Insulin treated patients with diabetes (type 1 or 2), and physicians involved in the treatment, management of diabetes and care of patients with diabetes.
It takes approximately six to eight weeks to grow enough hair for a fade or basic man's haircut after you shave your head. If you wish to grow your hair out longer, it will take an additional month for each 1/2 inch of growth.
Not many men can grow a full-face beard at 15, but most--definitely not all-- can by 18 or 19. It's also pretty common for full-face beard to not be possible till early 20's. 8 people found this useful.