As the federal government weighs whether to regulate so-called forever chemicals as toxic, CBC's Marketplace tested popular makeup brands for these chemicals and found measurable levels in three of four brands. Début du widget Widget. Fin du widget Widget. Based on these results, Marketplace sent makeup products flagged as potentially containing PFAS to Amy Rand, an assistant professor at Carleton University in Ottawa for in-depth testing. The five makeup products that were found to have PFAS in Marketplace's testing are:Quo StayPut Eyeshadow in lavender field.