The SilkLift Light Dimensions Cream Developer by Goldwell is a professional cream oxidant formulated to activate lightening products while protecting the hair fiber. Available in 3% (10 Vol), 6% (20 Vol), and 9% (30 Vol) concentrations Contains a silk protein complex (SilkproteinComplex) and IntraLipid to nourish hair during lightening Ultra-creamy texture ensures easy mixing and even results HOW TO USE Use this cream developer with Goldwell lightening products for effective lightening while caring for the hair fiber. Follow specific dosage and timing instructions provided with the associated products.