloring materials are preferably present in the composition according to the invention in an amount of from about 45% to 90% by weight, preferably in an amount of from about 55% to 80% by weight, and most preferably 60% to 70% by weight, based on the total weight of the composition.
The compositions according to the invention may additionally comprise cosmetic adjuvants chosen from fragrances, pigments, chelating agents, softeners, antioxidants, opacifiers, stabilizers, moisturizing agents, vitamins, bactericides, preservatives, polymers, thickening agents, or any other ingredient commonly used in cosmetics for this type of application.
Of course, a person skilled in the art will take care to choose this or these optional additional compounds so that the advantageous properties intrinsically attached to the composition in accordance with the invention are not, or not substantially, detrimentally affected by the envisaged addition or additions.
The amounts of these various constituents which can be present in the composition according to the invention are those conventionally used in the art.
The following examples serve to illustrate the invention without however exhibiting a limiting character. In these examples the amounts of the composition ingredients are given as weight percentages relative to the total weight of the composition.
EXAMPLES
INVENTIVE EXAMPLES
US INCI NAME Ex. 1 Ex. 2 Ex. 3 Ex. 4
ALUMINUM ZIRCONIUM
20 20 20 20 TETRACHLOROHYDREX GLY
ZINC GLUCONATE 0.5 0.5 0.5 0.5
PERLITE 25 1 1 1
US INCI NAME Ex. 1 Ex. 2 Ex. 3 Ex. 4
TALC 40.5 64.5 62.5 60.5
MAGNESIUM STEARATE 3 3 3 3
ISONONYL ISONONANOATE 4 4 6 6
DIMETHICONE 4 4 4 4
FRAGRANCE 1 1 1 1
MICA (and) TITANIUM DIOXIDE 2 2 2 2
TOTAL (%) 100 100 100 100
TABLE 2: INVENTIVE EXAMPLES
The Inventive formula in Tables 1 and 2 in the form of a powder were prepared by mixing one or more antiperspirant, one or more deodorant actives, one or more powdered fillers; one or more metal salt of a fatty acid, one or more fatty acids, one or more non-volatile silicone oils together. Specifically, to produce the formulas, it was necessary to mix well the powder phase on a mill, to assure a good dispersion of the actives and fillers. After the oil phase was poured slowly over the powder phase under continuous mixing to assure the oils are well dispersed and not accumulated in different parts. The mixture was then placed on an aluminum plate, and compressed. The compressing strength must be adapted to the size and depth of the support. Different sizes and shapes of plate support
TABLE 3: COMPARATIVE EXAMPLES
Test Results:
Compared to the comparative Examples in Table 3, the inventive examples had optimized sensorial through the use of silicon oils. The formula had unique dry sensorial, which was very appreciated by consumers. The formula also showed a very good adherence to the skin which helped to enhance the contact of the active to the skin. Additionally, the formula of the all the inventive Examples had improved the stability while reducing the water absorption of the antiperspirant actives.
Claims
SET OF CLAIMS
An anhydrous antiperspirant composition in the form of a powder comprising:
from 1 % to 40% by weight of one or more antiperspirant actives; from 45% to 90% by weight of one or more powdered fillers; from 0.01 % to 15% by weight of a metal salt of a fatty acid;
from about 0.1 % to 10% by weight of one or more fatty acid esters;
e) from about 0.1 to 10% by weight of one or more non-volatile silicone oils; and
f) optionally from about 1 % to 40% by weight of one or more deodorant actives.
2. The anhydrous antiperspirant composition according to Claim 1 , wherein the antiperspirant actives are selected from the group consisting of aluminium and/or zirconium salts, complexes of zirconium chlorohydrate and of aluminium chlorohydrate with an amino acid, and the mixtures thereof.
3. The anhydrous antiperspirant composition according to Claim 2, wherein the antiperspirant actives are selected from the group consisting of aluminium chlorohydrate, aluminum sesquichlorohydrate, aluminum zirconium tetrachlorohydrex GLY and the mixtures thereof.
4. The anhydrous antiperspirant composition according to Claim 1 , wherein the antiperspirant actives are in an total amount of from about 5% to 30% by weight of the total weight of the composition.
5. The anhydrous antiperspirant composition according to Claim 4, wherein the antiperspirant actives are in an total amount of from about 15% to 25% by weight of the total weight of the composition.
6. The anhydrous antiperspirant composition according to Claim 1 , wherein the powdered fillers are selected from the group consisting of talc, mica, silica, magnesium aluminum silicate, kaolin, bentone, calcium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, perlite powders, fluorphlogopite, sericite, calcinated talc, calcinated mica, calcinated sericite, synthetic mica, lauroyl lysine, metal soap, bismuth oxychloride, barium sulfate, magnesium carbonate, and the mixtures thereof.
7. The anhydrous antiperspirant composition according to Claim 6,
wherein the powdered fillers are 70% of talc and 30% Perlite by weight.
8. The anhydrous antiperspirant composition according to Claim 1 , wherein the powdered fillers are from about 55% to 80% by weight of the total composition.
9. The anhydrous antiperspirant composition according to Claim 8, wherein the powdered fillers are from about 60% to 70% by weight of the total composition.
10. The anhydrous antiperspirant composition according to Claim 1 , wherein the metal salt of a fatty acid is selected from the group consisting of zinc stearate, magnesium stearate, lithium stearate, zinc laurate, magnesium myristate, and the mixtures thereof.
1 1 . The anhydrous antiperspirant composition according to Claim 1 0, wherein the metal salt of a fatty acid is magnesium stearate.
12. The anhydrous antiperspirant composition according to Claim 1 , wherein the metal salt of a fatty acid is from about 0.5% to 10% by weight of the total composition.
13. The anhydrous antiperspirant composition according to Claim 12, wherein the metal salt of a fatty acid is from about 2% to 6% by weight of the total composition.
14. The anhydrous antiperspirant composition according to Claim 1 , wherein the fatty acid esters are selected from the group consisting of isopropyl myristate, isopropyl palmitate, isocetyl stearate, 2-ethylhexyl caprate/caprylate (or octyl caprate/caprylate), 2-ethylhexyl palmitate, isostearyl neopentanoate, isononyl isononanoate, hexyl laurate, and the mixtures thereof.
15. The anhydrous antiperspirant composition according to Claim 14, wherein the fatty acid ester is isononyl isononanoate.
16. The anhydrous antiperspirant composition according to Claim 1 , wherein the fatty acid ester is from about 1 % to 8% by weight of the total composition.
17. The anhydrous antiperspirant composition according to Claim 16, wherein the fatty acid ester is from about 3% to 5% by weight of the total composition.
18. The anhydrous antiperspirant composition according to Claim 1 , wherein the non-volatile silicone oils is dimethicone.
19. The anhydrous antiperspirant composition according to Claim 1 8, wherein the non-volatile silicone oils is from about 1 % to 8% by weight of the total
composition.
20. The anhydrous antiperspirant composition according to Claim 1 9, wherein the non-volatile silicone oils is from about 3% to 5% by weight of the total composition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/BR2015/050265 WO2017100875A1 (en) | 2015-12-17 | 2015-12-17 | Anhydrous antiperspirant composition in the form of a powder |
| BR112018003744A BR112018003744A2 (en) | 2015-12-17 | 2015-12-17 | Anhydrous antiperspirant composition in the form of a powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/BR2015/050265 WO2017100875A1 (en) | 2015-12-17 | 2015-12-17 | Anhydrous antiperspirant composition in the form of a powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017100875A1 true WO2017100875A1 (en) | 2017-06-22 |
Family
ID=55310597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/BR2015/050265 WO2017100875A1 (en) | 2015-12-17 | 2015-12-17 | Anhydrous antiperspirant composition in the form of a powder |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR112018003744A2 (en) |
| WO (1) | WO2017100875A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3117783A1 (en) * | 2020-12-22 | 2022-06-24 | L'oreal | ANHYDROUS COMPOSITION IN THE FORM OF A COMPACT POWDER COMPRISING A MAGNESIUM SALT AND BINDERS |
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| FR3117783A1 (en) * | 2020-12-22 | 2022-06-24 | L'oreal | ANHYDROUS COMPOSITION IN THE FORM OF A COMPACT POWDER COMPRISING A MAGNESIUM SALT AND BINDERS |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112018003744A2 (en) | 2018-09-25 |
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