Details Premium Crème Demi Permanente dedicated developer Bottle or bowl-and-brush application Creates more shine Clairol Premium Creme Demi Permanente Dedicated Developer was formulated for use with Premium Crème permanente demi formulas. Provides superior viscosity and create optimal bowl-and-brush application. Directions Mix 2 oz. Premium Crème Demi Permanente color with 2 oz. Premium Crème Demi Permanente Dedicated Developer. Process up to 30 minutes; or 45 minutes for optimum gray coverage (up to 50%). Strand test to determine timing. Pro Tips When a Mix Tones additive is part of the color formula, always increase the amount of dedicated developer used. Example: 1 oz. Premium Crème Demi Permanente color plus 1/4 oz. selected Mix Tones plus 1-1/4 oz. Premium Crème Demi Permanente Dedicated Developer. To match or deepen color, use 10-volume Premium Crème Developer. To cover more than 30% gray, use at least 20-volume. To lighten natural hair color Levels 4-10. Ingredients Water, Cetearly Alcohol, Hydrogen Peroxide, Ceteareth-25, Salicylic Acid, Disodium Phospate, Phosphoric Acid, Etidronic Acid