Vellus Hair

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After Hair Transplant Does Hair Grow in Stages?

May 30th, 2007

Q: I had my first hair transplant of 1100 grafts five months ago. The hair has been growing in well and I am very satisfied with the progress, but the new growth appears to occur in different cycles. Some of the hair never fell out and started growing within weeks. At around three months, a [...]

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Hair Loss Causes: What is Miniaturization and What is Effect of DHT on Hairs?

May 8th, 2007

Q: I have read that in the evaluation of a patient for hair restoration surgery some doctors use a densitometer to measure miniaturization – the decrease in size of hair diameters. I read that miniaturization is a sign of genetic hair loss, but when there is miniaturization of greater than 20% in the donor area, [...]

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Why Should Hair Transplant Doctor Measure Miniaturization in Donor Area Before Transplant?

November 17th, 2006

Q: Why should a doctor measure miniaturization in the donor area before recommending a hair transplant?
A: Normally, the donor area contains hairs of very uniform diameter (called terminal hairs). In androgenetic hair loss, the action of DHT causes some of these terminal hairs to decrease in diameter and in length until they eventually disappear (a [...]

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What is Difference in Hair Cloning Techniques Studied by Aderans and Intercytex?

November 10th, 2006

Q: I know that both Aderans and Intercytex are doing research with cloning hair. Is there any difference in their approaches?
A: Aderans is using the “two-cell” approach. They feel that the best way to produce viable hair follicles is to use a combination of inducer cells and responder cells. Each would be multiplied separately and [...]

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Follicular Hair Transplantation Makes Splash After Bernstein Presentation to American Academy of Dermatology

April 14th, 1997

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.

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