Mesotherapy combined with Hair transplant?

This is a known entity and almost certainly was there prior to your hair transplants were done

A few studies have shown that Minoxidil applied to the grafts can potentially help initiate early graft growth. That being said, your grafts should still grow even if you choose not to apply Minoxidil to the graft zone (assuming good surgical technique and that you followed all postoperative ins...

The hair transplant without fat injections should be enough provided there is not inflammation in the scar tissue. Your doctor can determine this.  You may require a 2nd transplant to get the density of hair that you wish.