When the skin barrier is weakened, it can lead to increased sensitivity, dryness, and a higher risk of infection. Understanding the importance of a healthy skin barrier is crucial for maintaining overall skin health. The skin barrier, also known as the stratum corneum, is the outermost layer of the skin that acts as a protective shield. It is composed of dead skin cells, lipids, and proteins, which work together to prevent the entry of harmful substances and pathogens. One of the primary factors that can compromise the skin barrier is overuse of exfoliation. Exfoliation is a common skincare practice that involves removing dead skin cells from the surface of the skin.

Sunscreen application should be thorough, covering all exposed skin areas, including often-neglected spots like the ears, back of the neck, and tops of the feet. This comprehensive coverage ensures no part of the skin is left vulnerable to UV damage. The 2-3 finger rule is a practical method for applying sunscreen evenly. This technique involves using two or three fingers to spread the sunscreen across the skin, ensuring a uniform layer. It’s particularly useful for hard-to-reach areas and for maintaining consistency in application.

Katie Rodan, incorporating products with ceramides, hyaluronic acid, and niacinamide, and applying sunscreen daily, individuals can significantly improve their skin’s health and resilience. Hydration is a cornerstone of skin health, as it helps maintain the skin’s moisture balance and elasticity.