Mix with Color Fusion in a 1:1 proportion with 10,20,30 or 40vol. Pro-oxide cream developer for up to 4 levels of lightening. It can then be applied with a container and brush or bottle using a traditional or modern Virgin application.
Apply color generously using thin 1/4" diagonal separations. Check application. Process at room temperature for 35 to 45 minutes. Follow with Color Extending Shampoo and Conditioner.