A single process refers to any color service that is done in one step. It can also be referred to as a base color or a root touch up. This is generally a permanent color that is applied to the roots to conceal gray hair. A single process application can also be used with demi-permanent hair color.
This service is to apply color to your roots only. Great for the guest who wants to cover up their gray or regrowth, or for someone looking to go darker.
you must book a blow-dry or haircut following a base color