What does it when when one start experiencing pulse in the implanted areas on a Hair transplant?

Hair direction is determine by the surgeon at the time of the hair transplant. If there appears to be a change in the new hair, then it is the result nof the hair character. The direction will remain as the surgeon made it

It shouldn't be an issue, just be careful about wearing a tight woolen hats- make sure if you wear them, put them on and take them off carefully. The weather itself shouldn't affect your grafts.

In general you should follow your doctor's diagnosis if you trust them. Procapil isn't proven to aid hair like Minoxidil is, but it certainly won't hurt and there shouldn't be any problems with it, especially if Minoxidil is giving you problems. 

With this degree of hair loss, it's unlikely minoxidil or finasteride will have much effect. Hair loss in men is driven by genetics. A hair transplant might provide some density in the very front depending on the donor area. A multivitamin will not provide much benefit for your hair - if any at all.

         Wait the full year and then return to the surgeon to re-evaluate your results.   In the mean time, I hope you are using finasteride or minoxidil to help keep what you have.

You did not mention it, but I assume you did not suffer from tension type headaches before your strip surgery.  Tension type headaches are typically related to stress, muscle tightness, lack of sleep and depression-- just to name a few.  Hair transplant can occasionally cause exacerbation of h...