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Androgenetic alopecia

Androgenetic hair loss
Androgenetic alopecia is an abnormal hair loss that is caused by both heredity and hormones. Indeed, androgenetic alopecia is due to a genetic predisposition of the scalp making it more sensitive to male hormones (or androgens), specifically DHT (or dihydrotestosterone). Among men who have problems with alopecia, 90% suffer of androgenetic alopecia. In fact, the lost hair are replaced by a fine layer of down, therefore people affected have the same number of hairs than others, but they are almost invisible to the naked eye.

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