Cosmetic composition, in particular hair composition, comprising: (i) one or more cationic surfactants of formula (la): in which: - R5 and R6, which may be identical or different, represent a linear or branched, saturated or unsaturated aliphatic group comprising from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms, said aliphatic group possibly comprising one or more heteroatoms such as oxygen, nitrogen, sulfur and/or halogens; or an aromatic group such as an aryl or alkaryl group, in particular a benzyl group; - R7 and R8, which may be identical or different, represent a linear or branched aliphatic group comprising from 1 to 6 carbon atoms; - Y - is an anion; (ii) one or more cationic surfactants other than the cationic surfactants of formula (la), and (iii) an oil-in-water emulsion having a particle size D50 of less than 350 nm, and comprising: - a silicone mixture comprising (i) a polydialkylsiloxane comprising trialkylsilyl end groups, having a viscosity at 25°C ranging from 40 000 to 100 000 mPa.s and (ii) an aminosilicone having a viscosity at 25°C ranging from 1000 to 15 000 mPa.s and an amine number ranging from 2 to 10 mg of KOH per gram of aminosilicone; - a surfactant mixture comprising one or more non-ionic surfactants, said mixture having an HLB ranging from 10 to 16, and - water, wherein the particle size, the viscosity , the amine number and the HLB values are determined according to the methods specified in the description. (i) one or more cationic surfactants of formula (la): in which: - R5 and R6, which may be identical or different, represent a linear or branched, saturated or unsaturated aliphatic group comprising from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms, said aliphatic group possibly comprising one or more heteroatoms such as oxygen, nitrogen, sulfur and/or halogens; or an aromatic group such as an aryl or alkaryl group, in particular a benzyl group; - R7 and R8, which may be identical or different, represent a linear or branched aliphatic group comprising from 1 to 6 carbon atoms; - Y - is an anion; - R5 and R6, which may be identical or different, represent a linear or branched, saturated or unsaturated aliphatic group comprising from 8 to 30 carbon atoms, preferably from 12 to 24 carbon atoms, said aliphatic group possibly comprising one or more heteroatoms such as oxygen, nitrogen, sulfur and/or halogens; or an aromatic group such as an aryl or alkaryl group, in particular a benzyl group; - R7 and R8, which may be identical or different, represent a linear or branched aliphatic group comprising from 1 to 6 carbon atoms; - Y - is an anion; (ii) one or more cationic surfactants other than the cationic surfactants of formula (la), and (iii) an oil-in-water emulsion having a particle size D50 of less than 350 nm, and comprising: - a silicone mixture comprising (i) a polydialkylsiloxane comprising trialkylsilyl end groups, having a viscosity at 25°C ranging from 40 000 to 100 000 mPa.s and (ii) an aminosilicone having a viscosity at 25°C ranging from 1000 to 15 000 mPa.s and an amine number ranging from 2 to 10 mg of KOH per gram of aminosilicone; - a surfactant mixture comprising one or more non-ionic surfactants, said mixture having an HLB ranging from 10 to 16, and - water, - a silicone mixture comprising (i) a polydialkylsiloxane comprising trialkylsilyl end groups, having a viscosity at 25°C ranging from 40 000 to 100 000 mPa.s and (ii) an aminosilicone having a viscosity at 25°C ranging from 1000 to 15 000 mPa.s and an amine number ranging from 2 to 10 mg of KOH per gram of aminosilicone; - a surfactant mixture comprising one or more non-ionic surfactants, said mixture having an HLB ranging from 10 to 16, and - water, <EOS>