IT202100028112A1 - Composizioni per la tintura semipermanente dei capelli ad ossidazione o dirette - Google Patents
Composizioni per la tintura semipermanente dei capelli ad ossidazione o dirette Download PDFInfo
- Publication number
- IT202100028112A1 IT202100028112A1 IT102021000028112A IT202100028112A IT202100028112A1 IT 202100028112 A1 IT202100028112 A1 IT 202100028112A1 IT 102021000028112 A IT102021000028112 A IT 102021000028112A IT 202100028112 A IT202100028112 A IT 202100028112A IT 202100028112 A1 IT202100028112 A1 IT 202100028112A1
- Authority
- IT
- Italy
- Prior art keywords
- amino
- phenylenediamine
- blue
- basic
- nitro
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 48
- 230000003647 oxidation Effects 0.000 title claims description 23
- 238000007254 oxidation reaction Methods 0.000 title claims description 23
- 238000004043 dyeing Methods 0.000 title claims description 7
- 239000000975 dye Substances 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- -1 HC Blue No. 10 Chemical compound 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 230000003113 alkalizing effect Effects 0.000 claims description 11
- 239000004475 Arginine Substances 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000982 direct dye Substances 0.000 claims description 8
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 8
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 7
- 125000002091 cationic group Chemical group 0.000 claims description 7
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 7
- POJWUDADGALRAB-UHFFFAOYSA-N allantoin Chemical compound NC(=O)NC1NC(=O)NC1=O POJWUDADGALRAB-UHFFFAOYSA-N 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 6
- 239000008158 vegetable oil Substances 0.000 claims description 6
- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 5
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- VEJIQHRMIYFYPS-UHFFFAOYSA-N (3-phenyl-1,2-oxazol-5-yl)boronic acid Chemical compound O1C(B(O)O)=CC(C=2C=CC=CC=2)=N1 VEJIQHRMIYFYPS-UHFFFAOYSA-N 0.000 claims description 4
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 claims description 4
- LFOUYKNCQNVIGI-UHFFFAOYSA-N 2-(2-nitroanilino)ethanol Chemical compound OCCNC1=CC=CC=C1[N+]([O-])=O LFOUYKNCQNVIGI-UHFFFAOYSA-N 0.000 claims description 4
- SBUMIGFDXJIPLE-UHFFFAOYSA-N 2-(3-amino-4-methoxyanilino)ethanol Chemical compound COC1=CC=C(NCCO)C=C1N SBUMIGFDXJIPLE-UHFFFAOYSA-N 0.000 claims description 4
- YESOPQNVGIQNEV-UHFFFAOYSA-N 2-(4-amino-2-nitroanilino)benzoic acid Chemical compound [O-][N+](=O)C1=CC(N)=CC=C1NC1=CC=CC=C1C(O)=O YESOPQNVGIQNEV-UHFFFAOYSA-N 0.000 claims description 4
- RBUQOUQQUQCSAU-UHFFFAOYSA-N 2-(4-aminoanilino)ethanol Chemical compound NC1=CC=C(NCCO)C=C1 RBUQOUQQUQCSAU-UHFFFAOYSA-N 0.000 claims description 4
- LXKQJEXWFGAMMW-UHFFFAOYSA-N 2-[4-[ethyl(2-hydroxyethyl)amino]-2-nitroanilino]ethanol;hydrochloride Chemical compound Cl.OCCN(CC)C1=CC=C(NCCO)C([N+]([O-])=O)=C1 LXKQJEXWFGAMMW-UHFFFAOYSA-N 0.000 claims description 4
- ASAQRGCLIPUSEK-UHFFFAOYSA-N 2-[4-amino-n-(2-hydroxyethyl)-3-nitroanilino]ethanol;hydrochloride Chemical compound Cl.NC1=CC=C(N(CCO)CCO)C=C1[N+]([O-])=O ASAQRGCLIPUSEK-UHFFFAOYSA-N 0.000 claims description 4
- MHOFGBJTSNWTDT-UHFFFAOYSA-M 2-[n-ethyl-4-[(6-methoxy-3-methyl-1,3-benzothiazol-3-ium-2-yl)diazenyl]anilino]ethanol;methyl sulfate Chemical compound COS([O-])(=O)=O.C1=CC(N(CCO)CC)=CC=C1N=NC1=[N+](C)C2=CC=C(OC)C=C2S1 MHOFGBJTSNWTDT-UHFFFAOYSA-M 0.000 claims description 4
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 claims description 4
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- YFKNIPGAJBJZQT-UHFFFAOYSA-N 3-(4-amino-2-chloro-5-nitroanilino)propane-1,2-diol Chemical compound NC1=CC(Cl)=C(NCC(O)CO)C=C1[N+]([O-])=O YFKNIPGAJBJZQT-UHFFFAOYSA-N 0.000 claims description 4
- IJBOVPNSQXXDJB-UHFFFAOYSA-N 3-[2-chloro-4-(2,3-dihydroxypropylamino)-5-nitroanilino]propane-1,2-diol Chemical compound OCC(O)CNC1=CC([N+]([O-])=O)=C(NCC(O)CO)C=C1Cl IJBOVPNSQXXDJB-UHFFFAOYSA-N 0.000 claims description 4
- SYRZWFBWUASJJI-UHFFFAOYSA-N 3-amino-2,4-dichlorophenol Chemical compound NC1=C(Cl)C=CC(O)=C1Cl SYRZWFBWUASJJI-UHFFFAOYSA-N 0.000 claims description 4
- CWLKGDAVCFYWJK-UHFFFAOYSA-N 3-aminophenol Chemical compound NC1=CC=CC(O)=C1 CWLKGDAVCFYWJK-UHFFFAOYSA-N 0.000 claims description 4
- UXKLYBMQAHYULT-UHFFFAOYSA-N 4-(2-hydroxyethylamino)-3-nitrophenol Chemical compound OCCNC1=CC=C(O)C=C1[N+]([O-])=O UXKLYBMQAHYULT-UHFFFAOYSA-N 0.000 claims description 4
- VTXBLQLZQLHDIL-UHFFFAOYSA-N 4-(3-hydroxypropylamino)-3-nitrophenol Chemical compound OCCCNC1=CC=C(O)C=C1[N+]([O-])=O VTXBLQLZQLHDIL-UHFFFAOYSA-N 0.000 claims description 4
- NZDXSXLYLMHYJA-UHFFFAOYSA-M 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]-n,n-dimethylaniline;chloride Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1N=NC1=[N+](C)C=CN1C NZDXSXLYLMHYJA-UHFFFAOYSA-M 0.000 claims description 4
- KEVCVWPVGPWWOI-UHFFFAOYSA-N 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]aniline;chloride Chemical compound [Cl-].CN1C=C[N+](C)=C1N=NC1=CC=C(N)C=C1 KEVCVWPVGPWWOI-UHFFFAOYSA-N 0.000 claims description 4
- IQXUIDYRTHQTET-UHFFFAOYSA-N 4-amino-3-nitrophenol Chemical compound NC1=CC=C(O)C=C1[N+]([O-])=O IQXUIDYRTHQTET-UHFFFAOYSA-N 0.000 claims description 4
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 claims description 4
- RAUWPNXIALNKQM-UHFFFAOYSA-N 4-nitro-1,2-phenylenediamine Chemical compound NC1=CC=C([N+]([O-])=O)C=C1N RAUWPNXIALNKQM-UHFFFAOYSA-N 0.000 claims description 4
- VNECCGPOXBLLOG-UHFFFAOYSA-N 5-amino-2,6-dimethoxypyridin-3-ol Chemical compound COC1=NC(OC)=C(O)C=C1N VNECCGPOXBLLOG-UHFFFAOYSA-N 0.000 claims description 4
- ZVDCYZVYRXZJQF-UHFFFAOYSA-N 6-nitro-1,2,3,4-tetrahydroquinoxaline Chemical compound N1CCNC2=CC([N+](=O)[O-])=CC=C21 ZVDCYZVYRXZJQF-UHFFFAOYSA-N 0.000 claims description 4
- TWLMSPNQBKSXOP-UHFFFAOYSA-N 6358-09-4 Chemical compound NC1=CC([N+]([O-])=O)=CC(Cl)=C1O TWLMSPNQBKSXOP-UHFFFAOYSA-N 0.000 claims description 4
- MIWUTEVJIISHCP-UHFFFAOYSA-N HC Blue No. 2 Chemical compound OCCNC1=CC=C(N(CCO)CCO)C=C1[N+]([O-])=O MIWUTEVJIISHCP-UHFFFAOYSA-N 0.000 claims description 4
- GZGZVOLBULPDFD-UHFFFAOYSA-N HC Red No. 3 Chemical compound NC1=CC=C(NCCO)C([N+]([O-])=O)=C1 GZGZVOLBULPDFD-UHFFFAOYSA-N 0.000 claims description 4
- PNENOUKIPPERMY-UHFFFAOYSA-N HC Yellow No. 4 Chemical compound OCCNC1=CC=C([N+]([O-])=O)C=C1OCCO PNENOUKIPPERMY-UHFFFAOYSA-N 0.000 claims description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 4
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- 230000003472 neutralizing effect Effects 0.000 claims description 4
- IPSIPYMEZZPCPY-UHFFFAOYSA-N new fuchsin Chemical compound [Cl-].C1=CC(=[NH2+])C(C)=CC1=C(C=1C=C(C)C(N)=CC=1)C1=CC=C(N)C(C)=C1 IPSIPYMEZZPCPY-UHFFFAOYSA-N 0.000 claims description 4
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- 229910000404 tripotassium phosphate Inorganic materials 0.000 claims description 3
- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 3
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- XWIBNOGPNKMAPE-UHFFFAOYSA-N 1-(2-hydroxyethylamino)-4-(3-hydroxypropylamino)anthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(NCCO)=CC=C2NCCCO XWIBNOGPNKMAPE-UHFFFAOYSA-N 0.000 claims description 2
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- 239000012752 auxiliary agent Substances 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229940078916 carbamide peroxide Drugs 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 229940080421 coco glucoside Drugs 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008406 cosmetic ingredient Substances 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229940073499 decyl glucoside Drugs 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000009967 direct dyeing Methods 0.000 description 1
- 239000004664 distearyldimethylammonium chloride (DHTDMAC) Substances 0.000 description 1
- PGQAXGHQYGXVDC-UHFFFAOYSA-N dodecyl(dimethyl)azanium;chloride Chemical compound Cl.CCCCCCCCCCCCN(C)C PGQAXGHQYGXVDC-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002193 fatty amides Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002314 glycerols Polymers 0.000 description 1
- 229940074052 glyceryl isostearate Drugs 0.000 description 1
- 229940075529 glyceryl stearate Drugs 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 230000003646 hair health Effects 0.000 description 1
- 230000003806 hair structure Effects 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000000416 hydrocolloid Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229940078565 isoamyl laurate Drugs 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- PYIDGJJWBIBVIA-UYTYNIKBSA-N lauryl glucoside Chemical compound CCCCCCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O PYIDGJJWBIBVIA-UYTYNIKBSA-N 0.000 description 1
- 229940048848 lauryl glucoside Drugs 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 1
- 235000011929 mousse Nutrition 0.000 description 1
- 229940049292 n-(3-(dimethylamino)propyl)octadecanamide Drugs 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- WWVIUVHFPSALDO-UHFFFAOYSA-N n-[3-(dimethylamino)propyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCCN(C)C WWVIUVHFPSALDO-UHFFFAOYSA-N 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229940055726 pantothenic acid Drugs 0.000 description 1
- 235000019161 pantothenic acid Nutrition 0.000 description 1
- 239000011713 pantothenic acid Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 229940066842 petrolatum Drugs 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229940049953 phenylacetate Drugs 0.000 description 1
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 1
- GVKCHTBDSMQENH-UHFFFAOYSA-L phloxine B Chemical compound [Na+].[Na+].[O-]C(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C([O-])=C(Br)C=C21 GVKCHTBDSMQENH-UHFFFAOYSA-L 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002553 poly(2-methacrylolyloxyethyltrimethylammonium chloride) polymer Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 239000003531 protein hydrolysate Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 108700004121 sarkosyl Proteins 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 229940079781 sodium cocoyl glutamate Drugs 0.000 description 1
- 229940045944 sodium lauroyl glutamate Drugs 0.000 description 1
- 229940007636 sodium lauroyl methyl isethionate Drugs 0.000 description 1
- KSAVQLQVUXSOCR-UHFFFAOYSA-M sodium lauroyl sarcosinate Chemical compound [Na+].CCCCCCCCCCCC(=O)N(C)CC([O-])=O KSAVQLQVUXSOCR-UHFFFAOYSA-M 0.000 description 1
- 229940045885 sodium lauroyl sarcosinate Drugs 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- ODFAPIRLUPAQCQ-UHFFFAOYSA-M sodium stearoyl lactylate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC(=O)OC(C)C(=O)OC(C)C([O-])=O ODFAPIRLUPAQCQ-UHFFFAOYSA-M 0.000 description 1
- 229940080352 sodium stearoyl lactylate Drugs 0.000 description 1
- IWIUXJGIDSGWDN-UQKRIMTDSA-M sodium;(2s)-2-(dodecanoylamino)pentanedioate;hydron Chemical compound [Na+].CCCCCCCCCCCC(=O)N[C@H](C([O-])=O)CCC(O)=O IWIUXJGIDSGWDN-UQKRIMTDSA-M 0.000 description 1
- NVIZQHFCDBQNPH-UHFFFAOYSA-M sodium;2-dodecanoyloxypropane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCC(=O)OC(C)CS([O-])(=O)=O NVIZQHFCDBQNPH-UHFFFAOYSA-M 0.000 description 1
- HSFQBFMEWSTNOW-UHFFFAOYSA-N sodium;carbanide Chemical group [CH3-].[Na+] HSFQBFMEWSTNOW-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 231100000943 strong sensitizer Toxicity 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 229950006389 thiodiglycol Drugs 0.000 description 1
- 231100000583 toxicological profile Toxicity 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- FAGMGMRSURYROS-UHFFFAOYSA-M trihexadecyl(methyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(CCCCCCCCCCCCCCCC)CCCCCCCCCCCCCCCC FAGMGMRSURYROS-UHFFFAOYSA-M 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 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
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
- A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/10—Preparations for permanently dyeing the hair
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cosmetics (AREA)
Description
Descrizione del brevetto per invenzione industriale avente per titolo: ?COMPOSIZIONI PER LA TINTURA SEMIPERMANENTE DEI CAPELLI AD OSSIDAZIONE O DIRETTE?
L?invenzione ha per oggetto composizioni per la tintura semipermanente dei capelli ad ossidazione o dirette, contenenti dimetilglucamina come unico agente alcalinizzante.
STATO DELLA TECNICA
Sono note diverse tipologie di colorazione per capelli, descritte nella Tabella 1.
Tabella 1
Le tinture ossidative semi-permanenti e permanenti hanno raggiunto un?importanza sostanziale nel settore delle tinture per capelli. La tinta ? creata per reazione di intermedi primari e copulanti, entrambi incolori, che in presenza di aria o ossidanti quali perossido di idrogeno reagiscono tra loro generando molecole colorate.
Le tinte cos? ottenute hanno elevati requisiti in termini di resistenza al lavaggio, alla luce solare e ai vari trattamenti chimici cui pu? essere sottoposto il capello.
L?International Colour Chart (I.C.C), un sistema utilizzato per classificare le tinture per i capelli, assegna valori numerici all?intensit? (livello) e al tono (riflessatura dei colori). Il livello del colore si riferisce a quanto ? chiaro o scuro. I valori vanno da 1 a 10, dove 1 si riferisce al pi? scuro (nero) e 10 si riferisce al pi? chiaro (biondo extrachiaro). Alcuni produttori utilizzano anche i valori 11 e 12 riferendosi a colorazioni biondo platino. Nella Tabella 2 sono riportati i nomi indicativi in funzione del numero considerato.
Tabella 2
Il tono si riferisce a quanto un colore ? freddo o caldo.
Mentre la misura del livello ? pressoch? uguale per tutti i produttori, il numero del tono ? spesso personalizzato. Il tono viene indicato con un numero che segue di norma il livello separato da un punto ?.?, una virgola ?,? oppure una barra ?/?.
In Tabella 3 ? riportata la classificazione seguita dalla Richiedente.
Tabella 3
Alcune tinture possono presentare doppia riflessatura ed ? usuale apporre due numeri dopo il separatore decimale del livello per poter esprime tale caratteristica. Per esempio, si pu? trovare in cartella colore un numero 7.21 dove il primo numero indica il livello biondo medio (7), il secondo numero il tono iris? (2) mentre il terzo numero indica una seconda riflessatura cenere (3). Tale notazione definisce ad esempio un colore biondo medio iris? cenere.
Le tinture ad ossidazione necessitano per colorare anche della presenza di un composto alcalinizzante, il pi? comune dei quali ? l?ammoniaca, composto dall?odore pungente e sgradevole.
Negli ultimi vent?anni si sono quindi diffuse sul mercato le tinture senza ammoniaca che contengono alcanolammine, la pi? utilizzata delle quali ? la monoetanolammina (MEA) che non ha odore sgradevole ma ? notoriamente aggressiva sulla fibra capillare, con tendenza a danneggiare la struttura del capello con conseguente perdita di lucentezza, pettinabilit? ed elasticit?, specialmente se utilizzata in quantit? elevate o per applicazioni ripetute ( , 65, 1?9; WO2017109132).
La monoisopropanolammina (MIPA) ? una alcanolammina meno aggressiva per il capello, come riportato in US 2021-0145718, ha una buona biodegradabilit?, ma non ? di origine naturale.
US10639257 descrive l?uso di un agente alcalinizzante costituito da almeno un aminoacido con una pKa maggiore di 10,00 e almeno un estere di un acido grasso con glicerolo polietossilato; in particolare viene descritta la combinazione di arginina con PEG-90 gliceril isostearato in sostituzione della monoetanolammina. Questo complesso alcalinizzante oltre ad avere lo svantaggio di non schiarire il capello e quindi di poter essere utilizzato solo in tinture ad ossidazione semi-permanenti, non ? adatto per composizioni in forma liquida o gel trasparente che prevedano l?uso di coloranti solfati, in particolare la p-toluendiammina, in quanto per problemi di solubilit? le nuances con maggior carico di coloranti solfati (solitamente quelle pi? scure) sono soggette ad opacizzazione o precipitazione. Per formulare colorazioni liquide o in gel trasparente utilizzando arginina come alcalinizzante bisogna ricorrere all?uso della para-fenilendiammina, colorante malvisto sul mercato in quanto ? un forte sensibilizzante. Le tinture semi-permanenti ad ossidazione vengono utilizzate per ravvivare il colore cosmetico sbiadito dai lavaggi e dagli agenti esterni quali radiazioni UV e inquinamento, viene utilizzato anche per tonalizzare m?ches e colpi di sole, attenuando fastidiosi riflessi gialli o rossi che possono presentarsi al termine di un trattamento di decolorazione. Si tratta dunque di colorazioni spesso utilizzate su capelli gi? danneggiati per cui ? desiderabile che questo tipo di prodotto sia particolarmente delicato.
Il mercato sente l?esigenza di avere a disposizione nuovi agenti alcalinizzanti che non abbiano odore sgradevole, che non danneggino i capelli, che siano di origine naturale, sostenibili per l?ambiente e che abbiano un profilo soddisfacente di tollerabilit?.
WO2017060481 descrive l?uso di ammine derivate da zuccheri in particolare della dimetilglucamina (DMG) come agente neutralizzante in composizioni detergenti per i capelli.
La documentazione tecnico/commerciale di un produttore definisce la DMG un regolatore di pH/neutralizzante delicato per l?industria cosmetica; essa infatti non presenta rischi per l?utilizzatore in quanto ha un eccellente profilo tossicologico e non ha un odore pungente, ? inoltre facilmente biodegradabile e di origine naturale.
Ai fini dell?applicazione nell?ambito della colorazione dei capelli la DMG ? indicata come utilizzabile in colorazioni semi-permanenti scure come co-dilatante assieme a monoetanolammina (MEA), amminometilpropanolo (AMP) oppure in combinazione con ammoniaca in colorazioni permanenti come neutralizzante. Non ? noto l?impiego della DMG come unico agente alcalinizzane in tinture ad ossidazione semi-permanenti in quanto il suo potere alcalinizzante non ? evidentemente sufficiente a produrre una colorazione intensa e duratura.
SOMMARIO DELL?INVENZIONE
E? stato sorprendentemente trovato che la dimetilglucamina (DMG) pu? essere utilizzata come unico agente alcalinizzante in colorazioni semi-permanenti ad ossidazione, sia liquide, che in gel trasparente che in crema, senza l?impiego di ammoniaca, monoetanolammina (MEA) o altre alcanolammine. La DMG pu? funzionare sia da alcalinizzante che da neutralizzante ed essere dunque presente nella formulazione come unico regolatore di pH oppure pu? essere combinata con neutralizzanti quali idrossido di sodio, idrossido di potassio, arginina, lisina, urea, allantoina, fosfato di tripotassio, saccarina sodica.
L?uso della DMG come alcalinizzante permette di formulare colorazioni semipermanenti ad ossidazione in forma liquida senza fare uso di parafenilendiammina e fornisce risultati colore particolarmente intensi ed elevate performance in termini di pettinabilit? anche in assenza di agenti condizionanti cationici sintetici ad elevato impatto ambientale (non biodegradabili).
L?invenzione riguarda pertanto una composizione per la colorazione semi-permanente di fibre cheratiniche, in particolare capelli, che comprende:
- un agente alcalinizzante costituito esclusivamente da dimetilglucamina;
- almeno un colorante ad ossidazione e/o diretto, con l?esclusione della parafenilendiammina;
- almeno un olio vegetale, preferibilmente scelto tra olio di argan e olio di semi di Limnanthes alba (meadowfoam);
- eventualmente un agente neutralizzante scelto tra: idrossido di sodio, idrossido di potassio, arginina, lisina, urea, allantoina, fosfato di tripotassio, saccarina sodica o loro combinazioni, in quantit? tale da ottenere la neutralizzazione degli ingredienti acidi presenti all?interno della formulazione.
Nella composizione dell?invenzione non sono presenti:
- ulteriori agenti alcalinizzanti, quali ad esempio ammoniaca e alcanolammine; - tensioattivi solfati quali ad esempio sodio lauril solfato, sodio cocoil solfato, sodio lauril etere solfato;
- siliconi o loro derivati, quali ad esempio dimeticone, amodimeticone.
Sono inoltre preferibilmente assenti agenti condizionanti cationici sintetici e/o scarsamente biodegradabili quali Polyquaternium-6 (poli(dimetil-diallilammonio cloruro)), Polyquaternium-7 (copolimero dietildiallilammonio cloruro/acrilammide), Polyquaternium-11 (dietil solfato del copolimero acido N,N-dimetilamminoetilmetacrilico/PVP), Polyquaternium-22, Polyquaternium-35 e Polyquaternium-37 (polimero trimetilamminoetil metacrilato cloruro).
La dimetilglucamina ? presente in percentuale in peso, rispetto al peso della composizione, dallo 0.25 al 7%, preferibilmente dallo 0.25 al 5%.
L?invenzione riguarda anche kit per tinture e metodi per colorare i capelli che impiegano dette composizioni.
DESCRIZIONE DETTAGLIATA DELL?INVENZIONE
Nel contesto dell?invenzione, per ?agente alcalinizzante? o ?alcalinizzante? si intende un ingrediente o una combinazione di ingredienti in grado di portare il pH sopra a 7.
Per ?attivatore? si intende un agente in grado di favorire la reazione di ossidazione e copulazione tra coloranti primari e accoppiatori. Per attivatore si intende ad esempio acqua ossigenata, perossido di carbammide, perborati e persolfati o peracidi. L?acqua ossigenata ? preferita.
L?attivatore pu? essere miscelato alla tintura in rapporti che generalmente vanno da 1:1 fino a 1:2 a seconda del risultato desiderato. Una minor quantit? di attivatore in miscela favorisce la concentrazione dei coloranti ed ? utile quando il servizio richiesto ? quello di camuffare i capelli grigi; una maggior quantit? di attivatore ? utile invece quando si vuole tonalizzare o fornire riflessi alla moda.
La miscela della tintura con l?attivatore viene lasciata in posa sui capelli da 5 a 60 minuti a temperatura ambiente e poi viene risciacquata
La composizione dell?invenzione pu? essere in forma di emulsione O/W (olio in acqua) o W/O (acqua in olio), liquido, liquido bifasico, gel, gel trasparente, olio, aerosol, mousse, eventualmente in forma ?ready to use?, comprendente due o pi? componenti da miscelare prima dell?uso.
La composizione dell?invenzione pu? essere applicata direttamente sul capello, e in tal caso l?attivatore ? l?ossigeno presente nell?aria e la tintura viene definita ?progressiva?. In tal caso la composizione viene lasciata in posa da 5 a 45 minuti e viene opzionalmente risciacquata.
La composizione dell?invenzione pu? anche contenere solo coloranti diretti, in tal caso viene applicata sul capello senza essere miscelata con un attivatore.
Il colorante ad ossidazione ? preferibilmente scelto tra 1-Acetoxy-2-Methylnaphthalene, 5-Amino-4-Chloro-o-Cresol, 4-Amino-m-Cresol, 6-Amino-m-Cresol, 3-Amino-2,4-Dichlorophenol, 6-Amino-2,4-Dichloro-m-Cresol, 3-Amino-2,4-Dichlorophenol, 5-Amino-2,6-Dimethoxy-3-Hydroxypyridine, 5-Amino-2,6-Dimethoxy-3-Hydroxypyridine, 3-Amino-2,6-Dimethylphenol, 2-Amino-5-Ethylphenol, 5-Amino-4-Fluoro-2-Methylphenol Sulfate, 2-Amino-4-Hydroxyethylaminoanisole, 2-Amino-4-Hydroxyethylaminoanisole, 2-Amino-3-Hydroxypyridine, 4-Amino-2-Hydroxytoluene, 2-Aminomethyl-p-Aminophenol, 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid, m-Aminophenol, o-Aminophenol, p-Aminophenol, 1,3-Bis-(2,4-Diaminophenoxy)propane, 4,6-Bis(2-Hydroxyethoxy)-m-Phenylenediamine, 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine, N,N-Bis(2-Hydroxyethyl)-p-Phenylenediamine, 4-Chloro-2-Aminophenol, 2-Chloro-p-Phenylenediamine, 4-Chlororesorcinol, N-Cyclopentyl-m-Aminophenol, 3,4-Diaminobenzoic Acid, 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole-Sulfate, 2,3-Diaminodihydropyrazolo Pyrazolone Dimethosulfonate, 2,4-Diaminodiphenylamine, 4,4'-Diaminodiphenylamine, 2,4-Diamino-5-Methylphenetole, 2,4-Diamino-5-Methylphenoxyethanol, 4,5-Diamino-1-Methylpyrazole, 2,4-Diaminophenol, 2,4-Diaminophenoxyethanol, 2,6-Diaminopyridine, 2,6-Diamino-3-((Pyridin-3-yl)Azo)Pyridine, N,N-Diethyl-m-Aminophenol, N,N-Diethylp-Phenylenediamine, N,N-Diethyltoluene-2,5-Diamine, 2,6-Dihydroxy-3,4-Dimethylpyridine, 2,6-Dihydroxyethylaminotoluene, Dihydroxyindole, 5,6-Dihydroxyindoline, 2,6-Dimethoxy-3,5-Pyridinediamine, m-Dimethylaminophenyl Urea, N,N-Dimethyl-p-Phenylenediamine, 2,6-Dimethyl-p-Phenylenediamine, N,N-Dimethyl 2,6-Pyridinediamine, 4-Ethoxy-m-Phenylenediamine, 3-Ethylamino-p-Cresol, 4-Fluoro-6-Methyl-m-Phenylenediamine, 1-Hexyl 4,5-Diamino Pyrazole Sulfate, Hydroquinone, Hydroxyanthraquinoneaminopropyl Methyl Morpholinium Methosulfate, Hydroxybenzomorpholine, Hydroxyethoxy Aminopyrazolopyridine, Hydroxyethylaminomethyl-p-Aminophenol, 1-Hydroxyethyl 4,5-Diamino Pyrazole, Hydroxyethyl-2,6-Dinitro-p-Anisidine, Hydroxyethyl-3,4-Methylenedioxyaniline, Hydroxyethyl-p-Phenylenediamine, 2-Hydroxyethyl Picramic Acid, 6-Hydroxyindole, Hydroxypropyl Bis(N-Hydroxyethyl-p-Phenylenediamine), Hydroxypropyl-p-Phenylenediamine, Hydroxypyridinone, Isatin, N-Isopropyl 4,5-Diamino Pyrazole, N-Methoxyethyl-p-Phenylenediamine, 6-Methoxy-2-methylamino-3-aminopyridine, 2-Methoxymethyl-p-Aminophenol, 2-Methoxymethyl-p-Phenylenediamine, 2-Methoxy-p-Phenylenediamine, 6-Methoxy-2,3-Pyridinediamine, 4-Methoxytoluene-2,5-Diamine, p-Methylaminophenol, 4-Methylbenzyl 4,5-Diamino Pyrazole, 2,2'-Methylenebis 4-Aminophenol, 3,4-Methylenedioxyaniline, 3,4-Methylenedioxyphenol, 2-Methyl-5-Hydroxyethylaminophenol, Methylimidazoliumpropyl p-Phenylenediamine, 2-Methyl-1-Naphthol, 2-Methylresorcinol, 1,5-Naphthalenediol, 1,7-Naphthalenediol, 2,3-Naphthalenediol, 2,7-Naphthalenediol, 1-Naphthol, 2-Naphthol, PEG-3 2,2'-Di-p-Phenylenediamine, p-Phenetidine, m-Phenylenediamine, Phenyl Methyl Pyrazolone, N-Phenyl-p-Phenylenediamine, Picramic Acid, Pyrocatechol, Pyrogallol, Resorcinol, Sodium Picramate, Tetraaminopyrimidine, Tetrahydro-6-Nitroquinoxaline, Tetrahydropyranyl, Resorcinol, Toluene-2,5-Diamine, Toluene-2,6-Diamine, Toluene-3,4-Diamine, 2,5,6-Triamino-4-Pyrimidinol, 1,2,4-Trihydroxybenzene. I coloranti ad ossidazione possono essere in forma di sali.
Il colorante diretto pu? essere scelto tra Acid green 25, Acid red 92, Acid red 95, 2-Amino-6-Chloro-4-Nitrophenol, 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid, 2-Amino-3-Nitrophenol, 2-Amino-4-Nitrophenol, 2-Amino-5-Nitrophenol, 4-Amino-2-Nitrophenol, 4-Amino-3-Nitrophenol, Basic Blue 99, Basic Blue 124, Basic Brown 4, Basic Brown 16, Basic Brown 17, Basic Orange 31, Basic Red 1, Basic Red 51, Basic Red 76, Basic Red 118, Basic Violet 2, Basic Violet 14, Basic Violet 16, Basic Yellow 40, Basic Yellow 57, Basic Yellow 87, N,N'-Bis(2-Hydroxyethyl)-2-Nitrop-Phenylenediamine, 2-Chloro-6-Ethylamino-4-Nitrophenol, 2-Chloro-5-Nitro-N-Hydroxyethyl p-Phenylenediamine, N,N'-Dimethyl-N-Hydroxyethyl-3-Nitro-p-Phenylenediamine, Direct Black 51, Disperse Blue 377, Disperse Violet 1, HC Blue No. 2, HC Blue No. 10, HC Blue No. 11, HC Blue No. 12, HC Blue No. 13, HC Blue No. 14, HC Blue No. 15, HC Blue No.16, HC Blue No. 17, HC Blue No. 18, HC Orange No. 1, HC Orange No. 2, HC Red No. 3, HC Red No. 10, HC Red No. 11, HC Red No. 13, HC Violet No. 1, HCVioletNo.2, HC Yellow No. 2, HC Yellow No. 4, HC Yellow No. 11, HC Yellow No.13, 2-Hydroxyethylamino-5-Nitroanisole, Hydroxyethyl-2-Nitro-p-Toluidine, 4-Hydroxypropylamino-3-Nitrophenol, 3-Methylamino-4-Nitrophenoxyethanol, 3-Nitro-4-Aminophenoxyethanol, 3-Nitro-p-Cresol, 2-Nitro-5-Glyceryl Methylaniline, 4-Nitroguaiacol, 3-Nitro-p-Hydroxyethylaminophenol, 2-Nitro-N-Hydroxyethyl-p-Anisidine,Nitrophenol, 4-Nitrophenyl Aminoethylurea, 4-Nitro-o-Phenylenediamine, 4-Nitro-m-Phenylenediamine, 4-Nitro-o-Phenylenediamine, 2-Nitro-p-Phenylenediamine, 6-Nitro-2,5-Pyridinediamine, 6-Nitro-o-Toluidine, Pigment Blue 15, Pigment Blue 15:1, Pigment Violet 23, Pigment Yellow 13, Solvent Black 3, Solvent Black 5, Solvent Blue 35, Solvent Yellow 85, Solvent Yellow 172, Tetrabromophenol Blue, Tetrahydro-6-Nitroquinoxaline, Tetrahydropyranyl Resorcinol.
Preferibilmente il colorante diretto ? scelto tra Basic Orange 31, Basic Red 51, Basic Red 76,,Basic Violet2, ,Basic Violet 16, Basic Yellow 40, Basic Yellow 57, Basic Yellow 87, Hc blue 15,Hc blue 17,Hc blue 16, Basic blue 124, HC Blue No.2, HC Blue No. 12, , HC Red No. 3, HC Red No. 10, HC Red No. 11, HC Red No. 13, HC Violet No. 2, HC Yellow No. 2, HC Yellow No. 4, 2-Amino-6-Chloro-4-Nitrophenol, 4-Amino-3-Nitrophenol, 4-Hydroxypropylamino-3-Nitrophenol e 3-Nitro-N-(2-Hydroxyethyl)-4-Aminophenol.
Le composizioni dell?invenzione possono anche contenere uno o pi? additivi, naturali o sintetici, comunemente usati nel settore cosmetico per la formulazione in soluzioni, creme, emulsioni, gel, aerosol, schiume, polveri e granulati. Esempi di tali additivi comprendono solventi quali: acqua, mono o poli -alcoli alifatici a basso peso molecolare, loro esteri e eteri, per esempio alcanoli, in particolare da 1 a 4 atomi di carbonio, quali etanolo, n-propanolo, isopropanolo, butanolo, isobutanolo; alcoli bivalenti o trivalenti, in particolare aventi da 2 a 6 atomi di carbonio, quali etilenglicol, propilenglicol, 1,3-propandiolo, 1,4-butandiolo, 1,5-pentandiolo, 1,6-esandiolo, 1,2,6-esantriolo, glicerina, dietilenglicol, dipropilenglicol, glicoli polialchilenici, quali trietilen glicole, polietilenglicol, tripropilen glicole e polipropilen glicole; eteri alchilici a basso peso molecolare di alcoli multivalenti, quali etilenglicol monometil etere, etilenglicol monoetil etere, etilenglicol monopropil etere o etilenglicol monobutil etere, dietilenglicol monometil etere o dietilenglicol mono etil etere, trietilenglicol monometil etere o trietilenglicol mono etil etere; chetoni e cheto alcoli, in particolare con da 3 a 7 atomi di carbonio, quali acetone, metiletilchetone, dietilchetone, metilisobutilchetone, metil fenil chetone, ciclopentanone, cicloesanone e diaceton alcol; eteri quali dibutil etere, tetraidrofurano, diossano o diisopropiletere; esteri quali etil formiato, metil formiato, metil acetato, etil acetato, propil acetato, butil acetato, fenil acetato, etilenglicol monoetil etere acetato o acido acetico idrossi etil estere; ammidi quali N-metil-pirrolidone; come pure urea, tetrametil urea e tiodiglicol. Possono essere presenti anche emulsionanti scelti tra anionici, cationici, non-ionici, anfoteri o zwitterionici; agenti umettanti; tensioattivi, quali solfati di alcoli grassi, alchilsolfonati, alchilbenzen solfonati, sali di alchiltrimetil ammonio, alchilbetaine, ?-olefin solfonati, alcoli grassi etossilati, nonilfenoli etossilati, alcanolammine di acidi grassi, esteri etossilati di acidi grassi, poliglicol etere solfati di acidi grassi, alchilpoliglucosidi; addensanti, quali alcoli grassi superiori, amidi, derivati di cellulosa, vaselina, olio di paraffina, acidi grassi e altri componenti grassi in forma emulsionata, addensanti idrosolubili polimerici, per esempio gomme naturali, gomma di guar, gomma xantanica, farina di carruba, pectina, destrano, agar-agar, amilosio, amilopectina, destrina, argille o idrocolloidi sintetici, quali polivinilalcol; agenti condizionanti, quali derivati di lanolina, colesterolo, acido pantotenico, polimeri idrosolubili cationici, derivati proteici, provitamine, vitamine, estratti di piante, zucchero e betaine; agenti ausiliari, quali elettroliti, antiossidanti, ammidi grassi, sequestranti, agenti filmogeni e conservanti come pure cera d?api.
Le composizioni dell?invenzione possono vantaggiosamente comprendere tensioattivi non ionici e/o anionici, quali esteri di acidi grassi etossilati, nonilfenoli etossilati, alcoli grassi etossilati, alchilbenzen solfonati, olefin sulfonati, alcanolammidi di acidi grassi, Coco Glucoside, Decyl Glucoside, Lauryl Glucoside, Capryloyl/Caproyl Methyl Glucamide, Lauroyl/Myristoyl Methyl Glucamide, Lauroyl/Myristoyl Methyl Glucamide, Cocoyl Methyl Glucamide, sodium methyl cocoyl taurare,sodium lauroyl methyl isethionate, sodio cocoil glutammato, sodio lauroil glutammato, sodio lauroil sarcosinato, sodio stearoil lattilato in quantit? totale preferibilmente circa da 0,1 a 30% in peso, pi? preferibilmente da 0,2 a 15% in peso.
Esempi di tensioattivi cationici sono composti d?ammonio quaternario; alogenuri di ammonio come alchiltrimetilammonio cloruri, dialchildimetilammonio cloruri e trialchilmetilammonio cloruri. Esempi specifici sono cetiltrimetilammonio cloruro, steariltrimetilammonio cloruro, distearildimetilammonio cloruro, laurildimetilammonio cloruro, laurildimetilbenzilammonio cloruro e tricetilmetilammonio cloruro, Altri tensioattivi cationici utili sono idrolizzati proteici quaternizzati, stearamidopropyl dimethylamine.
La composizione pu? contenere anche emulsionanti quali ad esempio: Cetearyl Olivate, Sorbitan Olivate o una loro miscela (Olivem 1000 di Hallstar); Polyglyceryl-2 Stearate, Polyglyceryl-2-oleate, Glyceryl Stearate o loro miscele (Polyaquol 2W e Polyaquol OS2).
Oltre agli olii vegetali la composizione dell?invenzione pu? contenere altri agenti condizionanti, preferibilmente di origine vegetale o facilmente biodegradabili, quali per esempio poliquaternium-10 (cellulosa cationizzata), isoamil laurato. L?invenzione sar? descritta in dettaglio nei seguenti esempi, in cui i componenti riportati sono nominati attraverso la nomenclatura INCI (Decisione della Comunit? Europea 2006/257/EC e successivi emendamenti - International nomenclature cosmetic ingredient). In Tabella 4 ? riportata la formula A1 dell?attivatore a base di acqua ossigenata (10 volumi) utilizzato negli esempi.
Le quantit? degli ingredienti sono espresse in percentuale in peso rispetto al peso della composizione.
Tabella 4. Attivatore
Nella Tabella 5 sono riportate le formule da F1* a F3 che rappresentano le tinture semipermanenti ad ossidazione in forma liquida utilizzate negli esempi seguenti. La formula F1* ? conforme all?invenzione e non contiene agenti neutralizzanti diversi dalla DMG. Le quantit? degli ingredienti sono espresse in percentuale in peso rispetto al peso della composizione.
Tabella 5. Tinture semi-permanenti ad ossidazione liquide nuance 9
In Tabella 6 sono riportate le formule F4*, F5 e F6 che rappresentano le tinture semipermanenti ad ossidazione in crema utilizzate negli esempi seguenti. La formula F4* ? conforme all?invenzione e contiene idrossido di potassio come neutralizzante. Le quantit? degli ingredienti sono espresse in percentuale in peso rispetto al peso della composizione La percentuale di alcalinizzante (DMG, arginina e MEA) ? stata scelta in modo da ottenere un pH della tintura tra 9.0 e 10.
Tabella 6. Tinture semi permanenti ad ossidazione in crema, nuance 6.66
In Tabella 7 sono riportate le formule F7*, F8 che rappresentano tinture semipermanenti ad ossidazione in forma liquida scure (nuance 1) senza parafenilendiammina. La formula F7* ? conforme all?invenzione e contiene idrossido di sodio come neutralizzante. Le quantit? degli ingredienti sono espresse in percentuale in peso rispetto al peso della composizione. Non ? stato fatto il confronto con la formula avente arginina come alcalinizzante per problemi di instabilit? a causa della presenza di ptoluendiammina solfata.
Tabella 7. Tinture semi permanenti ad ossidazione liquide, nuance 1
In Tabella 8 sono riportati esempi di formulazioni semipermanenti in gel a base di coloranti diretti. La formula F12 ? una comune colorazione semipermanente diretta a pH 6,9 mentre le formule F9* (invenzione), F10, F11 contengono una piccola percentuale di alcalinizzante in modo da raggiungere pH 9,2.
Tabella 8. Colorazioni semipermanenti in gel con coloranti diretti (nuance brown)
In Tabella 9 sono riportate tinture semipermanenti ad ossidazioni liquide in cui sono stati rimossi agenti condizionanti cationici sintetici/semisintetici difficilmente biodegradabili. Le formule F14* e F15* sono conformi all?invenzione.
Tabella 9. Tinture semi permanenti ad ossidazione liquide, nuance 9, senza condizionanti cationici sintetici/non biodegradabili
In Tabella 10 sono riportati esempi di tinture progressive conformi all?invenzione.
Tabella 10. Esempio di tintura progressiva conforme all?invenzione
Esempio 1
PETTINABILITA? DOPO APPLICAZIONI RIPETUTE
Il test di pettinabilit? consiste nell?utilizzo di un dinamometro DIA-STRON MTT175 per valutare il lavoro effettuato per pettinare le ciocche di capelli. I capelli utilizzati in questo test sono decolorati, notoriamente difficili da pettinare in quanto danneggiati. A tale scopo le composizioni F1*, F2, F3 F4*, F5 e F6 sono state miscelate singolarmente con la composizione A1 in un rapporto 1:2 ed applicate su ciocche decolorate. Il tempo di sviluppo del colore ? stato di 25 minuti ad una temperatura di 30?C. Le ciocche sono state risciacquate e l?applicazione ? stata ripetuta nello stesso modo per 5 volte. Al termine del processo, dopo l?ultimo risciacquo, le ciocche sono state asciugate in apposito dryer e di nuovo misurate al dinamometro. Le formule F3 e F6 (con MEA) sono state utilizzate come riferimento
I risultati del test sono riportati in Tabella 11. La riduzione percentuale indica una diminuzione del lavoro per effettuare la pettinata per via di un minor attrito del pettine sulle fibre capillari. Pertanto, maggiore ? la riduzione percentuale e migliore ? la pettinabilit? rispetto alle ciocche tinte con colorazione a base di MEA.
Una migliore pettinabilit? ? sinonimo di minor danneggiamento del capello per applicazioni ripetute del prodotto.
Tabella 11. Analisi della pettinabilit? al dinamometro:
I dati dimostrano che le tinte dell?invenzione (F1* e F4*) dopo applicazioni ripetute lasciano il capello pi? maneggevole e pettinabile, rispetto alle formule F3 e F6 contenenti MEA, indice di un minor danneggiamento del capello da parte della DMG.
Esempio 2
ANALISI AL MICROSCOPIO A SCANSIONE ELETTRONICA (SEM)
La cuticola, lo strato esterno del capello composto da cellule piatte cheratinizzate, ? un buon indicatore della salute dei capelli. I trattamenti chimici come la colorazione possono danneggiare le cuticole.
Lo strumento SEM (Scanning Electronic Microscope) pu? ottenere immagini dettagliate delle cuticole. Il software ImageJ fornisce un metodo per misurare la distanza tra le cuticole, data una distanza di riferimento di 25 ?m. Pi? corte sono le cuticole, pi? sani sono i capelli. Sui capelli danneggiati, la cuticola ? stata rimossa dal trattamento e la distanza tra gli strati rimanenti della cuticola ? maggiore. I capelli utilizzati in questo test sono capelli naturali livello 5.
Le formule F7* e F8 sono state miscelate singolarmente con la composizione A1 in un rapporto 1:2 ed applicate sulle ciocche. Il tempo di sviluppo del colore ? stato di 25 minuti ad una temperatura di 30?C. Le ciocche sono state risciacquate e l?applicazione ? stata ripetuta nello stesso modo per 5 volte. Il risultato di questo test ? riportato in Tabella 12 e conferma il maggior danneggiamento operato dalla MEA rispetto alla DMG.
Tabella 12. Valutazione al SEM
Esempio 3
PERFORMANCE SU MODELLA COLORAZIONE DIRETTA
Per questo test sono state utilizzate 6 modelle. Le composizioni utilizzate sono F9*, F10, F11, F12. Le formule sono state applicate per 25 minuti, successivamente risciacquate sotto acqua corrente. Per ogni modella ? stata applicata su met? testa la formula F12 come riferimento e sull?altra met? la formula F9*o F10 o F11.5 esperti del settore hanno valutato i seguenti parametri:
a) Livello del colore
b) Riflesso del colore (tono)
c) Intensit? del colore.
Per ciascun parametro ? stato espresso un giudizio in relazione alla formula F12 secondo la seguente scala:
Paragonabile
Migliore
Peggiore.
Nella Tabella 13 sono riportati i risultati medi delle valutazioni.
Tabella 13. Valutazione performance su modella
Da questo test si evince come la DMG sorprendentemente migliori il deposito del colore sul capello dando un risultato pi? intenso non solo in confronto alla formula di riferimento a pH neutro ma anche rispetto alle altre formule a pH basico con alcalinizzanti MIPA e arginina.
Esempio 4
PERFORMANCE SU MODELLA COLORAZIONE AD OSSIDAZIONE
Per questo test sono state utilizzate 6 modelle. Le composizioni utilizzate sono F1*, F3, F4*, F6. Le formule sono state miscelate con attivatore A1 in rapporto 1:2 e applicate per 20 minuti, successivamente risciacquate sotto acqua corrente.
Per ogni modella ? stata applicata su met? testa la formula con MEA e sull?altra met? quella con DMG. Su 3 modelle ? stata applicata la nuance 9 liquida e su 3 modelle la nuance 6.66 in crema. 5 esperti del settore hanno valutato i seguenti parametri:
d) Livello del colore
e) Riflesso del colore (tono)
f) Intensit? del colore.
Per ciascun parametro ? stato espresso un giudizio sulla formula con DMG rispetto a quella con MEA secondo la seguente scala:
Paragonabile
Migliore
Peggiore.
Nella Tabella 14 sono riportati i risultati medi delle valutazioni.
Tabella 14 Valutazione performance su modella
Le composizioni dell?invenzione danno un risultato colore paragonabile al riferimento (tintura con MEA) in termini di livello e tono ma il colore risulta pi? intenso.
Esempio 5
PETTINABILITA? IN ASSENZA DI CONDIZIONANTI CATIONICI SINTETICI
Il test di pettinabilit? consiste nell?utilizzo di un dinamometro DIA-STRON MTT175 per valutare il lavoro effettuato per pettinare le ciocche di capelli. I capelli utilizzati in questo test sono capelli naturali livello 10 (biondo extrachiaro). A tale scopo le composizioni F3, F13, F14*e F15* sono state miscelate singolarmente con la composizione A1 in un rapporto 1:2 ed applicate ciascuna su 3 ciocche. Il tempo di sviluppo del colore ? stato di 25 minuti ad una temperatura di 30?C. Le ciocche sono state risciacquate e asciugate in apposito dryer per poi essere misurate al dinamometro. I risultati del test sono riportati in Figura 1.
In ordinata ? riportato il lavoro medio per effettuare la pettinata. Maggiore ? il lavoro, maggiore ? l?attrito incontrato dal pettine e minore la pettinabilit?
La Figura dimostra come la pettinabilit? delle formule con DMG migliori sensibilmente per semplice aggiunta di un olio vegetali mentre la formula con MEA nonostante la presenza di un olio vegetale e di un efficace condizionante semi-sintetico ha pettinabilit? scarsa.
Claims (10)
1. Composizioni per la tintura semipermanente dei capelli ad ossidazione (demi permanenti) o dirette, contenenti:
- dimetilglucamina come unico agente alcalinizzante,
- almeno un colorante ad ossidazione e/o diretto con l?esclusione della parafenilendiammina,
- almeno un olio vegetale,
- eventualmente un agente neutralizzante.
2. Composizioni secondo la rivendicazione 1 in cui la dimetiglucammina ? presente in concentrazioni in peso da 0,25 a 7%, preferibilmente dallo 0,25 al 5%.
3. Composizioni secondo la rivendicazione 1 o 2 in cui l?olio vegetale ? olio di Limanthes alba (meadowfoam) o olio di argan.
4. Composizioni secondo una o pi? delle rivendicazioni da 1 a 3 contenenti inoltre un neutralizzante scelto fra idrossido di sodio, idrossido di potassio, arginina, lisina, urea, allantoina, fosfato di tripotassio, saccarina sodica.
5. Composizioni secondo una o pi? delle rivendicazioni da 1 a 4 in cui i coloranti diretti sono scelti fra Acid green 25, Acid red 92, Acid red 95, 2-Amino-6-Chloro-4-Nitrophenol, 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid, 2-Amino-3-Nitrophenol, 2-Amino-4-Nitrophenol, 2-Amino-5-Nitrophenol, 4-Amino-2-Nitrophenol, 4-Amino-3-Nitrophenol, Basic Blue 99, Basic Blue 124, Basic Brown 4, Basic Brown 16, Basic Brown 17, Basic Orange 31, Basic Red 1, Basic Red 51, Basic Red 76, Basic Red 118, Basic Violet 2, Basic Violet 14, Basic Violet 16, Basic Yellow 40, Basic Yellow 57, Basic Yellow 87, N,N'-Bis(2-Hydroxyethyl)-2-Nitro-p-Phenylenediamine, 2-Chloro-6-Ethylamino-4-Nitrophenol, 2-Chloro-5-Nitro-N-Hydroxyethyl p-Phenylenediamine, N,N'-Dimethyl-N-Hydroxyethyl-3-Nitro-pPhenylenediamine, Direct Black 51, Disperse Blue 377, Disperse Violet 1, HC Blue No.
2, HC Blue No. 10, HC Blue No. 11, HC Blue No. 12, HC Blue No. 13, HC Blue No. 14, HC Blue No. 15, HC Blue No.16, HC Blue No. 17, HC Blue No. 18, HC Orange No. 1, HC Orange No. 2, HC Red No. 3, HC Red No. 10, HC Red No. 11, HC Red No. 13, HC Violet No.1, HCVioletNo.2, HC Yellow No.2, HC Yellow No.4, HC Yellow No.11, HC Yellow No.13, 2-Hydroxyethylamino-5-Nitroanisole, Hydroxyethyl-2-Nitro-p-Toluidine, 4-Hydroxypropylamino-3-Nitrophenol, 3-Methylamino-4-Nitrophenoxyethanol, 3-Nitro-4-Aminophenoxyethanol, 3-Nitro-p-Cresol, 2-Nitro-5-Glyceryl Methylaniline, 4-Nitroguaiacol, 3-Nitro-p-Hydroxyethylaminophenol, 2-Nitro-N-Hydroxyethyl-p-Anisidine,Nitrophenol, 4-Nitrophenyl Aminoethylurea, 4-Nitro-o-Phenylenediamine, 4-Nitro-m-Phenylenediamine, 4-Nitro-o-Phenylenediamine, 2-Nitrop-Phenylenediamine, 6-Nitro-2,5-Pyridinediamine, 6-Nitro-o-Toluidine, Pigment Blue 15, Pigment Blue 15:1, Pigment Violet 23, Pigment Yellow 13, Solvent Black 3, Solvent Black 5, Solvent Blue 35, Solvent Yellow 85, Solvent Yellow 172, Tetrabromophenol Blue, Tetrahydro-6-Nitroquinoxaline, Tetrahydropyranyl Resorcinol.
6. Composizioni secondo la rivendicazione 5 in cui i coloranti diretti sono scelti fra Basic Orange 31, Basic Red 51, Basic Red 76,,Basic Violet2, ,Basic Violet 16, Basic Yellow 40, Basic Yellow 57, Basic Yellow 87, Hc blue 15,Hc blue 17,Hc blue 16, Basic blue 124, HC Blue No.2, HC Blue No. 12, , HC Red No. 3, HC Red No. 10, HC Red No. 11, HC Red No. 13, HC Violet No. 2, HC Yellow No. 2, HC Yellow No. 4, 2-Amino-6-Chloro-4-Nitrophenol, 4-Amino-3-Nitrophenol, 4-Hydroxypropylamino-3-Nitrophenol e 3-Nitro-N-(2-Hydroxyethyl)-4-Aminophenol.
7. Composizioni secondo una o pi? delle rivendicazioni da 1 a 6 in cui i coloranti ad ossidazione sono scelti fra 1-Acetoxy-2-Methylnaphthalene, 5-Amino-4-Chloro-o-Cresol, 4-Amino-m-Cresol, 6-Amino-m-Cresol, 3-Amino-2,4-Dichlorophenol, 6-Amino-2,4Dichloro-m-Cresol, 3-Amino-2,4-Dichlorophenol, 5-Amino-2,6-Dimethoxy-3-Hydroxypyridine, 5-Amino-2,6-Dimethoxy-3-Hydroxypyridine, 3-Amino-2,6-Dimethylphenol, 2-Amino-5-Ethylphenol, 5-Amino-4-Fluoro-2-Methylphenol Sulfate, 2-Amino-4-Hydroxyethylaminoanisole, 2-Amino-4-Hydroxyethylaminoanisole, 2-Amino-3-Hydroxypyridine, 4-Amino-2-Hydroxytoluene, 2-Aminomethyl-p-Aminophenol, 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid, m-Aminophenol, o-Aminophenol, p-Aminophenol, 1,3-Bis-(2,4-Diaminophenoxy)propane, 4,6-Bis(2-Hydroxyethoxy)-m-Phenylenediamine, 2,6-Bis(2-Hydroxyethoxy)-3,5-Pyridinediamine, N,N-Bis(2-Hydroxyethyl)-p-Phenylenediamine, 4-Chloro-2-Aminophenol, 2-Chloro-p-Phenylenediamine, 4-Chlororesorcinol, N-Cyclopentyl-m-Aminophenol, 3,4-Diaminobenzoic Acid, 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole-Sulfate, 2,3-Diaminodihydropyrazolo Pyrazolone Dimethosulfonate, 2,4-Diaminodiphenylamine, 4,4'-Diaminodiphenylamine, 2,4-Diamino-5-Methylphenetole, 2,4-Diamino-5-Methylphenoxyethanol, 4,5-Diamino-1-Methylpyrazole, 2,4-Diaminophenol, 2,4-Diaminophenoxyethanol, 2,6-Diaminopyridine, 2,6-Diamino-3-((Pyridin-3-yl)Azo)Pyridine, N,N-Diethyl-m-Aminophenol, N,N-Diethylp-Phenylenediamine, N,N-Diethyltoluene-2,5-Diamine, 2,6-Dihydroxy-3,4-Dimethylpyridine, 2,6-Dihydroxyethylaminotoluene, Dihydroxyindole, 5,6-Dihydroxyindoline, 2,6-Dimethoxy-3,5-Pyridinediamine, m-Dimethylaminophenyl Urea, N,N-Dimethyl-p-Phenylenediamine, 2,6-Dimethyl-p-Phenylenediamine, N,N-Dimethyl 2,6-Pyridinediamine, 4-Ethoxy-m-Phenylenediamine, 3-Ethylamino-p-Cresol, 4-Fluoro-6-Methyl-m-Phenylenediamine, 1-Hexyl 4,5-Diamino Pyrazole Sulfate, Hydroquinone, Hydroxyanthraquinoneaminopropyl Methyl Morpholinium Methosulfate, Hydroxybenzomorpholine, Hydroxyethoxy Aminopyrazolopyridine, Hydroxyethylaminomethyl-p-Aminophenol, 1-Hydroxyethyl 4,5-Diamino Pyrazole, Hydroxyethyl-2,6-Dinitro-p-Anisidine, Hydroxyethyl-3,4-Methylenedioxyaniline, Hydroxyethyl-p-Phenylenediamine, 2-Hydroxyethyl Picramic Acid, 6-Hydroxyindole, Hydroxypropyl Bis(N-Hydroxyethyl-p-Phenylenediamine), Hydroxypropyl-p-Phenylenediamine, Hydroxypyridinone, Isatin, N-Isopropyl 4,5-Diamino Pyrazole, N-Methoxyethyl-p-Phenylenediamine, 6-Methoxy-2-methylamino-3-aminopyridine, 2-Methoxymethyl-p-Aminophenol, 2-Methoxymethyl-p-Phenylenediamine, 2-Methoxyp-Phenylenediamine, 6-Methoxy-2,3-Pyridinediamine, 4-Methoxytoluene-2,5-Diamine, p-Methylaminophenol, 4-Methylbenzyl 4,5-Diamino Pyrazole, 2,2'-Methylenebis 4-Aminophenol, 3,4-Methylenedioxyaniline, 3,4-Methylenedioxyphenol, 2-Methyl-5-Hydroxyethylaminophenol, Methylimidazoliumpropyl p-Phenylenediamine, 2-Methyl-1-Naphthol, 2-Methylresorcinol, 1,5-Naphthalenediol, 1,7-Naphthalenediol, 2,3-Naphthalenediol, 2,7-Naphthalenediol, 1-Naphthol, 2-Naphthol, PEG-3 2,2'-Di-p-Phenylenediamine, p-Phenetidine, m-Phenylenediamine, Phenyl Methyl Pyrazolone, N-Phenyl-p-Phenylenediamine, Picramic Acid, Pyrocatechol, Pyrogallol, Resorcinol, Sodium Picramate, Tetraaminopyrimidine, Tetrahydro-6-Nitroquinoxaline, Tetrahydropyranyl, Resorcinol, Toluene-2,5-Diamine, Toluene-2,6-Diamine, Toluene-3,4-Diamine, 2,5,6-Triamino-4-Pyrimidinol, 1,2,4-Trihydroxybenzene.
8. Composizioni secondo una o pi? delle rivendicazioni da 1 a 7 prive di agenti condizionanti cationici sintetici e/o difficilmente biodegradabili.
9. Composizioni secondo una o pi? delle rivendicazioni da 1 a 8 prive di tensioattivi solfati e siliconi.
10. Composizione secondo una o pi? delle rivendicazioni da 1 a 9 in forma liquida.
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