The causes of excessive hair loss
Hormonal problems may cause hair loss
Autoimmune suppression - due to a reaction of the immune system which suppresses the growth stage of the hair follicle. Alopecia areata causes hair to fall in patches can also sometimes affect the whole body including facial hair like eyebrows and even pubic hair.
Stress - Many women notice hair loss about 3 months after they’ve had a baby.
Medical conditions - people who suffer from thyroid disease or iron deficiency can also experience hair loss as a result of the effect the diseases have on the body. Internal fungal infections such as syphillis can also cause hair loss.
Condition of the scalp - fungal infections of the scalp or hair root can lead to hair loss. So can psoriasis of the scalp. Certain infections can also cause hair loss.