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Membrane in a minute: Singapore scientists produce in-vitro human skin

A piece of skin about the size of your thumbnail can be printed in less than a minute, scientists in Singapore say, a game-changing step for the future of non-animal testing for cosmetics and other products. Made up of skin cells from donors and collagen, the in-vitro skin has the same chemical and biological properties as human skin, says John Koh, lab manager at start-up DeNova Sciences, which is collaborating with Singapore's Nanyang Technological University on the product.