The present disclosure relates to a hair treatment agent comprising at least one specific chelating agent, at least one diol and at least one triol. Moreover, the present disclosure relates to the use of the specific chelating agent to remove undesired multivalent metal ions from hair that has previously been treated with relaxing agents containing at least one multivalent metal ion. Furthermore, the present disclosure relates to a method for relaxing keratinic fibers wherein the inventive hair treatment agent is applied after relaxing the hair with a relaxing composition comprising a multivalent metal hydroxide. After the inventive hair treatment agent is applied, the hair is treated with an acidic cleansing composition. Finally, the present disclosure relates to a kit of parts, comprising a hair relaxing composition with a multivalent metal hydroxide, an inventive hair treatment composition and an acidic cleansing composition in separate containers.
