What is the process called when hair color is applied to the roots only?

When hair color is applied specifically to the roots, the process is referred to as root retouch. This technique is commonly used to cover gray hair or to maintain the vibrancy of a color that has faded at the roots while leaving the lengths and ends of the hair untouched.

The focus of the root retouch process is to refresh the hair’s appearance at the growth line without altering the rest of the previously colored hair. This is particularly important for clients who want to maintain a consistent hair color but minimize the appearance of regrowth.

In contrast, full color application typically involves coloring the entire head of hair, while single process coloring indicates a method where the same color is applied to all of the hair during one treatment. Balayage is a highlighting technique that creates a graduated, natural look but does not specifically target the roots. Thus, root retouch succinctly defines the specific application at the roots that is essential for maintaining color continuity and overall aesthetic.