RT1640 Hair Loss Cure? RiverTown Therapeutics’ remarkable 14 weeks before and after patient result sparks extreme interests in our forum community. Could this experimental topical formula be the hair loss cure we are hoping for? The developer of this new product mentioned that one of the key ingredients has been tested in over 600 humans in FDA sanctioned clinical trials already. So how soon can we see this product on the market? Click RiverTown RT1640 Hair Loss Cure for our coverage.