Toxic chemicals found in these TOP makeup brands! Why’s this allowed?! Scientists tested 231 make-up products and found that over half were contaminated with toxic forever chemicals (PFAS). Long-lasting and waterproof makeup was the worst – with 82% of waterproof mascaras, 62% of liquid lipsticks and 63% of foundations found to be contaminated. Brands tested included popular brands that you likely have in your makeup bag including; L’Oreal, Ulta, Clinique, Maybelline, Smashbox, Nars, Estee Laude