Yes,there is a chance that your hair follicules come back, but no because you are using proceed, they will come back, because this is a natural phenomenon.
This product that you are using,called proceed,there is no medical evidence that this really works.
Some products, that can be effective for hair growth are:
Minoxidil ,Rogaine ,is a vasodilatator, that increases the scalp blood circulation, increasing the hair growth.
Finasteride,Propecia,decreases the production of DHEA, that is an important factor that produces hair loss. This medication comes in pills.
or Anthralin, available as cream or ointment,this is applied and washed off everyday ,on your scalp. This product stimulates new hair growth.