Procedure: Fills in balding areas with a patient’s own hair using a variety of techniques including scalp reduction, tissue expansion, strip grafts, scalp flaps, or clusters of punch grafts. Works best on men with male pattern baldness after hair loss has stopped. 
Length: 1 to 3 hours. Some techniques may require multiple procedures over 18 months or more. 
Anesthesia: Usually local with sedation. Flaps and tissue expansion may be done with general anesthesia. 
In/Outpatient: Usually outpatient. 
Side Effects: Temporary achy, tight scalp. Unnatural look in early stages. 
Risks: Unnatural look. Infection. Excessive scarring. Failure to “take.��? Loss of scalp tissue and/or transplanted hair. 
Recovery: 2 to 5 days: Back to work
                 2 to 3 weeks: More strenuous activities 
Duration of  Results: Permanent.