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Bernstein Medical - Center for Hair Restoration
Hair Restoration Answers

Will Taking Propecia Improve Donor Area Density Enough To Allow Hair Transplant?

Q: Is it recommended to wait for 1 year after starting Propecia, when the effect of the medication kicks in and improves density of donor area, and then perform the surgery? — Z.B., Bergen County, New Jersey

A: Propecia will not affect the donor area, as this area is generally not impacted by the miniaturizing (thinning) effects of DHT –- the hormone that Propecia blocks. The purpose of waiting the year is to possibly regrow hair in the recipient area. If regrowth is significant, a hair transplant may not be necessary. If a person’s hair loss is extensive and there is little chance that Propecia will grow a significant amount of hair back to give a satisfactory improvement, then waiting the year is unnecessary.

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