New developments in regenerative medicine, presented at the 18th Annual Scientific Meeting of the International Society for Hair Restoration (ISHRS) this past week, may have opened the possibility that a patient’s hair can be multiplied in his own scalp.

ACell, Inc., a company based in Columbia, Maryland, has developed and refined an Extracellular Matrix (ECM), a natural biological material that can be implanted at the site of an injury or damaged tissue in order to stimulate a unique healing response. The ECM stimulates the body’s own cells to form new tissue specific to that site (a process referred to as “Auto-cloning”).

The ACell MatriStem devices have had some preliminary success in allowing plucked hairs that were placed into recipient sites on the patient’s scalp to grow. Although this is a major breakthrough, significant work remains in order for hair multiplication to become a practical treatment for hair loss in men and women.

It is also anticipated that the regenerative properties of Extracellular Matrix will facilitate the healing of the incision in the donor area after a hair transplant. We are currently offering ACell to all patients undergoing follicular unit transplant procedures at no additional charge.

We are currently studying the use of ACell for scalp hair multiplication as well as the facilitation of wound healing in follicular unit transplantation procedures. We are also treating select patients outside the studies. If you are interested in participating, please give us a call.

Q: If I had a body hair transplant to my scalp and then took Propecia to prevent further hair loss, could finasteride thin out the transplanted hair?

A: In theory, yes!

You may be interested in a somewhat related question about the effects of finasteride on body hair. Read more posts on body hair.

Q: I am a 34 year old male and my dermatologist prescribed Propecia for me today. Most of my hair loss is at the hairline, but there is some loss on top as well. It’s not bad, I just want to stay ahead of it. If I get a transplant I want to get it at your clinic, but I will give the Propecia a try first. I am going to be overseas for a couple of months starting this Sunday and I was wondering about the necessity or desirability of having someone measure my hair density prior to starting the Propecia. Would you advise waiting to start the Propecia until I come back in two months and having my density examined at your clinic?

A: I would start Propecia as soon as possible. What is important for a hair transplant is the density in the donor area and this is not affected by Propecia (or minoxidil). Your donor density can be measured anytime at an evaluation prior to surgery. If you want to wait to see the effects of Propecia prior to the hair transplant, you really should wait a year; since growth, if any, can take this long. If you just want to have Propecia on board for the hair restoration procedure, or to make sure you don’t have side effects, then generally a month will do. If you would like to do a photo consult through our website to get some preliminary information about how many grafts you might need, you can do that at your leisure, but start Propecia now since the longer you wait the less effective it will be at regrowing hair.

Q: I have been taking one tablet of Propecia daily for the past 5 years, with good results, until may of this year. At that point I started to experience some hair loss and so you recommended that I switch from Propecia to generic finasteride and increase the dose to 1/2 of a 5 mg pill per day. I started taking the 1/2 tablet of finasteride daily one month ago, and for the past 2 weeks I have seen a lot of hair in the bathtub and on the towel after taking a shower. I have not made any other changes in my diet or my shampoo, and I do not have any conditions on my scalp. Please advise me on what needs to be done.

A: Just continue the medication at the higher dose. Either the finasteride hasn’t started working yet or you are getting temporary shedding from the medication (which means that it is working).