Hello
When i was about 14-15 years old, my hair began to thin all over. It did not recede at all and i probably lost 40-50% of the thickness of my hair. I am now 33 and my hair, in the last 18 years, has never become thinner or thicker.
What do you think could have caused this, i am now in the armed forces and have regular medicals/bloodtests which show i am fit and healthy. It has always baffled me how my hair thinned and then just stopped, without ever recovering or getting worse.
Thanks
There is often a change in hair thickness as we pass teenage years. Most people recognize the bulk that they had when they were young, not the density. Hair usually gets finer to some degree as we age. The question to ask is: “Is the hair shaft thickness uniform all over the scalp?” If it is uniform, then you accept this new hair shaft thickness as the mature you and if you want to thicken it, you can use styling adjuncts for that purpose. If you have a diffuse alopecia like DUPA, then you should be examined and get your hair mapped out for miniaturization and it will show up on the video images.
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I haven’t used it, but I did a quick glance for reviews and they seem mainly positive (see reviews on 
Although I don’t have any information about the tattooers of the patient you mentioned, from what I’ve seen, tattoos on the scalp and scars have turned green over time. While it may not occur every time, this is a real problem for the two patients that come to mind. For that reason, I would hold off doing the scalp tattoo for the time being unless you are sure that the color will last and this is what you want, as today’s tattoos are not reversible (laser removal is quite painful and may take many sessions to get a decent result).