Everything is 'contaminated' with trace levels of something that could be considered 'toxic' at some very high exposure level. But it is the dose that makes the poison
Protecting water-based cosmetics from microbes that can cause rashes or infections has traditionally been the job of synthetic preservatives. But owing to a combination of toxicity concerns and consumer pressure, some cosmetics makers are eschewing specific preservative molecules such as formaldehyde or parabens or avoiding synthetics entirely reports Marc Reisch. (1)
