WO2010070139A1 - Anti-transpirant comprenant des composants capables de former des liaisons covalentes entre eux et méthode de traitement de la transpiration chez l'homme en deux étapes - Google Patents

Anti-transpirant comprenant des composants capables de former des liaisons covalentes entre eux et méthode de traitement de la transpiration chez l'homme en deux étapes Download PDF

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Publication number
WO2010070139A1
WO2010070139A1 PCT/EP2009/067647 EP2009067647W WO2010070139A1 WO 2010070139 A1 WO2010070139 A1 WO 2010070139A1 EP 2009067647 W EP2009067647 W EP 2009067647W WO 2010070139 A1 WO2010070139 A1 WO 2010070139A1
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WO
WIPO (PCT)
Prior art keywords
cosmetic composition
compounds
antiperspirant
cosmetic
skin
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PCT/EP2009/067647
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English (en)
Inventor
Jean-François Grollier
Henri Samain
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LOreal SA
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LOreal SA
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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
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • 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
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/57—Compounds covalently linked to a(n inert) carrier molecule, e.g. conjugates, pro-fragrances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/88—Two- or multipart kits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/88—Two- or multipart kits
    • A61K2800/884—Sequential application

Definitions

  • Antiperspirant comprising components able to form covalent bonds between one another and two-stage method of treatment of sweating in humans
  • the present invention relates to a multicomponcnt agent for the treatment of sweating in humans, comprising two components that are intended to be mixed before application on the skin or to be applied on the skin simu ltaneously, separately or spread over time, said components being able to react with one another to form covalent bonds.
  • the invention also relates to a two-stage method of cosmetic treatment of sweating in humans involving the application of the multicomponent agent as defined above.
  • the armpits as well as certain other parts of the body are generally the site of various kinds of discomfort, which may arise directly or indirectly from phenomena of sw eating. These phenomena often lead to unpleasant sensations and feelings of embarrassment, which are mainly due to the presence of sweat, which in certain cases can make the skin sticky and can wet the clothing, notably around the armpits or on the back, thus leaving visible traces. Moreover, the presence of sweat can cause body odours to be released, which are usually unpleasant. Finally, on evaporation, sweat can also leave behind salts and/or proteins on the surface of the skin, which can cause whitish marks on clothing. Such discomfort is to be expected even with moderate sweating.
  • antiperspirants containing substances whi ch have the effect of limiting or even eliminating the flow of sweat in order to overcome the aforementioned problems, is accordingly well known in the area of cosmetics.
  • These products arc usually available in roll-on, stick, aerosol or spray forms.
  • the antiperspirants arc generally constituted of aluminium salts, such as aluminium chloride and aluminium hydroxyhalides, or of aluminium/zirconium complexes. These substances reduce the flow o f sweat by forming a plug in the sweat duct.
  • these antiperspirants can also leave traces when they are applied, which causes staining of clothing.
  • the need to inject this toxin during each use limits the application of this method considerably.
  • the flow of sweat can be restricted by partially obstructing the sweat ducts through the formation of a plug in the sweat duct, but also by the formation of an adhesive or non-adhesive sweat-retentive film on the surface of the skin.
  • anhydrous, non-adhesive antiperspirant compositions comprising at least one cyanoacrylate monomer that is reactive to water, an anhydrous medium, a polymerization inhibitor and an active substance selected from a deodorant, an antipcrspirant, a perfume or a mixture of these substances.
  • the cyanoacrylate monomers used in said compositions polymerize anionically directly on the surface of the skin in the presence of a nuclcophilic agent, such as the hydroxide ions (OH " ) present in water, to form a water-resistant polymer film.
  • a nuclcophilic agent such as the hydroxide ions (OH " ) present in water
  • international patent application WO 2006/02861 2 describes a method comprising a first stage consisting of applying an adhesive silicone on the skin, whi ch is then submitted to a thermal treatment, and a second stage consisting of applying an antiperspirant compound on the surface of the adhesive. This method facilitates the application of the antiperspirant compound.
  • Patent application US 2007/0053959 describes a patch provided with a layer comprising an antiperspirant and/or a deodorant, on top of which there is a protective layer.
  • the method consists of a first stage of applying the patch on the surface of the skin in order to deposit the antiperspirant and/or deodorant and a second stage o f removing the protective layer.
  • the films obtained from these cosmetic compositions are still not fully tolerated by the skin, which generally leads to problems of irritation for certain users.
  • the applicant discovered, surprisingly, that by applying, on the skin, two different components that individually do not have an antipcrspirant effect, and arc ab le to react with one another, forming one or more covalcnt bonds, it was possible to obtain a multi- component antipcrspirant having a toxicological profile that is suitable for the skin, which imparts an antipcrspirant effect that is satisfactory notably in terms of efficacy and of resistance to sweat.
  • Tn particular, the applicant found that the combination of two different compounds that are able to react with one another by a chemical reaction, to form one or more covalent bonds and which, individually, do not have an antiperspirant effect, makes it possible to obtain a multicomponent agent having a satisfactory antiperspirant effect.
  • the two compounds are therefore selected so that they are able to react with one another by a chemical reaction involving the formation of one or more covalent bonds, to impart an antiperspirant effect.
  • the multicomponent agent according to the invention makes it possible to combine the application of two cosmetic compositions each comprising one or more compounds that do not have an antiperspirant effect, which are able to react with one another, forming one or more covalent bonds so as to produce an action against sweating, notably an action on the flow of sweat as well as its effects, such as body odour or stains that can be produced on clothing, notably under the arms.
  • the present invention therefore notably relates to a multicomponent antiperspirant comprising a first component constituted of a cosmetic composition A and a second component constituted of a cosmetic composition B different from composition A, intended to be mixed before application on the skin or to be applied on the skin simultaneously, separately or spread over time, said cosmetic composition A comprising one or more compounds CA capable of reacting with one or more compounds CB of cosmetic composition B to form one or more covalent bonds so as to impart an antiperspirant effect, with neither of said cosmetic compositions A and B displaying an antiperspirant effect.
  • Anti ⁇ crspirant means any substance whi ch, on its own, has an effect of reducing or limiting the flow of sw eat
  • the present invention also relates to a method for the cosmetic treatment of sweating m humans, which consists of mixing before application on the skin, or of applying on the skin simultaneously, separately or spread over time, a cosmetic composition A and a cosmetic composition B different from cosmetic composition A, said cosmetic composition A comprising one or more compounds CA capable of reacting with one or more compounds CB of cosmetic composition B to form one or more covalent bonds so as to impart an antiperspirant effect, with neither of said cosmetic compositions A and B displaying an antiperspirant effect
  • the present invention relates to the use of a multicomponent antiperspirant as defined above for the treatment of sweating in humans
  • the present invention also relates to a device with several compartments or kit comprising a first compartment containing a cosmetic composition A and a second compartment containing a cosmetic composition B different from cosmetic composition A, intended to be mixed before application on the skin or to be applied on the skm simultaneously separately or spread over time, said cosmetic composition A comprising one or more compounds CA capable of reacting w ith one or more compounds CB of cosmetic composition B to form one or more covalent bonds so as to impart an antiperspirant effect, with neither of said cosmetic compositions A and B displaying an antiperspirant effect
  • composition not displaying an antiperspirant effect means in the sense of the present invention a composition which, applied on the surface of the skin, does not have an effect of significantly reducing or limiting the flow of sweat In other words, such a composition, in the sense of the present in ⁇ ention, has little effect on the flow of sweat
  • Composition not having an effect of significantly reducing or limiting the flow of sweat means, in the sense of the present invention, a composition whi ch, when applied on the skin, reduces the flow of sweat by a percentage designated R, which is less than 1 0% . The percentage reduction of the flow of sweat designated R is established according to the Bioskin in vivo gravimetric test.
  • each of said cosmetic compositions A and B constituting the multicomponent agent according to the invention reduces the flow of sweat by a value of less than 10%.
  • cosmetic composition A comprises one or more compounds CA having one or more functions capable of reacting with one or more functions carried by one or more compounds CB of cosmetic composition B so as to impart an antiperspirant effect.
  • the compound or compounds CA of cosmetic composition A and the compound or compounds CB of cosmetic composition B have one or more compl ementary chemical functions.
  • Complementary chemical function means, in the sense of the present invention, that the compound or compounds CA of cosmetic composition A comprise one or more functions capable of reacting with one or more functions carried by one or more compounds CB o f cosmetic composition B, for example by a condensation reaction, forming one or more covalcnt bonds.
  • the compound or compounds CA of cosmetic composition A can have one or more functions sel ected from the functions: epoxide, aziridine,
  • vinyl and activated vinyl in particular acrylonitrile, acrylic and methacrylic esters, - crotonic acid and crotonic esters, cinnainic acid and esters, styrene and derivatives, butadiene,
  • Activated vmyl means, in the sense of the present invention, that the ⁇ inyl function has an asymmetric electronic distribution and so is more reactive
  • the compound or compounds CA of cosmetic composition A have one or more functions selected from the epoxide, anhydride, chlorot ⁇ azine and/or thiosulphate functions
  • the compound or compounds CA o f cosmetic composition A have one or more functions selected from the epoxide, anhydride and aldehyde functions
  • the compound or compounds CB of cosmetic composition B can have one or more functions selected from the functions of formula XH n , in which X represents an oxygen, nitrogen, or sulphur atom, a group COO and n— 1 or 2
  • the compound or compounds CB of cosmetic composition B have one or more functions selected from the alcohol, amine, thiol and-Or carboxyhc acid functions
  • the chemical function or functions of the compound or compounds CA present in cosmetic composition A can react w ith the chemical function or functions of the compound or compounds CB present in cosmetic composition B, either spontaneously, or by dctivdtion by temperature, pH, a co-reagent, a chemical or biochemical catalyst such as the salts of metals such as the salts of metals selected from the salts of manganese of copper, of iron and'or of titanium or enzymes such as oxidases or laccases
  • the compound or compounds CA and the compound or compounds C B present respectively m cosmetic compositions A and B arc preferably po lymers
  • Polymer means, m the sense of the present m ⁇ cntion, a compound having at least 5 repeat units joined together by covalcnt bonds
  • the polymer or polymers usable in cosmetic compositions A and B can be synthesized by
  • the polymer or polymers usable in cosmetic compositions A and B can be of natural origin, unmodified or chemically modified, for example polysaccharides (cellulose, dextran, chitosan, guar and their hydroxyalkylated, carboxymethylated, aminated or thiolated derivatives, or their derivatives with an aldehyde or epoxy function).
  • polysaccharides cellulose, dextran, chitosan, guar and their hydroxyalkylated, carboxymethylated, aminated or thiolated derivatives, or their derivatives with an aldehyde or epoxy function.
  • the polymer or polymers can have any kind of topology: linear, branched, star or hyperbranched chain, such as dendrimers, sequenced, random or alternating chains.
  • the polymer or polymers usable in cosmetic compositions A and B can each comprise one or more complementary chemical functions as defined previously.
  • the polymer or polymers usable in cosmetic compositions A and B are selected from polymethacrylates, polyamidoamine, polysaccharides such as celluloses, dextrans, chitosans or their hydroxyalkylated derivatives, dendrimers, polyethyleneimines, polyethyleneimine-thiols, poly(amino acids), in particular polylysine, polyvinyls and/or polyethers.
  • Polymers CA and CB can be described as "polymers comprising complementary chemical functions" if at least 50 wt.% of the solid has not dissolved after 3 days, at room temperature and without stirring, in the solvents from points (7) and (8).
  • the solutions are aqueous, they are preferably adjusted to the pH at which the compositions of the invention are used.
  • the inso luble solid deposit may reflect the formation of covalcnt bonds between polymers CA and CB (such as reactions of substitution, of addition on carbon-carbon double or triple bonds, carbon-hctcroatom or ring-opening reactions), and furthermore, techniques of characterization known by a person skilled in the art, such as infrared or ESCA (XPS) spectroscopy can be used for evaluating, as appropriate, whether and to what extent said covalent bonds may have formed .
  • XPS infrared or ESCA
  • test described above is not limited to polymers, and can be employed for determining whether the compound or compounds CA and CB present respectively in cosmetic compositions A and B have complementary chemical functions.
  • the polymer or polymers CA used in cosmetic composition A having one or more functions as defined previously arc selected from:
  • the polymer or polymers of cosmetic composition B having one or more functions as defined previously can be selected from: -dendrimers having one or more NH2 groups such as the
  • PA MAM dendrimers in particular those marketed by Dcndritcch, DS M Sigma A ldrich (STARBU RST, PAMA M DEN DR I M ER, G(2.0) from DENDRITECH),
  • B can react with one another to form covalent bonds, for example according to the follow ing protocols a) In the case when the reaction between the different polymers takes place spontaneously at room temperature but their mixture in dilute solution is stable, a solution containing the polymers in a cosmetically acceptable volatile solvent can be applied directly on the skin and the crosslinkmg reaction takes place during ev aporation o f the solvent The deposit of polymers becomes insoluble and remains b) In the case when the reaction betw een the different polymers takes place spontaneously in solution, d solution containing the polymers that have reacted in a cosmetically acceptable volatile solvent is applied on the skin The crosslinkmg reaction takes place during evaporation The deposit of polymers becomes insoluble and remains on the skin c) In the case when the reaction between the different po lymers requires activation, the mixture of polymers can be applied on the skin, and crosslinkmg of the deposit is brought about by raising the temperature or by adding a pH modifier, or by adding a co-rcagcnt or
  • the chemical reaction can then take place spontaneously during drying or can be triggered by supply of heat, change in pH, or addition of a co-rcagcnt or a catalyst.
  • the crosslinked deposit thus formed has the advantage of having a low expected solubility. Moreover, it possesses good affinity for the surface of the skin, which guarantees better retention of all of the deposit. Using the same methods, it is possible to carry out multiple superpositions of layers of polymers, which crosslink with one another to give the desired type of deposit (in terms of chemical nature, mechanical strength, thickness, etc.).
  • cosmetic composition A comprises one or more compounds CA capable of reacting with one or more compounds CB of cosmetic composition B by a radical chemical reaction.
  • the compound or compounds CA and CB present respectively in cosmetic compositions A and B can be ethylenic compounds.
  • the compound or compounds CA and CB can be selected from ethylenic compounds having acrylate, acrylic acid, acrylamide, methacrylate, methacrylic acid, methacrylamide and/or styrene functions.
  • radical reaction between the compound or compounds CA of cosmetic composition A and the compound or compounds C B of cosmetic composition B invo lves an external form of activation.
  • the radical reaction between the compound or compounds CA of cosmetic composition A and the compound or compounds CB of cosmetic composition B can be activated by means of light, heat, one or more catalysts or a composition comprising one or more photoinitiators and optionally one or more photosensitizers.
  • Photopolymerizable and/or photocrosslinkable compositions are described in particular for exampl e in patents CA 1 306954 and US5456905.
  • the cthylcnic compound or compounds can be selected from the polymers having cthylcnic double bonds.
  • polyesters with ethylenic unsaturation(s) This is a group of polymers of the polyester type having one or more ethylenic double bonds, randomly distributed in the main chain of the polymer.
  • These unsaturated polyesters are obtained by polycondensation of a mixture of cycloaliphatic or linear or branched aliphatic dicarboxylic acids notably having from 3 to 50 carbon atoms, preferably from 3 to 20 carbon atoms, such as adipic acid or sebacic acid, of aromatic dicarboxylic acids notably having from 8 to 50 carbon atoms, preferably from 8 to 20 carbon atoms, such as phthalic acids, notably terephthalic acid, and/or of dicarboxylic acids derived from dimers of ethylenically unsaturated fatty acids such as the dimers of oleic or linoleic acids described in application EP-A-959 066 (paragraph [0021 ]) marketed under the names Pripol 1 " by the company Unichema or Empol" by the company Henkel, and all of these diacids must be free from polymerizable ethylenic double bonds, of cycloaliphatic or linear or branche
  • polyesters with (mcth)acryiatc side and/or end groups This is a group of polymers of the polyester type obtained by polycondcnsation of a mixture of cycloaliphatic or linear or branched aliphatic dicarboxyli c acids notably having from 3 to 50 carbon atoms, preferably from 3 to 20 carbon atoms, such as adipic acid or sebacic acid, of aromatic dicarboxylic acids notably having from 8 to 50 carbon atoms, preferably from 8 to 20 carbon atoms, such as phthalic acids, notably terephthalic acid, and/or of dicarboxylic acids derived from dimers of ethylenically unsaturated fatty acids such as the dimers of oleic or linoleic acids described in application EP-A-959 066 (paragraph [0021 ]) marketed under the names Pripol* by the company Unichema or Empol* by the company Henkel, and all of these di
  • polyesters differ from those described above in point a) in that the ethylenic double bonds arc not located in the main chain but on side groups or at chain ends. These ethylenic double bonds arc those of the (meth)acrylate groups present in the polymer.
  • Polyesters of this kind are marketed for example by the company UCB under the names EBECRYL* (EBECRYL* 450: molecular weight 1600, on average 6 acrylate functions per molecule, EBECRY L* 652 : mo lecular weight 1500, on average 6 acrylatc functions per mo lecule, EBEC RY L* 800 : molecular weight 780, on average 4 acrylatc functions per molecule, EBECRYL* 81 0 : molecul ar weight 1000, on average 4 acrylatc functions per molecule, EBECRYL* 50 000 : molecular weight 1 500, on average 6 acrylatc functions per molecule) c) the polyurethanes and/or polyureas with (meth)acrylate groups, obtained by polycondensation - of aliphatic, cycloaliphatic and/or aromatic diisocyanates, triisocyanates and/or polyisocyanates notably having from 4 to 50, preferably from 4 to 30 carbon
  • R is a linear, branched or cyclic hydrocarbon radical having from 2 to 30 carbon atoms; of polyols, notably of dio ls, free from polymcrizablc cthylcnic unsaturations, such as 1 ,4-butancdiol, ethylene glycol or trimcthylolpropanc, and/or of polyamincs, notably of diamines, aliphatic, cycloaliphatic and/or aromatic notably having from 3 to
  • carbon atoms such as cthylcncdiaminc or hexamethylenediamine, and of at least one ester of (meth)acrylic acid and of a diol or polyo l having from 2 to 20 carbon atoms, preferably from 2 to 6 carbon atoms, such as 2-hydroxycthyl (mcth)acrylatc, 2-hydroxypropyl (mcth)acrylatc and glycerol mcthacrylatc.
  • Said polyurcthancs/polyurcas with acrylatc groups arc marketed for example under the name SR 368 (tris(2- hydroxyethyl)isocyanurate-triacrylate) or CRAYNOR 435 by the company CRAY VALLEY, or under the name EBECRYL* by the company UCB (EBECRYL* 210 : mo lecular weight 1500, 2 acrylate functions per molecule, EBECRYL* 230 : molecular weight 5000, 2 acrylate functions per molecule, EBECRYL* 270 : molecular weight 1500, 2 acrylate functions per molecule, EBECRYL* 8402 : molecular weight 1000, 2 acrylate functions per molecule, EBECRYL* 8804 : molecular weight 1300, 2 acrylate functions per molecule, EBECRYL* 220 : molecular weight 1000, 6 acrylate functions per molecule,
  • EBECRYL * 2220 molecular weight 1200, 6 acrylate functions per molecule
  • EBECRYL ® 1290 molecular weight 1000, 6 acrylate functions per molecule
  • EBECRYL ® 800 molecular weight 800, 6 acrylate functions per molecule).
  • Di(meth)acrylate polyoxyethylenes of suitable molecular weight are marketed for example under the names SR 259, SR 344, SR 61 0, S R 210, S R 603 and SR 252 by the company CRAY VA LL EY or under the name EBEC RY L* 1 1 by UCB.
  • Po lycthoxylatcd trimcthylolpropanc triacrylatcs arc marketed for example under the names SR 454, SR 498, SR 502, SR 9035 , SR 41 5 by the company CRAY VALLEY or under the name EBECRYL* 1 60 by the company
  • UCB Polypropoxylated trimethylolpropane triacrylates are marketed for example under the names SR 492 and SR 501 by the company CRAY VALLEY. e) the epoxyacrylates obtained by reaction between at least one diepoxide selected for example from:
  • oils bearing at least 2 epoxide groups such as epoxidized soya oil, epoxidized linseed oil and epoxidized vernonia oil,
  • a phenol-formaldehyde polycondensate Novolac* resin
  • a carboxylic acids or polycarboxylic acids having at least one cthylcnic double bond at ⁇ , ⁇ of the carboxyl group such as (mcth)acrylic acid or crotonic acid or the esters of (mcth)acrylic acid and of a diol or polyol having from 2 to 20 carbon atoms, preferably from 2 to 6 carbon atoms, such as 2-hydroxyethyl (meth)acrylate.
  • Such polymers are marketed for example under the names SR 349, S R 601 , CD 541 , S R 602, S R 9036, S R 348, CD 540, SR 480, CD 9038 by the company CRAY VA LL EY, under the names EBEC RY L* 600 and EBECRYL ® 609, EBECRYL* 150, EBECRYL* 860, EBECRYL* 3702 by the company UCB and under the names PHOTOMER* 3005 and PHOTOMER* 3082 by the company
  • Such copolymers are marketed for example under the names IRR* 375 , OTA* 480 and EBECRYL* 2047 by the company UCB.
  • PDMS polydimethylsiloxanes
  • hydroxylated PDMS we may mention in particular PDMS bearing at least two C i .6 hydroxyalkyl groups and the dimethicone- copolyols with hydroxyl side or end groups.
  • Esterifiable ⁇ , ⁇ -dihydroxylated polydimethylsiloxanes are marketed under the names TEGOM ER* H-Si 21 1 1 and TEGOM ER* H-Si 231 1 by the company GOL DSCH M I DT.
  • ⁇ , ⁇ , ⁇ -Diacrylatc polydimethylsiloxanes arc available from the company SHIN-ETSU under references X-22- 1 64 B and X-22- 1 64C.
  • aminatcd PDMS we may mention in particular PDMS bearing at least two Ci io aminoalkyl groups, for example the aminated silicone marketed under the name Q2-8220 by the company DOW CORNING.
  • the silicone polymers of this group are used mixed with one or more polymers of the other groups a) to f) described above, notably to modify the hydrophobic character of the final composition.
  • ⁇ , ⁇ -diol perfluoropolyethers are described notably in EP-A- 1057849 and are marketed by the company AUSIMONT under the name FOMBLIN* Z DIOL.
  • (meth)acrylate or (meth)acrylamide end groups obtained respectively by esterification or amidation of dendrimers and of hyperbranched polymers with hydroxyl or amino terminal functions, by (meth)acrylic acid.
  • cosmetic composition A comprises one or more compounds CA capable of reacting with one or more compounds CB of cosmetic composition B by an oxidation reaction.
  • the compound or compounds CA and CB, contained respectively in cosmetic compositions A and B, capable of reacting with one another by an oxidation reaction can be selected from the aromatic compounds, such as those bearing at least two hydroxyl functions or a hydroxyl function and an amine function or else a single hydroxyl function.
  • the oxidation reaction between the compound or compounds CA of cosmetic composition A and the compound or compounds C B o f cosmetic composition B involves the presence of one or more oxidizing agents.
  • the oxidizing agent is preferably hydrogen peroxide or can be derived from the oxygen of the air.
  • the compound or compounds CA and CB contained respectively in cosmetic compositions A and B can be selected from catechol, dihydroxyindole, 4-hydroxyindole.
  • cosmetic composition A comprises one or more compounds CA capabl e of reacting with one or more compounds CB of cosmetic composition B by a crosslinking reaction. Tn this case, it is thus possible to produce coatings that arc very hydrophobic, notably for treating the parts of the body that sweat the most, for example the bust or the armpits. The coatings thus obtained display improved resistance to water and moisture.
  • cosmetic composition A comprises one or more compounds CA selected from the polyols, for example a cellulose derivative
  • cosmetic composition B comprises one or more compounds CB selected from compounds of the perfluoroalkyltriethoxysilane type.
  • cosmetic composition A comprising one or more polyols is applied first, and cosmetic composition B comprising one or more of the perfluoroalkyltriethoxysilane type is applied second.
  • the cosmetic composition A comprises one or more compounds CA selected from (i) those having one or more functions capable of reacting with one or more functions carried by one or more compounds CB of cosmetic composition B, (ii) those capable o f reacting with one or more compounds CB of cosmetic composition B by a radical chemical reaction, (iii) those capable of reacting with one or more compounds CB of cosmetic composition B by an oxidation reaction and (iv) those capable of reacting with one or more compounds CB of cosmetic composition B by a crosslin king reaction.
  • the cosmetic composition or compositions A and/or B can moreover contain one or more crosslinking agents in order to make the coatings resistant to stretching or tearing. Such improvements can be useful for application on the parts of the body that arc the most subj ect to movements, such as the lips, hands, armpits, neck or all zones near joints.
  • lubricating actives and notably solid lubricating actives can be incorporated in the cosmetic compositions A and/or B.
  • Solid fillers, and notably fillers that are hydrophilic or are made hydrophilic, such as particles of metal oxides, metal hydroxides, metal carbonates or organic particles can also be incorporated .
  • the compound or compounds CA can be present in cosmetic composition A according to the invention at a content in the range from 0.1 to 80%, preferably at a content in the range from 4 to 40 wt.% relative to the total weight of cosmetic composition A.
  • the compound or compounds CB can be present in cosmetic composition B at a content in the range from 0.1 to 80%, preferably at a content in the range from 4 to 40 wt.%, relative to the total weight of cosmetic composition B.
  • the cosmetic compositions A and B can also contain one or more cosmetic additives selected from inert compounds, such as oils, waxes, mineral or organic compounds, in particular fillers, or deodorants.
  • inert compounds such as oils, waxes, mineral or organic compounds, in particular fillers, or deodorants.
  • the above additives are generally present in an amount for each of them between 0.01 and 20 wt.% relative to the weight of the composition.
  • the cosmetic composition or compositions A and/or B can notably be in the form of powder, suspension, dispersion, solution, gel, emulsion, notably oi l-in-watcr (O/W) or watcr-in-oi l (W/O), or multip le (W/O/W or polyol/O/W or O/W/O) emulsion, in the form of cream, mousse, stick, di spersion of vesicles notably of ionic or non- ionic lipids, two-phase or multiphase lotion, spray, powder, paste or adhesive or non-adhesive film.
  • the cosmetic composition or compositions A and/or B are packaged in an aerosol device, it comprises one or more propellants, which can be selected from the volatile hydrocarbons such as n- butane, propane, isobutane, pentane, the halogenated hydrocarbons and mixtures thereof.
  • propellants can be selected from the volatile hydrocarbons such as n- butane, propane, isobutane, pentane, the halogenated hydrocarbons and mixtures thereof.
  • Carbon dioxide, nitrous oxide, dimethyl ether (DM E), nitrogen, or compressed air can also be used as propcllant.
  • Tt is also possible to use mixtures of propcl lants.
  • Dimethyl ether is preferably used.
  • the propcl lant can be present at a concentration between 5 and 90 wt.% relative to the total weight of the composition in the aerosol device, and more particularly at a concentration between 10 and 60%.
  • cosmetic compositions A and B are in the form of solution or of an oil-in-water (O/W) or water-in-oil (W/O) emulsion, in the form of creams or gels.
  • O/W oil-in-water
  • W/O water-in-oil
  • Cosmetic compositions A and B comprise a cosmetically acceptable medium.
  • the cosmetically acceptable medium, carrying the compound or compounds CA and CB, is selected in such a way that the compound or compounds CA and CB are able to react with one another to form one or more covalent bonds.
  • the cosmetically acceptable medium for cosmetic compositions A and B preferably comprises water or a mixture of water and at least one organic so lvent.
  • organic solvent we may mention for exampl e the C1-C4 lower alkanols, such as cthano l and isopropanol; the po lyo ls and ethers of polyols such as 2-butoxycthanol, propylene glycol, glycerol, monomcthylcthcr of propylene glycol, monocthylether and monomcthylcthcr of dicthylene glycol, as well as the aromatic alcohols such as benzyl alcohol or phenoxyethanol, and mixtures thereof.
  • the solvents are preferably present in proportions between approx. 1 and 40 wt.% relative to the total weight of the cosmetic composition, and even more preferably between approx . 5 and 30 wt. %.
  • the present invention also relates to a method for the cosmetic treatment of sweating in humans, which consists of applying on the skin, simultaneously, separately or spread over time, a cosmetic composition A comprising one or more compounds CA capable of reacting with one or more compounds CB of cosmetic composition B different from cosmetic composition A, forming one or more covalent bonds so as to impart an antiperspirant effect, with neither of said cosmetic compositions A and B displaying an antiperspirant effect.
  • the present invention also deals with a method for the cosmetic treatment of sweating in humans, which consists of mixing, before application on the skin, or of applying on the skin, simultaneously, separately or spread over time, a cosmetic composition A and a cosmetic composition B different from cosmetic composition A, said cosmetic composition A comprising one or more compounds CA capable of reacting with one or more compounds CB of cosmetic composition B by forming one or more covalent bonds so as to impart an antiperspirant effect, with neither said cosmetic compositions A and B displaying an antiperspirant effect.
  • the cosmetic compositions A and B can be applied on the skin repeatedly.
  • cosmetic compositions A and B are applied on the skin separately or spread over time.
  • the length of the pause between application of cosmetic composition A and application of cosmetic composition B can be between ( 1 ) seconds and ( 1 ) hours, preferably between ( 1 0) seconds and (20) minutes, and even more preferably between ( 1 ) minutes and
  • the skin is rinsed between the application of cosmetic composition A and the application of cosmetic composition B.
  • the skm is not rinsed between the application of cosmetic composition A and the appli cation of cosmetic composition B
  • cosmetic compositions A and B can be in identical pharmaceutical forms or different pharmaceutical forms
  • cosmetic composition A and B are applied on the skin spread over time, cosmetic composition A can be applied in the morning and cosmetic composition B can be applied in the evening According to one embodiment, the multicomponent antiperspirant can be applied on the skin before or after the application of a pre- or post-treatment composition
  • Another object of the present invention relates to a device w ith several compartments or kit comprising a first compartment containing a cosmetic composition A and a second compartment containing a cosmetic composition B different from cosmetic composition A, intended to be mixed before application on the skin or to be applied simultaneously, separately or spread over time, said cosmetic composition A comprising one or more compounds CA capable of reacting with one or more compounds of cosmetic composition B to form one or more covalent bonds so as to impart an antiperspirant effect, with neither of said cosmetic compositions A and B displaying an antiperspirant effect
  • the device with several compartments or kit can be a pump- action spray bottle, a tube or a stick comprising tw o applicators
  • cosmetic compositions A and B can be of identical pharmaceutical forms or different pharmaceutical forms
  • the inv ention al so relates to the use of a multicomponent agent as defined previously for the treatment of sweating in humans

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Cosmetics (AREA)

Abstract

Cette invention concerne un anti-transpirant multicomposant comprenant un premier composant constitué par une composition cosmétique A et un second composant constitué par une composition cosmétique B, différente de la composition cosmétique A, destinés à être mélangés avant application sur la peau ou à être appliqués sur la peau simultanément, séparément ou avec étalement dans le temps, ladite composition cosmétique A comprenant un ou plusieurs composés CA capables de réagir avec un ou plusieurs composés CB de la composition cosmétique B, de former entre eux une ou plusieurs liaisons covalentes pour conférer un effet anti-transpirant, aucune desdites compositions cosmétiques A et B ne manifestant d'effet anti-transpirant. La présente invention concerne également une méthode de traitement de la transpiration utilisant ledit anti-transpirant multicomposant ainsi que l'utilisation dudit anti-transpirant.
PCT/EP2009/067647 2008-12-19 2009-12-21 Anti-transpirant comprenant des composants capables de former des liaisons covalentes entre eux et méthode de traitement de la transpiration chez l'homme en deux étapes Ceased WO2010070139A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0807295A FR2940064B1 (fr) 2008-12-19 2008-12-19 Agent anti-transpirant comprenant des composants capables de former entre eux des liaisons covalentes et procede de traitement de la transpiration humaine en deux etapes
FR0807295 2008-12-19
US14223809P 2009-01-02 2009-01-02
US61/142,238 2009-01-02

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WO2010070139A1 true WO2010070139A1 (fr) 2010-06-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013903A1 (fr) 2011-07-22 2013-01-31 L'oreal Procédé pour traiter la transpiration en utilisant une composition anhydre comprenant deux réactifs qui produisent conjointement un effet anti-transpirant in situ sur la peau
WO2013013999A2 (fr) 2011-07-22 2013-01-31 L'oreal Utilisation, comme anti-transpirant, d'un sel de cation multivalent sans anti-transpirant de type halogénure d'aluminium ou composé apte à réagir avec ledit sel afin de produire un effet anti-transpirant
EP3209387B1 (fr) 2014-10-24 2019-04-24 Henkel AG & Co. KGaA Utilisation de chitosane dans compositions antitranspirantes qui ne contiennent pas les hydrochlorides ou chlorides d'aluminum ou et zirconium

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FR2972350B1 (fr) * 2011-03-09 2013-09-27 Oreal Procede de traitement de la transpiration utilisant des composes silicones encapsules ; compositions les contenant
FR2973236B1 (fr) * 2011-03-31 2013-12-13 Oreal Utilisation d'un dispositif de transfert d'un film cosmetique anti-transpirant applique sur la peau

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013903A1 (fr) 2011-07-22 2013-01-31 L'oreal Procédé pour traiter la transpiration en utilisant une composition anhydre comprenant deux réactifs qui produisent conjointement un effet anti-transpirant in situ sur la peau
WO2013013999A2 (fr) 2011-07-22 2013-01-31 L'oreal Utilisation, comme anti-transpirant, d'un sel de cation multivalent sans anti-transpirant de type halogénure d'aluminium ou composé apte à réagir avec ledit sel afin de produire un effet anti-transpirant
EP3209387B1 (fr) 2014-10-24 2019-04-24 Henkel AG & Co. KGaA Utilisation de chitosane dans compositions antitranspirantes qui ne contiennent pas les hydrochlorides ou chlorides d'aluminum ou et zirconium

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FR2940064B1 (fr) 2011-03-11

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