Oral Minoxidil; Safe Dose

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Oral Minoxidil; Safe Dose

Introduction

Minoxidil; Oral Use vs. Topical Use:

There are two types of minoxidil. They are a tablet and a solution. Which one is more appropriate to be used for hair growth treatment?
The answer is a minoxidil solution. Minoxidil should be used as a topical solution in principle.

Oral intake of a minoxidil tablet for the treatment of hair loss is off-label usage and it is not authorized.
Off-label usage means that the use of oral minoxidil for the treatment of hair loss has not been officially approved.

Off-label usage of minoxidil tablets is not illegal, but usage of oral minoxidil for hair regrowth doesn’t have data to support the safety.
It can be said that oral minoxidil has potential risks of health and it cannot be recommended.

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Kuniyoshi YAGYU, MD

General Manager, Ginza HS Clinic (current position) | Director, Ginza HS Clinic (current position) | Graduated from the University of Tokyo, Medical School.
Doctor of Medicine.

The 24th President of the International Society of Hair Restoration Surgery (ISHRS), a Board of Governors of the Asian Association of Hair Restoration Surgeons (AAHRS), a Fellow of the ISHRS, and a Diplomate of the American Board of Hair Restoration Surgery (ABHRS).

He has received many awards for his outstanding achievements in hair transplantation, including “Research Award” and “Special Achievement Award” from the ISHRS, “Mediterranean Award”, “Tiberio Award” and “Caesar Award” from the Italian Society for Hair Science and Restoration, and “Hirayama Award” from the Japan Society of Clinical Hair Restoration.

He is a certified registered physician of the Japan Surgical Society, an Honorary Fellow of cardiovascular surgery of the Japanese Association for Thoracic Surgery, a Fellow of the Japanese Circulation Society, and a Fellow of the Japanese Respiratory Society.

He served as a director of cardiovascular surgery at the Japanese Red Cross Medical Center, and an Assistant Professor at the University of Tokyo, Medical School. He studied at the Hannover Medical School in the Federal Republic of Germany on a scholarship by the Alexander von Humboldt Foundation.

Kuniyoshi Yagyu, MD, FISHRS. He served as the President of the International Society of Hair Restoration Surgery from 2015 to 2016. He is a board member of the Asian Association of Hair Restoration Surgeons. He is a Diplomate of the American Board of Hair Restoration Surgery and a Winner of the ISHRS Research Award in 2010, and ISHRS Poster Award in 2014. He has authored more than 53 research and clinical publications in books and journals. He had been specialized in cardiac surgery for 22 years. He has been practicing hair transplantation for about 20 years in Tokyo, Japan.