John Cena Talks About His Post-Transplant "Alien Head"

Cena underwent the procedure in November 2024 with Atlanta-based surgeon Dr. Ken Anderson of Anderson Center for Hair, and in a recent interview with TMZ Sports, he broke down what recovery actually looked like. "It is a surgery. First 14 days are the most important, can't get [the surgical site] wet, it's an open wound," he explained. "Your head swells, [then] the swelling comes down, your skull looks different for a little bit." True to form, Cena powered through — flying to Budapest for a film shoot shortly after and wandering Christmas markets with what he described as "an alien head."

Cena's 14-day rule isn't arbitrary — it's rooted in graft biology. During a modern hair transplant (typically FUE, or follicular unit extraction), individual follicular units are harvested from a donor area at the back of the scalp and implanted into thinning recipient sites. For roughly the first 10 to 14 days, those newly placed grafts are still anchoring themselves to the scalp's blood supply. Disturbing them through friction, water pressure, or picking at the scabs can dislodge follicles before they've taken hold, potentially compromising the final result.

The dramatic swelling Cena described — sometimes called post-operative edema — is also entirely normal. It's caused by the saline tumescent solution injected during surgery to create space for the grafts. The fluid typically migrates downward over the forehead and around the eyes over several days before fully resolving within about a week.

Cena says he's committed to protecting the investment with vitamins, red light therapy, a dedicated scalp routine, and Minoxidil. This combination reflects current best practices in post-transplant care. Minoxidil is an FDA-approved topical vasodilator shown to prolong the hair growth phase, while low-level laser (red light) therapy has clinical data supporting its role in stimulating follicular activity. These treatments don't just protect the transplanted grafts — they help preserve surrounding native hair, which continues thinning on its own genetic timeline even after surgery.

Cena told PEOPLE that "seven or eight out of 10 [men] suffer from thinning or baldness" — a figure broadly consistent with research showing roughly half of men experience androgenetic alopecia by age 50, with rates climbing significantly in later decades. His willingness to discuss the procedure openly continues to chip away at the stigma and reflects a broader shift among male celebrities choosing transparency over secrecy.