The concentration of finasteride in our topical formulation was chosen based on a series of clinical investigations. In the end, 2.5% finasteride in our topical gel struck a balance between safety and efficacy. It's important to understand that the strength of the ingredients in any topical formulation depends on both the amount of ingredient present and the characteristics of the gel base. Our gel was specifically designed to help reduce systemic absorption. This is why doctors are able to prescribe higher concentrations to help address the needs and concerns of their patients.