Take a look at this photo. There is an area on the top that shows the normal density (click on the photo to enlarge) where hair was not removed hair by hair group as in the main donor area shows. It should be clear from this normal section of hair what a normal donor density looks like prior to an FUE being done.  Donor site density reduction occurs in every hair transplant regardless of the technique.  Depletion is used when the density reduction achieves a clinical state where there is less than adequate coverage for the donor area and as a result, one can either see-through it, or there is clearly less bulk present when the hair is grown out longer. I will discuss this below.

Donor site depletion is not necessarily a numbers issue. For example if one has 3500 FUE grafts removed from the donor area, is that number adequate to produce donor site depletion?  In some men with a coarse hair, 3500 removed FUE grafts may not cause visual loss of coverage for the donor area with hair that is 1-2cm long. Likewise, 3500 FUE grafts removed for someone with fine hair will find significant donor site depletion with hair that is 1-2cm long. For someone with an average hair weight, 3500 grafts may be a reasonable limit before one sees donor site depletion with hair that is 2cm long.

Some surgeons do strip surgeries which also deplete the donor area.  Assuming that there is no significant scar (less than 3mm wide) then the donor area stretches with removal of 3500 grafts.  Assuming that the area where the stretches is spread over the entire scalp, it impacts the scalp in the back of the head and that the stretch extends upward from the point where the strip was removed to all of the remaining untouched hair in the back of the head. If the person had a full Norwood Class 7 pattern of balding, the 3 inches of scalp remaining will have a reduction of density that is 84% of its original density or a 16% reduction in density.  The difference between the FUE surgery example and the strip surgery example would be in the uniformity of the donor site’s appearance. There would be no gaps in-between the follicular units in the strip scenario unlike the FUE scenario which clearly would have gaps rather than uniform stretching.

The two procedures are not really comparable because the surgeons often selectively remove the follicular units with more hair with FUE than the strip surgery (i.e. more 3-4 hair grafts).  So the person with 3500 FUE grafts harvested from the 3 inch high donor area most likely will lose more hair from the donor area than the person who had 3500 grafts from the strip surgery. It is the hair bulk that is left behind that determine if there is donor site depletion and this is an individual call for each patient who has had any hair transplant surgery. The patient in the picture could be donor site depleted with the standard of 1-2cm long hair or not. I personally would like to see his hair grown out to a length of 2cm and then make a value judgement.  Do you copy that?

At what point of hair loss did you either decide to do a treatment or throw in the towel to shave it off?

Both sides of my family have the bald gene and I started balding super early (like 15-ish) so I owned it at 17 and was on Team Shaved. No one seemed to care, had a girlfriend that liked it, and life went on. Fast forward 9 years and I’m now finishing up second bachelor’s degree and going into job interviews. Had an interviewer ask me about my experience and I told him about all the projects and internships that I was involved with. He followed up with, “well what did you do with the other years before going back to school?” Hinting that I look much older than 26. That was my “too bald moment.” So now I’ve been on fin/minox/keto/dermaroll and a biotin supplement for four months.

Balding is something you either accept or don’t. If you don’t accept it, a smart guy will find a good doctor who can build a Personalized Master Plan to follow the balding and if the goal is to keep the hair there, he will work that out with that doctor. Here is a man I started seeing over 2 decades ago, he was balding in the worst pattern of balding you can get, he wouldn’t accept that he had the money and the obsessive compulsive personality to make sure he kept his hair. His father was completely bald and I put a full head of hair on his dad, so he followed with me, had a hair transplant every few years as he was losing more hair and eventually stopped losing hair. Here are his photos after 11,000 grafts: https://baldingblog.com/norwood-class-7-pattern-patient-received-11000-grafts-plus-smp/

To get there you don’t have to be as wealthy as he is but it will still cost you a few dollars to do this. Be smart about your balding if you want to stop it from happening or get a hair transplant, otherwise, it is less expensive to accept it

This is an excellent response to finasteride and minoxidil in just 12 weeks. This man is clearly sensitive to the benefits of the medications. See the arrow which shows new growth starting up along the hairline.  Good job!

Question for you. I am 41 years old. Been on Finasteride for four months. From the tip of my hairline to about 3 inches back has miniaturized slightly. I have noticed that it no longer grows in length. Is this common? I have to buzz cut the rest of my head to match that front part every few weeks. What could be the reason for this? Why don’t those follicles grow anymore…it is like they have paused the growth cycle at the front?!

Great question. When hairs are going to die, sometimes they just stop growing or the growing slows down almost to a crawl.  These hairs will eventually fall out and contribute to patterned balding. Drugs like minoxidil (topically) or finasteride can reverse this process.

At 16 with a Norwood Class 3 pattern of balding evident, I would want to know more about your family history. Is there advanced balding in the family (father, brothers, grandfathers, uncles) and if so, how young were these relatives when the balding finalized their pattern?  Drugs like oral Minoxidil might work.  Even drugs like finasteride have been found safe for boys 14 and up, based upon a recent polling I did with about 60 experts in the field.  If you are fully grown, then finasteride ss  a reasonable option, but you need to have a conversation with a knowledgeable doctor and have your parents present during that conslutation.

I was starving myself for a year+ barely eating and it ruined my hair it’s a lot better then it was a few years ago but it never recovered fully

I have seen that particularly in those men with genetic balding, starvation pushes the Apoptosis of hair follicles.

This includes hospitalization and deaths. See this video!

https://doi.org/10.1371/journal.pone.0239799.s001