Since 1999, Weneos (ex-HelioScreen) has been a laboratory dedicated to In Vitro evaluation of solar products. We provide an environment allowing the sun protection assessment of sunscreens in total reliability. Weneos, the pionner in In Vitro sunscreen testing Weneos forms one of the leader independent groups of institutes for research, development, testing and analysis in the world. For more than 15 years, we have provided state-of-the-art scientific expertise, innovation and nothing less than perfection for the industry as well as trade and consumer organizations in the field of suncare testing.