Hydroxyethylmethacrylate (HEMA) and Di-HEMA Trimethylhexyl Dicarbamate (Di-HEMA TMHDC) are two colorless viscous liquids that readily polymerize when exposed to UV-light. Because of their physical properties, these monomers are typically used in nail enhancement products. The skin sensitization potential of these cosmetic ingredients raised concerns since 2016. The restriction of HEMA and Di-HEMA TMHDC to professional […]