Dr Miracle's 2-in-1 Tingling Shampoo and Conditioner is perfect for stubborn scalp problems and the way to end dry, lifeless hair. Dr Miracle's 2-in-1 Tingling Shampoo and Conditioner contains a Thermalceutical formula that stimulates the blood flow to the hair follicle promoting the growth of strong, healthy hair. This tingling formula also strengthens weak or damaged hair and ensures that hair grows in stronger and healthier. The "Feel it" formula's tingling sensation supports strong growing hair and a healthy scalp. Directions: Wet hair. Use a generous portion of my shampoo in your hands and place on hair and scalp. Massage gently into the scalp and hair and wait about 1 minute before rinsing out. Make sure hair is rinsed very well and then style as usual.