Is Transplanted Hair Safe Against the Effects of DHT?

1/25/2009 2:39:10 PM


Have there been any long term studies done on whether or not DHT can have any effect on transplanted hair? All I have ever been told is that a hair transplant is "permanent". However permanent can mean 20 years correct? I would simply like to know if any transplanted hair loss can occur during the entire life of the patient caused by DHT or any other "natural" causes that are known?


Excellent question.

Generally speaking, hair on the sides and back of the head are much less vulnerable to DHT like hair on the top of your head. This is why men with androgenic alopecia may go completely bald on top but retain a thick head of hair elsewhere.

"Permanent" is a relatively safe word to use about transplanted hair. But with old age, even the hair on the sides and back of the head (donor hair) can thin somewhat. Whether or not the cause is DHT or just age induced isn't fully known to us however, thinning hair is still thinning hair. Thus, it's possible for transplanted hair to thin a little with age as well. The good news is, donor thinning hair is typically minimal and doesn't result in total hair loss unless there is some other contributing factor.

Of course, the above is contingent upon harvesting donor hair from the universal "safe zone", an area of hair a few centimeters below and above the nuchal bump / ridge that is highly secure against the effects of DHT.

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