NouriTress Hair Follicle Therapy is a leave-in therapeutic treatment designed to help improve scalp health and promote a healthy environment for continued hair growth. Hair Follicle Therapy is formulated with essential nutrients to boost hair regrowth, strengthen hair roots, improve scalp circulation, promote follicle stimulation, reduce scalp inflammation and assist with new hair growth. NouriTress Perfect Hair Follicle Therapy also helps remove excess oils and sebum buildup that can clog the hair follicle which can cause hair loss. Great for use in the crown area and around the hairline edges. Safe on color treated hair.