Skin layer grown from human stem cells could replace animals in drug, cosmetics testing

The first lab-grown epidermis -- the outermost skin layer -- with a functional permeability barrier akin to real skin has been developed by scientists. The new epidermis, grown from human pluripotent stem cells, offers a cost-effective alternative lab model for testing drugs and cosmetics, and could also help to develop new therapies for rare and common skin disorders.

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