We don't know much about this study yet.We're trying to become the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study.
Growing human skin cells in a 3D environment can stimulate new hair growth.
Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.