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Since September is Menopause Awareness Month, it is a good time to take a look at menopausal hair loss, to help women understand the causes of their hair loss as well as learn what they can do to treat it.
Causes of Hair Loss in Men. The Mechanism of Male Hair Loss: DHT. DHT causes âminiaturizationâ of hair follicles. Hereditary hair loss in men (androgenetic alopecia) is caused by the action of the hormone dihydrotestosterone (DHT) on genetically susceptible scalp hair follicles. Normally, hair follicles cycle through a growth stage (anagen), which lasts 2-6 years, and a resting stage (telogen), which lasts approximately 1â4 months.