A cure for baldness may be a 3D drop away, thanks to research at Durham University in England. Scientists have grown dermal papilla cells, which form hair follicles, in a culture system of nutrients hanging in a thick drop, then injected the cells into normally hairless neonatal foreskin that was grafted to mice, resulting in the formation of new hair follicles. "The dermal papilla cells act as a collective group and restoring that collectivity in 3D helps bring these properties back," said Colin Jahoda, one of the study's authors.

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