Procell hair growth treatments are formulated to nourish hair follicles back to a state of ideal health with select growth factor proteins that are naturally present in healthy, young hair follicles. this process allows for a normal hair growth cycle that leads to new hair growth and thicker, fuller-looking hair. Stem cells lining the hair follicles are crucial for production of hair, and the technology ingredients in this concentrated serum are selected to provide support so hair can grow.