How Pollution Damages Your Skin Barrier (And the Best Skincare Routine to Protect It in the USA) Introduction Air pollution is no longer just a respiratory concern — it has become one of the most underestimated causes of premature skin aging, dullness, and chronic skin barrier damage. In urban areas across the USA, especially in … Continue reading How Pollution Damages Your Skin Barrier (And the Best Skincare Routine to Protect It in the USA)