 This is a two-part trial assessing the effects of MENT on blood pressure. The first part of the trial is an open-label pilot study to verify the MENT gel formulation delivers appropriate drug levels. Upon confirming MENT serum levels are within the required range, clinical trial material will be produced and labeled. Consequently, the second part of the trial, the main study, will proceed approximately two months after the conclusion of the pilot study. The main study, is a randomized, double-blind, placebo-controlled study. 