The pre-treatment smoothes hair structure and porosity differences before chemical perming. Smoothes hair structure before chemical processing. Recommended for use on treated and bleached hair. Unscented and vegan. Developed and produced in Finland. An effective pre-treatment helps protect hair during chemical processing. The primer makes curling easier, prevents uneven curls and supports the even effect of the curling agent. Its restorative and moisturizing active ingredients strengthen hair, improve hair manageability and help maintain an even moisture balance throughout the perming process.