FERRARA UNIVERSITY All organic cosmetic products undergo substantial clinical researches and tests for their effectiveness, safety and skin compatibility. The researches are being carried out by independent experts in dermatology and allergology. The tests are being conducted only on people who personally volunteered for this. Tests on people prove real effectiveness and safety. The effectiveness of Natura Siberica cosmetic products, certified as ECO BIO cosmetics by ICEA, has been proved by dermatological tests in the lab of Ferrara university in Italy (www.consorzioferrararicerche.it).