Lately, there has been a trend in one-size-fits-all policies by federal and state policymakers to ban, restrict, or regulate entire chemical families. Reviews and regulations should take into account the significant differences among the many compounds that are part of a chemical family. Rather than using a one-size-fits-all approach, we need a fact-based discussion about the nature of these substances, how they differ from each other and what they do affect – and what they don’t – in terms of human health and the environment.