Going to have to say there may be some slight evidence of hair loss. There is no noticeable hair loss. Also, I have discovered most doctors don't know much about hair loss, even so called experts, especially when it comes to people in their late teens and early twenties. However, being a young hair loss victim myself (NW2 at 17, now Norwood 6 at 25)I recognize some of the signs of early hair loss. YOU MAY have some of these signs, then again you may not, hard to tell from pics alone.
At this point it is too early to tell, but, I will give you advice. Take pictures every month, or every 2 weeks if you want and keep a diary. When I say diary I mean a well organized photo diary with notes. After about 6 months throughly review your pictures and your progress. If nothing, continue photo diary. Revaluate every 3-6 months. If at some point there is definite photographic evidence of male pattern baldness, then go back to your Dermatologist and show him/her your evidence. Say you want to be on propecia to stop further loss, as the sooner you get on med's the better future prognosis is. Although, propecia did nothing for me.... not to be a bummer or anything.
Also, do not quit nizoral or minoxidil. I would also get on some internal stuff. In all retrospect I recommend follicare system at follicare.com. I used their system for 3 years during my early years (19-22) and had some success(improved hair quality and perhaps some thickening). It was only after 6 months of quitting it did I start seeing serious shedding. I may actually return to using it however at this point Im kinda fucked as a 25 Norwood 6(solid NW4 diffuse NW6). Anyway, in the set you get minoxidil, a topical spray which probably does nothing(except for maybe the caffeine in it), a really good shampoo that smells great, and a really good internal supplement that has saw pal, nettle root, pumpkin seed etc. Its is the best pre fab system on the market today that for the price of about 300 a year. I know it sounds like I'm trying to sell it to you, but if you think about its cost for a years supply, thats about the same as a good herbal supplement and minoxidil per month in addition to the topical spray and the better than salon quality shampoo.
Wow, it does really sound like Im trying to sell it to you. I don't have much credit on here, but you can check hairlosshelp.com as I have posted there for 3 years now. Feel free to check out my posts too.
Either-way, no follicare or follicare, I still recommend the photo diary and the nizoral +minoxidil. Until you see some real documented evidence I would try to enjoy life and get some pussy while you still have a full head of hair. You need to try hard to get some *** now, when you lose more hair it becomes much harder (not impossible) to get quality ***. Add a bad hair transplant in to the picture and you'll be fucked like me!!! YEAHHH!!! NEVER EVER GET A HAIR TRANSPLANT, please promise me this. Us young hair loss suffers are plump and ripe for the raping of a scumbag who shows you a Medical degree.
Good luck. I hoped I helped some.