The official World Record Attempt was undertaken by Dr Mark Tam at Harley Street Private Practice Limited in 13th June 2026 in London, United Kingdom. Dr Mark Tam, acting as the sole operating doctor, personally carried out all extraction, incision and implantation to successfully transplant 5,137 follicular unit grafts in a single day using a 0.75 mm FUE punch with manual technique. Verified by World Record Certification, the achievement is officially confirmed as “Most Hair Grafts Transplanted Using a 0.75 mm Follicular Unit Extraction (FUE) Technique.”