Parabens are common chemical preservatives found in everything from food to shampoo. They have been used by cosmetic and pharmaceutical companies for many years and are considered safe. In recent years some research has suggested parabens disrupt hormones in people and the environment, and they have been found in cancer tumours. Many consumers now choose to buy paraben-free products. We’ve written more about Parabens and SYLK being paraben-free on our blog.