DIActivateur 9-Volume developer is fully stabilized to ensure consistent, uniform color results. Its rich, creamy formula offers gentle, controlled lightening and coloring action. 
DIActivateur 9-Volume developer is ideal for color-treated and sensitized hair, for brighter color, for corrective/pre-color, for permed, straightened or relaxed hair, and to refresh and tone highlights.

Use with Dia Richesse and Dia Light.

Use with Dia Richesse & Dia Light Hair Color. 1:1.5 mixing ratio.