PFAS in Cosmetics: Why ‘Forever Chemicals’ Show Up in Mascara and Foundation

PFAS (per- and polyfluoroalkyl substances) appear in roughly half of tested cosmetics, especially waterproof/long-lasting formulas like mascara (82%), foundations (63%), and liquid lipsticks (62%). Brands add them intentionally for water resistance, spreadability, and durability – but these persistent “forever chemicals” bioaccumulate and may pose health risks.

Squalane in Skincare: Shark Liver, Sugarcane and the Truth About This Lightweight Oil

Squalane mimics human sebum perfectly – lightweight, non-comedogenic, and rapidly absorbed without greasy residue. Originally extracted from shark livers (high squalene content), modern production uses sugarcane fermentation or olives. The stable, hydrogenated form (squalane) revolutionized facial oils by delivering deep hydration without oxidation or pore-clogging.