Minoxidil, like Coverit, needs to be used regularly for at least 3 to 6 months to see noticeable improvement, and it is often continued long-term to maintain results. Using higher strengths, such as 10 per cent, should be done with caution, as it may cause more irritation and is not always needed. Since your hair loss is long-standing, results may be limited, and other options, such as oral medications or procedures, may be considered. It is best to consult a doctor to adjust treatment and choose the most suitable plan for you