Your surgeon may recommend finasteride (Propecia) or minoxidil (Regaine) after your hair transplant. This recommendation isn't just upselling — there's a genuine medical rationale. But the decision involves trade-offs worth understanding.
Why Native Hair Continues to Fall After a Transplant
Transplanted donor hair is DHT-resistant and permanent. But non-transplanted native hairs in your scalp continue their natural genetic loss pattern.
For many patients, areas surrounding the transplanted zone continue to thin over time — potentially creating an unnatural appearance where transplanted hair islands become increasingly isolated.
What Finasteride Does
Finasteride (1mg daily) blocks the enzyme converting testosterone to DHT — the hormone primarily responsible for male pattern baldness.
Clinical studies show it halts progression in approximately 83% of men and leads to some regrowth in about 66%. It's the most evidence-backed medical treatment for maintaining hair after a transplant. Side effects occur in a minority of users and typically reverse upon stopping.
What Minoxidil Does
Minoxidil (topical or oral low-dose) extends the hair growth phase and improves blood supply to follicles. Less effective than finasteride for preventing loss, but with no systemic side effects.
Many patients use both in combination. Oral minoxidil is an increasingly popular alternative to topical application.
The Honest Verdict
For most patients transplanted before their hair loss has fully stabilized, some form of maintenance therapy makes sense to protect the investment.
The decision should involve a conversation with your surgeon about your specific loss pattern, age, and the extent of your transplant. Clinics that never mention maintenance therapy are doing their patients a disservice.