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.