A method of preparing a personal care composition, wherein the composition comprises: a cationic surfactant system comprising a mono-alkyl amine salt cationic surfactant and a di-alkyl cationic surfactant; a high melting point fatty compound having a melting point of 25°C or higher; and an aqueous carrier, wherein the mono-alkyl amine salt cationic surfactant is a salt of a tertiary amido amine having an alkyl group of from 12 to 22 carbon atoms; and an acid which is selected from the group consisting of L-glutamic acid, lactic acid, hydrochloric acid, malic acid, succinic acid, acetic acid, fumaric acid, tartaric acid, citric acid, L-glutamic hydrochloride, maleic acid, and mixtures thereof, at a molar ratio of the amine to the acid of from 1:0.3 to 1:2; wherein the di-alkyl cationic surfactant is a di-alkyl quaternized ammonium salt having the following formula (I): wherein two of R 71 , R 72 , R 73 and R 74 are selected from an alkyl group of from 12 to 30 carbon atoms; and the remainder of R 71 , R 72 , R 73 and R 74 are independently selected from CH 3 , C 2 H 5 , C 2 H 4 OH, CH 2 C 6 H 5 , and mixture thereof; and X - is a salt-forming anion selected from the group consisting of halides such as chloride and bromide, C 1 -C 4 alkyl sulfate such as methosulfate and ethosulfate, and mixtures thereof; wherein the method comprises the steps: preparing an oil phase comprising the surfactant and the high melting point fatty compound, wherein the temperature of the oil phase is higher than a melting point of the high melting point fatty compound; and preparing an aqueous phase comprising the aqueous carrier, wherein the temperature of the aqueous phase is below the melting point of the high melting point fatty compound; and mixing the oil phase and the aqueous phase to form an emulsion; wherein the mixing step comprises the following detailed steps: (3-1) feeding either of the oil phase or the aqueous phase into a high shear field having an energy density of 1.0x10 2 J/m 3 or more; (3-2) feeding the other phase directly to the field; and (3-3) forming an emulsion; wherein the mixing step is conducted by using a homogenizer having a rotating member; wherein the oil phase contains from 0 to 50% of the aqueous carrier by weight of the oil phase; wherein the composition further comprises a soluble salt; wherein the soluble salt has a solubility in water at 25°C of 0.5g/100g water or more; and wherein the weight ratio of the soluble salt to the acid for the mono-alkyl amine salt cationic surfactant is from 1:0.5 to 1:10. preparing an oil phase comprising the surfactant and the high melting point fatty compound, wherein the temperature of the oil phase is higher than a melting point of the high melting point fatty compound; and preparing an aqueous phase comprising the aqueous carrier, wherein the temperature of the aqueous phase is below the melting point of the high melting point fatty compound; and mixing the oil phase and the aqueous phase to form an emulsion; (3-1) feeding either of the oil phase or the aqueous phase into a high shear field having an energy density of 1.0x10 2 J/m 3 or more; (3-2) feeding the other phase directly to the field; and (3-3) forming an emulsion; <EOS>