Dr. João Mário Leiria Meréje Leal

Dr João Mário Leal is a dermatologist who performs hair transplants in Porto Alegre and Santa Cruz do Sul, Rio Grande do Sul, Brazil 1. His site says (in Portuguese) that he trained in medicine at the Federal University of Rio Grande do Sul (UFRGS) 2. It says he did his dermatology residency at the Hospital de Clínicas de Porto Alegre 2. It says his practice is focused on surgical dermatology, especially hair transplants 2. No graduation year is given 2.

He offers FUE hair transplants, beard and eyebrow transplants, and transplants into scars 1. The site says follicular units are removed one by one with a circular blade less than 1 mm wide 3. It says beard hair can be used as a donor source for extensive bald areas when needed 3. Single-hair grafts go to the hairline and two- or three-hair grafts to areas that need more density 4. Surgery is usually done under local anaesthesia, sometimes with intravenous sedation 4. A blog post on the site, published in February 2026, says new hair usually starts to grow three to four months after surgery 4. It says the final result is usually reached at about one year 4.

The site publishes no prices 1.

The site says every patient has a medical assessment before any surgery, and that clinical treatment is often enough 2. In Porto Alegre he operates at Instituto Alme, Rua Indianápolis 120 1. He also sees patients at Rua Thomaz Flores 463, Santa Cruz do Sul 5.

He is listed as an aspiring member (Membro aspirante), the junior tier, of the ABCRC, the Brazilian association of hair restoration surgery 6. His site describes him as a full member ("Titular") of the Brazilian Society of Dermatology (SBD) and of the ABCRC 2. It gives his licence as CRM/RS 47782, with dermatology specialist registration RQE 46034 1.