Professional Activator is a Developer, Ideal for All Needs. It is Made Using an Integrated System of Ingredients and Technologies That Give You the Perfect Color. It Favours the in-depth Spreadability and Adherency of Coloring Pigments for Rich, Long Lasting Shades. It Contains Natural Protective Substances Prevent Moisture Loss During Application Times. It Contains an Innovative Complex, Working With a Latest Generation Stabiliser, Protects the Scalp Without Affecting the Coloring Process. It is Available in 10, 20, 30 and 40 Volume