- The effect of androgens on the hair follicle, a state which is determined by the time of birth, hence it is inherited (harmful genes by one or both parents)
- Anxiety disorders and psychological factors
- Lack of iron and conditions of the thyroid gland
- Malnutrition
- Environmental causes
- Chronic illnesses
- Special medications
- Infections
- Bacteria or fungi (tinea capitis)
In the clinical picture of the patient, it is observed that the hairs fall faster than normal, while the new hairs grow ever thinner, or in the final stage in the form of fluff.
In the overwhelming majority, hair loss is located laterally on the forehead and at the top of the head, leaving, most of the time, the area above the neck, intact.