New Delhi, Dec. 21 -- The skin barrier is the outermost layer of the skin-its first line of defence against bacteria, viruses and environmental stressors. It also plays a critical role in retaining moisture, keeping the skin supple and resilient.

This barrier can be compromised by a range of factors: harsh skincare products containing sulfates or alcohol, excessive exfoliation, prolonged exposure to UV rays and pollution, extreme temperatures, and the overuse of active ingredients such as retinol and vitamin C. Stress, poor sleep and an imbalanced diet can further weaken it.

While the market is flooded with chemical-based products that promise to repair and protect the skin barrier, aggressive formulations can sometimes aggravate sensit...