How does minoxidil work in treating hair loss?
Minoxidil operates through a different mechanism than finasteride; it promotes vasodilation of scalp blood vessels and extends the anagen phase, although the exact mechanisms remain unclear. It is effective for about 60% of users but requires ongoing application to maintain its effects.
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This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
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