Formulated with Brazilian Keratin, Deep Cleanses Without Damaging the Hair. Deep Cleansing Clarifying Shampoo. This step prepares the surface of the hair’s cuticle for the Pure Brazilian treatment. It removes all dirt, oil and product while opening the cuticle for the Solution to effectively deposit into the hair shaft. This step may be repeated until the cuticle is wide open. The hair will have a “rough”, bird’s nest feeling after this step is complete.