Crazy Color Back to Base Remover allows quick and easy removal of semi-permanent colors. In 30 minutes or less, this formula prepares the hair for a new application of color.FEATURES Removes hair color in one step of 30 minutes or less Professional use only Single use package HOW TO USE In a non-metallic mixing bowl, mix the complete package of Crazy Color Back to Base Remover (45g) with 5, 10, or 20 volume developer, based on the hair condition Mix at a ratio of 1: 2 to a smooth paste is obtained Apply only to dry hair that has been pre-lightened and treated with direct dyes or semi-permanent hair color The process at room temperature, for up to 30 minutes, checking every 5 minutes until the desired result is achieved Remove paste immediately if the hair shows any signs of damage Thoroughly rinse product from the hair Wash hair as usual