My hair has been thinning since I was about 18. But it seems to have accelerated in the last year or so since i grew my hair long. (I am now 23) I decided to shave my head, and boy did that reaffirm my receding hairline. When it grew back it looked a little bit odd to me. My left side had no border; it has basically a 2 1/2 by 2 1/2 inch patch of thin hairs (with more density towards the top) with hugh gaps between them from my “peak” in front to the side areas. On my right side it is thinning but there is a border and it is a lot thicker and less receding. There is a major difference. How many years could have stress and growing it long accelereated my hair loss, if what I described is normal. Secondly, I used a straight razor to shave my head thinking that would stimulate hair growth, eventhough i was told about it scarring and or killing the follicles.
I do not believe using a straight razor will stimulate hair growth. If that is true, I would be in the hair shaving business!
You make an interesting observation of being able to see the pattern of hair loss with the short shaved head. What you are seeing is the miniaturized hair, which has less bulk than normal hair. This is fairly difficult to see in patients with average men’s hair lengths. That is why I often write about mapping your scalp for miniaturization with the densitometer that we routinely use at New Hair Institute. Alternatively, if you can not find a doctor able or willing to map your head for miniaturization, you can get a very short hair cut and see with the eye where the miniaturization is.