The most common cause of hair loss in men and women is androgenetic alopecia. This condition is inherited and tends to cluster in families. Sensitivity to the effects of male hormones (androgens) on the scalp and hair follicles causes thinning of the hair in women, the same way that it does with men, although women will rarely develop a receding hairline.
Androgenetic alopecia is more common in men than women and can start as early as teen years. Female pattern baldness differs to male pattern baldness, as women’s hair generally thins rather than falling out