KERARGANIC’s ULTRA GOLD DETOX SHAMPOO – STEP 1 is a hair and scalp detox formulation designed to cleanse and remove residues and oils accumulated in the hair fibers and on the scalp as preparation for the application of KERARGANIC’s ULTRA GOLD STRAIGHTENING SOLUTION. Free from residues, the hair fibers can better receive and absorb the essential ingredients of the solution resulting in better and more effective results.