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Hair loss during the aging process
What causes it and what helps?
The presence of the necessary genes and hormones alone does not cause any loss of hair. Even if someone has reached puberty, susceptible hair roots must be continuously exposed to the hormones over a period of time so that increased hair loss does not arise. No age can be determined for this purpose, but it varies from one person to another and depends on the genetic expression and the testosterone level in the bloodstream.
Hair loss does not happen all at once or continuously, but cyclically. People who lose hair experience that there are alternating periods of slow and rapid hair loss, as well as periods of stability. Many of those factors which increase or reduce the loss are still unknown today, but are being intensively investigated.
Apart from the genetic predisposition, the aging process to can cause hair loss. The length and density of the hairs in the follicular units decreases. Each group of hair roots can then include robust hair as well as miniaturised hair (similar to body hair) – individual areas or the entire head of hair then appear balder. Sometimes the miniaturised hairs are lost and the number of follicular units is reduced. With all adult patients, the entire head is subjected to this aging process, so that the donor area (extraction area on the back of the head) can also slowly become thinner. Fortunately, the donor area generally contains enough permanent hairs so that hair transplantation constitutes a very good treatment – even for patients who are already in their seventies.