If not, don't worry about it - they do have had one of the longest safety records as preservatives! If you are concerned about the health safety of parabens, then feel free to avoid them by looking out for the Paraben-Free icon. There's still a lot of support for avoiding parabens following the better safe than sorry route. However, the majority of the scientific community have deemed these findings non-conclusive due to the limitations of these studies. There has been some healthy controversy surrounding them due to a few studies finding paraben presence in breast tumours and breast tissue. Parabens are a large group of preservatives which are used to prevent bacteria growing in cosmetic formulations.