The Cover your gray Pro Fill-In Fibers with Procapil in Medium Brown is an innovative hair product designed to instantly mask thinning areas and provide the appearance of fuller, thicker hair. This unique formula contains high-quality fibers that adhere seamlessly to your existing hair, creating a natural-looking finish. Enriched with Procapil, a patented ingredient that supports hair growth and helps prevent hair loss, these fibers not only cover thinning spots but also contribute to the overall health of your hair.