What are pros and cons of taking Biotin supplement daily?

Minoxidil often takes a full year to see the benefits so you must be patient and stay on the treatment until the year has passed

There are many causes of hair loss.  It is better to follow up with your doctor to find the cause for your hair loss, and get the proper treatment.  

You should be asking this question to your doctor. The management of psoriasis is a complex problem and should not be handled by an amateur.

 At the American Academy of Dermatology meeting, A presentation was made regarding injection of minoxidil to stimulate hair growth. The results were favorable. The purpose of injection is to bypass the metabolism in the skin using sulfatase. Only 40% of people metabolize minoxidil properly. ...

There are no required blood tests for Propecia. If you are over 35, you might consider getting a DHT level which probably will not change when you take the drug but it may reflects a lower testosterone which you can also measure. As men get older, testosterone levels do drop. I would not expect...

This may be the result of the way you clip your hair. Change the clippers and let the hair grow out a bit longer and probably you won't see these lines.