Rogaine is celebrating its 35th anniversary for National Hair Loss Awareness Month.    For 35 years, Rogaine has been helping millions of people to regrow their hair.   In 1988, Rogaine 2% Minoxidil Solution for Men debuted as a prescription-only solution to hair loss. In 1992, the female version, Rogaine 2% Minoxidil Solution for Women, launched. By 1996, both brands became more widely accessible, available over the counter at drugstores. In 2006, Johnson & Johnson acquired...