Conservantes autorizados en los cosméticos
Anexo V: conservantes autorizados, con su concentración máxima. 55 entradas en total.
Anexo V, exportación CosIngBase de datos de ingredientes cosméticos de la Comisión Europea.. CosIng, anexo V del Reglamento (CE) 1223/2009 (conservantes autorizados), consultado el 23 de octubre de 2026, fuente actualizada el 13 de octubre de 2026.
| Entrada | Sustancia (denominación oficial en inglés) | Número CAS | Condiciones (texto inglés de CosIng) | Acto que la introdujo |
|---|---|---|---|---|
| 1a | AMMONIUM BENZOATE / BUTYL BENZOATE / CALCIUM BENZOATE / ETHYL BENZOATE / ISOBUTYL BENZOATE / ISOPROPYL BENZOATE / MAGNESIUM BENZOATE / MEA-BENZOATE / METHYL BENZOATE / PHENYL BENZOATE / POTASSIUM BENZOATE / PROPYL BENZOATE Salts of benzoic acid other than that listed under reference number 1 and esters of benzoic acid | 1863-63-4 /2090-05-3 / 582-25-2 / 553-70-8 / 4337-66-0 / 93-58-3 / 93-89-0 / 2315-68-6 / 136-60-7 / 120-50-3 / 939-48-0 / 93-99-2 | 0,5 % (acid) | Reglamento (CE) n.º 1223/2009 |
| 1 | BENZOIC ACID; SODIUM BENZOATE Benzoic acid and its sodium salt | 65-85-0 / 532-32-1 | a) Rinse-off products, except oral care products b) Oral care products c) Leave-on products a) 2,5 % (acid) b) 1,7 % (acid) c) 0,5 % (acid) | Reglamento (CE) n.º 1223/2009 |
| 2 | PROPIONIC ACID / AMMONIUM PROPIONATE / CALCIUM PROPIONATE / MAGNESIUM PROPIONATE / POTASSIUM PROPIONATE / SODIUM PROPIONATE Propionic acid and its salts | 79-09-4 / 17496-08-1 / 4075-81-4 / 557-27-7 / 327-62-8 / 137-40-6 | 2 % (acid) | Reglamento (CE) n.º 1223/2009 |
| 3 | SALICYLIC ACID, CALCIUM SALICYLATE, MAGNESIUM SALICYLATE, MEA- SALICYLATE, SODIUM SALICYLATE, POTASSIUM SALICYLATE, TEA- SALICYLATE Salicylic acid and its salts | 69-72-7[1]/ 824-35-1[2]/ 18917-89-0[3]/ 59866-70-5[4]/ 54-21-7[5]/ 578-36-9[6]/ 2174-16-5[7] | Salicylic acid: 0,5 % (acid) Salicylic acid salts: 0,5 % (acid) | Reglamento (UE) 2019/1966 |
| 4 | SORBIC ACID / CALCIUM SORBATE / SODIUM SORBATE / POTASSIUM SORBATE Hexa-2,4-dienoic acid and its salts | 110-44-1 / 7492-55-9 / 7757-81-5 / 24634-61-5 | 0,6 % (acid) | Reglamento (CE) n.º 1223/2009 |
| 7 | o-Phenylphenol, Sodium o-Phenylphenate Biphenyl-2-ol; 2-phenylphenol; 2-hydroxybiphenyl, Sodium 2-biphenylate | 90-43-7, 132-27-4 | (a) Rinse-off products (b) Leave-on products (a) 0,2 % (as phenol (b) 0,15 % (as phenol) | Reglamento (UE) 2026/78 |
| 9 | SODIUM SULFITE / AMMONIUM BISULFITE / AMMONIUM SULFITE / POTASSIUM SULFITE / POTASSIUM hydrogen SULFITE / SODIUM BISULFITE / SODIUM METABISULFITE / POTASSIUM METABISULFITE Inorganic sulphites and hydrogensulphites (5) | 7757-83-7 / 10192-30-0 / 10196-04-0 / 10117-38-1 / 7773-03-7 / 7631-90-5 / 7681-57-4 / 16731-55-8 | 0,2 % (as free SO2) | Reglamento (CE) n.º 1223/2009 |
| 11 | CHLOROBUTANOL Chlorobutanol | 57-15-8 | 0,5 % | Reglamento (CE) n.º 1223/2009 |
| 12 a | BUTYLPARABEN/PROPYLPARABEN/SODIUM PROPOYLPARABEN/SODIUM BUTYLPARABEN/POTASSIUM BUTYLPARABEN/POTASSIUM PROPYLPARABEN Butyl 4-hydroxybenzoate and its salts Propyl 4-hydroxybenzoate and its salts | 94-26-8/ 94-13-3/ 35285-69-9/ 36457-20-2/ 38566-94-8/ 84930-16-5 | - 0,14 % (as acid) for the sum of the individual concentrations - 0,8 % (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14 % | Reglamento (UE) n.º 1004/2014 |
| 12 | 4-HYDROXYBENZOIC ACID / METHYLPARABEN /POTASSIUM ETHYLPARABEN /POTASSIUM PARABEN /SODIUM METHYLPARABEN /SODIUM ETHYLPARABEN /ETHYLPARABEN /SODIUM PARABEN / POTASSIUM METHYLPARABEN / CALCIUM PARABEN 4-Hydroxybenzoic acid and its Methyl- and Ethyl-esters, and their salts | 99-96-7 /99-76-3 /36457-19-9 /16782-08-4 /5026-62-0 /35285-68-8 /120-47-8 /114-63-6 /26112-07-2 /69959-44-0 | 0,4 % (as acid) for single ester 0,8 % (as acid) for mixtures of esters | Reglamento (UE) n.º 1004/2014 |
| 13 | Dehydroacetic acid / SODIUM DEHYDROACETATE 3-Acetyl-6-methylpyran-2,4(3H)-dione and its salts | 520-45-6 / 4418-26-2 / 16807-48-0 | 0,6 % (as acid) | Reglamento (CE) n.º 1223/2009 |
| 14 | FORMIC ACID / SODIUM FORMATE Formic acid and its sodium salt | 64-18-6 / 141-53-7 | 0,5 % (as acid) | Reglamento (CE) n.º 1223/2009 |
| 15 | Dibromohexamidine isethionate 3,3'-Dibromo-4,4'-hexamethylenedioxydibenzamidine and its salts (including isethionate) | 93856-83-8 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 16 | THIMEROSAL Thiomersal | 54-64-8 | Eye products 0,007 % (of Hg) If mixed with other mercurial compounds authorized by this Regulation, the maximum concentration of Hg remains fixed at 0,007 % | Reglamento (CE) n.º 1223/2009 |
| 17 | PHENYL MERCURIC ACETATE / PHENYL MERCURIC BENZOATE Phenylmercuric salts (including borate) | 62-38-4 / 94-43-9 | Eye products 0,007 % (of Hg) If mixed with other mercurial compounds authorized by this Directive, the maximum concentration of Hg remains fixed at 0,007 % | Reglamento (CE) n.º 1223/2009 |
| 18 | UNDECYLENIC ACID / POTASSIUM UNDECYLENATE / SODIUM UNDECYLENATE / CALCIUM UNDECYLENATE / MEA-UNDECYLENATE / TEA-UNDECYLENATE Undec-10-enoic acid and its salts | 112-38-9 / 6159-41-7 / 3398-33-2 / 1322-14-1 / 84471-25-0 / 56532-40-2 | 0,2 % (as acid) | Reglamento (CE) n.º 1223/2009 |
| 19 | Hexetidine 5-Pyrimidinamine, 1,3-bis(2-ethylhexyl)hexahydro-5-methyl- | 141-94-6 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 20 | 5-BROMO-5-NITRO-1,3-DIOXANE 5-Bromo-5-nitro-1,3-dioxane | 30007-47-7 | Rinse-off products 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 21 | 2-BROMO-2-NITROPROPANE-1,3-DIOL Bronopol | 52-51-7 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 22 | DICHLOROBENZYL ALCOHOL 2,4-Dichlorobenzyl alcohol | 1777-82-8 | 0,15 % | Reglamento (CE) n.º 1223/2009 |
| 23 | Triclocarban 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea | 101-20-2 | All cosmetic products, with the exception of mouthwash. 0,2 % | Reglamento (UE) 2024/996 |
| 24 | P-CHLORO-M-CRESOL Chlorocresol | 59-50-7 | Not to be used in products applied on mucous membranes 0,2 % | Reglamento (CE) n.º 1223/2009 |
| 25 | Triclosan 5-Chloro-2-(2,4-dichlorophenoxy)phenol | 3380-34-5 | Toothpastes; Hand soaps; Body soaps/Shower gels; Deodorants (non-spray); Face powders and blemish concealers; Nail products for cleaning the fingernails and toenails before the application of artificial nail systems; 0,3 % | Reglamento (UE) 2024/996 |
| 26 | CHLOROXYLENOL Chloroxylenol | 88-04-0 / 1321-23-9 | 0,5 % | Reglamento (CE) n.º 1223/2009 |
| 27 | IMIDAZOLIDINYL UREA N,N''-Methylenebis[N'-[3-(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]urea] | 39236-46-9 | 0,6 % | Reglamento (CE) n.º 1223/2009 |
| 28 | POLYAMINOPROPYL BIGUANIDE Polyhexamethylene biguanide hydrochloride | 32289-58-0 [1]/ 27083-27-8 [2]/ 28757-47-3 [3]/ 133029-32-0 [4] | 0,1 % | Reglamento (UE) 2019/831 |
| 29 | PHENOXYETHANOL 2-Phenoxyethanol | 122-99-6 | 1,0 % | Reglamento (CE) n.º 1223/2009 |
| 30 | METHENAMINE Methenamine | 100-97-0 | 0,15 % | Reglamento (CE) n.º 1223/2009 |
| 32 | CLIMBAZOLE 1-(4-Chlorophenoxy)-1-(imidazol-1-yl)-3,3-dimethylbutan-2-one | 38083-17-9 | (a) Hair lotions (b) Face creams (c) Foot care products (d) Rinse-off shampoo (a) 0,2 % (b) 0,2 % (c) 0,2 % (d) 0,5 % | Reglamento (UE) 2019/698 |
| 33 | DMDM HYDANTOIN 1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione | 6440-58-0 | 0,6 % | Reglamento (CE) n.º 1223/2009 |
| 34 | BENZYL ALCOHOL Benzyl alcohol (7) | 100-51-6 | 1,0 % | Reglamento (UE) n.º 344/2013 |
| 35 | 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon, piroctone olamine 1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon and its monoethanolamine salt | 50650-76-5 / 68890-66-4 | a) Rinse-off products b) Other products a) 1,0 % b) 0,5 % | Reglamento (CE) n.º 1223/2009 |
| 37 | BROMOCHLOROPHENE 2,2'-Methylenebis(6-bromo-4-chlorophenol) | 15435-29-7 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 38 | O-CYMEN-5-OL 4-Isopropyl-m-cresol | 3228-02-2 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 39 | METHYLCHLOROISOTHIAZOLINONE AND METHYLISOTHIAZOLINONE Mixture of 5-Chloro-2-methyl-isothiazol-3(2H)-one and 2-Methylisothiazol-3(2H)-one with magnesium chloride and magnesium nitrate | 26172-55-4, 2682-20-4, 55965-84-9 | Rinse-off 0,0015 % (of a mixture in the ratio 3:1 of 5-Chloro-2-methyl-isothiazol-3(2H)-one and 2-Methylisothiazol-3(2H)-one | Reglamento (UE) n.º 1003/2014 |
| 42 | CHLORHEXIDINE / CHLORHEXIDINE DIACETATE / CHLORHEXIDINE DIGLUCONATE / CHLORHEXIDINE DIHYDROCHLORIDE N,N'-bis(4-chlorophenyl)-3,12-diimino-2,4,11,13-tetraazatetradecanediamidine and its digluconate, diacetate and dihydrochloride | 55-56-1 / 56-95-1 / 18472-51-0 / 3697-42-5 | 0,3 % (as chlorhexidine) | Reglamento (CE) n.º 1223/2009 |
| 43 | PHENOXYISOPROPANOL 1-Phenoxypropan-2-ol (8) | 770-35-4 | Only for rinse-off products 1,0 % | Reglamento (CE) n.º 1223/2009 |
| 44 | BEHENTRIMONIUM CHLORIDE (1) / CETRIMONIUM BROMIDE / CETRIMONIUM CHLORIDE (2)/ LAURTRIMONIUM BROMIDE / LAURTRIMONIUM CHLORIDE / STEARTRIMONIUM BROMIDE / STEARTRIMONIUM CHLORIDE (2) Alkyl (C12-C22) trimethyl ammonium bromide and chloride | 17301-53-0 / 57-09-0 / 112-02-7 / 1119-94-4 / 112-00-5 / 1120-02-1 / 112-03-8 | 0,1 % | Reglamento (UE) n.º 866/2014 |
| 45 | DIMETHYL OXAZOLIDINE 4,4-Dimethyl-1,3-oxazolidine | 51200-87-4 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 46 | DIAZOLIDINYL UREA N-(Hydroxymethyl)-N-(dihydroxymethyl-1,3-dioxo-2,5-imidazolidinyl-4)-N'-(hydroxymethyl)urea | 78491-02-8 | 0,5 % | Reglamento (CE) n.º 1223/2009 |
| 47 | HEXAMIDINE / HEXAMIDINE DIISETHIONATE / HEXAMIDINE DIPARABEN / HEXAMIDINE PARABEN Benzenecarboximidamide, 4,4'-(1,6-hexanediylbis(oxy))bis-, and its salts (including isothionate and p-hydroxybenzoate) | 3811-75-4 / 659-40-5 / 93841-83-9 / - | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 48 | GLUTARAL Glutaraldehyde (Pentane-1,5-dial) | 111-30-8 | 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 49 | 7-ETHYLBICYCLOOXAZOLIDINE 5-Ethyl-3,7-dioxa-1-azabicyclo[3.3.0] octane | 7747-35-5 | 0,3 % | Reglamento (CE) n.º 1223/2009 |
| 50 | chlorphenesin 3-(p-Chlorophenoxy)-propane-1,2-diol | 104-29-0 | 0,3 % | Reglamento (CE) n.º 1223/2009 |
| 51 | SODIUM HYDROXYMETHYLGLYCINATE Sodium hydroxymethylamino acetate | 70161-44-3 | 0,5 % | Reglamento (UE) 2021/1902 |
| 52 | SILVER CHLORIDE Silver chloride deposited on titanium dioxide | 7783-90-6 | 0,004 % (as AgCl) | Reglamento (CE) n.º 1223/2009 |
| 53 | Benzethonium Chloride Benzenemethanaminium, N,N-dimethyl-N-[2-[2-[4-(1,1,3,3,-tetramethylbutyl)phenoxy]ethoxy]ethyl]-, chloride | 121-54-0 | a) Rinse-off products b) Leave-on products other than oral products 0,1 % | Reglamento (CE) n.º 1223/2009 |
| 54 | BENZALKONIUM CHLORIDE / BENZALKONIUM BROMIDE / BENZALKONIUM SACCHARINATE Benzalkonium chloride, bromide and saccharinate (10) | 8001-54-5/ 63449-41-2 / 91080-29-4 / 68989-01-5 / 68424-85-1 / 68391-01-5 / 61789-71-7 / 85409-22-9 | 0,1 % (as benzalkonium chloride) | Reglamento (CE) n.º 1223/2009 |
| 55 | BENZYLHEMIFORMAL Methanol, (phenylmethoxy)- | 14548-60-8 | Rinse-off products 0,15 % | Reglamento (CE) n.º 1223/2009 |
| 56 | IODOPROPYNYL BUTYLCARBAMATE 3-Iodo-2-propynylbutylcarbamate | 55406-53-6 | a) Rinse-off products b) Leave-on products c) Deodorants/antiperspirants a) 0,02 % b) 0,01 % c) 0,0075 % | Reglamento (CE) n.º 1223/2009 |
| 57 | METHYLISOTHIAZOLINONE 2-Methyl-2H-isothiazol-3-one | 2682-20-4 | 0,0015 % Rinse-off products | Reglamento (UE) 2017/1224 |
| 58 | Ethyl-N-alpha-dodecanoyl-L-arginate hydrochloride | 60372-77-2 | (a) Mouthwashes (b) Other products (a) 0,15 % (b) 0,4 % | Reglamento (UE) 2016/1121 |
| 59 | CITRIC ACID (AND) SILVER CITRATE 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monohydrate and 1,2,3-Propanetricarboxylic acid, 2-hydroxy-silver(1+) salt, monohydrate | 5949-29-1; 77-92-9; 36701-38-9 | 0,2 % corresponding to 0,0024 % of silver | Reglamento (UE) n.º 866/2014 |
| 60 | HYDROXYETHOXYPHENYL BUTANONE, HEPB 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one | 569646-79-3 | Allowed for use as a preservative in rinse off, oral care and leave-on cosmetic products at a maximum concentration of 0,7 % in ready for use preparation. 0,7 % | Reglamento (UE) 2019/1858 |
| 61 | Ammonium Silver Zinc Aluminium Silicate Silver zinc zeolite | 130328-20-0 | (a) Deodorant spray (b) Powder foundation (a) and (b) 1 % | Reglamento (UE) 2026/909 |
CosIng, la base de ingredientes cosméticos de la Comisión Europea, es informativa y carece de valor jurídico: solo hace fe el texto del reglamento publicado en el Diario Oficial. Un mismo número de entrada puede agrupar varias sustancias. «(INN)» indica una denominación común internacional, el nombre genérico de una sustancia medicinal; el número CAS es el identificador internacional de una sustancia química.