Q: Dr. Bernstein, I was reading about a densitometer on your website. What is it and what is it actually used for? A: The hair densitometer was introduced to hair restoration surgeons by Dr. Rassman in 1993. It is a small, portable, instrument that has a magnifying lens and an opening of 10mm2. To use [...]

Here is one exchange from the interview:

Moderator: How one can tell the difference between hair loss from hormonal imbalances and common baldness?

Dr. Bernstein: Measuring hormone levels alone, although important for medical management, does not necessarily reveal whether the cause of the hair loss is actually hormone related or is genetic. The diagnosis is made by examining the scalp and looking at the hair under close magnification using an instrument called a “Densitometer.”

Cosmetic Surgery Times features Dr. Bernstein’s presentation to the 55th annual meeting of the American Academy of Dermatology in their April 1997 issue. The article describes Dr. Bernstein’s introduction of the concept of Follicular Unit Transplantation to the academy as well as the keys to making the technique successful.