Keratin VitaPRO Hair Cleansing Formulation contains a suite of the key components that have been shown to block DHT from binding to the hair follicle. By incorporating this hair-cleansing product into your Keratin VitaPRO treatment program, you'll maximize the benefit of Keratin VitaPRO by attacking DHT. Research indicates that DHT is not only found within the hair follicle, but also at the base of the hair shaft. By using the Keratin VitaPRO Hair Cleansing Formulation, this harmful DHT can be removed before it has a chance to cause damage to your hair. This product must be used to wash out the KVP Scalp Exfoliator.