Photo: The secrets of youthful skin are being revealed (Image: Laurence Mouton/Photo Alto/Jupiter)From New Scientist:
GENETIC analyses of human skin are revealing more about what makes us look old. As well as throwing up ways to smooth away wrinkles, the studies may provide a quantifiable way to test claims made for skin products.
In the past, cosmetics companies relied on subjective assessments of skin appearance, and changes in its thickness, colour and protein composition, to evaluate the effectiveness of their products and work out the quantities of ingredients needed to get the best results. "It was totally hit and miss," says Rosemary Osborne of Procter and Gamble in Cincinnati, Ohio.
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