Does ProVia Really Work?. . votes ProVia is a hair loss product that claims to be able to help you keep your current hair, and even bring some of it back. It s using Procapil instead of the popular The cost of ProVia is $ for a three month supply with shipping included. They say that this is off the actual .ProVia is a solution said to contain Procapil, which they claim is clinically proven to reduce DHT that causes hair loss but we took a CLOSE look and FOUND OUT.