Regrow Step 1 - Cleanse & Prepare Shampoo For Men is the mild and gentle formula which contains three separate conditioning agents that stimulates the hair growth and can reverse the effect of hair loss. It does this by increasing blood circulation to the scalp and blocking DHT (Dihydrotestosterone) from shrinking your hair follicles. It also stops hair loss and adds volume. DHT is a hormone that our bodies produce which is a major factor in loss of hair. The shampoo is also produced to help with dandruff, psoriasis, seborrheic dermatitis and other skin conditions. By clearing away DHT and other scalp issues it allows to work their magic. This product is made with oxygenated rainwater to give your scalp the natural hydration it needs while assisting hair regrowth. Hair loss and scalp conditions can affect people of any age. Stress and dramatic health changes are often triggers. This shampoo is safe for colored or treated hair also safe on extensions and chemically straightened hair; hence there is no need to sacrifice your personal style.