A novel water‐in‐oil emulsion with a lecithin‐modified bentonite prevents skin damage from urban dust and cedar pollen

摘要

Particulate matter (PM), such as air pollutants and pollens, are known to cause skin ageing through skin inflammation. It is important to develop formulations which protect the skin from PM. We previously developed a conventional water‐in‐oil emulsion with a synthetic surfactant, distearyldimonium chloride, modified bentonite (C‐W/O), which protects skin from allergens. In the present study, we developed a novel water‐in‐oil emulsion with a natural surfactant, lecithin, modified bentonite (N‐W/O).