This unique deep cleansing shampoo has been specially formulated to maximize a clean and nutrient rich environment for healthy hair growth. The shampoo effectively removes build up of sweat, oils, and dirt etc as well as neutralizing the DHT(dihydrotestosterone) on the surface of the scalp. DHT is the most common cause of hair loss. The shampoo has been developed and tested to work in harmony with the Nisim™ NewHair Biofactors Hair Stimulating Extract. Use this shampoo as your first step in the advanced NewHair Biofactors system, available for both normal to oily hair and normal to dry hair. Nisim™ Shampoos are Guaranteed to reduce excessive hair loss for men or women within one week. Nisim™ Shampoos can be used as a stand alone product. Proper use of shampoo alone can help you maintain your existing hair. It is very important that you wash your hair daily, and that you wash rinse and repeat. This product will last approximately 4-6 weeks.