Aqueous cosmetic composition in flexible solid form, comprising: - (i) one or more anionic surfactants comprising a sulfonate group, in a total amount of from 10% to 70% by weight relative to the total weight of the composition, wherein the one or more anionic surfactants comprising a sulfonate group are chosen, alone or as a mixture, from C 6 -C 24 alkylsulfosuccinates, C 6 -C 24 alkyl ether sulfosuccinates, (C 6 -C 24)acyl isethionates; in particular in the form of alkali metal or alkaline-earth metal, ammonium or amino alcohol salts; - (ii) one or more esters of fatty acid(s) comprising at least 12 carbon atoms, in an amount ranging from 0.1% to 15% by weight, relative to the total weight of the composition, wherein the one or more esters of fatty acid(s) comprising at least 12 carbon atoms are chosen from: - (mono)esters of linear or branched, saturated carboxylic acids comprising at least 12 carbon atoms, and of linear or branched, saturated fatty monoalcohols comprising at least 10 carbon atoms; - (di)esters of linear or branched, saturated carboxylic acids comprising at least 12 carbon atoms, and of linear or branched diols comprising at least 2 carbon atoms; - (iii) one or more fatty alcohols comprising at least 16 carbon atoms, in an amount ranging from 0.1% to 15% by weight, relative to the total weight of the composition, wherein the one or more fatty alcohols comprising at least 16 carbon atoms are chosen from fatty alcohols comprising at least 16 carbon atoms and solid at ambient temperature and atmospheric pressure (25°C, 1 atm); in which the (ii)/(iii) weight ratio between the esters of fatty acid(s) comprising at least 12 carbon atoms (ii) and the fatty alcohols comprising at least 16 carbon atoms (iii) is between 0.5 and 5; the composition comprising from 5% to 80% by weight of water, relative to the total weight of the composition. - (i) one or more anionic surfactants comprising a sulfonate group, in a total amount of from 10% to 70% by weight relative to the total weight of the composition, wherein the one or more anionic surfactants comprising a sulfonate group are chosen, alone or as a mixture, from C 6 -C 24 alkylsulfosuccinates, C 6 -C 24 alkyl ether sulfosuccinates, (C 6 -C 24)acyl isethionates; in particular in the form of alkali metal or alkaline-earth metal, ammonium or amino alcohol salts; - (ii) one or more esters of fatty acid(s) comprising at least 12 carbon atoms, in an amount ranging from 0.1% to 15% by weight, relative to the total weight of the composition, - (mono)esters of linear or branched, saturated carboxylic acids comprising at least 12 carbon atoms, and of linear or branched, saturated fatty monoalcohols comprising at least 10 carbon atoms; - (di)esters of linear or branched, saturated carboxylic acids comprising at least 12 carbon atoms, and of linear or branched diols comprising at least 2 carbon atoms; - (iii) one or more fatty alcohols comprising at least 16 carbon atoms, in an amount ranging from 0.1% to 15% by weight, relative to the total weight of the composition, wherein the one or more fatty alcohols comprising at least 16 carbon atoms are chosen from fatty alcohols comprising at least 16 carbon atoms and solid at ambient temperature and atmospheric pressure (25°C, 1 atm); in which the (ii)/(iii) weight ratio between the esters of fatty acid(s) comprising at least 12 carbon atoms (ii) and the fatty alcohols comprising at least 16 carbon atoms (iii) is between 0.5 and 5; the composition comprising from 5% to 80% by weight of water, relative to the total weight of the composition.