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Follica, a US-based medical device company, is developing a novel approach that consists in generating completely new hair follicles in wounds of hair-free skin. This technique was licensed from the University of Pennsylvania. It is claimed that translating the research into a treatment for humans involves only devices and drugs that are already available on the market. A doctor would first use a microdermabrasion tool or a laser to remove the top layers of the skin as is already commonly done in a number of cosmetic procedures. He would then inject drugs that cause the cells to grow either hair or skin, depending on the drug injected. Because the components of the system are already approved, the regulatory path is thought to be relatively straightforward and Follica should go ahead with human studies within a few months. Read more about one of the most promising future hair loss treatments.