Q: I have been using Rogaine and Propecia, but recently purchased a bottle of Nioxin Cleanser/Shampoo. However, I am reluctant to apply it because I have noticed that the Nioxin website recommends against mixing Nioxin products with Rogaine products. Do you think that it is safe or advisable to use the Nixon shampoo? Is there any indication that this product is even effective? Any advice?

A: Nioxin has no active ingredients that can grow hair. There is an increased incidence of scalp irritation when used with Rogaine – i.e., the likely reason for their warning. I would stick with the medications that are proven to work, i.e. finasteride and minoxidil.

Q: I have a question about one of the products referenced under the Camouflage section of your website. As you suggested, I have begun to use DermMatch as an alternative to a hair transplant as I have diffuse thinning and been told that hair restoration is not an option right now. I have been very [...]

Q: Are camouflage agents harmful to newly transplanted follicles after a hair transplant? A: Cosmetic camouflage products are not harmful to grafts per se, but they may make it difficult to keep the transplanted area clean right after the hair restoration procedure. They may be used safely as early as one week following a hair [...]