The present disclosure provides a two-component hair care agent including a first component and a second component. The first component and the second component are provided separately from one another. The first component or the second component has a color indicator showing a color change in a pH-value range of from about 3 to about 6, the first component has a pH value in a range of from about 2 to about 4and the second component has a pH value in a range of greater than about 4 to about 9. The present disclosure also provides a method for applying the two-component hair care agent and a method of using the two-component hair care agent.