Does everyday makeup and foundation contain hidden PFAS forever chemicals?

What's actually in it

Cosmetics like foundation, concealer, mascara, and lip products sometimes contain PFAS to make them smoother, longer-lasting, or water-resistant. PFAS (per- and polyfluoroalkyl substances) give makeup a silky feel and help it spread evenly. But these are the same "forever chemicals" found in nonstick pans and stain-resistant fabrics.

The problem is that PFAS aren't always listed on ingredient labels. Some are added intentionally, while others show up as contaminants from manufacturing. Either way, your skin absorbs them. Lip products are especially concerning because you swallow small amounts every time you eat or drink.

What the research says

A 2026 study in Environ Pollut used both targeted and nontargeted chemical analysis, combined with machine learning, to identify PFAS in cosmetic products. The researchers found PFAS compounds in many products, including some that weren't expected to contain them based on ingredient labels.

The nontargeted approach is key. Traditional testing only looks for a handful of known PFAS. But this study cast a wider net and found additional PFAS compounds that standard tests would miss. The researchers assessed the health risks and flagged several products as concerning.

Your skin is not a perfect barrier. Studies show that certain PFAS compounds can penetrate the skin and enter the bloodstream within hours of application. For someone applying makeup daily, that's a constant, low-level exposure to chemicals that never leave the body.

To reduce PFAS exposure from cosmetics, look for brands that have been independently tested as PFAS-free. Avoid products labeled as "long-wear" or "waterproof" unless you can verify they don't use fluorinated ingredients. Simpler formulations with fewer ingredients tend to be safer.