PRORITUALS 40 Volume Developer is a multi-use cream developer for bleaching and toning. 12% Hydrogen Peroxide per volume.
Demi-permanent: Mix any shade of PRORITUALS Hair Color Cream with equal parts 40 Volume Developer. Let process for 45–50 minutes. Lightens 4+ tones.
Semi-permanent: Mix any shade of PRORITUALS Hair Color Cream with equal parts 40 Volume Developer and Hydrate Treatment. Let process for 45–50 minutes. Lightens 4+ tones.
Aqua (Water), Cetearyl Alcohol, Hydrogen Peroxide, Ceteareth-25, Paraffinum Liquidum (Mineral Oil), Laureth-3, Simethicone, Disodium EDTA, Oxyquinoline Sulfate, Etidronic Acid, Phosphoric Acid, Parfum (Fragrance)