A laboratory technician, right, uses a desktop computer as anti-aging facial skincare testing is carried out on a VISIA-CR Facial Imaging Booth, manufactured by Canfield Imaging Systems, in the innovation-center for cosmetic ingredients at the Evonik Industries AG laboratory in Essen, Germany, on Tuesday, June 10, 2014. Evonik's controlling shareholder, RAG-Stiftung, may sell a 2.2 percent stake in the German chemical maker through an issue of exchangeable bonds to raise funds for investment. Photographer: Martin Leissl/Bloomberg via Getty Images
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