Abstract: The present invention relates to a preserving agent for a cosmetic composition, comprising 4-(3-ethoxy-4-hydroxyphenyl)-2-butanone and a second compound chosen from salicylic acid, the compounds of formula (II), salts thereof, esters thereof with an alcohol containing from 1 to 4 carbon atoms, and a mixture of these compounds. The present invention also relates to the use of the preserving agent for preserving cosmetic compositions. The present invention also relates to a cosmetic composition comprising the above preserving agent. Finally, the present invention relates to the use of the cosmetic composition for treating keratin fibres, preferably human keratin fibres such as the hair.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxy-phenyl)butan-2-one and a diol compound chosen from 1,3-propanediol, 1,2-octane-diol and 1,2-decanediol, and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an organic acid compound chosen from a benzoic acid salt, sorbic acid or a salt thereof, methyl 4-hydroxybenzoate, propyl 4-hydroxybenzoate, 5-n-octanoylsalicylic acid, a hydroxamic acid and dehydroacetic acid or a salt thereof, and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an acid and/or silver-based compound, and also to a cosmetic, pharmaceutical or nutritional composition containing such a mixture. Application to caring for, making up and cleansing keratin materials; to preserving foods and to water treatment.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an alcohol compound chosen from hydroxyacetophenone, 5-chloro-2-(2,4-dichlorophenoxy)phenol, sorbitan caprylate, the combination of 80% to 90% by weight, relative to the total weight of said combination, of xylityl sesquicaprylate and from 10% to 20% by weight of anhydroxylitol, 4-chloro-3,5-dimethylphenol, and glyceryl caprylate, and also to a cosmetic, pharmaceutical or nutritional composition containing such a mixture. Application to caring for, making up and cleansing keratin materials; to preserving foods and to water treatment.

Abstract: The present invention concerns an antimicrobial mixture of i) 4-(3-ethoxy-4-hydroxyphenyl) butan-2-one and ii) 4-hydroxyacetophenone and their base salts, their solvates such as hydrates, and a cosmetic, pharmaceutical or food composition containing i) and ii). It is applicable to the care, make-up and cleansing of keratinous materials; to food preservation and to water treatment.

Abstract: The present invention relates to a preserving agent for a cosmetic composition, comprising 4-OH (3-ethoxy-4-hydroxyphenyl)-2-butanone and a second compound chosen from salicylic acid, the compounds of formula (II), salts thereof, esters thereof with an alcohol containing from 1 to 4 carbon atoms, and a mixture of these compounds. The present invention also relates to the use of the preserving agent for preserving cosmetic compositions. The present invention also relates to a cosmetic composition comprising the above preserving agent. Finally, the present invention relates to the use of the cosmetic composition for treating keratin fibres, preferably human keratin fibres such as the hair.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxy-phenyl)butan-2-one and a diol compound chosen from 1,3-propanediol, 1,2-octane-diol and 1,2-decanediol, and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxy-phenyl)butan-2-one and an organic acid compound chosen from a benzoic acid salt, sorbic acid or a salt thereof, methyl 4-hydroxybenzoate, propyl 4-hydroxybenzoate, 5-n-octanoylsalicylic acid, a hydroxamic acid and dehydroacetic acid or a salt thereof, and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxy-phenyl)butan-2-one and an additional compound chosen from chlorhexidine digluconate, chlorhexidine hydrochloride and a polyhexamethylene biguanide salt, and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an aromatic alcohol chosen from a phenoxyalcohol of formula (I) C6H6-0-R—OH, R denoting a divalent hydrocarbon-based radical having 2 or 3 carbon atoms; phenylethyl alcohol; benzyl alcohol; and a cresol compound of formula (I) in which R1 denotes H or an isopropyl radical; and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an additional compound chosen from a monovalent or divalent metal salt of pyrithione, piroctone olamine, diazolidinylurea, a hexamidine compound, and imidazolidinylurea, and also to a cosmetic composition containing such a mixture. Application to caring for, making up and cleansing keratin materials.

Abstract: The invention relates to an antimicrobial mixture containing 4-(3-ethoxy-4-hydroxy-phenyl)butan-2-one and an additional compound chosen from chlorhexidine digluconate, chlorhexidine hydrochloride and a polyhexamethylene biguanide salt, and also to a cosmetic composition containing such a mixture. Use in caring for, making up and cleansing keratin materials.