Hair cleaning agents and methods for improving the care properties of hair are provided. An exemplary hair cleaning agent contains anionic surfactant and a specific oil mixture. The oil mixture may include (i) at least one mono- and/or diester of glycerol and a saturated or unsaturated, branched or unbranched carboxylic acid having 18 to 30 carbon atoms, (ii) at least one vegetable oil, (iii) at least one cationic guar polymer, and (iv) at least one amidoamine of a selected formula.