causes of some hair loss in women
1 Androgenetic hair loss is seen in both men and women but is more dramatic in men. 2  Thyroid disease, anemia, protein deficiency, chemotherapy, and low vitamin levels may cause hair loss.  Alopecia areata is a form of hair loss produced by the autoimmune destruction of hair follicles in localized areas of skin.
Skin conditions that lead to hair loss include seborrheic dermatitis (dandruff), psoriasis, and fungal infections such as ringworm. The symptoms: Seborrheic dermatitis causes the scalp to shed its skin, so you'll notice greasy, yellowish scales on your shoulders or in your hair. It may be the result of yeast called Malassezia, hormonal changes, or excess oil in the skin.