In recent years, skincare routines have become increasingly complex. Multi-step regimens, layered active ingredients, and frequent exfoliation are often promoted as essential for healthy skin. However, dermatology research increasingly shows the opposite can be true. Many people experience improved skin health when they simplify routines and stop over-treating their skin. Even in urban environments like Glasgow, where pollution, cold weather, and indoor heating already challenge skin balance, excessive treatment can create more problems than solutions.Understanding the Skin BarrierThe outermost layer of the skin acts as a protective barrier. It prevents moisture loss and protects against environmental irritants, bacteria, and pollutants.…