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 [...]

Q Do Rogaine and Propecia work synergistically? A: They are synergistic, since the mechanisms of action are different. Rogaine directly stimulates hair growth, while Propecia is permissive for hair growth by blocking DHT, the byproduct of testosterone that causes hair to miniaturize and eventually disappear. The important thing to remember, however, is that for most [...]

Q: It is my understanding that as a person loses his or her hair, the skin of the scalp undergoes a number of changes, namely there is a loss of fat, an increase in cellular atrophy, and of course the dreaded perifollicular fibrosis (now that’s a mouthful). It seems to me that these changes, in [...]

Q: I recently turned 22 and have been on Propecia for about 2.5 years. The amount of hair that de-miniaturized with daily 1 mg peaked about a year ago and I have seen steady thinning since. I feel that I am too young for a hair transplant. My question is whether or not an increase [...]

Q: I am 19 years old and seem to be thinning all over, including the sides. My father has all of his hair but my grandfather is totally bald. Should I have a hair transplant now or wait until I am older? A: Most likely you have a type of androgenetic alopecia called Diffuse Unpatterned [...]